diff --git a/.gitignore b/.gitignore
index 56f96ff..c0a0a3f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -192,4 +192,5 @@ FakesAssemblies/
 # LightSwitch generated files
 GeneratedArtifacts/
 _Pvt_Extensions/
-ModelManifest.xml
\ No newline at end of file
+ModelManifest.xml
+.vs/
\ No newline at end of file
diff --git a/UCloudSDK.NetCore2/Helpers/FileHelper.cs b/UCloudSDK.NetCore2/Helpers/FileHelper.cs
new file mode 100644
index 0000000..1901630
--- /dev/null
+++ b/UCloudSDK.NetCore2/Helpers/FileHelper.cs
@@ -0,0 +1,121 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace UCloudSDK
+{
+    /// <summary>
+    /// 文件帮助类
+    /// </summary>
+    public static class FileHelper
+    {
+        /// <summary>
+        /// 分块长度 4*1024*1024
+        /// </summary>
+        public const int BlockSize = 4194304;
+
+        /// <summary>
+        /// 获取文件Etag.
+        /// </summary>
+        /// <param name="filePath">文件路径.</param>
+        /// <returns>ETag</returns>
+        public static string GetEtag(this string filePath)
+        {
+            if (!File.Exists(filePath))
+            {
+                throw new Exception(string.Format("文件{0}不存在", filePath));
+            }
+
+            var length = GetFileLength(filePath);
+
+            int blkcnt = (int)Math.Ceiling((double)length / (double)BlockSize);
+
+            var buffer = BitConverter.GetBytes(blkcnt);
+
+            if (length < BlockSize)
+            {
+                var fileBytes = File.ReadAllBytes(filePath);
+                var data = buffer.Concat(fileBytes.GetSha1());
+
+                return data.ToUrlSafeBase64();
+            }
+            else
+            {
+                byte[] sha1 = new byte[0];
+                using (var fs = File.OpenRead(filePath))
+                {
+                    for (int i = 0; i < blkcnt; i++)
+                    {
+                        var len = BlockSize;
+                        if (length - BlockSize * i < len)
+                        {
+                            len = (int)(length - BlockSize * i);
+                        }
+                        var temp = new byte[len];
+                        int n = fs.Read(temp, 0, len);
+                        if (n == 0) break;
+                        sha1 = sha1.Concat(temp.GetSha1());
+                    }
+                }
+                var data = buffer.Concat(sha1.GetSha1());
+                return data.ToUrlSafeBase64();
+            }
+        }
+
+
+        /// <summary>
+        /// 获取sha1 byte[].
+        /// </summary>
+        /// <param name="bytes">The bytes.</param>
+        /// <returns>SHA1 byte[]</returns>
+        public static byte[] GetSha1(this byte[] bytes)
+        {
+            using (SHA1Managed sha1 = new SHA1Managed())
+            {
+                return sha1.ComputeHash(bytes);
+            }
+        }
+
+        /// <summary>
+        /// 获取Url Safe的BASE64编码.
+        /// </summary>
+        /// <param name="bytes">The bytes.</param>
+        /// <returns>BASE64编码</returns>
+        public static string ToUrlSafeBase64(this byte[] bytes)
+        {
+            return Convert.ToBase64String(bytes).TrimEnd('=').Replace('+', '-').Replace('/', '_');
+        }
+
+        /// <summary>
+        /// 把两个byte[]合并为一个.
+        /// </summary>
+        /// <param name="bytes">byte[].</param>
+        /// <param name="add">byte[].</param>
+        /// <returns>byte[]</returns>
+        public static byte[] Concat(this byte[] bytes, byte[] add)
+        {
+            if (bytes.Length == 0)
+            {
+                return add;
+            }
+            var buffer = new byte[bytes.Length + add.Length];
+            Array.Copy(bytes, 0, buffer, 0, bytes.Length);
+            Array.Copy(add, 0, buffer, bytes.Length, add.Length);
+            return buffer;
+        }
+
+        /// <summary>
+        /// 获取文件大小.
+        /// </summary>
+        /// <param name="filePath">文件路径.</param>
+        /// <returns>文件大小</returns>
+        public static long GetFileLength(this string filePath)
+        {
+            FileInfo fileInfo = new FileInfo(filePath);
+            return fileInfo.Length;
+        }
+    }
+}
diff --git a/UCloudSDK.NetCore2/Helpers/MimeHelper.cs b/UCloudSDK.NetCore2/Helpers/MimeHelper.cs
new file mode 100644
index 0000000..8004ba3
--- /dev/null
+++ b/UCloudSDK.NetCore2/Helpers/MimeHelper.cs
@@ -0,0 +1,608 @@
+using System;
+using System.Collections.Generic;
+
+namespace UCloudSDK
+{
+    /// <summary>
+    ///     MIME帮助类
+    /// </summary>
+    public static class MimeHelper
+    {
+        /// <summary>
+        ///     MIME字典
+        /// </summary>
+        public static readonly IDictionary<string, string> MimeTypeMap =
+            new Dictionary<string, string>(StringComparer.InvariantCultureIgnoreCase)
+            {
+                #region Big freaking list of mime types
+
+                // combination of values from Windows 7 Registry and 
+                // from C:\Windows\System32\inetsrv\config\applicationHost.config
+                // some added, including .7z and .dat
+                {".323", "text/h323"},
+                {".3g2", "video/3gpp2"},
+                {".3gp", "video/3gpp"},
+                {".3gp2", "video/3gpp2"},
+                {".3gpp", "video/3gpp"},
+                {".7z", "application/x-7z-compressed"},
+                {".aa", "audio/audible"},
+                {".AAC", "audio/aac"},
+                {".aaf", "application/octet-stream"},
+                {".aax", "audio/vnd.audible.aax"},
+                {".ac3", "audio/ac3"},
+                {".aca", "application/octet-stream"},
+                {".accda", "application/msaccess.addin"},
+                {".accdb", "application/msaccess"},
+                {".accdc", "application/msaccess.cab"},
+                {".accde", "application/msaccess"},
+                {".accdr", "application/msaccess.runtime"},
+                {".accdt", "application/msaccess"},
+                {".accdw", "application/msaccess.webapplication"},
+                {".accft", "application/msaccess.ftemplate"},
+                {".acx", "application/internet-property-stream"},
+                {".AddIn", "text/xml"},
+                {".ade", "application/msaccess"},
+                {".adobebridge", "application/x-bridge-url"},
+                {".adp", "application/msaccess"},
+                {".ADT", "audio/vnd.dlna.adts"},
+                {".ADTS", "audio/aac"},
+                {".afm", "application/octet-stream"},
+                {".ai", "application/postscript"},
+                {".aif", "audio/x-aiff"},
+                {".aifc", "audio/aiff"},
+                {".aiff", "audio/aiff"},
+                {".air", "application/vnd.adobe.air-application-installer-package+zip"},
+                {".amc", "application/x-mpeg"},
+                {".application", "application/x-ms-application"},
+                {".art", "image/x-jg"},
+                {".asa", "application/xml"},
+                {".asax", "application/xml"},
+                {".ascx", "application/xml"},
+                {".asd", "application/octet-stream"},
+                {".asf", "video/x-ms-asf"},
+                {".ashx", "application/xml"},
+                {".asi", "application/octet-stream"},
+                {".asm", "text/plain"},
+                {".asmx", "application/xml"},
+                {".aspx", "application/xml"},
+                {".asr", "video/x-ms-asf"},
+                {".asx", "video/x-ms-asf"},
+                {".atom", "application/atom+xml"},
+                {".au", "audio/basic"},
+                {".avi", "video/x-msvideo"},
+                {".axs", "application/olescript"},
+                {".bas", "text/plain"},
+                {".bcpio", "application/x-bcpio"},
+                {".bin", "application/octet-stream"},
+                {".bmp", "image/bmp"},
+                {".c", "text/plain"},
+                {".cab", "application/octet-stream"},
+                {".caf", "audio/x-caf"},
+                {".calx", "application/vnd.ms-office.calx"},
+                {".cat", "application/vnd.ms-pki.seccat"},
+                {".cc", "text/plain"},
+                {".cd", "text/plain"},
+                {".cdda", "audio/aiff"},
+                {".cdf", "application/x-cdf"},
+                {".cer", "application/x-x509-ca-cert"},
+                {".chm", "application/octet-stream"},
+                {".class", "application/x-java-applet"},
+                {".clp", "application/x-msclip"},
+                {".cmx", "image/x-cmx"},
+                {".cnf", "text/plain"},
+                {".cod", "image/cis-cod"},
+                {".config", "application/xml"},
+                {".contact", "text/x-ms-contact"},
+                {".coverage", "application/xml"},
+                {".cpio", "application/x-cpio"},
+                {".cpp", "text/plain"},
+                {".crd", "application/x-mscardfile"},
+                {".crl", "application/pkix-crl"},
+                {".crt", "application/x-x509-ca-cert"},
+                {".cs", "text/plain"},
+                {".csdproj", "text/plain"},
+                {".csh", "application/x-csh"},
+                {".csproj", "text/plain"},
+                {".css", "text/css"},
+                {".csv", "text/csv"},
+                {".cur", "application/octet-stream"},
+                {".cxx", "text/plain"},
+                {".dat", "application/octet-stream"},
+                {".datasource", "application/xml"},
+                {".dbproj", "text/plain"},
+                {".dcr", "application/x-director"},
+                {".def", "text/plain"},
+                {".deploy", "application/octet-stream"},
+                {".der", "application/x-x509-ca-cert"},
+                {".dgml", "application/xml"},
+                {".dib", "image/bmp"},
+                {".dif", "video/x-dv"},
+                {".dir", "application/x-director"},
+                {".disco", "text/xml"},
+                {".dll", "application/x-msdownload"},
+                {".dll.config", "text/xml"},
+                {".dlm", "text/dlm"},
+                {".doc", "application/msword"},
+                {".docm", "application/vnd.ms-word.document.macroEnabled.12"},
+                {".docx", "application/vnd.openxmlformats-officedocument.wordprocessingml.document"},
+                {".dot", "application/msword"},
+                {".dotm", "application/vnd.ms-word.template.macroEnabled.12"},
+                {".dotx", "application/vnd.openxmlformats-officedocument.wordprocessingml.template"},
+                {".dsp", "application/octet-stream"},
+                {".dsw", "text/plain"},
+                {".dtd", "text/xml"},
+                {".dtsConfig", "text/xml"},
+                {".dv", "video/x-dv"},
+                {".dvi", "application/x-dvi"},
+                {".dwf", "drawing/x-dwf"},
+                {".dwp", "application/octet-stream"},
+                {".dxr", "application/x-director"},
+                {".eml", "message/rfc822"},
+                {".emz", "application/octet-stream"},
+                {".eot", "application/octet-stream"},
+                {".eps", "application/postscript"},
+                {".etl", "application/etl"},
+                {".etx", "text/x-setext"},
+                {".evy", "application/envoy"},
+                {".exe", "application/octet-stream"},
+                {".exe.config", "text/xml"},
+                {".fdf", "application/vnd.fdf"},
+                {".fif", "application/fractals"},
+                {".filters", "Application/xml"},
+                {".fla", "application/octet-stream"},
+                {".flr", "x-world/x-vrml"},
+                {".flv", "video/x-flv"},
+                {".fsscript", "application/fsharp-script"},
+                {".fsx", "application/fsharp-script"},
+                {".generictest", "application/xml"},
+                {".gif", "image/gif"},
+                {".group", "text/x-ms-group"},
+                {".gsm", "audio/x-gsm"},
+                {".gtar", "application/x-gtar"},
+                {".gz", "application/x-gzip"},
+                {".h", "text/plain"},
+                {".hdf", "application/x-hdf"},
+                {".hdml", "text/x-hdml"},
+                {".hhc", "application/x-oleobject"},
+                {".hhk", "application/octet-stream"},
+                {".hhp", "application/octet-stream"},
+                {".hlp", "application/winhlp"},
+                {".hpp", "text/plain"},
+                {".hqx", "application/mac-binhex40"},
+                {".hta", "application/hta"},
+                {".htc", "text/x-component"},
+                {".htm", "text/html"},
+                {".html", "text/html"},
+                {".htt", "text/webviewhtml"},
+                {".hxa", "application/xml"},
+                {".hxc", "application/xml"},
+                {".hxd", "application/octet-stream"},
+                {".hxe", "application/xml"},
+                {".hxf", "application/xml"},
+                {".hxh", "application/octet-stream"},
+                {".hxi", "application/octet-stream"},
+                {".hxk", "application/xml"},
+                {".hxq", "application/octet-stream"},
+                {".hxr", "application/octet-stream"},
+                {".hxs", "application/octet-stream"},
+                {".hxt", "text/html"},
+                {".hxv", "application/xml"},
+                {".hxw", "application/octet-stream"},
+                {".hxx", "text/plain"},
+                {".i", "text/plain"},
+                {".ico", "image/x-icon"},
+                {".ics", "application/octet-stream"},
+                {".idl", "text/plain"},
+                {".ief", "image/ief"},
+                {".iii", "application/x-iphone"},
+                {".inc", "text/plain"},
+                {".inf", "application/octet-stream"},
+                {".inl", "text/plain"},
+                {".ins", "application/x-internet-signup"},
+                {".ipa", "application/x-itunes-ipa"},
+                {".ipg", "application/x-itunes-ipg"},
+                {".ipproj", "text/plain"},
+                {".ipsw", "application/x-itunes-ipsw"},
+                {".iqy", "text/x-ms-iqy"},
+                {".isp", "application/x-internet-signup"},
+                {".ite", "application/x-itunes-ite"},
+                {".itlp", "application/x-itunes-itlp"},
+                {".itms", "application/x-itunes-itms"},
+                {".itpc", "application/x-itunes-itpc"},
+                {".IVF", "video/x-ivf"},
+                {".jar", "application/java-archive"},
+                {".java", "application/octet-stream"},
+                {".jck", "application/liquidmotion"},
+                {".jcz", "application/liquidmotion"},
+                {".jfif", "image/pjpeg"},
+                {".jnlp", "application/x-java-jnlp-file"},
+                {".jpb", "application/octet-stream"},
+                {".jpe", "image/jpeg"},
+                {".jpeg", "image/jpeg"},
+                {".jpg", "image/jpeg"},
+                {".js", "application/x-javascript"},
+                {".json", "application/json"},
+                {".jsx", "text/jscript"},
+                {".jsxbin", "text/plain"},
+                {".latex", "application/x-latex"},
+                {".library-ms", "application/windows-library+xml"},
+                {".lit", "application/x-ms-reader"},
+                {".loadtest", "application/xml"},
+                {".lpk", "application/octet-stream"},
+                {".lsf", "video/x-la-asf"},
+                {".lst", "text/plain"},
+                {".lsx", "video/x-la-asf"},
+                {".lzh", "application/octet-stream"},
+                {".m13", "application/x-msmediaview"},
+                {".m14", "application/x-msmediaview"},
+                {".m1v", "video/mpeg"},
+                {".m2t", "video/vnd.dlna.mpeg-tts"},
+                {".m2ts", "video/vnd.dlna.mpeg-tts"},
+                {".m2v", "video/mpeg"},
+                {".m3u", "audio/x-mpegurl"},
+                {".m3u8", "audio/x-mpegurl"},
+                {".m4a", "audio/m4a"},
+                {".m4b", "audio/m4b"},
+                {".m4p", "audio/m4p"},
+                {".m4r", "audio/x-m4r"},
+                {".m4v", "video/x-m4v"},
+                {".mac", "image/x-macpaint"},
+                {".mak", "text/plain"},
+                {".man", "application/x-troff-man"},
+                {".manifest", "application/x-ms-manifest"},
+                {".map", "text/plain"},
+                {".master", "application/xml"},
+                {".mda", "application/msaccess"},
+                {".mdb", "application/x-msaccess"},
+                {".mde", "application/msaccess"},
+                {".mdp", "application/octet-stream"},
+                {".me", "application/x-troff-me"},
+                {".mfp", "application/x-shockwave-flash"},
+                {".mht", "message/rfc822"},
+                {".mhtml", "message/rfc822"},
+                {".mid", "audio/mid"},
+                {".midi", "audio/mid"},
+                {".mix", "application/octet-stream"},
+                {".mk", "text/plain"},
+                {".mmf", "application/x-smaf"},
+                {".mno", "text/xml"},
+                {".mny", "application/x-msmoney"},
+                {".mod", "video/mpeg"},
+                {".mov", "video/quicktime"},
+                {".movie", "video/x-sgi-movie"},
+                {".mp2", "video/mpeg"},
+                {".mp2v", "video/mpeg"},
+                {".mp3", "audio/mpeg"},
+                {".mp4", "video/mp4"},
+                {".mp4v", "video/mp4"},
+                {".mpa", "video/mpeg"},
+                {".mpe", "video/mpeg"},
+                {".mpeg", "video/mpeg"},
+                {".mpf", "application/vnd.ms-mediapackage"},
+                {".mpg", "video/mpeg"},
+                {".mpp", "application/vnd.ms-project"},
+                {".mpv2", "video/mpeg"},
+                {".mqv", "video/quicktime"},
+                {".ms", "application/x-troff-ms"},
+                {".msi", "application/octet-stream"},
+                {".mso", "application/octet-stream"},
+                {".mts", "video/vnd.dlna.mpeg-tts"},
+                {".mtx", "application/xml"},
+                {".mvb", "application/x-msmediaview"},
+                {".mvc", "application/x-miva-compiled"},
+                {".mxp", "application/x-mmxp"},
+                {".nc", "application/x-netcdf"},
+                {".nsc", "video/x-ms-asf"},
+                {".nws", "message/rfc822"},
+                {".ocx", "application/octet-stream"},
+                {".oda", "application/oda"},
+                {".odc", "text/x-ms-odc"},
+                {".odh", "text/plain"},
+                {".odl", "text/plain"},
+                {".odp", "application/vnd.oasis.opendocument.presentation"},
+                {".ods", "application/oleobject"},
+                {".odt", "application/vnd.oasis.opendocument.text"},
+                {".one", "application/onenote"},
+                {".onea", "application/onenote"},
+                {".onepkg", "application/onenote"},
+                {".onetmp", "application/onenote"},
+                {".onetoc", "application/onenote"},
+                {".onetoc2", "application/onenote"},
+                {".orderedtest", "application/xml"},
+                {".osdx", "application/opensearchdescription+xml"},
+                {".p10", "application/pkcs10"},
+                {".p12", "application/x-pkcs12"},
+                {".p7b", "application/x-pkcs7-certificates"},
+                {".p7c", "application/pkcs7-mime"},
+                {".p7m", "application/pkcs7-mime"},
+                {".p7r", "application/x-pkcs7-certreqresp"},
+                {".p7s", "application/pkcs7-signature"},
+                {".pbm", "image/x-portable-bitmap"},
+                {".pcast", "application/x-podcast"},
+                {".pct", "image/pict"},
+                {".pcx", "application/octet-stream"},
+                {".pcz", "application/octet-stream"},
+                {".pdf", "application/pdf"},
+                {".pfb", "application/octet-stream"},
+                {".pfm", "application/octet-stream"},
+                {".pfx", "application/x-pkcs12"},
+                {".pgm", "image/x-portable-graymap"},
+                {".pic", "image/pict"},
+                {".pict", "image/pict"},
+                {".pkgdef", "text/plain"},
+                {".pkgundef", "text/plain"},
+                {".pko", "application/vnd.ms-pki.pko"},
+                {".pls", "audio/scpls"},
+                {".pma", "application/x-perfmon"},
+                {".pmc", "application/x-perfmon"},
+                {".pml", "application/x-perfmon"},
+                {".pmr", "application/x-perfmon"},
+                {".pmw", "application/x-perfmon"},
+                {".png", "image/png"},
+                {".pnm", "image/x-portable-anymap"},
+                {".pnt", "image/x-macpaint"},
+                {".pntg", "image/x-macpaint"},
+                {".pnz", "image/png"},
+                {".pot", "application/vnd.ms-powerpoint"},
+                {".potm", "application/vnd.ms-powerpoint.template.macroEnabled.12"},
+                {".potx", "application/vnd.openxmlformats-officedocument.presentationml.template"},
+                {".ppa", "application/vnd.ms-powerpoint"},
+                {".ppam", "application/vnd.ms-powerpoint.addin.macroEnabled.12"},
+                {".ppm", "image/x-portable-pixmap"},
+                {".pps", "application/vnd.ms-powerpoint"},
+                {".ppsm", "application/vnd.ms-powerpoint.slideshow.macroEnabled.12"},
+                {".ppsx", "application/vnd.openxmlformats-officedocument.presentationml.slideshow"},
+                {".ppt", "application/vnd.ms-powerpoint"},
+                {".pptm", "application/vnd.ms-powerpoint.presentation.macroEnabled.12"},
+                {".pptx", "application/vnd.openxmlformats-officedocument.presentationml.presentation"},
+                {".prf", "application/pics-rules"},
+                {".prm", "application/octet-stream"},
+                {".prx", "application/octet-stream"},
+                {".ps", "application/postscript"},
+                {".psc1", "application/PowerShell"},
+                {".psd", "application/octet-stream"},
+                {".psess", "application/xml"},
+                {".psm", "application/octet-stream"},
+                {".psp", "application/octet-stream"},
+                {".pub", "application/x-mspublisher"},
+                {".pwz", "application/vnd.ms-powerpoint"},
+                {".qht", "text/x-html-insertion"},
+                {".qhtm", "text/x-html-insertion"},
+                {".qt", "video/quicktime"},
+                {".qti", "image/x-quicktime"},
+                {".qtif", "image/x-quicktime"},
+                {".qtl", "application/x-quicktimeplayer"},
+                {".qxd", "application/octet-stream"},
+                {".ra", "audio/x-pn-realaudio"},
+                {".ram", "audio/x-pn-realaudio"},
+                {".rar", "application/octet-stream"},
+                {".ras", "image/x-cmu-raster"},
+                {".rat", "application/rat-file"},
+                {".rc", "text/plain"},
+                {".rc2", "text/plain"},
+                {".rct", "text/plain"},
+                {".rdlc", "application/xml"},
+                {".resx", "application/xml"},
+                {".rf", "image/vnd.rn-realflash"},
+                {".rgb", "image/x-rgb"},
+                {".rgs", "text/plain"},
+                {".rm", "application/vnd.rn-realmedia"},
+                {".rmi", "audio/mid"},
+                {".rmp", "application/vnd.rn-rn_music_package"},
+                {".roff", "application/x-troff"},
+                {".rpm", "audio/x-pn-realaudio-plugin"},
+                {".rqy", "text/x-ms-rqy"},
+                {".rtf", "application/rtf"},
+                {".rtx", "text/richtext"},
+                {".ruleset", "application/xml"},
+                {".s", "text/plain"},
+                {".safariextz", "application/x-safari-safariextz"},
+                {".scd", "application/x-msschedule"},
+                {".sct", "text/scriptlet"},
+                {".sd2", "audio/x-sd2"},
+                {".sdp", "application/sdp"},
+                {".sea", "application/octet-stream"},
+                {".searchConnector-ms", "application/windows-search-connector+xml"},
+                {".setpay", "application/set-payment-initiation"},
+                {".setreg", "application/set-registration-initiation"},
+                {".settings", "application/xml"},
+                {".sgimb", "application/x-sgimb"},
+                {".sgml", "text/sgml"},
+                {".sh", "application/x-sh"},
+                {".shar", "application/x-shar"},
+                {".shtml", "text/html"},
+                {".sit", "application/x-stuffit"},
+                {".sitemap", "application/xml"},
+                {".skin", "application/xml"},
+                {".sldm", "application/vnd.ms-powerpoint.slide.macroEnabled.12"},
+                {".sldx", "application/vnd.openxmlformats-officedocument.presentationml.slide"},
+                {".slk", "application/vnd.ms-excel"},
+                {".sln", "text/plain"},
+                {".slupkg-ms", "application/x-ms-license"},
+                {".smd", "audio/x-smd"},
+                {".smi", "application/octet-stream"},
+                {".smx", "audio/x-smd"},
+                {".smz", "audio/x-smd"},
+                {".snd", "audio/basic"},
+                {".snippet", "application/xml"},
+                {".snp", "application/octet-stream"},
+                {".sol", "text/plain"},
+                {".sor", "text/plain"},
+                {".spc", "application/x-pkcs7-certificates"},
+                {".spl", "application/futuresplash"},
+                {".src", "application/x-wais-source"},
+                {".srf", "text/plain"},
+                {".SSISDeploymentManifest", "text/xml"},
+                {".ssm", "application/streamingmedia"},
+                {".sst", "application/vnd.ms-pki.certstore"},
+                {".stl", "application/vnd.ms-pki.stl"},
+                {".sv4cpio", "application/x-sv4cpio"},
+                {".sv4crc", "application/x-sv4crc"},
+                {".svc", "application/xml"},
+                {".swf", "application/x-shockwave-flash"},
+                {".t", "application/x-troff"},
+                {".tar", "application/x-tar"},
+                {".tcl", "application/x-tcl"},
+                {".testrunconfig", "application/xml"},
+                {".testsettings", "application/xml"},
+                {".tex", "application/x-tex"},
+                {".texi", "application/x-texinfo"},
+                {".texinfo", "application/x-texinfo"},
+                {".tgz", "application/x-compressed"},
+                {".thmx", "application/vnd.ms-officetheme"},
+                {".thn", "application/octet-stream"},
+                {".tif", "image/tiff"},
+                {".tiff", "image/tiff"},
+                {".tlh", "text/plain"},
+                {".tli", "text/plain"},
+                {".toc", "application/octet-stream"},
+                {".tr", "application/x-troff"},
+                {".trm", "application/x-msterminal"},
+                {".trx", "application/xml"},
+                {".ts", "video/vnd.dlna.mpeg-tts"},
+                {".tsv", "text/tab-separated-values"},
+                {".ttf", "application/octet-stream"},
+                {".tts", "video/vnd.dlna.mpeg-tts"},
+                {".txt", "text/plain"},
+                {".u32", "application/octet-stream"},
+                {".uls", "text/iuls"},
+                {".user", "text/plain"},
+                {".ustar", "application/x-ustar"},
+                {".vb", "text/plain"},
+                {".vbdproj", "text/plain"},
+                {".vbk", "video/mpeg"},
+                {".vbproj", "text/plain"},
+                {".vbs", "text/vbscript"},
+                {".vcf", "text/x-vcard"},
+                {".vcproj", "Application/xml"},
+                {".vcs", "text/plain"},
+                {".vcxproj", "Application/xml"},
+                {".vddproj", "text/plain"},
+                {".vdp", "text/plain"},
+                {".vdproj", "text/plain"},
+                {".vdx", "application/vnd.ms-visio.viewer"},
+                {".vml", "text/xml"},
+                {".vscontent", "application/xml"},
+                {".vsct", "text/xml"},
+                {".vsd", "application/vnd.visio"},
+                {".vsi", "application/ms-vsi"},
+                {".vsix", "application/vsix"},
+                {".vsixlangpack", "text/xml"},
+                {".vsixmanifest", "text/xml"},
+                {".vsmdi", "application/xml"},
+                {".vspscc", "text/plain"},
+                {".vss", "application/vnd.visio"},
+                {".vsscc", "text/plain"},
+                {".vssettings", "text/xml"},
+                {".vssscc", "text/plain"},
+                {".vst", "application/vnd.visio"},
+                {".vstemplate", "text/xml"},
+                {".vsto", "application/x-ms-vsto"},
+                {".vsw", "application/vnd.visio"},
+                {".vsx", "application/vnd.visio"},
+                {".vtx", "application/vnd.visio"},
+                {".wav", "audio/wav"},
+                {".wave", "audio/wav"},
+                {".wax", "audio/x-ms-wax"},
+                {".wbk", "application/msword"},
+                {".wbmp", "image/vnd.wap.wbmp"},
+                {".wcm", "application/vnd.ms-works"},
+                {".wdb", "application/vnd.ms-works"},
+                {".wdp", "image/vnd.ms-photo"},
+                {".webarchive", "application/x-safari-webarchive"},
+                {".webtest", "application/xml"},
+                {".wiq", "application/xml"},
+                {".wiz", "application/msword"},
+                {".wks", "application/vnd.ms-works"},
+                {".WLMP", "application/wlmoviemaker"},
+                {".wlpginstall", "application/x-wlpg-detect"},
+                {".wlpginstall3", "application/x-wlpg3-detect"},
+                {".wm", "video/x-ms-wm"},
+                {".wma", "audio/x-ms-wma"},
+                {".wmd", "application/x-ms-wmd"},
+                {".wmf", "application/x-msmetafile"},
+                {".wml", "text/vnd.wap.wml"},
+                {".wmlc", "application/vnd.wap.wmlc"},
+                {".wmls", "text/vnd.wap.wmlscript"},
+                {".wmlsc", "application/vnd.wap.wmlscriptc"},
+                {".wmp", "video/x-ms-wmp"},
+                {".wmv", "video/x-ms-wmv"},
+                {".wmx", "video/x-ms-wmx"},
+                {".wmz", "application/x-ms-wmz"},
+                {".wpl", "application/vnd.ms-wpl"},
+                {".wps", "application/vnd.ms-works"},
+                {".wri", "application/x-mswrite"},
+                {".wrl", "x-world/x-vrml"},
+                {".wrz", "x-world/x-vrml"},
+                {".wsc", "text/scriptlet"},
+                {".wsdl", "text/xml"},
+                {".wvx", "video/x-ms-wvx"},
+                {".x", "application/directx"},
+                {".xaf", "x-world/x-vrml"},
+                {".xaml", "application/xaml+xml"},
+                {".xap", "application/x-silverlight-app"},
+                {".xbap", "application/x-ms-xbap"},
+                {".xbm", "image/x-xbitmap"},
+                {".xdr", "text/plain"},
+                {".xht", "application/xhtml+xml"},
+                {".xhtml", "application/xhtml+xml"},
+                {".xla", "application/vnd.ms-excel"},
+                {".xlam", "application/vnd.ms-excel.addin.macroEnabled.12"},
+                {".xlc", "application/vnd.ms-excel"},
+                {".xld", "application/vnd.ms-excel"},
+                {".xlk", "application/vnd.ms-excel"},
+                {".xll", "application/vnd.ms-excel"},
+                {".xlm", "application/vnd.ms-excel"},
+                {".xls", "application/vnd.ms-excel"},
+                {".xlsb", "application/vnd.ms-excel.sheet.binary.macroEnabled.12"},
+                {".xlsm", "application/vnd.ms-excel.sheet.macroEnabled.12"},
+                {".xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"},
+                {".xlt", "application/vnd.ms-excel"},
+                {".xltm", "application/vnd.ms-excel.template.macroEnabled.12"},
+                {".xltx", "application/vnd.openxmlformats-officedocument.spreadsheetml.template"},
+                {".xlw", "application/vnd.ms-excel"},
+                {".xml", "text/xml"},
+                {".xmta", "application/xml"},
+                {".xof", "x-world/x-vrml"},
+                {".XOML", "text/plain"},
+                {".xpm", "image/x-xpixmap"},
+                {".xps", "application/vnd.ms-xpsdocument"},
+                {".xrm-ms", "text/xml"},
+                {".xsc", "application/xml"},
+                {".xsd", "text/xml"},
+                {".xsf", "text/xml"},
+                {".xsl", "text/xml"},
+                {".xslt", "text/xml"},
+                {".xsn", "application/octet-stream"},
+                {".xss", "application/xml"},
+                {".xtp", "application/octet-stream"},
+                {".xwd", "image/x-xwindowdump"},
+                {".z", "application/x-compress"},
+                {".zip", "application/x-zip-compressed"}
+                #endregion
+            };
+
+        /// <summary>
+        ///     获取文件MIME类型.
+        /// </summary>
+        /// <param name="extension">文件扩展名.</param>
+        /// <returns>文件MIME类型</returns>
+        /// <exception cref="System.ArgumentNullException">extension</exception>
+        public static string GetType(string extension)
+        {
+            if (extension == null)
+            {
+                throw new ArgumentNullException("extension");
+            }
+
+            if (!extension.StartsWith("."))
+            {
+                extension = "." + extension;
+            }
+
+            string mime;
+
+            return MimeTypeMap.TryGetValue(extension, out mime) ? mime : "application/octet-stream";
+        }
+    }
+}
\ No newline at end of file
diff --git a/UCloudSDK.NetCore2/Helpers/RestSharpHelper.cs b/UCloudSDK.NetCore2/Helpers/RestSharpHelper.cs
new file mode 100644
index 0000000..8cda441
--- /dev/null
+++ b/UCloudSDK.NetCore2/Helpers/RestSharpHelper.cs
@@ -0,0 +1,153 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using RestSharp;
+
+namespace UCloudSDK
+{
+    /// <summary>
+    /// RRestSharp扩展方法
+    /// </summary>
+    public static class RestSharpHelper
+    {
+        /// <summary>
+        /// 获取Header值.
+        /// </summary>
+        /// <param name="parameters">参数.</param>
+        /// <param name="key">Header名称.</param>
+        /// <returns>Header值</returns>
+        public static string GetHeader(this IList<Parameter> parameters, string key)
+        {
+            var param = parameters.FirstOrDefault(p => p.Type == ParameterType.HttpHeader && p.Name == key);
+            return param != null ? param.Value.ToString() : string.Empty;
+        }
+
+        /// <summary>
+        /// 生成标准化UCloud Header.
+        /// </summary>
+        /// <param name="parameters">参数.</param>
+        /// <returns>CanonicalizedUCloudHeaders</returns>
+        public static string CanonicalizedUCloudHeaders(this List<Parameter> parameters)
+        {
+            var header = parameters.Where(p => p.Type == ParameterType.HttpHeader);
+
+            string canoncializedUCloudHeaders = string.Empty;
+
+            var headerMap = new SortedDictionary<string, string>();
+
+            foreach (var param in header.Where(p => p.Name.ToLower().StartsWith("x-ucloud-")))
+            {
+                string headerKey = param.Name;
+
+                headerKey = headerKey.ToLower();
+                if (headerMap.ContainsKey(headerKey))
+                {
+                    headerMap[headerKey] += @",";
+                    headerMap[headerKey] += param.Value;
+                }
+                else
+                {
+                    headerMap.Add(headerKey, param.Value.ToString());
+                }
+            }
+
+            foreach (var item in headerMap)
+            {
+                canoncializedUCloudHeaders += (item.Key + @":" + item.Value + @"\n");
+            }
+            return canoncializedUCloudHeaders;
+        }
+
+        /// <summary>
+        /// 添加Ucloud对象.
+        /// </summary>
+        /// <param name="request">The request.</param>
+        /// <param name="obj">The object.</param>
+        /// <returns>IRestRequest对象</returns>
+        public static IRestRequest AddUObject(this IRestRequest request, object obj)
+        {
+            request.AddUObject(obj, new string[] { });
+            return request;
+        }
+
+        /// <summary>
+        /// 添加Ucloud对象.
+        /// </summary>
+        /// <param name="request">The request.</param>
+        /// <param name="obj">The object.</param>
+        /// <param name="includedProperties">The included properties.</param>
+        /// <returns>IRestRequest对象</returns>
+        public static IRestRequest AddUObject(this IRestRequest request, object obj, params string[] includedProperties)
+        {
+            // automatically create parameters from object props
+            var type = obj.GetType();
+            var props = type.GetProperties();
+
+            foreach (var prop in props)
+            {
+                bool isAllowed = includedProperties.Length == 0 ||
+                                 (includedProperties.Length > 0 && includedProperties.Contains(prop.Name));
+
+                if (!isAllowed)
+                    continue;
+
+                var propType = prop.PropertyType;
+                var val = prop.GetValue(obj, null);
+
+                if (val == null)
+                    continue;
+
+                if (propType.IsArray)
+                {
+                    var elementType = propType.GetElementType();
+
+                    if (((Array)val).Length > 0 &&
+                        elementType != null &&
+                        (elementType.IsPrimitive || elementType.IsValueType || elementType == typeof(string)))
+                    {
+                        // convert the array to an array of strings
+                        var values = (from object item in ((Array)val)
+                                      select item.ToString())
+                                     .ToArray<string>();
+
+                        val = string.Join(",", values);
+                    }
+                    else
+                    {
+                        // try to cast it
+                        val = string.Join(",", (string[])val);
+                    }
+                }
+
+                if (propType.IsNlist())
+                {
+                    if (((NList)val).Count > 0)
+                    {
+                        // convert the array to an array of strings
+                        var values = (from object item in ((NList)val)
+                                      select item.ToString())
+                                     .ToList();
+
+                        for (int i = 0; i < values.Count; i++)
+                        {
+                            request.AddParameter(prop.Name + '.' + i, values[i]);
+                        }
+                    }
+                    continue;
+                }
+
+                var propName = prop.Name;
+
+                if (propName.Contains("__"))
+                {
+                    propName = propName.Replace("__", "-");
+                }
+
+                request.AddParameter(propName, val);
+            }
+
+            return request;
+        }
+    }
+}
diff --git a/UCloudSDK.NetCore2/Helpers/StringHelper.cs b/UCloudSDK.NetCore2/Helpers/StringHelper.cs
new file mode 100644
index 0000000..1e0c220
--- /dev/null
+++ b/UCloudSDK.NetCore2/Helpers/StringHelper.cs
@@ -0,0 +1,134 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace UCloudSDK
+{
+    /// <summary>
+    /// string扩展方法
+    /// </summary>
+    public static class StringHelper
+    {
+        /// <summary>
+        /// 获取文件的MD5值.
+        /// </summary>
+        /// <param name="file">文件路径.</param>
+        /// <returns>文件MD5</returns>
+        public static string GetMd5(this string file)
+        {
+            using (var md5 = MD5.Create())
+            {
+                using (var stream = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                {
+                    return BitConverter.ToString(md5.ComputeHash(stream)).Replace("-", String.Empty);
+                }
+            }
+        }
+
+        /// <summary>
+        /// CanonicalizedResource.
+        /// </summary>
+        /// <param name="bucket">Bucket.</param>
+        /// <param name="key">Key.</param>
+        /// <returns>CanonicalizedResource</returns>
+        public static string CanonicalizedResource(string bucket, string key)
+        {
+            return "/" + bucket + "/" + key;
+        }
+
+        /// <summary>
+        /// 获取base64编码.
+        /// </summary>
+        /// <param name="text">字符串.</param>
+        /// <returns>base64值</returns>
+        public static string ToBase64(this string text)
+        {
+            var plainTextBytes = Encoding.UTF8.GetBytes(text);
+            return Convert.ToBase64String(plainTextBytes);
+        }
+
+        /// <summary>
+        /// 获取Url Safe的BASE64编码.
+        /// </summary>
+        /// <param name="text">字符串.</param>
+        /// <returns>
+        /// BASE64编码
+        /// </returns>
+        public static string ToUrlSafeBase64(this string text)
+        {
+            var base64 = text.ToBase64();
+            return base64.TrimEnd('=').Replace('+', '-').Replace('/', '_');
+        }
+
+        /// <summary>
+        /// base64解码.
+        /// </summary>
+        /// <param name="text">BASE64编码字符串.</param>
+        /// <returns>字符串</returns>
+        public static string DecodeBase64(this string text)
+        {
+            var plainTextBytes = Convert.FromBase64String(text);
+            return Encoding.UTF8.GetString(plainTextBytes);
+        }
+
+        /// <summary>
+        /// 将_替换为-.
+        /// </summary>
+        /// <param name="str">字符串.</param>
+        /// <returns>字符串</returns>
+        public static string ToHyphen(this string str)
+        {
+            return str.Replace("_", "-");
+        }
+
+        /// <summary>
+        /// 计算SHA1.
+        /// </summary>
+        /// <param name="str">字符串.</param>
+        /// <returns>签名值</returns>
+        public static string ToSHA1(this string str)
+        {
+            using (SHA1Managed sha1 = new SHA1Managed())
+            {
+                var hash = sha1.ComputeHash(Encoding.UTF8.GetBytes(str));
+                var sb = new StringBuilder(hash.Length * 2);
+
+                foreach (byte b in hash)
+                {
+                    sb.Append(b.ToString("x2"));
+                }
+
+                return sb.ToString();
+            }
+        }
+
+
+        /// <summary>
+        /// 指示指定的字符串是 null、空还是仅由空白字符组成.
+        /// </summary>
+        /// <param name="str">字符串.</param>
+        /// <returns>Bool</returns>
+        public static bool IsNullOrWhiteSpace(this string str)
+        {
+#if NET4
+            return string.IsNullOrWhiteSpace(str);
+#else
+            return String.IsNullOrEmpty(str) || str.Trim().Length == 0;
+#endif
+
+        }
+
+
+        /// <summary>
+        /// 获取文件MIME类型.
+        /// </summary>
+        /// <param name="file">文件路径.</param>
+        /// <returns>文件MIME</returns>
+        public static string GetMimeType(this string file)
+        {
+            return MimeHelper.GetType(Path.GetExtension(file));
+        }
+    }
+}
diff --git a/UCloudSDK.NetCore2/Helpers/TypeHelper.cs b/UCloudSDK.NetCore2/Helpers/TypeHelper.cs
new file mode 100644
index 0000000..20b2cad
--- /dev/null
+++ b/UCloudSDK.NetCore2/Helpers/TypeHelper.cs
@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+
+namespace UCloudSDK
+{
+    /// <summary>
+    /// Type扩展方法
+    /// </summary>
+    public static class TypeHelper
+    {
+        /// <summary>
+        /// 判断是否为NList类型.
+        ///     <para>
+        ///         Params.n
+        ///     </para>
+        /// </summary>
+        /// <param name="type">The type.</param>
+        /// <returns>Bool</returns>
+        public static bool IsNlist(this Type type)
+        {
+            return type == typeof(NList);
+        }
+    }
+
+    /// <summary>
+    /// 自定义类型NList
+    ///     <para>
+    ///     用于Param.n样式的Array
+    ///     </para>
+    /// </summary>
+    public class NList : List<string>
+    {
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/Enums.cs b/UCloudSDK.NetCore2/Models/Enums.cs
new file mode 100644
index 0000000..6035aae
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/Enums.cs
@@ -0,0 +1,672 @@
+using System;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 认证方式
+    /// </summary>
+    public enum LoginMode
+    {
+        /// <summary>
+        /// 密码
+        ///     <para>
+        ///     使用密码时，密码必需进行base64编码
+        ///     <c>string.ToBase64()</c>
+        ///     </para>
+        /// </summary>
+        Password,
+        /// <summary>
+        /// key
+        /// </summary>
+        [Obsolete("暂不支持,请使用Password",true)]
+        KeyPair
+    }
+
+    /// <summary>
+    /// 计费模式，默认为月付
+    /// </summary>
+    public enum UHostChargeType
+    {
+        /// <summary>
+        /// 按年付费
+        /// </summary>
+        Year,
+
+        /// <summary>
+        /// 按月付费
+        /// </summary>
+        Month,
+
+        /// <summary>
+        /// 按需付费（需开启权限）
+        /// </summary>
+        Dynamic,
+
+        /// <summary>
+        /// 试用（需开启权限）
+        /// </summary>
+        Trial
+    }
+
+    /// <summary>
+    /// 数据中心列表
+    ///     <para>
+    ///     使用方法：<c>Region.cn_north_01.ToString().ToHyphen()</c>
+    ///     </para>
+    /// </summary>
+    public enum Region
+    {
+        /// <summary>
+        /// 北京BGP-A
+        ///     <para>
+        ///     Bgp: BGP线路
+        ///     </para>
+        /// </summary>
+        cn_north_01,
+
+        /// <summary>
+        /// 北京BGP-B
+        ///     <para>
+        ///     Bgp: BGP线路
+        ///     </para>
+        /// </summary>
+        cn_north_02,
+
+        /// <summary>
+        /// 北京BGP-C
+        ///     <para>
+        ///     Bgp: BGP线路
+        ///     </para>
+        /// </summary>
+        cn_north_03,
+
+        /// <summary>
+        /// 华东双线
+        ///     <para>
+        ///     Duplet: 双线, Unicom: 网通, Telecom: 电信
+        ///     </para>
+        /// </summary>
+        cn_east_01,
+
+        /// <summary>
+        /// 华南双线
+        ///     <para>
+        ///     Duplet: 双线, Unicom: 网通, Telecom: 电信
+        ///     </para>
+        /// </summary>
+        cn_south_01,
+
+        /// <summary>
+        /// 亚太
+        ///     <para>
+        ///     International: 国际线路
+        ///     </para>
+        /// </summary>
+        hk_01,
+
+        /// <summary>
+        /// 北美
+        ///     <para>
+        ///     International: 国际线路
+        ///     </para>
+        /// </summary>
+        us_west_01
+    }
+
+    /// <summary>
+    /// 镜像类型
+    /// </summary>
+    public enum ImageType
+    {
+        /// <summary>
+        /// 标准镜像
+        /// </summary>
+        Base,
+
+        /// <summary>
+        /// 行业镜像
+        /// </summary>
+        Business,
+
+        /// <summary>
+        /// 自定义镜像
+        /// </summary>
+        Custom
+    }
+
+    /// <summary>
+    /// 操作系统类型
+    /// </summary>
+    public enum OsType
+    {
+        /// <summary>
+        /// The linux
+        /// </summary>
+        Linux,
+        /// <summary>
+        /// The windows
+        /// </summary>
+        Windows
+    }
+
+    /// <summary>
+    /// 弹性IP的线路
+    /// </summary>
+    public enum OperatorName
+    {
+        /// <summary>
+        /// 电信
+        /// </summary>
+        Telecom,
+
+        /// <summary>
+        /// 联通
+        /// </summary>
+        Unicom,
+
+        /// <summary>
+        /// 国际:
+        /// </summary>
+        International,
+
+        /// <summary>
+        /// BGP
+        /// </summary>
+        Bgp,
+
+        /// <summary>
+        /// 双线
+        /// </summary>
+        Duplet
+    }
+
+    /// <summary>
+    /// 弹性IP请求绑定的资源类型
+    /// </summary>
+    public enum ResourceType
+    {
+        /// <summary>
+        /// 云主机
+        /// </summary>
+        uhost,
+
+        /// <summary>
+        /// 虚拟路由器
+        /// </summary>
+        vrouter,
+
+        /// <summary>
+        /// 负载均衡器
+        /// </summary>
+        ulb
+    }
+
+    /// <summary>
+    /// 刷新类型
+    /// </summary>
+    public enum CDNRefreshType
+    {
+        /// <summary>
+        /// 文件刷新
+        /// </summary>
+        file,
+        /// <summary>
+        /// 路径刷新
+        /// </summary>
+        dir
+    }
+
+    /// <summary>
+    /// 网络协议
+    /// </summary>
+    public enum Proto
+    {
+        /// <summary>
+        /// The TCP
+        /// </summary>
+        TCP,
+        /// <summary>
+        /// The UDP
+        /// </summary>
+        UDP,
+        /// <summary>
+        /// The icmp
+        /// </summary>
+        ICMP,
+        /// <summary>
+        /// The gre
+        /// </summary>
+        GRE
+    }
+
+    /// <summary>
+    /// 规则优先级
+    ///     <para>
+    ///     使用方法：<c>((int)Priority.High).ToString()</c>
+    ///     </para>
+    /// </summary>
+    public enum Priority
+    {
+        /// <summary>
+        /// 高
+        /// </summary>
+        High = 50,
+        /// <summary>
+        /// 中
+        /// </summary>
+        Medium = 100,
+        /// <summary>
+        /// 低
+        /// </summary>
+        Low = 150
+    }
+
+    /// <summary>
+    /// VServer实例的协议
+    /// </summary>
+    public enum Protocol
+    {
+        /// <summary>
+        /// The HTTP
+        /// </summary>
+        HTTP,
+        /// <summary>
+        /// The TCP
+        /// </summary>
+        TCP,
+        /// <summary>
+        /// The UDP
+        /// </summary>
+        UDP
+    }
+
+    /// <summary>
+    /// VServer负载均衡模式
+    /// </summary>
+    public enum VServerMethod
+    {
+        /// <summary>
+        /// 轮询
+        ///     <para>
+        ///     默认
+        ///     </para>
+        /// </summary>
+        Roundrobin,
+
+        /// <summary>
+        /// 源地址
+        /// </summary>
+        Source
+    }
+
+    /// <summary>
+    /// VServer会话保持方式
+    /// </summary>
+    public enum PersistenceType
+    {
+        /// <summary>
+        ///  关闭会话保持
+        ///     <para>
+        ///     默认
+        ///     </para>
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// 自动生成； 
+        /// </summary>
+        ServerInsert,
+
+        /// <summary>
+        /// 用户自定义
+        /// </summary>
+        UserDefined
+    }
+
+    /// <summary>
+    /// 后端实例状态开关
+    /// </summary>
+    public enum BackendEnabled
+    {
+        /// <summary>
+        /// 禁用
+        /// </summary>
+        False = 0,
+        /// <summary>
+        /// 启用
+        ///     <para>
+        ///     默认
+        ///     </para>
+        /// </summary>
+        True = 1
+    }
+
+    /// <summary>
+    /// 购买流量的区域
+    /// </summary>
+    public enum Areacode
+    {
+        /// <summary>
+        /// 国内
+        /// </summary>
+        cn,
+
+        /// <summary>
+        /// The abroad海外
+        /// </summary>
+        abroad
+    }
+
+    /// <summary>
+    /// UCDN计费方式
+    /// <para>目前仅支持按流量包计费</para>
+    /// </summary>
+    public enum UcdnChargeType
+    {
+        /// <summary>
+        /// 按流量包计费
+        /// </summary>
+        traffic,
+        /// <summary>
+        /// 按带宽计费
+        /// </summary>
+        bandwidth,
+        /// <summary>
+        /// 流量后付费
+        /// </summary>
+        trafficused
+    }
+
+    /// <summary>
+    /// 加速域名的业务类型
+    /// </summary>
+    public enum CdnType
+    {
+        /// <summary>
+        /// 网站
+        /// </summary>
+        web,
+        /// <summary>
+        /// 视频
+        /// </summary>
+        stream,
+        /// <summary>
+        /// 下载
+        /// </summary>
+        download,
+        /// <summary>
+        /// 直播
+        /// </summary>
+        Live
+    }
+
+    /// <summary>
+    /// 直播类型
+    /// </summary>
+    public enum LiveSrcType
+    {
+        /// <summary>
+        /// The rtmppush
+        /// </summary>
+        rtmppush,
+        /// <summary>
+        /// The rtmppull
+        /// </summary>
+        rtmppull,
+        /// <summary>
+        /// The HLS
+        /// </summary>
+        hls
+    }
+
+    /// <summary>
+    /// 需要获取的内容刷新的状态
+    /// </summary>
+    public enum CacheTaskStatus
+    {
+        /// <summary>
+        /// 成功
+        /// </summary>
+        success,
+
+        /// <summary>
+        /// 等待处理
+        /// </summary>
+        wait,
+
+        /// <summary>
+        /// 正在处理
+        /// </summary>
+        process,
+        /// <summary>
+        /// 失败
+        /// </summary>
+        failure,
+
+        /// <summary>
+        /// 未知
+        /// </summary>
+        unkonw
+    }
+
+    /// <summary>
+    /// 域名状态
+    /// </summary>
+    public enum UcdnDomainStatus
+    {
+        /// <summary>
+        /// 加速中
+        /// </summary>
+        enable,
+        /// <summary>
+        /// 停止加速
+        /// </summary>
+        disable,
+        /// <summary>
+        /// 删除加速
+        /// <para>目前仅支持删除审核失败的域名</para>
+        /// </summary>
+        delete
+    }
+
+    /// <summary>
+    /// 云主机监控指标名称
+    /// </summary>
+    public enum UHostMetric
+    {
+        /// <summary>
+        /// The network in
+        /// </summary>
+        NetworkIn,
+        /// <summary>
+        /// The network out
+        /// </summary>
+        NetworkOut,
+        /// <summary>
+        /// The cpu utilization
+        /// </summary>
+        CPUUtilization,
+        /// <summary>
+        /// The io read
+        /// </summary>
+        IORead,
+        /// <summary>
+        /// The io write
+        /// </summary>
+        IOWrite,
+        /// <summary>
+        /// The disk read ops
+        /// </summary>
+        DiskReadOps,
+        /// <summary>
+        /// The nic in
+        /// </summary>
+        NICIn,
+        /// <summary>
+        /// The nic out
+        /// </summary>
+        NICOut,
+        /// <summary>
+        /// The memory usage
+        /// </summary>
+        MemUsage,
+        /// <summary>
+        /// The data space usage
+        /// </summary>
+        DataSpaceUsage,
+        /// <summary>
+        /// The root space usage
+        /// </summary>
+        RootSpaceUsage,
+        /// <summary>
+        /// The readonly disk count
+        /// </summary>
+        ReadonlyDiskCount,
+        /// <summary>
+        /// The runnable process count
+        /// </summary>
+        RunnableProcessCount,
+        /// <summary>
+        /// The block process count
+        /// </summary>
+        BlockProcessCount
+    }
+
+    /// <summary>
+    /// 云数据库监控指标名称
+    /// </summary>
+    public enum UdbMetric
+    {
+        /// <summary>
+        /// The cpu utilization
+        /// </summary>
+        CPUUtilization,
+        /// <summary>
+        /// The memory usage
+        /// </summary>
+        MemUsage,
+        /// <summary>
+        /// The QPS
+        /// </summary>
+        QPS,
+        /// <summary>
+        /// The expensive query
+        /// </summary>
+        ExpensiveQuery
+    }
+
+    /// <summary>
+    /// 负载均衡监控指标名称
+    /// </summary>
+    public enum UlbMetric
+    {
+        /// <summary>
+        /// The network out
+        /// </summary>
+        NetworkOut,
+        /// <summary>
+        /// The total network out
+        /// </summary>
+        TotalNetworkOut,
+        /// <summary>
+        /// The current connections
+        /// </summary>
+        CurrentConnections
+    }
+
+    /// <summary>
+    /// 云内存存储监控指标名称
+    /// </summary>
+    public enum UmemMetric
+    {
+        /// <summary>
+        /// The usage
+        /// </summary>
+        Usage,
+        /// <summary>
+        /// The QPS
+        /// </summary>
+        QPS,
+        /// <summary>
+        /// The instance count
+        /// </summary>
+        InstanceCount
+    }
+
+    /// <summary>
+    /// 监控数据的资源类型
+    /// </summary>
+    public enum MetricResourceType
+    {
+        /// <summary>
+        /// 云主机
+        /// </summary>
+        uhost,
+
+        /// <summary>
+        /// 云数据库
+        /// </summary>
+        udb,
+
+        /// <summary>
+        /// 负载均衡器
+        /// </summary>
+        ulb,
+
+        /// <summary>
+        /// 云内存存储
+        /// </summary>
+        umem
+    }
+
+    /// <summary>
+    /// 防火墙动作
+    /// </summary>
+    public enum RuleAction
+    {
+        /// <summary>
+        /// 允许通过防火墙
+        /// </summary>
+        ACCEPT,
+        /// <summary>
+        /// 禁止通过防火墙并不给任何返回信息
+        /// </summary>
+        DROP
+    }
+
+    /// <summary>
+    /// 日志类型
+    /// </summary>
+    public enum UDBLogType
+    {
+        /// <summary>
+        /// The error
+        /// </summary>
+        [Obsolete("暂不支持,请使用binlog", true)]
+        error=10,
+        /// <summary>
+        /// The slow
+        /// </summary>
+        [Obsolete("暂不支持,请使用binlog", true)]
+        slow=20,
+        /// <summary>
+        /// The binlog
+        /// </summary>
+        binlog=30
+    }
+
+    /// <summary>
+    /// DB种类
+    /// </summary>
+    public enum UDBClassType
+    {
+        /// <summary>
+        /// The SQL
+        /// </summary>
+        SQL,
+        /// <summary>
+        /// The nosql
+        /// </summary>
+        NOSQL
+    }
+}
\ No newline at end of file
diff --git a/UCloudSDK.NetCore2/Models/SMS/SMSRequest.cs b/UCloudSDK.NetCore2/Models/SMS/SMSRequest.cs
new file mode 100644
index 0000000..d6e7056
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/SMS/SMSRequest.cs
@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 短信发送请求对象
+    /// </summary>
+    public partial class SMSRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "SendSms";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     SendSms
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+
+        /// <summary>
+        /// 号码列表 
+        ///     <para>
+        ///      Phone.n
+        ///     </para>                 
+        /// </summary>
+        public NList Phone { get; set; }
+
+        /// <summary>
+        /// 购买流量的区域 
+        ///     <para>
+        ///      枚举值为:cn: 国内; abroad: 海外
+        ///     </para>                 
+        /// </summary>
+        public string Content { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="SMSRequest" /> 类.
+        /// </summary>
+        /// <param name="phone">号码列表.</param>
+        /// <param name="content">短信内容.</param>
+        public SMSRequest(NList phone, string content)
+        {
+            Phone = phone;
+            Content = content;
+        }
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/SMS/SMSResponse.cs b/UCloudSDK.NetCore2/Models/SMS/SMSResponse.cs
new file mode 100644
index 0000000..28f0a92
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/SMS/SMSResponse.cs
@@ -0,0 +1,9 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 短信发送结果
+    /// </summary>
+    public partial class SMSResponse : UResponse
+    {
+    }
+}
\ No newline at end of file
diff --git a/UCloudSDK.NetCore2/Models/SecurityGroupRule.cs b/UCloudSDK.NetCore2/Models/SecurityGroupRule.cs
new file mode 100644
index 0000000..89d533d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/SecurityGroupRule.cs
@@ -0,0 +1,63 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// UNet防火墙规则
+    /// </summary>
+    public partial class SecurityGroupRule
+    {
+        /// <summary>
+        /// 网络协议 
+        ///     <para>
+        ///     枚举值为：TCP，UDP，ICMP，GRE
+        ///     </para>                 
+        /// </summary>
+        public string Proto { get; set; }
+
+        /// <summary>
+        /// 目标端口 
+        ///     <para>
+        ///     范围：[1-65535]，可指定单个端口（如80），或指定端口段（1-1024）
+        ///     </para>                 
+        /// </summary>
+        public string Dst_port { get; set; }
+
+        /// <summary>
+        /// 源地址 
+        ///     <para>
+        ///     格式为’x.x.x.x/x 或 x.x.x.x’的有效IP地址。
+        ///     </para>                 
+        /// </summary>
+        public string Src_ip { get; set; }
+
+        /// <summary>
+        /// 防火墙动作 
+        ///     <para>
+        ///     枚举值为：ACCEPT：允许通过防火墙；DROP：禁止通过防火墙并不给任何返回信息
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 规则优先级 
+        ///     <para>
+        ///     枚举值为：0（高），50（中），100（低）
+        ///     </para>                 
+        /// </summary>
+        public int Priority { get; set; }
+
+        /// <summary>
+        /// 返回Rule格式化字符串.
+        ///     <para>
+        ///     格式：Proto|Dst_port|Src_ip|Action|Priority
+        ///     </para>
+        /// </summary>
+        /// <returns>
+        /// Proto|Dst_port|Src_ip|Action|Priority.
+        /// </returns>
+        public override string ToString()
+        {
+            return string.Format("{0}|{1}|{2}|{3}|{4}", Proto, Dst_port, Src_ip, Action, Priority);
+        }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/BuyUcdnTrafficRequest.cs b/UCloudSDK.NetCore2/Models/UCDN/BuyUcdnTrafficRequest.cs
new file mode 100644
index 0000000..2f8c21e
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/BuyUcdnTrafficRequest.cs
@@ -0,0 +1,55 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 购买流量
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/buy_ucdn_traffic.html
+    ///     </para>
+    /// </summary>
+    public partial class BuyUcdnTrafficRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "BuyUcdnTraffic";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     BuyUcdnTraffic
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+
+        /// <summary>
+        /// 所购买的流量 
+        ///     <para>
+        ///      单位GB
+        ///     </para>                 
+        /// </summary>
+        public int Traffic { get; set; }
+
+        /// <summary>
+        /// 购买流量的区域 
+        ///     <para>
+        ///      枚举值为:cn: 国内; abroad: 海外
+        ///     </para>                 
+        /// </summary>
+        public string Areacode { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="BuyUcdnTrafficRequest" /> 类.
+        /// </summary>
+        /// <param name="traffic">所购买的流量</param>
+        /// <param name="areacode">购买流量的区域.</param>
+        public BuyUcdnTrafficRequest(int traffic, string areacode)
+        {
+            Traffic = traffic;
+            Areacode = areacode;
+        }
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/BuyUcdnTrafficResponse.cs b/UCloudSDK.NetCore2/Models/UCDN/BuyUcdnTrafficResponse.cs
new file mode 100644
index 0000000..1bce08d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/BuyUcdnTrafficResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 购买流量
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/buy_ucdn_traffic.html
+    ///     </para>
+    /// </summary>
+    public partial class BuyUcdnTrafficResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///      BuyUcdnTrafficResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/CreateUcdnDomainRequest.cs b/UCloudSDK.NetCore2/Models/UCDN/CreateUcdnDomainRequest.cs
new file mode 100644
index 0000000..3e4ce6e
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/CreateUcdnDomainRequest.cs
@@ -0,0 +1,110 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建加速域名
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/create_ucdn_domain.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUcdnDomainRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreateUcdnDomain";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreateUcdnDomain
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 用于加速的域名                
+        /// </summary>
+        public string Domain { get; set; }
+
+        /// <summary>
+        /// 源站IP 
+        ///     <para>
+        ///     即cdn服务器回源访问的IP地址。支持多个源站IP。多个源站IP可以表述为：SourceIps.0=1.1.1.1，SourceIps.1=2.2.2.2（如果CdnType为live，则该字段非必须，否则该字段为必须字段）
+        ///     </para>                 
+        /// </summary>
+        public NList SourceIp { get; set; }
+
+        /// <summary>
+        /// 测试url 
+        ///     <para>
+        ///     用于域名创建加速时的测试。（如果CdnType为live，则该字段非必须，否则该字段为必须字段）
+        ///     </para>                 
+        /// </summary>
+        public string TestUrl { get; set; }
+
+        /// <summary>
+        /// CDN加速区域 
+        ///     <para>
+        ///     目前区域代表有：cn：国内；abroad：国外。可选择多个区域，表述为：Areacodes.0=cn, Areacodes.1=aboard。表示同时使用国内和海外节点
+        ///     </para>                 
+        /// </summary>
+        public NList Areacode { get; set; }
+
+        /// <summary>
+        /// 加速域名的业务类型 
+        ///     <para>
+        ///     web代表网站，stream代表视频，download代表下载，Live代表直播
+        ///     </para>                 
+        /// </summary>
+        public string CdnType { get; set; }
+
+        /// <summary>
+        /// 计费方式 
+        ///     <para>
+        ///     默认使用流量包计费。枚举值为：traffic：按流量包计费；bandwidth：按带宽计费；trafficused：代表流量后付费。（目前仅支持按流量包计费）
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 直播流数 
+        ///     <para>
+        ///     CdnType为live时，该字段为必须字段）
+        ///     </para>                 
+        /// </summary>
+        public int? LiveStreamCount { get; set; }
+
+        /// <summary>
+        /// 直播类型 
+        ///     <para>
+        ///     枚举值为：rtmppush；rtmppull；hls（CdnType为live时，该字段为必须字段）
+        ///     </para>                 
+        /// </summary>
+        public string LiveSrcType { get; set; }
+
+        /// <summary>
+        /// 用于获取流的源URL 
+        ///     <para>
+        ///     （LiveSrcType为rtmppull/hls时，该字段为必须字段）
+        ///     </para>                 
+        /// </summary>
+        public string LifeSrcUrl { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreateUcdnDomainRequest"/> 对象.
+        /// </summary>
+        /// <param name="domain">用于加速的域名.</param>
+        /// <param name="areacodes">CDN加速区域.</param>
+        /// <param name="cdnType">加速域名的业务类型.</param>
+        public CreateUcdnDomainRequest(string domain, NList areacodes, string cdnType)
+        {
+            Domain = domain;
+            Areacode = areacodes;
+            CdnType = cdnType;
+        } 
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/CreateUcdnDomainResponse.cs b/UCloudSDK.NetCore2/Models/UCDN/CreateUcdnDomainResponse.cs
new file mode 100644
index 0000000..13f754f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/CreateUcdnDomainResponse.cs
@@ -0,0 +1,28 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建加速域名
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/create_ucdn_domain.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUcdnDomainResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///      CreateUcdnDomainResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 创建域名对应的域名ID 
+        ///     <para>
+        ///     后续获取域名相关数据的操作均需要使用该ID
+        ///     </para>                 
+        /// </summary>
+        public string DomainId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/DescribePrefetchCacheTask.TaskSet.cs b/UCloudSDK.NetCore2/Models/UCDN/DescribePrefetchCacheTask.TaskSet.cs
new file mode 100644
index 0000000..faa41e3
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/DescribePrefetchCacheTask.TaskSet.cs
@@ -0,0 +1,56 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取域名预取任务状态
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/describe_prefetch_cache_task.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribePrefetchCacheTaskSet
+    {
+        /// <summary>
+        /// 预取域名                
+        /// </summary>
+        public string Domain { get; set; }
+
+        /// <summary>
+        /// 预取任务创建的时间 
+        ///     <para>
+        ///     格式为Unix Timestamp
+        ///     </para>                 
+        /// </summary>
+        public int CreateTime { get; set; }
+
+        /// <summary>
+        /// 任务状态查询时间 
+        ///     <para>
+        ///     成功后不再查询。格式为Unix Timestamp
+        ///     </para>                 
+        /// </summary>
+        public string CheckTime { get; set; }
+
+        /// <summary>
+        /// 预取提交的多条URL                
+        /// </summary>
+        public List<string> UrlLists { get; set; }
+
+        /// <summary>
+        /// 预取任务的当前状态 
+        ///     <para>
+        ///     枚举值：success：成功；wait：等待处理；process：正在处理；failure：失败；unkonw：未知
+        ///     </para>                 
+        /// </summary>
+        public string Status { get; set; }
+
+        /// <summary>
+        /// 预取任务执行的百分比 
+        ///     <para>
+        ///     1代表1%，100代表100%。（大文件下载、点播不支持展示精确进度，只有成功或失败）
+        ///     </para>                 
+        /// </summary>
+        public int Percent { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/DescribePrefetchCacheTaskRequest.cs b/UCloudSDK.NetCore2/Models/UCDN/DescribePrefetchCacheTaskRequest.cs
new file mode 100644
index 0000000..5ca8599
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/DescribePrefetchCacheTaskRequest.cs
@@ -0,0 +1,85 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取域名预取任务状态
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/describe_prefetch_cache_task.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribePrefetchCacheTaskRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribePrefetchCacheTask";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribePrefetchCacheTask
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 域名ID 
+        ///     <para>
+        ///     创建加速域名时生成。
+        ///     </para>                 
+        /// </summary>
+        public string DomainId { get; set; }
+
+        /// <summary>
+        /// 查询的起始时间 
+        ///     <para>
+        ///     格式为Unix Timestamp。如果有EndTime，BeginTime必须赋值。
+        ///     </para>                 
+        /// </summary>
+        public int? BeginTime { get; set; }
+
+        /// <summary>
+        /// 查询的结束时间 
+        ///     <para>
+        ///     格式为Unix Timestamp。EndTime默认为当前时间，BeginTime默认为当前时间前一天时间。
+        ///     </para>                 
+        /// </summary>
+        public int? EndTime { get; set; }
+
+        /// <summary>
+        /// 需要获取的内容刷新的状态 
+        ///     <para>
+        ///     枚举值：success：成功；wait：等待处理；process：正在处理；failure：失败；unkonw：未知，默认选择所有状态
+        ///     </para>                 
+        /// </summary>
+        public string Status { get; set; }
+
+        /// <summary>
+        /// 数据偏移量 
+        ///     <para>
+        ///     默认为0
+        ///     </para>                 
+        /// </summary>
+        public int? Offset { get; set; }
+
+        /// <summary>
+        /// 返回数据的长度 
+        ///     <para>
+        ///     默认20。
+        ///     </para>                 
+        /// </summary>
+        public int? Limit { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribePrefetchCacheTaskRequest"/> 类.
+        /// </summary>
+        /// <param name="domainId">域名ID.</param>
+        public DescribePrefetchCacheTaskRequest(string domainId)
+        {
+            DomainId = domainId;
+        }
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/DescribePrefetchCacheTaskResponse.cs b/UCloudSDK.NetCore2/Models/UCDN/DescribePrefetchCacheTaskResponse.cs
new file mode 100644
index 0000000..b2f058a
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/DescribePrefetchCacheTaskResponse.cs
@@ -0,0 +1,35 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取域名预取任务状态
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/describe_prefetch_cache_task.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribePrefetchCacheTaskResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///      DescribePrefetchCacheTaskResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 返回总条目数                
+        /// </summary>
+        public string TotalCount { get; set; }
+
+        /// <summary>
+        /// 预取任务信息 
+        ///     <para>
+        ///     具体结构见 TaskSet
+        ///     </para>                 
+        /// </summary>
+        public List<DescribePrefetchCacheTaskSet> TaskSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/DescribeRefreshCacheTask.TaskSet.cs b/UCloudSDK.NetCore2/Models/UCDN/DescribeRefreshCacheTask.TaskSet.cs
new file mode 100644
index 0000000..8f2e44b
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/DescribeRefreshCacheTask.TaskSet.cs
@@ -0,0 +1,56 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取域名刷新任务状态
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/describe_refresh_cache_task.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeRefreshCacheTaskSet
+    {
+        /// <summary>
+        /// 刷新域名                
+        /// </summary>
+        public string Domain { get; set; }
+
+        /// <summary>
+        /// 刷新任务创建的时间 
+        ///     <para>
+        ///     格式为Unix Timestamp
+        ///     </para>                 
+        /// </summary>
+        public int CreateTime { get; set; }
+
+        /// <summary>
+        /// 任务状态查询时间 
+        ///     <para>
+        ///     成功后不再查询。格式为Unix Timestamp
+        ///     </para>                 
+        /// </summary>
+        public string CheckTime { get; set; }
+
+        /// <summary>
+        /// 刷新提交的多条URL                
+        /// </summary>
+        public List<string> UrlLists { get; set; }
+
+        /// <summary>
+        /// 刷新任务的当前状态 
+        ///     <para>
+        ///     枚举值：success：成功；wait：等待处理；process：正在处理；failure：失败；unkonw：未知
+        ///     </para>                 
+        /// </summary>
+        public string Status { get; set; }
+
+        /// <summary>
+        /// 刷新任务执行的百分比 
+        ///     <para>
+        ///     1代表1%，100代表100%
+        ///     </para>                 
+        /// </summary>
+        public int Percent { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/DescribeRefreshCacheTaskRequest.cs b/UCloudSDK.NetCore2/Models/UCDN/DescribeRefreshCacheTaskRequest.cs
new file mode 100644
index 0000000..07021dc
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/DescribeRefreshCacheTaskRequest.cs
@@ -0,0 +1,85 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取域名刷新任务状态
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/describe_refresh_cache_task.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeRefreshCacheTaskRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeRefreshCacheTask";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeRefreshCacheTask
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 域名ID 
+        ///     <para>
+        ///     创建加速域名时生成。
+        ///     </para>                 
+        /// </summary>
+        public string DomainId { get; set; }
+
+        /// <summary>
+        /// 查询的起始时间 
+        ///     <para>
+        ///     格式为Unix Timestamp。如果有EndTime，BeginTime必须赋值。
+        ///     </para>                 
+        /// </summary>
+        public int? BeginTime { get; set; }
+
+        /// <summary>
+        /// 查询的结束时间 
+        ///     <para>
+        ///     格式为Unix Timestamp。EndTime默认为当前时间，BeginTime默认为当前时间前一天时间。
+        ///     </para>                 
+        /// </summary>
+        public int? EndTime { get; set; }
+
+        /// <summary>
+        /// 需要获取的内容刷新的状态 
+        ///     <para>
+        ///     枚举值：success：成功；wait：等待处理；process：正在处理；failure：失败；unkonw：未知，默认选择所有状态
+        ///     </para>                 
+        /// </summary>
+        public string Status { get; set; }
+
+        /// <summary>
+        /// 数据偏移量 
+        ///     <para>
+        ///     默认为0
+        ///     </para>                 
+        /// </summary>
+        public int? Offset { get; set; }
+
+        /// <summary>
+        /// 返回数据的长度 
+        ///     <para>
+        ///     默认20。
+        ///     </para>                 
+        /// </summary>
+        public int? Limit { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeRefreshCacheTaskRequest"/> 类.
+        /// </summary>
+        /// <param name="domainId">域名ID.</param>
+        public DescribeRefreshCacheTaskRequest(string domainId)
+        {
+            DomainId = domainId;
+        }
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/DescribeRefreshCacheTaskResponse.cs b/UCloudSDK.NetCore2/Models/UCDN/DescribeRefreshCacheTaskResponse.cs
new file mode 100644
index 0000000..2dcf44c
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/DescribeRefreshCacheTaskResponse.cs
@@ -0,0 +1,35 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取域名刷新任务状态
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/describe_refresh_cache_task.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeRefreshCacheTaskResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///      DescribeRefreshCacheTaskResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 返回总条目数                
+        /// </summary>
+        public string TotalCount { get; set; }
+
+        /// <summary>
+        /// 刷新任务信息 
+        ///     <para>
+        ///     具体结构见 TaskSet
+        ///     </para>                 
+        /// </summary>
+        public List<DescribeRefreshCacheTaskSet> TaskSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/DescribeUcdnDomain.DomainSet.cs b/UCloudSDK.NetCore2/Models/UCDN/DescribeUcdnDomain.DomainSet.cs
new file mode 100644
index 0000000..a2a2bbc
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/DescribeUcdnDomain.DomainSet.cs
@@ -0,0 +1,159 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取加速域名详细信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/describe_ucdn_domain.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUcdnDomainSet
+    {
+        /// <summary>
+        /// 加速域名                
+        /// </summary>
+        public string Domain { get; set; }
+
+        /// <summary>
+        /// 加速域名ID 
+        ///     <para>
+        ///     创建加速域名时生成
+        ///     </para>                 
+        /// </summary>
+        public string DomainId { get; set; }
+
+        /// <summary>
+        /// 源站IP 
+        ///     <para>
+        ///     即cdn服务器回源访问的IP地址。多个IP地址可以表述为：[“1.1.1.1”, “2.2.2.2”]
+        ///     </para>                 
+        /// </summary>
+        public List<string> SourceIp { get; set; }
+
+        /// <summary>
+        /// 加速域名的业务类型 
+        ///     <para>
+        ///     枚举值：web：网站；Stream：视频；download：下载；live：直播
+        ///     </para>                 
+        /// </summary>
+        public string CdnType { get; set; }
+
+        /// <summary>
+        /// 计费方式 
+        ///     <para>
+        ///     枚举值为：traffic：按流量包计费；bandwidth：按带宽付费；trafficused：流量后付费（目前仅支持流量包计费）
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 加速域名的当前状态 
+        ///     <para>
+        ///     check：审核中；checkSuccess：审核通过；checkFaile：审核失败；enable(ing)：(正在)加速中；disable(ing)：(正在)停止加速；delete(ing)：(正在)删除加速
+        ///     </para>                 
+        /// </summary>
+        public string Status { get; set; }
+
+        /// <summary>
+        /// cdn域名 
+        ///     <para>
+        ///     创建加速域名时生成的cdn域名，用于设置CNAME记录
+        ///     </para>                 
+        /// </summary>
+        public string Cname { get; set; }
+
+        /// <summary>
+        /// 域名创建的时间 
+        ///     <para>
+        ///     格式为Unix Timestamp
+        ///     </para>                 
+        /// </summary>
+        public string CreateTime { get; set; }
+
+        /// <summary>
+        /// 开始分配Cname时间 
+        ///     <para>
+        ///     格式为Unix Timestamp
+        ///     </para>                 
+        /// </summary>
+        public string VaildTime { get; set; }
+
+        /// <summary>
+        /// 测试URL 
+        ///     <para>
+        ///     用于测试加速域名
+        ///     </para>                 
+        /// </summary>
+        public string TestUrl { get; set; }
+
+        /// <summary>
+        /// CDN加速区域 
+        ///     <para>
+        ///     cn：国内；abroad：国外。[ “cn”, “abroad” ]表示两者皆启用
+        ///     </para>                 
+        /// </summary>
+        public List<string> Areaode { get; set; }
+
+        /// <summary>
+        /// 缓存文件类型 
+        ///     <para>
+        ///     多个文件表述为: [“zip”, “txt”]
+        ///     </para>                 
+        /// </summary>
+        public List<string> CacheFileType { get; set; }
+
+        /// <summary>
+        /// 需要缓存的文件或者路径 
+        ///     <para>
+        ///     多个文件表述为：[ “http://Domain/*.jpg”, “http://Domain/*.png” ]
+        ///     </para>                 
+        /// </summary>
+        public List<string> CacheUrl { get; set; }
+
+        /// <summary>
+        /// 缓存文件生命周期 
+        ///     <para>
+        ///     单位秒
+        ///     </para>                 
+        /// </summary>
+        public int CacheTtl { get; set; }
+
+        /// <summary>
+        /// 不需要缓存的文件 
+        ///     <para>
+        ///     格式同CacheUrl
+        ///     </para>                 
+        /// </summary>
+        public List<string> NoCacheUrl { get; set; }
+
+        /// <summary>
+        /// 直播流数                
+        /// </summary>
+        public int LiveStreamCount { get; set; }
+
+        /// <summary>
+        /// 直播接入类型 
+        ///     <para>
+        ///     rtmppush/rtmppull/hls
+        ///     </para>                 
+        /// </summary>
+        public string LiveSrcType { get; set; }
+
+        /// <summary>
+        /// 拉去流url                
+        /// </summary>
+        public string LiveSrcUrl { get; set; }
+
+        /// <summary>
+        /// 直播流ID                
+        /// </summary>
+        public string LiveStreamIds { get; set; }
+
+        /// <summary>
+        /// 流程申请失败原因                
+        /// </summary>
+        public string ApplyMessage { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/DescribeUcdnDomainRequest.cs b/UCloudSDK.NetCore2/Models/UCDN/DescribeUcdnDomainRequest.cs
new file mode 100644
index 0000000..2326d41
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/DescribeUcdnDomainRequest.cs
@@ -0,0 +1,53 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取加速域名详细信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/describe_ucdn_domain.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUcdnDomainRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeUcdnDomain";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeUcdnDomain
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 域名ID 
+        ///     <para>
+        ///     创建加速域名时生成。默认获取账户下所有域名。
+        ///     </para>                 
+        /// </summary>
+        public NList DomainIds { get; set; }
+
+        /// <summary>
+        /// 返回数据的偏移量 
+        ///     <para>
+        ///     默认0。
+        ///     </para>                 
+        /// </summary>
+        public int? OffSet { get; set; }
+
+        /// <summary>
+        /// 返回数据的长度 
+        ///     <para>
+        ///     默认20。
+        ///     </para>                 
+        /// </summary>
+        public string Limit { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/DescribeUcdnDomainResponse.cs b/UCloudSDK.NetCore2/Models/UCDN/DescribeUcdnDomainResponse.cs
new file mode 100644
index 0000000..cf99ccf
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/DescribeUcdnDomainResponse.cs
@@ -0,0 +1,35 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取加速域名详细信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/describe_ucdn_domain.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUcdnDomainResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///      DescribeUcdnDomainResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 满足条件的条目数                
+        /// </summary>
+        public int TotalCount { get; set; }
+
+        /// <summary>
+        /// 获取的域名信息 
+        ///     <para>
+        ///     具体结构见 DomainSet
+        ///     </para>                 
+        /// </summary>
+        public List<DescribeUcdnDomainSet> DomainSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainBandwidthRequest.cs b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainBandwidthRequest.cs
new file mode 100644
index 0000000..64d4240
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainBandwidthRequest.cs
@@ -0,0 +1,69 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取加速域名带宽使用信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/get_ucdn_domain_bandwidth.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUcdnDomainBandwidthRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "GetUcdnDomainBandwidth";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     GetUcdnDomainBandwidth
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 域名ID 
+        ///     <para>
+        ///     创建加速域名时生成。
+        ///     </para>                 
+        /// </summary>
+        public NList DomainId { get; set; }
+
+        /// <summary>
+        /// CDN加速区域 
+        ///     <para>
+        ///     目前区域代表有：cn：国内；abroad：国外。可选择多个区域，表述为：”Areacodes.0=cn, Areacodes.1=aboard”，表示同时使用国内和海外节点
+        ///     </para>                 
+        /// </summary>
+        public NList Areacode { get; set; }
+
+        /// <summary>
+        /// 查询的起始时间 
+        ///     <para>
+        ///     格式为Unix Timestamp。如果有EndTime，BeginTime必须赋值。
+        ///     </para>                 
+        /// </summary>
+        public int? BeginTime { get; set; }
+
+        /// <summary>
+        /// 查询的结束时间 
+        ///     <para>
+        ///     格式为Unix Timestamp。EndTime默认为当前时间，BeginTime默认为当前时间前一天时间。
+        ///     </para>                 
+        /// </summary>
+        public int? EndTime { get; set; }
+
+        /// <summary>
+        /// 是否按天展示带宽峰值 
+        ///     <para>
+        ///     枚举值：0：否；1：是；默认为0
+        ///     </para>                 
+        /// </summary>
+        public int? Daily { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainBandwidthSet.Set.cs b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainBandwidthSet.Set.cs
new file mode 100644
index 0000000..7f9b96f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainBandwidthSet.Set.cs
@@ -0,0 +1,28 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取加速域名带宽使用信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/get_ucdn_domain_bandwidth.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUcdnDomainBandwidthSet
+    {
+        /// <summary>
+        /// 带宽获取的时间点 
+        ///     <para>
+        ///     格式为Unix Timestamp
+        ///     </para>                 
+        /// </summary>
+        public int Time { get; set; }
+
+        /// <summary>
+        /// 具体带宽值 
+        ///     <para>
+        ///     单位为Mbps。其中查询区间为1天，value的值表示5分钟内的最大带宽值；查询区间为2-4天，value的值表示15分钟内的最大带宽值；查询区间为5-14天，value的值表示3-分钟内的最大带宽值；查询区间为15-30天，value的值为1小时内的带宽最大值。（如果请求参数中Daily为1，则value的值表示1天内的带宽最大值）
+        ///     </para>                 
+        /// </summary>
+        public float Value { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainBandwidthsResponse.cs b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainBandwidthsResponse.cs
new file mode 100644
index 0000000..3ac27f9
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainBandwidthsResponse.cs
@@ -0,0 +1,38 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取加速域名带宽使用信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/get_ucdn_domain_bandwidth.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUcdnDomainBandwidthResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///      GetUcdnDomainBandwidthResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 从起始时间到结束时间内所使用的带宽总量 
+        ///     <para>
+        ///     单位GB
+        ///     </para>                 
+        /// </summary>
+        public float Traffic { get; set; }
+
+        /// <summary>
+        /// 带宽流量实例表 
+        ///     <para>
+        ///     具体结构见 BandwidthSet
+        ///     </para>                 
+        /// </summary>
+        public List<GetUcdnDomainBandwidthSet> BandWidthSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainLog.LogSet.cs b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainLog.LogSet.cs
new file mode 100644
index 0000000..873ef58
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainLog.LogSet.cs
@@ -0,0 +1,28 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取加速域名原始日志
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/get_ucdn_domain_log.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUcdnDomainLogSet
+    {
+        /// <summary>
+        /// 流量获取的时间点 
+        ///     <para>
+        ///     格式为Unix Timestamp
+        ///     </para>                 
+        /// </summary>
+        public int Time { get; set; }
+
+        /// <summary>
+        /// 具体获取日志连的URL 
+        ///     <para>
+        ///     其中获取最近7天内的下载日志。下载日志URL中的域名后带有cn表示中国大陆，hk表示香港，ov表示国外。创建加速域名时，aboard包含hk和ov。
+        ///     </para>                 
+        /// </summary>
+        public string Value { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainLogRequest.cs b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainLogRequest.cs
new file mode 100644
index 0000000..cf9247f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainLogRequest.cs
@@ -0,0 +1,53 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取加速域名原始日志
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/get_ucdn_domain_log.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUcdnDomainLogRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "GetUcdnDomainLog";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     GetUcdnDomainLog
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 域名ID 
+        ///     <para>
+        ///     创建加速域名时生成。
+        ///     </para>                 
+        /// </summary>
+        public NList DomainId { get; set; }
+
+        /// <summary>
+        /// 查询的起始时间 
+        ///     <para>
+        ///     格式为Unix Timestamp。如果有EndTime，BeginTime必须赋值。
+        ///     </para>                 
+        /// </summary>
+        public int? BeginTime { get; set; }
+
+        /// <summary>
+        /// 查询的结束时间 
+        ///     <para>
+        ///     格式为Unix Timestamp。EndTime默认为当前时间，BeginTime默认为当前时间前一天时间。
+        ///     </para>                 
+        /// </summary>
+        public int? EndTime { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainLogResponse.cs b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainLogResponse.cs
new file mode 100644
index 0000000..99e5731
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainLogResponse.cs
@@ -0,0 +1,30 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取加速域名原始日志
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/get_ucdn_domain_log.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUcdnDomainLogResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///      GetUcdnDomainLogResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 流量实例表 
+        ///     <para>
+        ///     具体结构见 LogSet
+        ///     </para>                 
+        /// </summary>
+        public List<GetUcdnDomainLogSet> LogSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainPrefetchEnableRequest.cs b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainPrefetchEnableRequest.cs
new file mode 100644
index 0000000..1af99ed
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainPrefetchEnableRequest.cs
@@ -0,0 +1,47 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取域名预取开启状态
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/get_ucdn_domain_prefetch_enable.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUcdnDomainPrefetchEnableRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "GetUcdnDomainPrefetchEnable";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     GetUcdnDomainPrefetchEnable
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 域名ID 
+        ///     <para>
+        ///     创建加速域名时生成。
+        ///     </para>                 
+        /// </summary>
+        public string DomainId { get; set; }
+
+
+        /// <summary>
+        /// 实例化 <see cref="GetUcdnDomainPrefetchEnableRequest"/> 类.
+        /// </summary>
+        /// <param name="domainId">域名ID.</param>
+        public  GetUcdnDomainPrefetchEnableRequest(string domainId)
+        {
+            DomainId = domainId;
+        }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainPrefetchEnableResponse.cs b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainPrefetchEnableResponse.cs
new file mode 100644
index 0000000..58383b8
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainPrefetchEnableResponse.cs
@@ -0,0 +1,28 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取域名预取开启状态
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/get_ucdn_domain_prefetch_enable.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUcdnDomainPrefetchEnableResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///      GetUcdnDomainPrefetchEnableResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 0表示该域名未开启预取 
+        ///     <para>
+        ///     1表示该域名已开启预取
+        ///     </para>                 
+        /// </summary>
+        public int Enable { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainTraffic.TrafficSet.cs b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainTraffic.TrafficSet.cs
new file mode 100644
index 0000000..dd3c164
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainTraffic.TrafficSet.cs
@@ -0,0 +1,28 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取加速域名流量使用信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/get_ucdn_domain_traffic.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUcdnDomainTrafficSet
+    {
+        /// <summary>
+        /// 流量获取的时间点 
+        ///     <para>
+        ///     格式为Unix Timestamp
+        ///     </para>                 
+        /// </summary>
+        public int Time { get; set; }
+
+        /// <summary>
+        /// 查询每日流量总值 
+        ///     <para>
+        ///     单位：GB
+        ///     </para>                 
+        /// </summary>
+        public float Value { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainTrafficRequest.cs b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainTrafficRequest.cs
new file mode 100644
index 0000000..dc0c818
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainTrafficRequest.cs
@@ -0,0 +1,61 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取加速域名流量使用信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/get_ucdn_domain_traffic.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUcdnDomainTrafficRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "GetUcdnDomainTraffic";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     GetUcdnDomainTraffic
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 域名ID 
+        ///     <para>
+        ///     创建加速域名时生成。
+        ///     </para>                 
+        /// </summary>
+        public NList DomainId { get; set; }
+
+        /// <summary>
+        /// CDN加速区域 
+        ///     <para>
+        ///     目前区域代表有：cn：国内；abroad：国外。可选择多个区域，表述为：”Areacodes.0=cn, Areacodes.1=aboard”，表示同时使用国内和海外节点
+        ///     </para>                 
+        /// </summary>
+        public NList Areacode { get; set; }
+
+        /// <summary>
+        /// 查询的起始时间 
+        ///     <para>
+        ///     格式为Unix Timestamp。如果有EndTime，BeginTime必须赋值。
+        ///     </para>                 
+        /// </summary>
+        public int? BeginTime { get; set; }
+
+        /// <summary>
+        /// 查询的结束时间 
+        ///     <para>
+        ///     格式为Unix Timestamp。EndTime默认为当前时间，BeginTime默认为当前时间前一天时间。
+        ///     </para>                 
+        /// </summary>
+        public int? EndTime { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainTrafficResponse.cs b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainTrafficResponse.cs
new file mode 100644
index 0000000..6aba7a9
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnDomainTrafficResponse.cs
@@ -0,0 +1,30 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取加速域名流量使用信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/get_ucdn_domain_traffic.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUcdnDomainTrafficResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///      GetUcdnDomainTrafficResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 流量实例表 
+        ///     <para>
+        ///     具体结构见 TrafficSet
+        ///     </para>                 
+        /// </summary>
+        public List<GetUcdnDomainTrafficSet> TrafficSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/GetUcdnTraffic.TrafficSet.cs b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnTraffic.TrafficSet.cs
new file mode 100644
index 0000000..ff3d5e6
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnTraffic.TrafficSet.cs
@@ -0,0 +1,44 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取流量信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/get_ucdn_traffic.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUcdnTrafficSet
+    {
+        /// <summary>
+        /// 购买流量的区域 
+        ///     <para>
+        ///      cn: 国内; aboard: 国外
+        ///     </para>                 
+        /// </summary>
+        public string Areacode { get; set; }
+
+        /// <summary>
+        /// Areacode区域内总购买流量 
+        ///     <para>
+        ///      单位GB
+        ///     </para>                 
+        /// </summary>
+        public float TrafficTotal { get; set; }
+
+        /// <summary>
+        /// Areacode区域内总剩余流量 
+        ///     <para>
+        ///      单位GB
+        ///     </para>                 
+        /// </summary>
+        public float TrafficLeft { get; set; }
+
+        /// <summary>
+        /// Areacode区域内总使用流量 
+        ///     <para>
+        ///      单位GB
+        ///     </para>                 
+        /// </summary>
+        public float TrafficUsed { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/GetUcdnTrafficRequest.cs b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnTrafficRequest.cs
new file mode 100644
index 0000000..66277bd
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnTrafficRequest.cs
@@ -0,0 +1,34 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取流量信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/get_ucdn_traffic.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUcdnTrafficRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "GetUcdnTraffic";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     GetUcdnTraffic
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }  
+               
+        /// <summary>
+        /// None                
+        /// </summary>
+        public string 不需要提供参数 { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/GetUcdnTrafficResponse.cs b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnTrafficResponse.cs
new file mode 100644
index 0000000..b56d619
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/GetUcdnTrafficResponse.cs
@@ -0,0 +1,30 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取流量信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/get_ucdn_traffic.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUcdnTrafficResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///      GetUcdnTrafficResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 用户不同区域的流量信息 
+        ///     <para>
+        ///      具体结构参见TrafficSet部分
+        ///     </para>                 
+        /// </summary>
+        public List<GetUcdnTrafficSet> TrafficSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/PrefetchDomainCacheRequest.cs b/UCloudSDK.NetCore2/Models/UCDN/PrefetchDomainCacheRequest.cs
new file mode 100644
index 0000000..ed00f4d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/PrefetchDomainCacheRequest.cs
@@ -0,0 +1,60 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 预取文件
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/prefetch_domain_cache.html
+    ///     </para>
+    /// </summary>
+    public partial class PrefetchDomainCacheRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "PrefetchDomainCache";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     PrefetchDomainCache
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 域名ID 
+        ///     <para>
+        ///     创建加速域名时生成。
+        ///     </para>                 
+        /// </summary>
+        public string DomainId { get; set; }
+
+        /// <summary>
+        /// URL列表 
+        ///     <para>
+        ///     一次最多提交10个，必须以”http://域名/”开始。目录要以”/”结尾，如刷新目录a下所有文件，格式为：http://abc.ucloud.cn/a/；如刷新文件目录a下面所有img.png文件，格式为http://abc.ucloud.cn/a/img.png。请正确提交需要刷新的域名（点播，下载只支持每次预取一个）
+        ///     </para>                 
+        /// </summary>
+        public NList UrlList { get; set; }
+
+        /// <summary>
+        /// 大文件下载、点播支持文件的md5校验                
+        /// </summary>
+        public string Md5 { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="PrefetchDomainCacheRequest"/> 类.
+        /// </summary>
+        /// <param name="domainId">域名ID.</param>
+        /// <param name="urlList">URL列表.</param>
+        public PrefetchDomainCacheRequest(string domainId, NList urlList)
+        {
+            DomainId = domainId;
+            UrlList = urlList;
+        }
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/PrefetchDomainCacheResponse.cs b/UCloudSDK.NetCore2/Models/UCDN/PrefetchDomainCacheResponse.cs
new file mode 100644
index 0000000..60b6f47
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/PrefetchDomainCacheResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 预取文件
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/prefetch_domain_cache.html
+    ///     </para>
+    /// </summary>
+    public partial class PrefetchDomainCacheResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///      PrefetchDomainCacheResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/RefreshUcdnDomainCacheRequest.cs b/UCloudSDK.NetCore2/Models/UCDN/RefreshUcdnDomainCacheRequest.cs
new file mode 100644
index 0000000..f1a8dc2
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/RefreshUcdnDomainCacheRequest.cs
@@ -0,0 +1,65 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 刷新加速缓存
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/refresh_ucdn_domain_cache.html
+    ///     </para>
+    /// </summary>
+    public partial class RefreshUcdnDomainCacheRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "RefreshUcdnDomainCache";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     RefreshUcdnDomainCache
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 域名ID 
+        ///     <para>
+        ///     创建加速域名时生成。
+        ///     </para>                 
+        /// </summary>
+        public string DomainId { get; set; }
+
+        /// <summary>
+        /// 刷新类型 
+        ///     <para>
+        ///     file代表文件刷新，dir代表路径刷新
+        ///     </para>                 
+        /// </summary>
+        public string Type { get; set; }
+
+        /// <summary>
+        /// URL列表
+        ///     <para>
+        ///     一次最多提交30个。必须以”http://域名/”开始。目录要以”/”结尾，如刷新目录a下所有文件，格式为：http://abc.ucloud.cn/a/；如刷新文件目录a下面所有img.png文件，格式为http://abc.ucloud.cn/a/img.png。请正确提交需要刷新的域名
+        ///     </para>                 
+        /// </summary>
+        public NList UrlList { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="RefreshUcdnDomainCacheRequest"/> 类.
+        /// </summary>
+        /// <param name="domainId">域名ID.</param>
+        /// <param name="type">刷新类型.</param>
+        /// <param name="urlList">URL列表.</param>
+        public RefreshUcdnDomainCacheRequest(string domainId, string type, NList urlList)
+        {
+            DomainId = domainId;
+            Type = type;
+            UrlList = urlList;
+        }
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/RefreshUcdnDomainCacheResponse.cs b/UCloudSDK.NetCore2/Models/UCDN/RefreshUcdnDomainCacheResponse.cs
new file mode 100644
index 0000000..0f60d87
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/RefreshUcdnDomainCacheResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 刷新加速缓存
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/refresh_ucdn_domain_cache.html
+    ///     </para>
+    /// </summary>
+    public partial class RefreshUcdnDomainCacheResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///      RefreshUcdnDomainCacheResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/UpdateUcdnDomainRequest.cs b/UCloudSDK.NetCore2/Models/UCDN/UpdateUcdnDomainRequest.cs
new file mode 100644
index 0000000..8e5b133
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/UpdateUcdnDomainRequest.cs
@@ -0,0 +1,102 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 更新加速域名配置
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/update_ucdn_domain.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateUcdnDomainRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "UpdateUcdnDomain";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     UpdateUcdnDomain
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 域名ID 
+        ///     <para>
+        ///     创建加速域名时生成。
+        ///     </para>                 
+        /// </summary>
+        public string DomainId { get; set; }
+
+        /// <summary>
+        /// 源站IP 
+        ///     <para>
+        ///     即cdn服务器回源访问的IP地址。支持多个源站IP。多个源站IP可以表述为：SourceIps.0=1.1.1.1，SourceIps.1=2.2.2.2
+        ///     </para>                 
+        /// </summary>
+        public NList SourceIp { get; set; }
+
+        /// <summary>
+        /// 测试url 
+        ///     <para>
+        ///     用于域名创建加速时的测试。
+        ///     </para>                 
+        /// </summary>
+        public string TestUrl { get; set; }
+
+        /// <summary>
+        /// CDN加速区域 
+        ///     <para>
+        ///     目前区域代表有：cn：国内；abroad：国外。可选择多个区域，表述为：”Areacodes.0=cn, Areacodes.1=aboard”，表示同时使用国内和海外节点
+        ///     </para>                 
+        /// </summary>
+        public NList Areacode { get; set; }
+
+        /// <summary>
+        /// 加速成功后需要缓存在节点服务器的静态文件类型 
+        ///     <para>
+        ///     动态文件不支持缓存。多个文件类型，请使用：”CacheFileTypes.0=zip, CacheFileTypes.1=txt”，依赖于CacheTel参数
+        ///     </para>                 
+        /// </summary>
+        public NList CacheFileType { get; set; }
+
+        /// <summary>
+        /// 需要缓存的文件或路径的URL 
+        ///     <para>
+        ///     URL支持模糊匹配，不支持正则表达式。
+        ///     </para>                 
+        /// </summary>
+        public NList CacheUrl { get; set; }
+
+        /// <summary>
+        /// 缓存文件或路径需要缓存的时间 
+        ///     <para>
+        ///     单位：秒
+        ///     </para>                 
+        /// </summary>
+        public int? CacheTtl { get; set; }
+
+        /// <summary>
+        /// 不需要缓存的文件或路径 
+        ///     <para>
+        ///     格式同CacheUrls
+        ///     </para>                 
+        /// </summary>
+        public NList NoCacheUrl { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="UpdateUcdnDomainRequest"/> 对象.
+        /// </summary>
+        /// <param name="domainId">用于加速的域名.</param>
+        public UpdateUcdnDomainRequest(string domainId)
+        {
+            DomainId = domainId;
+        } 
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/UpdateUcdnDomainResponse.cs b/UCloudSDK.NetCore2/Models/UCDN/UpdateUcdnDomainResponse.cs
new file mode 100644
index 0000000..5b07b1e
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/UpdateUcdnDomainResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 更新加速域名配置
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/update_ucdn_domain.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateUcdnDomainResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///      UpdateUcdnDomainResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/UpdateUcdnDomainStatusRequest.cs b/UCloudSDK.NetCore2/Models/UCDN/UpdateUcdnDomainStatusRequest.cs
new file mode 100644
index 0000000..41d2e81
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/UpdateUcdnDomainStatusRequest.cs
@@ -0,0 +1,56 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 更新加速域名状态
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/update_ucdn_domain_status.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateUcdnDomainStatusRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "UpdateUcdnDomainStatus";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     UpdateUcdnDomainStatus
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 域名ID 
+        ///     <para>
+        ///     创建加速域名时生成。
+        ///     </para>                 
+        /// </summary>
+        public string DomainId { get; set; }
+
+        /// <summary>
+        /// 域名状态 
+        ///     <para>
+        ///     enable代表加速中，disable代表停止加速，delete代表删除加速。（目前仅支持删除审核失败的域名）
+        ///     </para>                 
+        /// </summary>
+        public string Status { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="UpdateUcdnDomainStatusRequest" /> 类.
+        /// </summary>
+        /// <param name="domainId">域名ID.</param>
+        /// <param name="status">域名状态.</param>
+        public UpdateUcdnDomainStatusRequest(string domainId, string status)
+        {
+            DomainId = domainId;
+            Status = status;
+        }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UCDN/UpdateUcdnDomainStatusResponse.cs b/UCloudSDK.NetCore2/Models/UCDN/UpdateUcdnDomainStatusResponse.cs
new file mode 100644
index 0000000..10b9846
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UCDN/UpdateUcdnDomainStatusResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 更新加速域名状态
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ucdn/update_ucdn_domain_status.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateUcdnDomainStatusResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///      UpdateUcdnDomainStatusResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/BackupUDBInstanceRequest.cs b/UCloudSDK.NetCore2/Models/UDB/BackupUDBInstanceRequest.cs
new file mode 100644
index 0000000..2ab2f97
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/BackupUDBInstanceRequest.cs
@@ -0,0 +1,72 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 备份udb实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/backup_udb_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class BackupUDBInstanceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "BackupUDBInstance";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     BackupUDBInstance
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// DB实例Id                
+        /// </summary>
+        public string DBId { get; set; }
+
+        /// <summary>
+        /// 备份名称                
+        /// </summary>
+        public string BackupName { get; set; }
+
+        /// <summary>
+        /// 是否使用黑名单备份 
+        ///     <para>
+        ///     默认false
+        ///     </para>                 
+        /// </summary>
+        public bool? UseBlacklist { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="BackupUDBInstanceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="dbid">DB实例Id</param>                    
+        /// <param name="backupname">备份名称</param>                    
+        public BackupUDBInstanceRequest(string region, string dbid, string backupname)
+        {               
+            Region = region;
+            DBId = dbid;
+            BackupName = backupname;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/BackupUDBInstanceResponse.cs b/UCloudSDK.NetCore2/Models/UDB/BackupUDBInstanceResponse.cs
new file mode 100644
index 0000000..9215bdb
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/BackupUDBInstanceResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 备份udb实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/backup_udb_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class BackupUDBInstanceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/ClearUDBLogRequest.cs b/UCloudSDK.NetCore2/Models/UDB/ClearUDBLogRequest.cs
new file mode 100644
index 0000000..ed056ba
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/ClearUDBLogRequest.cs
@@ -0,0 +1,75 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 清除udb实例的log
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/clear_udb_log.html
+    ///     </para>
+    /// </summary>
+    public partial class ClearUDBLogRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "ClearUDBLog";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     ClearUDBLog
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// DB实例的id                
+        /// </summary>
+        public string DBId { get; set; }
+
+        /// <summary>
+        /// 日志类型 
+        ///     <para>
+        ///     10-error（暂不支持）、20-slow（暂不支持）、30-binlog
+        ///     </para>                 
+        /// </summary>
+        public int LogType { get; set; }
+
+        /// <summary>
+        /// 删除时间点(至少前一天)之前log 
+        ///     <para>
+        ///     采用时间戳(秒)，默认当前时间点前一天
+        ///     </para>                 
+        /// </summary>
+        public int? BeforeTime { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="ClearUDBLogRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="dbid">DB实例的id</param>                    
+        /// <param name="logtype">日志类型</param>                    
+        public ClearUDBLogRequest(string region, string dbid, int logtype)
+        {               
+            Region = region;
+            DBId = dbid;
+            LogType = logtype;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/ClearUDBLogResponse.cs b/UCloudSDK.NetCore2/Models/UDB/ClearUDBLogResponse.cs
new file mode 100644
index 0000000..b9f740d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/ClearUDBLogResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 清除udb实例的log
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/clear_udb_log.html
+    ///     </para>
+    /// </summary>
+    public partial class ClearUDBLogResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/CreateUDBInstanceRequest.cs b/UCloudSDK.NetCore2/Models/UDB/CreateUDBInstanceRequest.cs
new file mode 100644
index 0000000..846eef2
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/CreateUDBInstanceRequest.cs
@@ -0,0 +1,183 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建udb实例（包括mysql、mongodb实例和从备份恢复实例）
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/create_udb_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUDBInstanceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreateUDBInstance";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreateUDBInstance
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// DB类型id 
+        ///     <para>
+        ///     mysql/mongodb按版本细分各有一个id1：mysql-5.5，2：mysql-5.1，3：percona-5.54：mongodb-2.4，5：mongodb-2.6，6：mysql-5.6，7：percona-5.6
+        ///     </para>                 
+        /// </summary>
+        public string DBTypeId { get; set; }
+
+        /// <summary>
+        /// Year 
+        ///     <para>
+        ///      Month， Dynamic，Trial，默认: Dynamic
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 使用的代金券id                
+        /// </summary>
+        public string CouponId { get; set; }
+
+        /// <summary>
+        /// 购买时长 
+        ///     <para>
+        ///     默认值1
+        ///     </para>                 
+        /// </summary>
+        public int? Quantity { get; set; }
+
+        /// <summary>
+        /// 实例名称 
+        ///     <para>
+        ///     至少6位
+        ///     </para>                 
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 管理员帐户名 
+        ///     <para>
+        ///     默认root
+        ///     </para>                 
+        /// </summary>
+        public string AdminUser { get; set; }
+
+        /// <summary>
+        /// 管理员密码                
+        /// </summary>
+        public string AdminPassword { get; set; }
+
+        /// <summary>
+        /// 端口号 
+        ///     <para>
+        ///     mysql默认3306，mongodb默认27017
+        ///     </para>                 
+        /// </summary>
+        public int Port { get; set; }
+
+        /// <summary>
+        /// DB实例使用的配置参数组id                
+        /// </summary>
+        public int ParamGroupId { get; set; }
+
+        /// <summary>
+        /// 内存限制(MB) 
+        ///     <para>
+        ///     目前支持以下几档600M/1500M/3000M/6000M/15000M/30000M
+        ///     </para>                 
+        /// </summary>
+        public int MemoryLimit { get; set; }
+
+        /// <summary>
+        /// 磁盘空间(GB) 
+        ///     <para>
+        ///      暂时支持20G - 500G
+        ///     </para>                 
+        /// </summary>
+        public int DiskSpace { get; set; }
+
+        /// <summary>
+        /// 备份策略 
+        ///     <para>
+        ///     每周备份数量，默认7次
+        ///     </para>                 
+        /// </summary>
+        public int? BackupCount { get; set; }
+
+        /// <summary>
+        /// 备份策略 
+        ///     <para>
+        ///     备份开始时间，单位小时计，默认3点
+        ///     </para>                 
+        /// </summary>
+        public int? BackupTime { get; set; }
+
+        /// <summary>
+        /// 备份策略 
+        ///     <para>
+        ///     备份时间间隔，单位小时计，默认24小时
+        ///     </para>                 
+        /// </summary>
+        public int? BackupDuration { get; set; }
+
+        /// <summary>
+        /// 备份id 
+        ///     <para>
+        ///     如果指定，则表明从备份恢复实例
+        ///     </para>                 
+        /// </summary>
+        public int? BackupId { get; set; }
+
+        /// <summary>
+        /// 是否使用SSD 
+        ///     <para>
+        ///     默认为false
+        ///     </para>                 
+        /// </summary>
+        public bool? UseSSD { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreateUDBInstanceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="dbtypeid">DB类型id</param>                    
+        /// <param name="name">实例名称</param>                    
+        /// <param name="adminpassword">管理员密码</param>                    
+        /// <param name="port">端口号</param>                    
+        /// <param name="paramgroupid">DB实例使用的配置参数组id</param>                    
+        /// <param name="memorylimit">内存限制(MB)</param>                    
+        /// <param name="diskspace">磁盘空间(GB)</param>                    
+        public CreateUDBInstanceRequest(string region, string dbtypeid, string name, string adminpassword, int port, int paramgroupid, int memorylimit, int diskspace)
+        {               
+            Region = region;
+            DBTypeId = dbtypeid;
+            Name = name;
+            AdminPassword = adminpassword;
+            Port = port;
+            ParamGroupId = paramgroupid;
+            MemoryLimit = memorylimit;
+            DiskSpace = diskspace;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/CreateUDBInstanceResponse.cs b/UCloudSDK.NetCore2/Models/UDB/CreateUDBInstanceResponse.cs
new file mode 100644
index 0000000..d2c9d29
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/CreateUDBInstanceResponse.cs
@@ -0,0 +1,22 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建udb实例（包括mysql、mongodb实例和从备份恢复实例）
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/create_udb_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUDBInstanceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// db实例id                
+        /// </summary>
+        public string DBId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/CreateUDBParamGroupRequest.cs b/UCloudSDK.NetCore2/Models/UDB/CreateUDBParamGroupRequest.cs
new file mode 100644
index 0000000..df1bd51
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/CreateUDBParamGroupRequest.cs
@@ -0,0 +1,81 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 从已有配置文件创建新配置文件
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/create_udb_param_group.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUDBParamGroupRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreateUDBParamGroup";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreateUDBParamGroup
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// 新配置参数组名称                
+        /// </summary>
+        public string GroupName { get; set; }
+
+        /// <summary>
+        /// 参数组描述                
+        /// </summary>
+        public string Description { get; set; }
+
+        /// <summary>
+        /// 源参数组id                
+        /// </summary>
+        public int SrcGroupId { get; set; }
+
+        /// <summary>
+        /// DB类型id 
+        ///     <para>
+        ///     mysql/mongodb按版本细分各有一个id1：mysql-5.5，2：mysql-5.1，3：percona-5.54：mongodb-2.4，5：mongodb-2.6，6：mysql-5.6，7：percona-5.6
+        ///     </para>                 
+        /// </summary>
+        public string DBTypeId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreateUDBParamGroupRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="groupname">新配置参数组名称</param>                    
+        /// <param name="description">参数组描述</param>                    
+        /// <param name="srcgroupid">源参数组id</param>                    
+        /// <param name="dbtypeid">DB类型id</param>                    
+        public CreateUDBParamGroupRequest(string region, string groupname, string description, int srcgroupid, string dbtypeid)
+        {               
+            Region = region;
+            GroupName = groupname;
+            Description = description;
+            SrcGroupId = srcgroupid;
+            DBTypeId = dbtypeid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/CreateUDBParamGroupResponse.cs b/UCloudSDK.NetCore2/Models/UDB/CreateUDBParamGroupResponse.cs
new file mode 100644
index 0000000..403c0f4
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/CreateUDBParamGroupResponse.cs
@@ -0,0 +1,22 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 从已有配置文件创建新配置文件
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/create_udb_param_group.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUDBParamGroupResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 新配置参数组id                
+        /// </summary>
+        public int GroupId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/CreateUDBReplicationInstanceRequest.cs b/UCloudSDK.NetCore2/Models/UDB/CreateUDBReplicationInstanceRequest.cs
new file mode 100644
index 0000000..79141c6
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/CreateUDBReplicationInstanceRequest.cs
@@ -0,0 +1,88 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建mongodb的副本节点（包括仲裁）
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/create_udb_replication_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUDBReplicationInstanceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreateUDBReplicationInstance";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreateUDBReplicationInstance
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// primary节点的DBId                
+        /// </summary>
+        public string SrcId { get; set; }
+
+        /// <summary>
+        /// 实例名称 
+        ///     <para>
+        ///     至少6位
+        ///     </para>                 
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 端口号 
+        ///     <para>
+        ///     默认27017
+        ///     </para>                 
+        /// </summary>
+        public int? Port { get; set; }
+
+        /// <summary>
+        /// 是否是仲裁节点 
+        ///     <para>
+        ///     默认false，仲裁节点按最小机型创建
+        ///     </para>                 
+        /// </summary>
+        public bool? IsArbiter { get; set; }
+
+        /// <summary>
+        /// 使用的代金券id                
+        /// </summary>
+        public string CouponId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreateUDBReplicationInstanceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="srcid">primary节点的DBId</param>                    
+        /// <param name="name">实例名称</param>                    
+        public CreateUDBReplicationInstanceRequest(string region, string srcid, string name)
+        {               
+            Region = region;
+            SrcId = srcid;
+            Name = name;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/CreateUDBReplicationInstanceResponse.cs b/UCloudSDK.NetCore2/Models/UDB/CreateUDBReplicationInstanceResponse.cs
new file mode 100644
index 0000000..fc5ab59
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/CreateUDBReplicationInstanceResponse.cs
@@ -0,0 +1,22 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建mongodb的副本节点（包括仲裁）
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/create_udb_replication_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUDBReplicationInstanceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 创建从节点的DBId                
+        /// </summary>
+        public string DBId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/CreateUDBSlaveRequest.cs b/UCloudSDK.NetCore2/Models/UDB/CreateUDBSlaveRequest.cs
new file mode 100644
index 0000000..d8db2e3
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/CreateUDBSlaveRequest.cs
@@ -0,0 +1,96 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建udb实例的slave
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/create_udb_slave.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUDBSlaveRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreateUDBSlave";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreateUDBSlave
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// master实例的DBId                
+        /// </summary>
+        public string SrcId { get; set; }
+
+        /// <summary>
+        /// 实例名称 
+        ///     <para>
+        ///     至少6位
+        ///     </para>                 
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 端口号 
+        ///     <para>
+        ///     mysql默认3306
+        ///     </para>                 
+        /// </summary>
+        public int? Port { get; set; }
+
+        /// <summary>
+        /// 是否使用SSD 
+        ///     <para>
+        ///     默认为false
+        ///     </para>                 
+        /// </summary>
+        public bool? UseSSD { get; set; }
+
+        /// <summary>
+        /// 使用的代金券id                
+        /// </summary>
+        public string CouponId { get; set; }
+
+        /// <summary>
+        /// 是否锁主库 
+        ///     <para>
+        ///     默认为true
+        ///     </para>                 
+        /// </summary>
+        public bool? IsLock { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreateUDBSlaveRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="srcid">master实例的DBId</param>                    
+        /// <param name="name">实例名称</param>                    
+        public CreateUDBSlaveRequest(string region, string srcid, string name)
+        {               
+            Region = region;
+            SrcId = srcid;
+            Name = name;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/CreateUDBSlaveResponse.cs b/UCloudSDK.NetCore2/Models/UDB/CreateUDBSlaveResponse.cs
new file mode 100644
index 0000000..47f65b5
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/CreateUDBSlaveResponse.cs
@@ -0,0 +1,22 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建udb实例的slave
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/create_udb_slave.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUDBSlaveResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 创建slave的DBId                
+        /// </summary>
+        public string DBId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DeleteUDBBackupRequest.cs b/UCloudSDK.NetCore2/Models/UDB/DeleteUDBBackupRequest.cs
new file mode 100644
index 0000000..f367589
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DeleteUDBBackupRequest.cs
@@ -0,0 +1,60 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除udb实例备份
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/delete_udb_backup.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteUDBBackupRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DeleteUDBBackup";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DeleteUDBBackup
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// 备份id 
+        ///     <para>
+        ///     可通过DescribeUDBBackup获得
+        ///     </para>                 
+        /// </summary>
+        public int BackupId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DeleteUDBBackupRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="backupid">备份id</param>                    
+        public DeleteUDBBackupRequest(string region, int backupid)
+        {               
+            Region = region;
+            BackupId = backupid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DeleteUDBBackupResponse.cs b/UCloudSDK.NetCore2/Models/UDB/DeleteUDBBackupResponse.cs
new file mode 100644
index 0000000..da3218c
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DeleteUDBBackupResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除udb实例备份
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/delete_udb_backup.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteUDBBackupResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DeleteUDBInstanceRequest.cs b/UCloudSDK.NetCore2/Models/UDB/DeleteUDBInstanceRequest.cs
new file mode 100644
index 0000000..b6fac6b
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DeleteUDBInstanceRequest.cs
@@ -0,0 +1,57 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除udb实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/delete_udb_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteUDBInstanceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DeleteUDBInstance";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DeleteUDBInstance
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// DB实例的id                
+        /// </summary>
+        public string DBId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DeleteUDBInstanceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="dbid">DB实例的id</param>                    
+        public DeleteUDBInstanceRequest(string region, string dbid)
+        {               
+            Region = region;
+            DBId = dbid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DeleteUDBInstanceResponse.cs b/UCloudSDK.NetCore2/Models/UDB/DeleteUDBInstanceResponse.cs
new file mode 100644
index 0000000..4fac9e6
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DeleteUDBInstanceResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除udb实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/delete_udb_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteUDBInstanceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DeleteUDBParamGroupRequest.cs b/UCloudSDK.NetCore2/Models/UDB/DeleteUDBParamGroupRequest.cs
new file mode 100644
index 0000000..59ea143
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DeleteUDBParamGroupRequest.cs
@@ -0,0 +1,57 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除配置参数组
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/delete_udb_param_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteUDBParamGroupRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DeleteUDBParamGroup";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DeleteUDBParamGroup
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// 参数组id                
+        /// </summary>
+        public int GroupId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DeleteUDBParamGroupRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="groupid">参数组id</param>                    
+        public DeleteUDBParamGroupRequest(string region, int groupid)
+        {               
+            Region = region;
+            GroupId = groupid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DeleteUDBParamGroupResponse.cs b/UCloudSDK.NetCore2/Models/UDB/DeleteUDBParamGroupResponse.cs
new file mode 100644
index 0000000..6236e93
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DeleteUDBParamGroupResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除配置参数组
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/delete_udb_param_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteUDBParamGroupResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBBackup.DataSet.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBBackup.DataSet.cs
new file mode 100644
index 0000000..f742b0a
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBBackup.DataSet.cs
@@ -0,0 +1,55 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 列表udb实例备份信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_backup.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBBackupDataSet
+    {
+        /// <summary>
+        /// 备份id                
+        /// </summary>
+        public int BackupId { get; set; }
+
+        /// <summary>
+        /// 备份名称                
+        /// </summary>
+        public string BackupName { get; set; }
+
+        /// <summary>
+        /// 备份时间                
+        /// </summary>
+        public int BackupTime { get; set; }
+
+        /// <summary>
+        /// 备份文件大小                
+        /// </summary>
+        public int BackupSize { get; set; }
+
+        /// <summary>
+        /// 备份类型 
+        ///     <para>
+        ///     包括0-自动，1-手动
+        ///     </para>                 
+        /// </summary>
+        public int BackupType { get; set; }
+
+        /// <summary>
+        /// 备份状态Backuping          // 备份中Success            // 备份成功Failed             // 备份失败Expired            // 备份过期                
+        /// </summary>
+        public string State { get; set; }
+
+        /// <summary>
+        /// dbid                
+        /// </summary>
+        public string DBId { get; set; }
+
+        /// <summary>
+        /// 对应的db名称                
+        /// </summary>
+        public string DBName { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBBackupBlacklistRequest.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBBackupBlacklistRequest.cs
new file mode 100644
index 0000000..ad73452
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBBackupBlacklistRequest.cs
@@ -0,0 +1,57 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udb实例的备份黑名单
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_backup_blacklist.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBBackupBlacklistRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeUDBBackupBlacklist";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeUDBBackupBlacklist
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// DB实例Id                
+        /// </summary>
+        public string DBId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeUDBBackupBlacklistRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="dbid">DB实例Id</param>                    
+        public DescribeUDBBackupBlacklistRequest(string region, string dbid)
+        {               
+            Region = region;
+            DBId = dbid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBBackupBlacklistResponse.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBBackupBlacklistResponse.cs
new file mode 100644
index 0000000..2a364c9
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBBackupBlacklistResponse.cs
@@ -0,0 +1,22 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udb实例的备份黑名单
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_backup_blacklist.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBBackupBlacklistResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 黑名单                
+        /// </summary>
+        public string Blacklist { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBBackupRequest.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBBackupRequest.cs
new file mode 100644
index 0000000..8e4df52
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBBackupRequest.cs
@@ -0,0 +1,102 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 列表udb实例备份信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_backup.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBBackupRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeUDBBackup";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeUDBBackup
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// 分页显示的起始偏移 
+        ///     <para>
+        ///     列表操作则指定
+        ///     </para>                 
+        /// </summary>
+        public int Offset { get; set; }
+
+        /// <summary>
+        /// 分页显示的条目数 
+        ///     <para>
+        ///     列表操作则指定
+        ///     </para>                 
+        /// </summary>
+        public int Limit { get; set; }
+
+        /// <summary>
+        /// DB实例Id 
+        ///     <para>
+        ///     如果指定，则只获取该db的备份信息
+        ///     </para>                 
+        /// </summary>
+        public string DBId { get; set; }
+
+        /// <summary>
+        /// 备份类型 
+        ///     <para>
+        ///     包括0-自动，1-手动
+        ///     </para>                 
+        /// </summary>
+        public int? BackupType { get; set; }
+
+        /// <summary>
+        /// 过滤条件 
+        ///     <para>
+        ///     起始时间(时间戳)
+        ///     </para>                 
+        /// </summary>
+        public int? BeginTime { get; set; }
+
+        /// <summary>
+        /// 过滤条件 
+        ///     <para>
+        ///     结束时间(时间戳)
+        ///     </para>                 
+        /// </summary>
+        public int? EndTime { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeUDBBackupRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="offset">分页显示的起始偏移</param>                    
+        /// <param name="limit">分页显示的条目数</param>                    
+        public DescribeUDBBackupRequest(string region, int offset, int limit)
+        {               
+            Region = region;
+            Offset = offset;
+            Limit = limit;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBBackupResponse.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBBackupResponse.cs
new file mode 100644
index 0000000..b59a5c2
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBBackupResponse.cs
@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 列表udb实例备份信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_backup.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBBackupResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 备份信息                
+        /// </summary>
+        public List<DescribeUDBBackupDataSet> DataSet { get; set; }
+
+        /// <summary>
+        /// 备份总数 
+        ///     <para>
+        ///     如果指定dbid，则是该db备份总数
+        ///     </para>                 
+        /// </summary>
+        public int TotalCount { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstance.DataSet.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstance.DataSet.cs
new file mode 100644
index 0000000..1577e9a
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstance.DataSet.cs
@@ -0,0 +1,212 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udb实例信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBInstanceDataSet
+    {
+        /// <summary>
+        /// DB实例id                
+        /// </summary>
+        public string DBId { get; set; }
+
+        /// <summary>
+        /// 实例名称 
+        ///     <para>
+        ///     至少6位
+        ///     </para>                 
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// DB类型id 
+        ///     <para>
+        ///     mysql/mongodb按版本细分各有一个id1：mysql-5.5，2：mysql-5.1，3：percona-5.54：mongodb-2.4，5：mongodb-2.6，6：mysql-5.6，7：percona-5.6
+        ///     </para>                 
+        /// </summary>
+        public string DBTypeId { get; set; }
+
+        /// <summary>
+        /// DB实例使用的配置参数组id                
+        /// </summary>
+        public int ParamGroupId { get; set; }
+
+        /// <summary>
+        /// 管理员帐户名 
+        ///     <para>
+        ///     默认root
+        ///     </para>                 
+        /// </summary>
+        public string AdminUser { get; set; }
+
+        /// <summary>
+        /// DB实例虚ip                
+        /// </summary>
+        public string VirtualIP { get; set; }
+
+        /// <summary>
+        /// DB实例虚ip的mac地址                
+        /// </summary>
+        public string VirtualIPMac { get; set; }
+
+        /// <summary>
+        /// 端口号 
+        ///     <para>
+        ///     mysql默认3306，mongodb默认27017
+        ///     </para>                 
+        /// </summary>
+        public int Port { get; set; }
+
+        /// <summary>
+        /// 对mysql的slave而言是master的DBId 
+        ///     <para>
+        ///     对master则为空，对mongodb则是副本集id
+        ///     </para>                 
+        /// </summary>
+        public string SrcDBId { get; set; }
+
+        /// <summary>
+        /// 备份策略 
+        ///     <para>
+        ///     每周备份数量，默认7次
+        ///     </para>                 
+        /// </summary>
+        public int BackupCount { get; set; }
+
+        /// <summary>
+        /// 备份策略 
+        ///     <para>
+        ///     备份开始时间，单位小时计，默认3点
+        ///     </para>                 
+        /// </summary>
+        public int BackupBeginTime { get; set; }
+
+        /// <summary>
+        /// 备份策略 
+        ///     <para>
+        ///     备份时间间隔，单位小时计，默认24小时
+        ///     </para>                 
+        /// </summary>
+        public int BackupDuration { get; set; }
+
+        /// <summary>
+        /// 备份策略 
+        ///     <para>
+        ///     备份黑名单，mongodb则不适用
+        ///     </para>                 
+        /// </summary>
+        public string BackupBlacklist { get; set; }
+
+        /// <summary>
+        /// DB状态标记Init                           // 初始化中Fail                           // 安装失败Starting                       // 启动中Running                        // 运行Shutdown                       // 关闭中Shutoff                        // 已关闭Delete                         // 已删除Upgrading                      // 升级中Promoting                      // 提升为独库进行中Recovering                     // 恢复中Recover fail                   // 恢复失败                
+        /// </summary>
+        public string State { get; set; }
+
+        /// <summary>
+        /// DB实例创建时间 
+        ///     <para>
+        ///     采用UTC计时时间戳
+        ///     </para>                 
+        /// </summary>
+        public int CreateTime { get; set; }
+
+        /// <summary>
+        /// DB实例修改时间 
+        ///     <para>
+        ///     采用UTC计时时间戳
+        ///     </para>                 
+        /// </summary>
+        public int ModifyTime { get; set; }
+
+        /// <summary>
+        /// DB实例过期时间 
+        ///     <para>
+        ///     采用UTC计时时间戳
+        ///     </para>                 
+        /// </summary>
+        public int ExpiredTime { get; set; }
+
+        /// <summary>
+        /// Year 
+        ///     <para>
+        ///      Month， Dynamic，Trial，默认: Dynamic
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 内存限制(MB) 
+        ///     <para>
+        ///     默认根据配置机型
+        ///     </para>                 
+        /// </summary>
+        public int MemoryLimit { get; set; }
+
+        /// <summary>
+        /// 磁盘空间(GB) 
+        ///     <para>
+        ///      默认根据配置机型
+        ///     </para>                 
+        /// </summary>
+        public int DiskSpace { get; set; }
+
+        /// <summary>
+        /// 是否使用SSD                
+        /// </summary>
+        public bool UseSSD { get; set; }
+
+        /// <summary>
+        /// DB实例角色 
+        ///     <para>
+        ///     mysql区分master/slave，mongodb多种角色
+        ///     </para>                 
+        /// </summary>
+        public string Role { get; set; }
+
+        /// <summary>
+        /// DB实例磁盘已使用空间 
+        ///     <para>
+        ///     单位GB
+        ///     </para>                 
+        /// </summary>
+        public int DiskUsedSize { get; set; }
+
+        /// <summary>
+        /// DB实例数据文件大小 
+        ///     <para>
+        ///     单位GB
+        ///     </para>                 
+        /// </summary>
+        public int DataFileSize { get; set; }
+
+        /// <summary>
+        /// DB实例系统文件大小 
+        ///     <para>
+        ///     单位GB
+        ///     </para>                 
+        /// </summary>
+        public int SystemFileSize { get; set; }
+
+        /// <summary>
+        /// DB实例日志文件大小 
+        ///     <para>
+        ///     单位GB
+        ///     </para>                 
+        /// </summary>
+        public int LogFileSize { get; set; }
+
+        /// <summary>
+        /// 如果列表操作 
+        ///     <para>
+        ///     则有从DB实例信息列表
+        ///     </para>                 
+        /// </summary>
+        public List<DescribeUDBInstanceDataSet> DataSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstancePrice.DataSet.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstancePrice.DataSet.cs
new file mode 100644
index 0000000..cd1f461
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstancePrice.DataSet.cs
@@ -0,0 +1,28 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udb实例价格信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_instance_price.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBInstancePriceDataSet
+    {
+        /// <summary>
+        /// Year 
+        ///     <para>
+        ///      Month， Dynamic，Trial
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 价格 
+        ///     <para>
+        ///     单位分
+        ///     </para>                 
+        /// </summary>
+        public float Price { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstancePriceRequest.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstancePriceRequest.cs
new file mode 100644
index 0000000..d00113d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstancePriceRequest.cs
@@ -0,0 +1,96 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udb实例价格信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_instance_price.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBInstancePriceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeUDBInstancePrice";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeUDBInstancePrice
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 购买DB实例数量                
+        /// </summary>
+        public int Count { get; set; }
+
+        /// <summary>
+        /// Year 
+        ///     <para>
+        ///      Month， Dynamic，Trial，默认: Dynamic如果不指定，则一次性获取三种计费
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 购买DB的时长 
+        ///     <para>
+        ///     默认值为1
+        ///     </para>                 
+        /// </summary>
+        public int? Quantity { get; set; }
+
+        /// <summary>
+        /// 内存限制(MB) 
+        ///     <para>
+        ///     目前支持以下几档600M/1500M/3000M/6000M/15000M/30000M
+        ///     </para>                 
+        /// </summary>
+        public int MemoryLimit { get; set; }
+
+        /// <summary>
+        /// 磁盘空间(GB) 
+        ///     <para>
+        ///      暂时支持20G - 500G
+        ///     </para>                 
+        /// </summary>
+        public int DiskSpace { get; set; }
+
+        /// <summary>
+        /// 是否使用SSD 
+        ///     <para>
+        ///     默认为false
+        ///     </para>                 
+        /// </summary>
+        public bool? UseSSD { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeUDBInstancePriceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="count">购买DB实例数量</param>                    
+        /// <param name="memorylimit">内存限制(MB)</param>                    
+        /// <param name="diskspace">磁盘空间(GB)</param>                    
+        public DescribeUDBInstancePriceRequest(string region, int count, int memorylimit, int diskspace)
+        {               
+            Region = region;
+            Count = count;
+            MemoryLimit = memorylimit;
+            DiskSpace = diskspace;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstancePriceResponse.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstancePriceResponse.cs
new file mode 100644
index 0000000..8490518
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstancePriceResponse.cs
@@ -0,0 +1,24 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udb实例价格信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_instance_price.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBInstancePriceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 价格                
+        /// </summary>
+        public List<DescribeUDBInstancePriceDataSet> DataSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstanceRequest.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstanceRequest.cs
new file mode 100644
index 0000000..39963c7
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstanceRequest.cs
@@ -0,0 +1,82 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udb实例信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBInstanceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeUDBInstance";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeUDBInstance
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// DB实例id 
+        ///     <para>
+        ///     如果指定则获取描述，否则为列表操作，指定Offset/Limit
+        ///     </para>                 
+        /// </summary>
+        public string DBId { get; set; }
+
+        /// <summary>
+        /// DB种类 
+        ///     <para>
+        ///     分为SQL和NOSQL，如果是别表操作，则需要制定
+        ///     </para>                 
+        /// </summary>
+        public string ClassType { get; set; }
+
+        /// <summary>
+        /// 分页显示起始偏移位置 
+        ///     <para>
+        ///     列表操作则指定
+        ///     </para>                 
+        /// </summary>
+        public int? Offset { get; set; }
+
+        /// <summary>
+        /// 分页显示数量 
+        ///     <para>
+        ///     列表操作则指定
+        ///     </para>                 
+        /// </summary>
+        public int? Limit { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeUDBInstanceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        public DescribeUDBInstanceRequest(string region)
+        {               
+            Region = region;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstanceResponse.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstanceResponse.cs
new file mode 100644
index 0000000..9b994d4
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstanceResponse.cs
@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udb实例信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBInstanceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// DB实例信息列表                
+        /// </summary>
+        public List<string> DataSet { get; set; }
+
+        /// <summary>
+        /// 用户db组的数量 
+        ///     <para>
+        ///     对于mysql: 主从结对数量，没有slave，则只有mastermongodb: 副本集数量
+        ///     </para>                 
+        /// </summary>
+        public int TotalCount { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstanceStateRequest.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstanceStateRequest.cs
new file mode 100644
index 0000000..b3f54e0
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstanceStateRequest.cs
@@ -0,0 +1,57 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udb实例状态
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_instance_state.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBInstanceStateRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeUDBInstanceState";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeUDBInstanceState
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例的Id                
+        /// </summary>
+        public string DBId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeUDBInstanceStateRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="dbid">实例的Id</param>                    
+        public DescribeUDBInstanceStateRequest(string region, string dbid)
+        {               
+            Region = region;
+            DBId = dbid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstanceStateResponse.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstanceStateResponse.cs
new file mode 100644
index 0000000..9ca3267
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBInstanceStateResponse.cs
@@ -0,0 +1,22 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udb实例状态
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_instance_state.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBInstanceStateResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// DB状态标记Init                      // 初始化中Fail                      // 安装失败Starting                  // 启动中Running                   // 运行Shutdown                  // 关闭中Shutoff                   // 已关闭Delete                    // 已删除Upgrading                 // 升级中Promoting                 // 提升为独库进行中Recovering                // 恢复中Recover fail              // 恢复失败                
+        /// </summary>
+        public string State { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBParamGroup.DataSet.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBParamGroup.DataSet.cs
new file mode 100644
index 0000000..7790710
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBParamGroup.DataSet.cs
@@ -0,0 +1,50 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取参数组详细参数信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_param_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBParamGroupDataSet
+    {
+        /// <summary>
+        /// 参数组id                
+        /// </summary>
+        public int GroupId { get; set; }
+
+        /// <summary>
+        /// 参数组名称                
+        /// </summary>
+        public string GroupName { get; set; }
+
+        /// <summary>
+        /// DB类型id 
+        ///     <para>
+        ///     mysql/mongodb按版本细分各有一个id1：mysql-5.5，2：mysql-5.1，3：percona-5.54：mongodb-2.4，5：mongodb-2.6，6：mysql-5.67：percona-5.6
+        ///     </para>                 
+        /// </summary>
+        public string DBTypeId { get; set; }
+
+        /// <summary>
+        /// 参数组描述                
+        /// </summary>
+        public string Description { get; set; }
+
+        /// <summary>
+        /// 参数组是否可修改 
+        ///     <para>
+        ///     默认值为true
+        ///     </para>                 
+        /// </summary>
+        public bool Modifiable { get; set; }
+
+        /// <summary>
+        /// 参数的键值对                
+        /// </summary>
+        public List<DescribeUDBParamGroupParamMember> ParamMember { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBParamGroup.ParamMember.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBParamGroup.ParamMember.cs
new file mode 100644
index 0000000..518341a
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBParamGroup.ParamMember.cs
@@ -0,0 +1,62 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取参数组详细参数信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_param_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBParamGroupParamMember
+    {
+        /// <summary>
+        /// 参数名称                
+        /// </summary>
+        public string Key { get; set; }
+
+        /// <summary>
+        /// 参数值                
+        /// </summary>
+        public string Value { get; set; }
+
+        /// <summary>
+        /// 参数值应用类型 
+        ///     <para>
+        ///     包括0-unknown、10-int、20-string、30-bool
+        ///     </para>                 
+        /// </summary>
+        public int ValueType { get; set; }
+
+        /// <summary>
+        /// 允许的值(根据参数类型 
+        ///     <para>
+        ///     用分隔符表示)
+        ///     </para>                 
+        /// </summary>
+        public string AllowedVal { get; set; }
+
+        /// <summary>
+        /// 参数值应用类型 
+        ///     <para>
+        ///     包括0-unknown、10-static、20-dynamic
+        ///     </para>                 
+        /// </summary>
+        public int ApplyType { get; set; }
+
+        /// <summary>
+        /// 是否可更改 
+        ///     <para>
+        ///     默认为false
+        ///     </para>                 
+        /// </summary>
+        public bool Modifiable { get; set; }
+
+        /// <summary>
+        /// 允许值得格式类型 
+        ///     <para>
+        ///     包括PVFT_UNKOWN=0,PVFT_RANGE=10, PVFT_ENUM=20
+        ///     </para>                 
+        /// </summary>
+        public int FormatType { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBParamGroupRequest.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBParamGroupRequest.cs
new file mode 100644
index 0000000..934b1c3
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBParamGroupRequest.cs
@@ -0,0 +1,74 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取参数组详细参数信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_param_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBParamGroupRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeUDBParamGroup";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeUDBParamGroup
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// 参数组id 
+        ///     <para>
+        ///     如果指定则获取描述，否则是列表操作，需要指定Offset/Limit
+        ///     </para>                 
+        /// </summary>
+        public int? GroupId { get; set; }
+
+        /// <summary>
+        /// 分页显示的起始偏移 
+        ///     <para>
+        ///     列表操作则指定
+        ///     </para>                 
+        /// </summary>
+        public int? Offset { get; set; }
+
+        /// <summary>
+        /// 分页显示的条目数 
+        ///     <para>
+        ///     列表操作则指定
+        ///     </para>                 
+        /// </summary>
+        public int? Limit { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeUDBParamGroupRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        public DescribeUDBParamGroupRequest(string region)
+        {               
+            Region = region;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBParamGroupResponse.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBParamGroupResponse.cs
new file mode 100644
index 0000000..739dcb2
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBParamGroupResponse.cs
@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取参数组详细参数信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_param_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBParamGroupResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 参数组                
+        /// </summary>
+        public List<DescribeUDBParamGroupDataSet> DataSet { get; set; }
+
+        /// <summary>
+        /// 参数组总数 
+        ///     <para>
+        ///     列表操作时才会有该参数
+        ///     </para>                 
+        /// </summary>
+        public int TotalCount { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBType.DataSet.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBType.DataSet.cs
new file mode 100644
index 0000000..fa3629c
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBType.DataSet.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udb支持的类型信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_type.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBTypeDataSet
+    {
+        /// <summary>
+        /// DB类型id 
+        ///     <para>
+        ///     mysql/mongodb按版本细分各有一个id1：mysql-5.5，2：mysql-5.1，3：percona-5.54：mongodb-2.4，5：mongodb-2.6，6：mysql-5.6，7：percona-5.6
+        ///     </para>                 
+        /// </summary>
+        public string DBTypeId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBTypeRequest.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBTypeRequest.cs
new file mode 100644
index 0000000..f42193c
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBTypeRequest.cs
@@ -0,0 +1,45 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udb支持的类型信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_type.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBTypeRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeUDBType";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeUDBType
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeUDBTypeRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        public DescribeUDBTypeRequest(string region)
+        {               
+            Region = region;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/DescribeUDBTypeResponse.cs b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBTypeResponse.cs
new file mode 100644
index 0000000..961e556
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/DescribeUDBTypeResponse.cs
@@ -0,0 +1,24 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udb支持的类型信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/describe_udb_type.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDBTypeResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// DB类型列表                
+        /// </summary>
+        public List<DescribeUDBTypeDataSet> DataSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/EditUDBBackupBlacklistRequest.cs b/UCloudSDK.NetCore2/Models/UDB/EditUDBBackupBlacklistRequest.cs
new file mode 100644
index 0000000..8cd22d7
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/EditUDBBackupBlacklistRequest.cs
@@ -0,0 +1,67 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 编辑udb实例的备份黑名单
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/edit_udb_backup_blacklist.html
+    ///     </para>
+    /// </summary>
+    public partial class EditUDBBackupBlacklistRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "EditUDBBackupBlacklist";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     EditUDBBackupBlacklist
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// DB实例Id                
+        /// </summary>
+        public string DBId { get; set; }
+
+        /// <summary>
+        /// 黑名单 
+        ///     <para>
+        ///     规范示例abc.%;user.%;city.address;
+        ///     </para>                 
+        /// </summary>
+        public string Blacklist { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="EditUDBBackupBlacklistRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="dbid">DB实例Id</param>                    
+        /// <param name="blacklist">黑名单</param>                    
+        public EditUDBBackupBlacklistRequest(string region, string dbid, string blacklist)
+        {               
+            Region = region;
+            DBId = dbid;
+            Blacklist = blacklist;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/EditUDBBackupBlacklistResponse.cs b/UCloudSDK.NetCore2/Models/UDB/EditUDBBackupBlacklistResponse.cs
new file mode 100644
index 0000000..3e36b51
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/EditUDBBackupBlacklistResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 编辑udb实例的备份黑名单
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/edit_udb_backup_blacklist.html
+    ///     </para>
+    /// </summary>
+    public partial class EditUDBBackupBlacklistResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/ModifyUDBInstanceNameRequest.cs b/UCloudSDK.NetCore2/Models/UDB/ModifyUDBInstanceNameRequest.cs
new file mode 100644
index 0000000..7d0db14
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/ModifyUDBInstanceNameRequest.cs
@@ -0,0 +1,64 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 重命名udb实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/modify_udb_instance_name.html
+    ///     </para>
+    /// </summary>
+    public partial class ModifyUDBInstanceNameRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "ModifyUDBInstanceName";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     ModifyUDBInstanceName
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例的Id                
+        /// </summary>
+        public string DBId { get; set; }
+
+        /// <summary>
+        /// 实例的新名字                
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="ModifyUDBInstanceNameRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="dbid">实例的Id</param>                    
+        /// <param name="name">实例的新名字</param>                    
+        public ModifyUDBInstanceNameRequest(string region, string dbid, string name)
+        {               
+            Region = region;
+            DBId = dbid;
+            Name = name;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/ModifyUDBInstanceNameResponse.cs b/UCloudSDK.NetCore2/Models/UDB/ModifyUDBInstanceNameResponse.cs
new file mode 100644
index 0000000..c2e360d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/ModifyUDBInstanceNameResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 重命名udb实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/modify_udb_instance_name.html
+    ///     </para>
+    /// </summary>
+    public partial class ModifyUDBInstanceNameResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/PromoteUDBSlaveRequest.cs b/UCloudSDK.NetCore2/Models/UDB/PromoteUDBSlaveRequest.cs
new file mode 100644
index 0000000..9c151f6
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/PromoteUDBSlaveRequest.cs
@@ -0,0 +1,65 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 从库提升为独立库
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/promote_udb_slave.html
+    ///     </para>
+    /// </summary>
+    public partial class PromoteUDBSlaveRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "PromoteUDBSlave";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     PromoteUDBSlave
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例的Id                
+        /// </summary>
+        public string DBId { get; set; }
+
+        /// <summary>
+        /// 是否强制(如果从库落后可能会禁止提升) 
+        ///     <para>
+        ///     默认false如果落后情况下，强制提升丢失数据
+        ///     </para>                 
+        /// </summary>
+        public bool? IsForce { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="PromoteUDBSlaveRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="dbid">实例的Id</param>                    
+        public PromoteUDBSlaveRequest(string region, string dbid)
+        {               
+            Region = region;
+            DBId = dbid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/PromoteUDBSlaveResponse.cs b/UCloudSDK.NetCore2/Models/UDB/PromoteUDBSlaveResponse.cs
new file mode 100644
index 0000000..6bab529
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/PromoteUDBSlaveResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 从库提升为独立库
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/promote_udb_slave.html
+    ///     </para>
+    /// </summary>
+    public partial class PromoteUDBSlaveResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/RestartUDBInstanceRequest.cs b/UCloudSDK.NetCore2/Models/UDB/RestartUDBInstanceRequest.cs
new file mode 100644
index 0000000..5d01b1d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/RestartUDBInstanceRequest.cs
@@ -0,0 +1,57 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 重启udb实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/restart_udb_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class RestartUDBInstanceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "RestartUDBInstance";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     RestartUDBInstance
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例的Id                
+        /// </summary>
+        public string DBId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="RestartUDBInstanceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="dbid">实例的Id</param>                    
+        public RestartUDBInstanceRequest(string region, string dbid)
+        {               
+            Region = region;
+            DBId = dbid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/RestartUDBInstanceResponse.cs b/UCloudSDK.NetCore2/Models/UDB/RestartUDBInstanceResponse.cs
new file mode 100644
index 0000000..9ea28bd
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/RestartUDBInstanceResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 重启udb实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/restart_udb_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class RestartUDBInstanceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/StartUDBInstanceRequest.cs b/UCloudSDK.NetCore2/Models/UDB/StartUDBInstanceRequest.cs
new file mode 100644
index 0000000..9bcd9c3
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/StartUDBInstanceRequest.cs
@@ -0,0 +1,57 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 启动udb实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/start_udb_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class StartUDBInstanceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "StartUDBInstance";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     StartUDBInstance
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例的Id                
+        /// </summary>
+        public string DBId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="StartUDBInstanceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="dbid">实例的Id</param>                    
+        public StartUDBInstanceRequest(string region, string dbid)
+        {               
+            Region = region;
+            DBId = dbid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/StartUDBInstanceResponse.cs b/UCloudSDK.NetCore2/Models/UDB/StartUDBInstanceResponse.cs
new file mode 100644
index 0000000..bb13812
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/StartUDBInstanceResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 启动udb实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/start_udb_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class StartUDBInstanceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/StopUDBInstanceRequest.cs b/UCloudSDK.NetCore2/Models/UDB/StopUDBInstanceRequest.cs
new file mode 100644
index 0000000..f5eba08
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/StopUDBInstanceRequest.cs
@@ -0,0 +1,57 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 关闭udb实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/stop_udb_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class StopUDBInstanceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "StopUDBInstance";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     StopUDBInstance
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例的Id                
+        /// </summary>
+        public string DBId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="StopUDBInstanceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="dbid">实例的Id</param>                    
+        public StopUDBInstanceRequest(string region, string dbid)
+        {               
+            Region = region;
+            DBId = dbid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/StopUDBInstanceResponse.cs b/UCloudSDK.NetCore2/Models/UDB/StopUDBInstanceResponse.cs
new file mode 100644
index 0000000..ebd9ef2
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/StopUDBInstanceResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 关闭udb实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/stop_udb_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class StopUDBInstanceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/UpdateUDBParamGroupRequest.cs b/UCloudSDK.NetCore2/Models/UDB/UpdateUDBParamGroupRequest.cs
new file mode 100644
index 0000000..68e9cdd
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/UpdateUDBParamGroupRequest.cs
@@ -0,0 +1,74 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 更新udb配置参数项
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/update_udb_param_group.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateUDBParamGroupRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "UpdateUDBParamGroup";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     UpdateUDBParamGroup
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// 配置参数组id 
+        ///     <para>
+        ///     使用DescribeUDBParamGroup获得
+        ///     </para>                 
+        /// </summary>
+        public int GroupId { get; set; }
+
+        /// <summary>
+        /// 参数名称                
+        /// </summary>
+        public string Key { get; set; }
+
+        /// <summary>
+        /// 参数值                
+        /// </summary>
+        public string Value { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="UpdateUDBParamGroupRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="groupid">配置参数组id</param>                    
+        /// <param name="key">参数名称</param>                    
+        /// <param name="value">参数值</param>                    
+        public UpdateUDBParamGroupRequest(string region, int groupid, string key, string value)
+        {               
+            Region = region;
+            GroupId = groupid;
+            Key = key;
+            Value = value;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/UpdateUDBParamGroupResponse.cs b/UCloudSDK.NetCore2/Models/UDB/UpdateUDBParamGroupResponse.cs
new file mode 100644
index 0000000..ae313df
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/UpdateUDBParamGroupResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 更新udb配置参数项
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/update_udb_param_group.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateUDBParamGroupResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/UploadUDBParamGroupRequest.cs b/UCloudSDK.NetCore2/Models/UDB/UploadUDBParamGroupRequest.cs
new file mode 100644
index 0000000..f20dc49
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/UploadUDBParamGroupRequest.cs
@@ -0,0 +1,92 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 导入udb配置
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/upload_udb_param_group.html
+    ///     </para>
+    /// </summary>
+    public partial class UploadUDBParamGroupRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "UploadUDBParamGroup";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     UploadUDBParamGroup
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     请参见数据中心RegionList
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public int? ProjectId { get; set; }
+
+        /// <summary>
+        /// DB类型id 
+        ///     <para>
+        ///     mysql/mongodb按版本细分各有一个id1：mysql-5.5，2：mysql-5.1，3：percona-5.54：mongodb-2.4，5：mongodb-2.6，6：mysql-5.6，7：percona-5.6
+        ///     </para>                 
+        /// </summary>
+        public string DBTypeId { get; set; }
+
+        /// <summary>
+        /// 配置参数组名称                
+        /// </summary>
+        public string GroupName { get; set; }
+
+        /// <summary>
+        /// 参数组描述                
+        /// </summary>
+        public string Description { get; set; }
+
+        /// <summary>
+        /// 配置内容
+        /// </summary>
+        private string _content;
+        /// <summary>
+        /// 配置内容 
+        ///     <para>
+        ///     导入的配置内容采用base64编码。mysql只支持[mysqld]段，如：[mysqld]back_log=102character_set_server=utf8......mongodb则不需要带段，如：auth=truemaxConns=2000......
+        ///     </para>                 
+        /// </summary>
+        public string Content
+        {
+            get { return _content; }
+            set { _content = value.ToBase64(); }
+        }
+
+        /// <summary>
+        /// 实例化 <see cref="UploadUDBParamGroupRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="dbtypeid">DB类型id</param>                    
+        /// <param name="groupname">配置参数组名称</param>                    
+        /// <param name="description">参数组描述</param>                    
+        /// <param name="content">配置内容</param>                    
+        public UploadUDBParamGroupRequest(string region, string dbtypeid, string groupname, string description, string content)
+        {               
+            Region = region;
+            DBTypeId = dbtypeid;
+            GroupName = groupname;
+            Description = description;
+            Content = content;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDB/UploadUDBParamGroupResponse.cs b/UCloudSDK.NetCore2/Models/UDB/UploadUDBParamGroupResponse.cs
new file mode 100644
index 0000000..6d04265
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDB/UploadUDBParamGroupResponse.cs
@@ -0,0 +1,22 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 导入udb配置
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udb/upload_udb_param_group.html
+    ///     </para>
+    /// </summary>
+    public partial class UploadUDBParamGroupResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 配置参数组id                
+        /// </summary>
+        public int GroupId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/AttachUdiskRequest.cs b/UCloudSDK.NetCore2/Models/UDisk/AttachUdiskRequest.cs
new file mode 100644
index 0000000..08c68d5
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/AttachUdiskRequest.cs
@@ -0,0 +1,64 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 将一个可用的UDisk挂载到某台主机上，当UDisk挂载成功后，还需要在主机内部进行文件系统操作
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/attach_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class AttachUDiskRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "AttachUDisk";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     AttachUDisk
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///      参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 需要挂载的UDisk实例ID                
+        /// </summary>
+        public string UDiskId { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public string ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="AttachUDiskRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="uhostid">UHost实例ID</param>                    
+        /// <param name="udiskid">需要挂载的UDisk实例ID</param>                    
+        public AttachUDiskRequest(string region, string uhostid, string udiskid)
+        {               
+            Region = region;
+            UHostId = uhostid;
+            UDiskId = udiskid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/AttachUdiskResponse.cs b/UCloudSDK.NetCore2/Models/UDisk/AttachUdiskResponse.cs
new file mode 100644
index 0000000..e87e2cb
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/AttachUdiskResponse.cs
@@ -0,0 +1,30 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 将一个可用的UDisk挂载到某台主机上，当UDisk挂载成功后，还需要在主机内部进行文件系统操作
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/attach_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class AttachUDiskResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     AttachUdiskResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 挂载的UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 挂载的UDisk实例ID                
+        /// </summary>
+        public string UDiskId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/CloneUDiskRequest.cs b/UCloudSDK.NetCore2/Models/UDisk/CloneUDiskRequest.cs
new file mode 100644
index 0000000..aa8c843
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/CloneUDiskRequest.cs
@@ -0,0 +1,98 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 从UDisk创建UDisk克隆
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/clone_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class CloneUDiskRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CloneUDisk";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CloneUDisk
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///      参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 实例名称                
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 克隆父Disk的Id                
+        /// </summary>
+        public string SourceId { get; set; }
+
+        /// <summary>
+        /// 磁盘大小 
+        ///     <para>
+        ///      单位:GB, 范围[1~1000]
+        ///     </para>                 
+        /// </summary>
+        public int Size { get; set; }
+
+        /// <summary>
+        /// 使用的代金券id                
+        /// </summary>
+        public string CouponId { get; set; }
+
+        /// <summary>
+        /// Disk注释                
+        /// </summary>
+        public string Comment { get; set; }
+
+        /// <summary>
+        /// Year  
+        ///     <para>
+        ///      Month, Dynamic 默认: Dynamic
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 购买时长 默认 
+        ///     <para>
+        ///      1
+        ///     </para>                 
+        /// </summary>
+        public int? Quantity { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public string ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CloneUDiskRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="sourceid">克隆父Disk的Id</param>                    
+        /// <param name="size">磁盘大小</param>                    
+        public CloneUDiskRequest(string region, string sourceid, int size)
+        {               
+            Region = region;
+            SourceId = sourceid;
+            Size = size;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/CloneUDiskResponse.cs b/UCloudSDK.NetCore2/Models/UDisk/CloneUDiskResponse.cs
new file mode 100644
index 0000000..c5328f3
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/CloneUDiskResponse.cs
@@ -0,0 +1,22 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 从UDisk创建UDisk克隆
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/clone_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class CloneUDiskResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 创建UDisk Id                
+        /// </summary>
+        public string UDiskId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/CloneUDiskSnapshotRequest.cs b/UCloudSDK.NetCore2/Models/UDisk/CloneUDiskSnapshotRequest.cs
new file mode 100644
index 0000000..0934a66
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/CloneUDiskSnapshotRequest.cs
@@ -0,0 +1,93 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 从快照创建UDisk克隆
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/clone_udisk_snapshot.html
+    ///     </para>
+    /// </summary>
+    public partial class CloneUDiskSnapshotRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CloneUDiskSnapshot";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CloneUDiskSnapshot
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }  
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///      参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 实例名称                
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 克隆父Snapshot的Id                
+        /// </summary>
+        public string SourceId { get; set; }
+
+        /// <summary>
+        /// 磁盘大小 
+        ///     <para>
+        ///      单位:GB, 范围[1~1000]
+        ///     </para>                 
+        /// </summary>
+        public int Size { get; set; }
+
+        /// <summary>
+        /// 使用的代金券id                
+        /// </summary>
+        public string CouponId { get; set; }
+
+        /// <summary>
+        /// Disk注释                
+        /// </summary>
+        public string Comment { get; set; }
+
+        /// <summary>
+        /// Year  
+        ///     <para>
+        ///      Month, Dynamic 默认: Dynamic
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 购买时长 默认 
+        ///     <para>
+        ///      1
+        ///     </para>                 
+        /// </summary>
+        public int? Quantity { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CloneUDiskSnapshotRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="sourceid">克隆父Snapshot的Id</param>                    
+        /// <param name="size">磁盘大小</param>                    
+        public CloneUDiskSnapshotRequest(string region, string sourceid, int size)
+        {               
+            Region = region;
+            SourceId = sourceid;
+            Size = size;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/CloneUDiskSnapshotResponse.cs b/UCloudSDK.NetCore2/Models/UDisk/CloneUDiskSnapshotResponse.cs
new file mode 100644
index 0000000..f1c36c9
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/CloneUDiskSnapshotResponse.cs
@@ -0,0 +1,22 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 从快照创建UDisk克隆
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/clone_udisk_snapshot.html
+    ///     </para>
+    /// </summary>
+    public partial class CloneUDiskSnapshotResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 创建UDisk Id                
+        /// </summary>
+        public string UDiskId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/CreateUDiskRequest.cs b/UCloudSDK.NetCore2/Models/UDisk/CreateUDiskRequest.cs
new file mode 100644
index 0000000..414d50b
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/CreateUDiskRequest.cs
@@ -0,0 +1,88 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建UDisk磁盘
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/create_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUDiskRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreateUDisk";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreateUDisk
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+
+        /// <summary>
+        /// 数数据中心 
+        ///     <para>
+        ///      参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 磁盘大小 
+        ///     <para>
+        ///      单位:GB, 范围[1~1000]
+        ///     </para>                 
+        /// </summary>
+        public int Size { get; set; }
+
+        /// <summary>
+        /// 实例名称                
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 使用的代金券id                
+        /// </summary>
+        public string CouponId { get; set; }
+
+        /// <summary>
+        /// Year  
+        ///     <para>
+        ///      Month, Dynamic, Trial 默认: Dynamic
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 购买时长 默认 
+        ///     <para>
+        ///      1
+        ///     </para>                 
+        /// </summary>
+        public int? Quantity { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public string ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreateUDiskRequest" /> 类.
+        /// </summary>
+        /// <param name="region">数数据中心</param>
+        /// <param name="name">硬盘名称.</param>
+        /// <param name="size">磁盘大小</param>
+        public CreateUDiskRequest(string region,string name, int size)
+        {
+            Region = region;
+            Name = name;
+            Size = size;
+        }
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/CreateUDiskResponse.cs b/UCloudSDK.NetCore2/Models/UDisk/CreateUDiskResponse.cs
new file mode 100644
index 0000000..ac6714f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/CreateUDiskResponse.cs
@@ -0,0 +1,22 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建UDisk磁盘
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/create_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUDiskResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// UDisk实例Id                
+        /// </summary>
+        public string UDiskId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/CreateUDiskSnapshotRequest.cs b/UCloudSDK.NetCore2/Models/UDisk/CreateUDiskSnapshotRequest.cs
new file mode 100644
index 0000000..7a7ea38
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/CreateUDiskSnapshotRequest.cs
@@ -0,0 +1,87 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建snapshot快照
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/create_udisk_snapshot.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUDiskSnapshotRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreateUDiskSnapshot";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreateUDiskSnapshot
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///      参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 快照的UDisk的Id                
+        /// </summary>
+        public string UDiskId { get; set; }
+
+        /// <summary>
+        /// 快照名称                
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 付费方式  
+        ///     <para>
+        ///      Year,Month, Dynamic 默认: Dynamic
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 购买时长 默认 
+        ///     <para>
+        ///      1
+        ///     </para>                 
+        /// </summary>
+        public int? Quantity { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public string ProjectId { get; set; }
+
+        /// <summary>
+        /// 快照描述                
+        /// </summary>
+        public string Comment { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreateUDiskSnapshotRequest" /> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>
+        /// <param name="udiskid">快照的UDisk的Id</param>
+        /// <param name="name">快照名称.</param>
+        /// <param name="comment">快照描述.</param>
+        public CreateUDiskSnapshotRequest(string region, string udiskid,string name,string comment)
+        {               
+            Region = region;
+            UDiskId = udiskid;
+            Name = name;
+            Comment = comment;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/CreateUDiskSnapshotResponse.cs b/UCloudSDK.NetCore2/Models/UDisk/CreateUDiskSnapshotResponse.cs
new file mode 100644
index 0000000..30738f2
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/CreateUDiskSnapshotResponse.cs
@@ -0,0 +1,22 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建snapshot快照
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/create_udisk_snapshot.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUDiskSnapshotResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 快照Id                
+        /// </summary>
+        public string SnapshotId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DeleteUDiskRequest.cs b/UCloudSDK.NetCore2/Models/UDisk/DeleteUDiskRequest.cs
new file mode 100644
index 0000000..d52952a
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DeleteUDiskRequest.cs
@@ -0,0 +1,57 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除UDisk
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/delete_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteUDiskRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DeleteUDisk";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DeleteUDisk
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///      参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 要删除的UDisk的Id                
+        /// </summary>
+        public string UDiskId { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public string ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DeleteUDiskRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="udiskid">要删除的UDisk的Id</param>                    
+        public DeleteUDiskRequest(string region, string udiskid)
+        {               
+            Region = region;
+            UDiskId = udiskid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DeleteUDiskResponse.cs b/UCloudSDK.NetCore2/Models/UDisk/DeleteUDiskResponse.cs
new file mode 100644
index 0000000..b020195
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DeleteUDiskResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除UDisk
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/delete_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteUDiskResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DeleteUDiskSnapshotRequest.cs b/UCloudSDK.NetCore2/Models/UDisk/DeleteUDiskSnapshotRequest.cs
new file mode 100644
index 0000000..7d2385f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DeleteUDiskSnapshotRequest.cs
@@ -0,0 +1,57 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 销毁Snapshot
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/delete_udisk_snapshot.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteUDiskSnapshotRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DeleteUDiskSnapshot";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DeleteUDiskSnapshot
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///      参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 快照Id                
+        /// </summary>
+        public string SnapshotId { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public string ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DeleteUDiskSnapshotRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="snapshotid">快照Id</param>                    
+        public DeleteUDiskSnapshotRequest(string region, string snapshotid)
+        {               
+            Region = region;
+            SnapshotId = snapshotid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DeleteUDiskSnapshotResponse.cs b/UCloudSDK.NetCore2/Models/UDisk/DeleteUDiskSnapshotResponse.cs
new file mode 100644
index 0000000..505738a
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DeleteUDiskSnapshotResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 销毁Snapshot
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/delete_udisk_snapshot.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteUDiskSnapshotResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DescribeUDisk.DataSet.cs b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDisk.DataSet.cs
new file mode 100644
index 0000000..58ed78d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDisk.DataSet.cs
@@ -0,0 +1,73 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取UDisk实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/describe_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDiskDataSet
+    {
+        /// <summary>
+        /// UDisk实例Id                
+        /// </summary>
+        public string UDiskId { get; set; }
+
+        /// <summary>
+        /// 实例名称                
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 容量单位GB                
+        /// </summary>
+        public string Size { get; set; }
+
+        /// <summary>
+        /// 状态 
+        ///     <para>
+        ///     Available(可用),Attaching(挂载中),InUse(已挂载),Detaching(卸载中),
+        ///     </para>                 
+        /// </summary>
+        public string Status { get; set; }
+
+        /// <summary>
+        /// 创建时间                
+        /// </summary>
+        public int CreateTime { get; set; }
+
+        /// <summary>
+        /// 过期时间                
+        /// </summary>
+        public int ExpiredTime { get; set; }
+
+        /// <summary>
+        /// 挂载的UHost的Id                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 挂载的UHost的Name                
+        /// </summary>
+        public string UHostName { get; set; }
+
+        /// <summary>
+        /// 挂载的UHost的IP                
+        /// </summary>
+        public string UHostIP { get; set; }
+
+        /// <summary>
+        /// 挂载的设备名称                
+        /// </summary>
+        public string DeviceName { get; set; }
+
+        /// <summary>
+        /// Year 
+        ///     <para>
+        ///     Month,Dynamic,Trial
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskPrice.DataSet.cs b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskPrice.DataSet.cs
new file mode 100644
index 0000000..8c93b8c
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskPrice.DataSet.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udisk实例价格信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/describe_udisk_price.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDiskPriceDataSet
+    {
+        /// <summary>
+        /// Year 
+        ///     <para>
+        ///      Month， Dynamic，Trial
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 价格                
+        /// </summary>
+        public float Price { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskPriceRequest.cs b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskPriceRequest.cs
new file mode 100644
index 0000000..f49f789
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskPriceRequest.cs
@@ -0,0 +1,76 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udisk实例价格信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/describe_udisk_price.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDiskPriceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeUDiskPrice";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeUDiskPrice
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///      参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 购买UDisk大小 
+        ///     <para>
+        ///     单位:GB,范围[1~1000]
+        ///     </para>                 
+        /// </summary>
+        public int Size { get; set; }
+
+        /// <summary>
+        /// Year 
+        ///     <para>
+        ///      Month， Dynamic，Trial，默认: Dynamic如果不指定，则一次性获取三种计费
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 购买UDisk的时长 
+        ///     <para>
+        ///     默认值为1
+        ///     </para>                 
+        /// </summary>
+        public int? Quantity { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public string ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeUDiskPriceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="size">购买UDisk大小</param>                    
+        public DescribeUDiskPriceRequest(string region, int size)
+        {               
+            Region = region;
+            Size = size;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskPriceResponse.cs b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskPriceResponse.cs
new file mode 100644
index 0000000..baacce8
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskPriceResponse.cs
@@ -0,0 +1,24 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udisk实例价格信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/describe_udisk_price.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDiskPriceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 价格                
+        /// </summary>
+        public List<DescribeUDiskPriceDataSet> DataSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskRequest.cs b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskRequest.cs
new file mode 100644
index 0000000..cf359bf
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskRequest.cs
@@ -0,0 +1,71 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取UDisk实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/describe_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDiskRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeUDisk";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeUDisk
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///      参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UDisk Id(留空返回全部)                
+        /// </summary>
+        public string UDiskId { get; set; }
+
+        /// <summary>
+        /// 数据偏移量 
+        ///     <para>
+        ///      默认为0
+        ///     </para>                 
+        /// </summary>
+        public int? Offset { get; set; }
+
+        /// <summary>
+        /// 返回数据长度 
+        ///     <para>
+        ///      默认为20
+        ///     </para>                 
+        /// </summary>
+        public int? Limit { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public string ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeUDiskRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        public DescribeUDiskRequest(string region)
+        {               
+            Region = region;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskResponse.cs b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskResponse.cs
new file mode 100644
index 0000000..e417e16
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskResponse.cs
@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取UDisk实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/describe_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDiskResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// JSON 格式的UDisk数据列表 
+        ///     <para>
+        ///      每项参数可见下面 ResponseItem
+        ///     </para>                 
+        /// </summary>
+        public List<DescribeUDiskDataSet> DataSet { get; set; }
+
+        /// <summary>
+        /// 根据过滤条件得到的总数                
+        /// </summary>
+        public int TotalCount { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskSnapshot.Response.cs b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskSnapshot.Response.cs
new file mode 100644
index 0000000..ac67193
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskSnapshot.Response.cs
@@ -0,0 +1,60 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取UDisk快照
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/describe_udisk_snapshot.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDiskSnapshotResponse
+    {
+        /// <summary>
+        /// 快照Id                
+        /// </summary>
+        public string SnapshotId { get; set; }
+
+        /// <summary>
+        /// 快照名称                
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 快照的源UDisk的Id                
+        /// </summary>
+        public string UDiskId { get; set; }
+
+        /// <summary>
+        /// 快照的源UDisk的Name                
+        /// </summary>
+        public string UDiskName { get; set; }
+
+        /// <summary>
+        /// 创建时间                
+        /// </summary>
+        public int CreateTime { get; set; }
+
+        /// <summary>
+        /// 过期时间                
+        /// </summary>
+        public int ExpiredTime { get; set; }
+
+        /// <summary>
+        /// Year 
+        ///     <para>
+        ///     Month,Dynamic,Trial
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 容量单位GB                
+        /// </summary>
+        public int Size { get; set; }
+
+        /// <summary>
+        /// 快照描述                
+        /// </summary>
+        public string Comment { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskSnapshotRequest.cs b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskSnapshotRequest.cs
new file mode 100644
index 0000000..cb6e6e2
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskSnapshotRequest.cs
@@ -0,0 +1,71 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取UDisk快照
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/describe_udisk_snapshot.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDiskSnapshotRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeUDiskSnapshot";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeUDiskSnapshot
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///      参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UDisk快照Id(留空返回全部)                
+        /// </summary>
+        public string SnapshotId { get; set; }
+
+        /// <summary>
+        /// 数据偏移量 
+        ///     <para>
+        ///      默认为0
+        ///     </para>                 
+        /// </summary>
+        public int? Offset { get; set; }
+
+        /// <summary>
+        /// 返回数据长度 
+        ///     <para>
+        ///      默认为20
+        ///     </para>                 
+        /// </summary>
+        public int? Limit { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public string ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeUDiskSnapshotRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        public DescribeUDiskSnapshotRequest(string region)
+        {               
+            Region = region;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskSnapshotResponse.cs b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskSnapshotResponse.cs
new file mode 100644
index 0000000..28e46ff
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskSnapshotResponse.cs
@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取UDisk快照
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/describe_udisk_snapshot.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDiskSnapshotResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// JSON 格式的Snapshot列表 
+        ///     <para>
+        ///      详细参见ResponseItem
+        ///     </para>                 
+        /// </summary>
+        public List<string> DataSet { get; set; }
+
+        /// <summary>
+        /// 根据过滤条件得到的总数                
+        /// </summary>
+        public int TotalCount { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskUpgradePriceRequest.cs b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskUpgradePriceRequest.cs
new file mode 100644
index 0000000..a7a4490
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskUpgradePriceRequest.cs
@@ -0,0 +1,67 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udisk升级价格信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/describe_udisk_upgrade_price.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDiskUpgradePriceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeUDiskUpgradePrice";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeUDiskUpgradePrice
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///      参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 购买UDisk大小 
+        ///     <para>
+        ///     单位:GB,范围[1~1000]
+        ///     </para>                 
+        /// </summary>
+        public int Size { get; set; }
+
+        /// <summary>
+        /// 升级目标UDisk ID                
+        /// </summary>
+        public string SourceId { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public string ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeUDiskUpgradePriceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>             
+        /// <param name="sourceid">升级目标UDisk ID</param>                    
+        /// <param name="size">购买UDisk大小</param>                           
+        public DescribeUDiskUpgradePriceRequest(string region, string sourceid, int size)
+        {               
+            Region = region;
+            Size = size;
+            SourceId = sourceid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskUpgradePriceResponse.cs b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskUpgradePriceResponse.cs
new file mode 100644
index 0000000..dd4c3e1
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DescribeUDiskUpgradePriceResponse.cs
@@ -0,0 +1,22 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取udisk升级价格信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/describe_udisk_upgrade_price.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUDiskUpgradePriceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 价格                
+        /// </summary>
+        public float Price { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DetachUDiskRequest.cs b/UCloudSDK.NetCore2/Models/UDisk/DetachUDiskRequest.cs
new file mode 100644
index 0000000..45730b0
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DetachUDiskRequest.cs
@@ -0,0 +1,64 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 卸载某个已经挂载在指定UHost实例上的UDisk
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/detach_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class DetachUDiskRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DetachUDisk";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DetachUDisk
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///      参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 需要卸载的UDisk实例ID                
+        /// </summary>
+        public string UDiskId { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public string ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DetachUDiskRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="uhostid">UHost实例ID</param>                    
+        /// <param name="udiskid">需要卸载的UDisk实例ID</param>                    
+        public DetachUDiskRequest(string region, string uhostid, string udiskid)
+        {               
+            Region = region;
+            UHostId = uhostid;
+            UDiskId = udiskid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/DetachUDiskResponse.cs b/UCloudSDK.NetCore2/Models/UDisk/DetachUDiskResponse.cs
new file mode 100644
index 0000000..948e854
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/DetachUDiskResponse.cs
@@ -0,0 +1,30 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 卸载某个已经挂载在指定UHost实例上的UDisk
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/detach_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class DetachUDiskResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     DetachUdiskResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 卸载的UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 卸载的UDisk实例ID                
+        /// </summary>
+        public string UDiskId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/RenameUDiskRequest.cs b/UCloudSDK.NetCore2/Models/UDisk/RenameUDiskRequest.cs
new file mode 100644
index 0000000..546450d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/RenameUDiskRequest.cs
@@ -0,0 +1,64 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 重命名UDisk
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/rename_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class RenameUDiskRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "RenameUDisk";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     RenameUDisk
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///      参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 重命名的UDisk的Id                
+        /// </summary>
+        public string UDiskId { get; set; }
+
+        /// <summary>
+        /// 重命名UDisk的name                
+        /// </summary>
+        public string UDiskName { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public string ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="RenameUDiskRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="udiskid">重命名的UDisk的Id</param>                    
+        /// <param name="udiskname">重命名UDisk的name</param>                    
+        public RenameUDiskRequest(string region, string udiskid, string udiskname)
+        {               
+            Region = region;
+            UDiskId = udiskid;
+            UDiskName = udiskname;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/RenameUDiskResponse.cs b/UCloudSDK.NetCore2/Models/UDisk/RenameUDiskResponse.cs
new file mode 100644
index 0000000..89340b5
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/RenameUDiskResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 重命名UDisk
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/rename_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class RenameUDiskResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/ResizeUDiskRequest.cs b/UCloudSDK.NetCore2/Models/UDisk/ResizeUDiskRequest.cs
new file mode 100644
index 0000000..f7ff850
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/ResizeUDiskRequest.cs
@@ -0,0 +1,72 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 调整UDisk容量
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/resize_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class ResizeUDiskRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "ResizeUDisk";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     ResizeUDisk
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///      参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UDisk Id                
+        /// </summary>
+        public string UDiskId { get; set; }
+
+        /// <summary>
+        /// 调整后大小 
+        ///     <para>
+        ///      单位:GB, 范围[1~1000],只能增大
+        ///     </para>                 
+        /// </summary>
+        public int Size { get; set; }
+
+        /// <summary>
+        /// 使用的代金券id                
+        /// </summary>
+        public string CouponId { get; set; }
+
+        /// <summary>
+        /// 项目编号                
+        /// </summary>
+        public string ProjectId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="ResizeUDiskRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="udiskid">UDisk Id</param>                    
+        /// <param name="size">调整后大小</param>                    
+        public ResizeUDiskRequest(string region, string udiskid, int size)
+        {               
+            Region = region;
+            UDiskId = udiskid;
+            Size = size;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UDisk/ResizeUDiskResponse.cs b/UCloudSDK.NetCore2/Models/UDisk/ResizeUDiskResponse.cs
new file mode 100644
index 0000000..c0bb611
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UDisk/ResizeUDiskResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 调整UDisk容量
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/udisk/resize_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class ResizeUDiskResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/CreateBucketRequest.cs b/UCloudSDK.NetCore2/Models/UFile/CreateBucketRequest.cs
new file mode 100644
index 0000000..d5a847d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/CreateBucketRequest.cs
@@ -0,0 +1,58 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建Bucket
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/create_bucket.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateBucketRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreateBucket";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreateBucket
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 待创建Bucket的名称 
+        ///     <para>
+        ///     BucketName参数将构成域名的一部分(与Bucket默认关联的域名为&lt;BucketName&gt;.ufile.ucloud.cn)，必须具有全局唯一性。 BucketName参数必须符合Bucket名称规范,规范如下: (1) 长度在3~63字节之间； (2) 可以由多个标签组成，各个标签用 . 间隔，每个标签只能包含小字母、数字、连接符（短横线），并且标签的开头和结尾的字符只能是小写字母或数字； (3) 不可以是IP地址。
+        ///     </para>                 
+        /// </summary>
+        public string BucketName { get; set; }
+
+        /// <summary>
+        /// Bucket访问类型 
+        ///     <para>
+        ///     public或private; 默认为private
+        ///     </para>                 
+        /// </summary>
+        public string Type { get; set; }
+
+        /// <summary>
+        /// Bucket的自定义域名                
+        /// </summary>
+        public NList Domain { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreateBucketRequest"/> 类.
+        /// </summary>
+        /// <param name="bucketname">待创建Bucket的名称</param>                    
+        public CreateBucketRequest(string bucketname)
+        {               
+            BucketName = bucketname;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/CreateBucketResponse.cs b/UCloudSDK.NetCore2/Models/UFile/CreateBucketResponse.cs
new file mode 100644
index 0000000..2b3655e
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/CreateBucketResponse.cs
@@ -0,0 +1,27 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建Bucket
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/create_bucket.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateBucketResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 已创建Bucket的名称                
+        /// </summary>
+        public string BucketName { get; set; }
+
+        /// <summary>
+        /// 已创建Bucket的Id                
+        /// </summary>
+        public string BucketId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/DeleteBucketRequest.cs b/UCloudSDK.NetCore2/Models/UFile/DeleteBucketRequest.cs
new file mode 100644
index 0000000..d96ab57
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/DeleteBucketRequest.cs
@@ -0,0 +1,42 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除Bucket
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/delete_bucket.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteBucketRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DeleteBucket";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DeleteBucket
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 待删除Bucket的名称                
+        /// </summary>
+        public string BucketName { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DeleteBucketRequest"/> 类.
+        /// </summary>
+        /// <param name="bucketname">待删除Bucket的名称</param>                    
+        public DeleteBucketRequest(string bucketname)
+        {               
+            BucketName = bucketname;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/DeleteBucketResponse.cs b/UCloudSDK.NetCore2/Models/UFile/DeleteBucketResponse.cs
new file mode 100644
index 0000000..8010d4d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/DeleteBucketResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除Bucket
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/delete_bucket.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteBucketResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/DeleteFileResponse.cs b/UCloudSDK.NetCore2/Models/UFile/DeleteFileResponse.cs
new file mode 100644
index 0000000..147a871
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/DeleteFileResponse.cs
@@ -0,0 +1,12 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除文件
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/delete_file.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteFileResponse : FileResponse
+    {
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/DescribeBucket.DataSet.cs b/UCloudSDK.NetCore2/Models/UFile/DescribeBucket.DataSet.cs
new file mode 100644
index 0000000..63b85a6
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/DescribeBucket.DataSet.cs
@@ -0,0 +1,49 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取Bucket的描述信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/describe_bucket.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeBucketDataSet
+    {
+        /// <summary>
+        /// Bucket名称                
+        /// </summary>
+        public string BucketName { get; set; }
+
+        /// <summary>
+        /// Bucket的Id                
+        /// </summary>
+        public string BucketId { get; set; }
+
+        /// <summary>
+        /// Bucket的域名集合                
+        /// </summary>
+        public List<DescribeBucketDomain> Domain { get; set; }
+
+        /// <summary>
+        /// 与Bucket关联的CND加速域名的ID列表                
+        /// </summary>
+        public List<string> CdnDomainId { get; set; }
+
+        /// <summary>
+        /// Bucket访问类型                
+        /// </summary>
+        public string Type { get; set; }
+
+        /// <summary>
+        /// Bucket的创建时间                
+        /// </summary>
+        public int CreateTime { get; set; }
+
+        /// <summary>
+        /// Bucket的修改时间                
+        /// </summary>
+        public int ModifyTime { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/DescribeBucket.Domain.cs b/UCloudSDK.NetCore2/Models/UFile/DescribeBucket.Domain.cs
new file mode 100644
index 0000000..fba473a
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/DescribeBucket.Domain.cs
@@ -0,0 +1,34 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取Bucket的描述信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/describe_bucket.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeBucketDomain
+    {
+        /// <summary>
+        /// 源站域名                
+        /// </summary>
+        public List<string> Src { get; set; }
+
+        /// <summary>
+        /// UCDN加速域名                
+        /// </summary>
+        public List<string> Cdn { get; set; }
+
+        /// <summary>
+        /// 用户自定义源站域名                
+        /// </summary>
+        public List<string> CustomSrc { get; set; }
+
+        /// <summary>
+        /// 用户自定义CDN加速域名                
+        /// </summary>
+        public List<string> CustomCdn { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/DescribeBucketRequest.cs b/UCloudSDK.NetCore2/Models/UFile/DescribeBucketRequest.cs
new file mode 100644
index 0000000..a597227
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/DescribeBucketRequest.cs
@@ -0,0 +1,53 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取Bucket的描述信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/describe_bucket.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeBucketRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeBucket";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeBucket
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 待获取Bucket的名称 
+        ///     <para>
+        ///     若不提供，则获取所有Bucket
+        ///     </para>                 
+        /// </summary>
+        public string BucketName { get; set; }
+
+        /// <summary>
+        /// 获取所有Bucket列表的偏移数目 
+        ///     <para>
+        ///     默认为0
+        ///     </para>                 
+        /// </summary>
+        public int? Offset { get; set; }
+
+        /// <summary>
+        /// 获取所有Bucket列表的限制数目 
+        ///     <para>
+        ///     默认为20
+        ///     </para>                 
+        /// </summary>
+        public int? Limit { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/DescribeBucketResponse.cs b/UCloudSDK.NetCore2/Models/UFile/DescribeBucketResponse.cs
new file mode 100644
index 0000000..a3dbf6e
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/DescribeBucketResponse.cs
@@ -0,0 +1,24 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取Bucket的描述信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/describe_bucket.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeBucketResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// Bucket的描述信息                
+        /// </summary>
+        public List<DescribeBucketDataSet> DataSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/FileResponse.cs b/UCloudSDK.NetCore2/Models/UFile/FileResponse.cs
new file mode 100644
index 0000000..40c065d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/FileResponse.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using RestSharp;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 对象存储UFile操作的返回对象
+    /// </summary>
+    public partial class FileResponse : ResponseHeader
+    {
+        /// <summary>
+        /// 执行结果代码
+        ///     <para>
+        ///     执行成功与否，0 表示成功，其他值则为错误代码.
+        ///     </para>
+        /// </summary>
+        public int RetCode { get; set; }
+
+        /// <summary>
+        /// 消息.
+        /// </summary>
+        public string ErrMsg { get; set; }
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/FinishMultipartUploadResponse.cs b/UCloudSDK.NetCore2/Models/UFile/FinishMultipartUploadResponse.cs
new file mode 100644
index 0000000..6adc617
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/FinishMultipartUploadResponse.cs
@@ -0,0 +1,27 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 完成分片上传
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/finish_multipart_upload.html
+    ///     </para>
+    /// </summary>
+    public partial class FinishMultipartUploadResponse : FileResponse
+    {
+        /// <summary>
+        /// 已上传文件所属Bucket的名称                
+        /// </summary>
+        public string Bucket { get; set; }
+
+        /// <summary>
+        /// 已上传文件在Bucket中的Key名称                
+        /// </summary>
+        public string Key { get; set; }
+
+        /// <summary>
+        /// 已上传文件的大小                
+        /// </summary>
+        public int FileSize { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/GetFileList.DataSet.cs b/UCloudSDK.NetCore2/Models/UFile/GetFileList.DataSet.cs
new file mode 100644
index 0000000..e64f931
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/GetFileList.DataSet.cs
@@ -0,0 +1,50 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取Bucket的文件列表
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/get_file_list.html
+    ///     </para>
+    /// </summary>
+    public partial class GetFileListDataSet
+    {
+        /// <summary>
+        /// 文件所属Bucket的名称                
+        /// </summary>
+        public string BucketName { get; set; }
+
+        /// <summary>
+        /// Bucket中文件的名称                
+        /// </summary>
+        public string FileName { get; set; }
+
+        /// <summary>
+        /// 文件的哈希值 
+        ///     <para>
+        ///     默认为md5
+        ///     </para>                 
+        /// </summary>
+        public string Hash { get; set; }
+
+        /// <summary>
+        /// 文件的MIME类型                
+        /// </summary>
+        public string MimeType { get; set; }
+
+        /// <summary>
+        /// 文件大小                
+        /// </summary>
+        public int Size { get; set; }
+
+        /// <summary>
+        /// 文件创建时间                
+        /// </summary>
+        public int CreateTime { get; set; }
+
+        /// <summary>
+        /// 文件修改时间                
+        /// </summary>
+        public int ModifyTime { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/GetFileListRequest.cs b/UCloudSDK.NetCore2/Models/UFile/GetFileListRequest.cs
new file mode 100644
index 0000000..a78c4d0
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/GetFileListRequest.cs
@@ -0,0 +1,58 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取Bucket的文件列表
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/get_file_list.html
+    ///     </para>
+    /// </summary>
+    public partial class GetFileListRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "GetFileList";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     GetFileList
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// Bucket名称                
+        /// </summary>
+        public string BucketName { get; set; }
+
+        /// <summary>
+        /// 获取Bucket中文件列表的偏移数目 
+        ///     <para>
+        ///     默认为0
+        ///     </para>                 
+        /// </summary>
+        public string Offset { get; set; }
+
+        /// <summary>
+        /// 获取Bucket中文件列表的限制数目 
+        ///     <para>
+        ///     默认为20
+        ///     </para>                 
+        /// </summary>
+        public string Limit { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="GetFileListRequest"/> 类.
+        /// </summary>
+        /// <param name="bucketname">Bucket名称</param>                    
+        public GetFileListRequest(string bucketname)
+        {               
+            BucketName = bucketname;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/GetFileListResponse.cs b/UCloudSDK.NetCore2/Models/UFile/GetFileListResponse.cs
new file mode 100644
index 0000000..45ed83d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/GetFileListResponse.cs
@@ -0,0 +1,24 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取Bucket的文件列表
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/get_file_list.html
+    ///     </para>
+    /// </summary>
+    public partial class GetFileListResponse : UResponse
+    {
+        /// <summary>
+        /// 动作响应                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// Bucket下的文件列表                
+        /// </summary>
+        public List<GetFileListDataSet> DataSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/GetFileResponse.cs b/UCloudSDK.NetCore2/Models/UFile/GetFileResponse.cs
new file mode 100644
index 0000000..50ebe76
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/GetFileResponse.cs
@@ -0,0 +1,12 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 下载文件
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/get_file.html
+    ///     </para>
+    /// </summary>
+    public partial class GetFileResponse : FileResponse
+    {
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/InitiateMultipartUploadResponse.cs b/UCloudSDK.NetCore2/Models/UFile/InitiateMultipartUploadResponse.cs
new file mode 100644
index 0000000..b8204da
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/InitiateMultipartUploadResponse.cs
@@ -0,0 +1,32 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 初始化分片上传
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/initiate_multipart_upload.html
+    ///     </para>
+    /// </summary>
+    public partial class InitiateMultipartUploadResponse : UResponse
+    {
+        /// <summary>
+        /// 本次分片上传的上传Id                
+        /// </summary>
+        public string UploadId { get; set; }
+
+        /// <summary>
+        /// 分片的块大小                
+        /// </summary>
+        public int BlkSize { get; set; }
+
+        /// <summary>
+        /// 上传文件所属Bucket的名称                
+        /// </summary>
+        public string Bucket { get; set; }
+
+        /// <summary>
+        /// 上传文件在Bucket中的Key名称                
+        /// </summary>
+        public string Key { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/PartFile.cs b/UCloudSDK.NetCore2/Models/UFile/PartFile.cs
new file mode 100644
index 0000000..ea7bae1
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/PartFile.cs
@@ -0,0 +1,68 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 分片文件
+    /// </summary>
+    public partial class PartFile
+    {
+        /// <summary>
+        /// 文件路径.
+        /// </summary>
+        public string FilePath { get; set; }
+
+        /// <summary>
+        /// 签名.
+        /// </summary>
+        public string Auth { get; set; }
+
+        /// <summary>
+        /// 分片的块大小.
+        /// </summary>
+        public int BlkSize { get; set; }
+
+        /// <summary>
+        /// 上传文件在Bucket中的Key名称.
+        /// </summary>
+        public string Key { get; set; }
+
+        /// <summary>
+        /// 上传文件所属Bucket的名称.
+        /// </summary>
+        public string Bucket { get; set; }
+
+        /// <summary>
+        /// 是否为最后一块分片.
+        /// </summary>
+        public bool IsLast { get; set; }
+
+        /// <summary>
+        /// 文件MD5.
+        /// </summary>
+        public string Md5 { get; set; }
+
+        /// <summary>
+        /// 本次分片上传的上传Id.
+        /// </summary>
+        public string UploadId { get; set; }
+
+        /// <summary>
+        /// 分片的Etag列表.
+        /// </summary>
+        public SortedDictionary<int, string> Etags { get; set; }
+
+        /// <summary>
+        /// 分片编号.
+        /// </summary>
+        public int PartNumber { get; set; }
+
+        /// <summary>
+        /// 文件的MIME.
+        /// </summary>
+        public string Mime { get; set; }
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/PostFileRequest.cs b/UCloudSDK.NetCore2/Models/UFile/PostFileRequest.cs
new file mode 100644
index 0000000..7f28683
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/PostFileRequest.cs
@@ -0,0 +1,54 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 表单上传文件
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/post_file.html
+    ///     </para>
+    /// </summary>
+    public partial class PostFileRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "PostFile";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     PostFile
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+
+        /// <summary>
+        /// Bucket中文件的名称                
+        /// </summary>
+        public string FileName { get; set; }
+
+        /// <summary>
+        /// 上传请求的授权签名                
+        /// </summary>
+        public string Authorization { get; set; }
+
+        /// <summary>
+        /// 上传文件本身的MimeType                
+        /// </summary>
+        public string Content__Type { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="PostFileRequest"/> 类.
+        /// </summary>
+        /// <param name="filename">Bucket中文件的名称</param>                    
+        /// <param name="authorization">上传请求的授权签名</param>                    
+        public PostFileRequest(string filename, string authorization)
+        {
+            FileName = filename;
+            Authorization = authorization;
+        }
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/PostFileResponse.cs b/UCloudSDK.NetCore2/Models/UFile/PostFileResponse.cs
new file mode 100644
index 0000000..e56263f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/PostFileResponse.cs
@@ -0,0 +1,12 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 表单上传文件
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/post_file.html
+    ///     </para>
+    /// </summary>
+    public partial class PostFileResponse : FileResponse
+    {
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/PutFileResponse.cs b/UCloudSDK.NetCore2/Models/UFile/PutFileResponse.cs
new file mode 100644
index 0000000..17ff72e
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/PutFileResponse.cs
@@ -0,0 +1,12 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 普通上传文件
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/put_file.html
+    ///     </para>
+    /// </summary>
+    public partial class PutFileResponse : FileResponse
+    {
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/ResponseHeader.cs b/UCloudSDK.NetCore2/Models/UFile/ResponseHeader.cs
new file mode 100644
index 0000000..32e86e3
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/ResponseHeader.cs
@@ -0,0 +1,33 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 对象存储UFile操作后返回的HTTP Header
+    /// </summary>
+    public partial class ResponseHeader
+    {
+        /// <summary>
+        /// 文件哈希值.
+        /// </summary>
+        public string ETag { get; set; }
+
+        /// <summary>
+        /// 会话Id.
+        /// </summary>
+        public string XSessionId { get; set; }
+
+        /// <summary>
+        /// 文件长度.
+        /// </summary>
+        public int ContentLength { get; set; }
+
+        /// <summary>
+        /// 文件类型.
+        /// </summary>
+        public string ContentType { get; set; }
+
+        /// <summary>
+        /// 文件的范围.
+        /// </summary>
+        public string ContentRange { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/UCloudSDK.NetCore2/Models/UFile/UpdateBucketRequest.cs b/UCloudSDK.NetCore2/Models/UFile/UpdateBucketRequest.cs
new file mode 100644
index 0000000..41c22d8
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/UpdateBucketRequest.cs
@@ -0,0 +1,47 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 设置Bucket的属性
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/update_bucket.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateBucketRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "UpdateBucket";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     UpdateBucket
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 待修改Bucket的名称                
+        /// </summary>
+        public string BucketName { get; set; }
+
+        /// <summary>
+        /// Bucket访问类型                
+        /// </summary>
+        public string Type { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="UpdateBucketRequest"/> 类.
+        /// </summary>
+        /// <param name="bucketname">待修改Bucket的名称</param>                    
+        public UpdateBucketRequest(string bucketname)
+        {               
+            BucketName = bucketname;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/UpdateBucketResponse.cs b/UCloudSDK.NetCore2/Models/UFile/UpdateBucketResponse.cs
new file mode 100644
index 0000000..bbf4037
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/UpdateBucketResponse.cs
@@ -0,0 +1,16 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 设置Bucket的属性
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/update_bucket.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateBucketResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/UploadHitRequest.cs b/UCloudSDK.NetCore2/Models/UFile/UploadHitRequest.cs
new file mode 100644
index 0000000..37946d2
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/UploadHitRequest.cs
@@ -0,0 +1,42 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 秒传
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/upload_hit.html
+    ///     </para>
+    /// </summary>
+    public partial class UploadHitRequest
+    {
+        /// <summary>
+        /// 待上传文件的ETag 
+        ///     <para>
+        ///     详见ETag生成文档
+        ///     </para>                 
+        /// </summary>
+        public string Hash { get; set; }
+
+        /// <summary>
+        /// Bucket中文件的名称                
+        /// </summary>
+        public string FileName { get; set; }
+
+        /// <summary>
+        /// 待上传文件的大小                
+        /// </summary>
+        public string FileSize { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="UploadHitRequest"/> 类.
+        /// </summary>
+        /// <param name="hash">待上传文件的ETag</param>                    
+        /// <param name="filename">Bucket中文件的名称</param>                    
+        /// <param name="filesize">待上传文件的大小</param>                    
+        public UploadHitRequest(string hash, string filename, string filesize)
+        {               
+            Hash = hash;
+            FileName = filename;
+            FileSize = filesize;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/UploadHitResponse.cs b/UCloudSDK.NetCore2/Models/UFile/UploadHitResponse.cs
new file mode 100644
index 0000000..11a5748
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/UploadHitResponse.cs
@@ -0,0 +1,12 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 秒传
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/upload_hit.html
+    ///     </para>
+    /// </summary>
+    public partial class UploadHitResponse : FileResponse
+    {
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UFile/UploadPartResponse.cs b/UCloudSDK.NetCore2/Models/UFile/UploadPartResponse.cs
new file mode 100644
index 0000000..4b7282f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UFile/UploadPartResponse.cs
@@ -0,0 +1,17 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 上传文件分片
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ufile/upload_part.html
+    ///     </para>
+    /// </summary>
+    public partial class UploadPartResponse : FileResponse
+    {
+        /// <summary>
+        /// 本次分片上传的分片号码                
+        /// </summary>
+        public int PartNumber { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/AttachUdiskRequest.cs b/UCloudSDK.NetCore2/Models/UHost/AttachUdiskRequest.cs
new file mode 100644
index 0000000..3b84603
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/AttachUdiskRequest.cs
@@ -0,0 +1,13 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 将一个可用的UDisk挂载到某台主机上，当UDisk挂载成功后，还需要在主机内部进行文件系统操作。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/attach_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class AttachUDiskRequest
+    {
+                        
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/AttachUdiskResponse.cs b/UCloudSDK.NetCore2/Models/UHost/AttachUdiskResponse.cs
new file mode 100644
index 0000000..f939419
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/AttachUdiskResponse.cs
@@ -0,0 +1,12 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 将一个可用的UDisk挂载到某台主机上，当UDisk挂载成功后，还需要在主机内部进行文件系统操作。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/attach_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class AttachUDiskResponse : UResponse
+    {
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/CreateCustomImageRequest.cs b/UCloudSDK.NetCore2/Models/UHost/CreateCustomImageRequest.cs
new file mode 100644
index 0000000..bb28be1
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/CreateCustomImageRequest.cs
@@ -0,0 +1,64 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 从指定UHost实例，生成自定义镜像。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/create_custom_image.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateCustomImageRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreateCustomImage";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreateCustomImage
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 镜像名称                
+        /// </summary>
+        public string ImageName { get; set; }
+
+        /// <summary>
+        /// 镜像描述                
+        /// </summary>
+        public string ImageDescription { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreateCustomImageRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="uhostid">UHost实例ID</param>                    
+        /// <param name="imagename">镜像名称</param>                    
+        public CreateCustomImageRequest(string region, string uhostid, string imagename)
+        {               
+            Region = region;
+            UHostId = uhostid;
+            ImageName = imagename;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/CreateCustomImageResponse.cs b/UCloudSDK.NetCore2/Models/UHost/CreateCustomImageResponse.cs
new file mode 100644
index 0000000..5b29471
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/CreateCustomImageResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 从指定UHost实例，生成自定义镜像。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/create_custom_image.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateCustomImageResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     CreateCustomImageResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 镜像Id                
+        /// </summary>
+        public string ImageId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/CreateUHostInstanceRequest.cs b/UCloudSDK.NetCore2/Models/UHost/CreateUHostInstanceRequest.cs
new file mode 100644
index 0000000..d02858f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/CreateUHostInstanceRequest.cs
@@ -0,0 +1,154 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 指定数据中心，根据资源使用量创建指定数量的UHost实例。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/create_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUHostInstanceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreateUHostInstance";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreateUHostInstance
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }  
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///      参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 镜像Id 
+        ///     <para>
+        ///      参见 DescribeImage
+        ///     </para>                 
+        /// </summary>
+        public string ImageId { get; set; }
+
+        /// <summary>
+        /// 认证方式 
+        ///     <para>
+        ///     密码: Password，key: KeyPair（暂不支持）
+        ///     </para>                 
+        /// </summary>
+        public string LoginMode { get; set; }
+
+        /// <summary>
+        /// UHost密码 
+        /// </summary>
+        private string _password;
+
+        /// <summary>
+        /// UHost密码 
+        ///     <para>
+        ///     LoginMode为Password时此项必须
+        ///     </para>                 
+        /// </summary>
+        public string Password
+        {
+            get { return _password; }
+            set { _password = value.ToBase64(); }
+        }
+
+        /// <summary>
+        /// Keyname 
+        ///     <para>
+        ///     LoginMode为KeyPair时此项必须（暂不支持）
+        ///     </para>                 
+        /// </summary>
+        public string KeyPair { get; set; }
+
+        /// <summary>
+        /// 虚拟CPU核数 
+        ///     <para>
+        ///      单位：个，范围：[1,16],最小值为1，其他值是2的倍数， 默认值: 4
+        ///     </para>                 
+        /// </summary>
+        public int? CPU { get; set; }
+
+        /// <summary>
+        /// 内存大小  
+        ///     <para>
+        ///      单位：MB范围[2048,65536]， 步长：2048， 默认值：8192
+        ///     </para>                 
+        /// </summary>
+        public int? Memory { get; set; }
+
+        /// <summary>
+        /// 数据盘大小 
+        ///     <para>
+        ///      单位：GB， 范围[0,1000]，步长：10， 默认值：60
+        ///     </para>                 
+        /// </summary>
+        public int? DiskSpace { get; set; }
+
+        /// <summary>
+        /// UHost实例名称 
+        ///     <para>
+        ///      默认：UHost
+        ///     </para>                 
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 网络Id 
+        ///     <para>
+        ///      默认：基础网络
+        ///     </para>                 
+        /// </summary>
+        public string NetworkId { get; set; }
+
+        /// <summary>
+        /// 防火墙Id 
+        ///     <para>
+        ///      默认：Web防火墙
+        ///     </para>                 
+        /// </summary>
+        public string SecurityGroupId { get; set; }
+
+        /// <summary>
+        /// 计费模式 
+        ///     <para>
+        ///     枚举值为：Year，按年付费；Month，按月付费；Dynamic，按需付费（需开启权限）；Trial，试用（需开启权限）默认为月付
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 购买时长 
+        ///     <para>
+        ///     默认: 1
+        ///     </para>                 
+        /// </summary>
+        public int? Quantity { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreateUHostInstanceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="imageid">镜像Id</param>                    
+        /// <param name="loginmode">认证方式</param>                    
+        public CreateUHostInstanceRequest(string region, string imageid, string loginmode)
+        {               
+            Region = region;
+            ImageId = imageid;
+            LoginMode = loginmode;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/CreateUHostInstanceResponse.cs b/UCloudSDK.NetCore2/Models/UHost/CreateUHostInstanceResponse.cs
new file mode 100644
index 0000000..94d3233
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/CreateUHostInstanceResponse.cs
@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 指定数据中心，根据资源使用量创建指定数量的UHost实例。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/create_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUHostInstanceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     CreateUHostInstanceResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// UHost 实例 Id                
+        /// </summary>
+        public List<string> UHostIds { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/CreateUHostInstanceSnapshotRequest.cs b/UCloudSDK.NetCore2/Models/UHost/CreateUHostInstanceSnapshotRequest.cs
new file mode 100644
index 0000000..0364634
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/CreateUHostInstanceSnapshotRequest.cs
@@ -0,0 +1,52 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 对指定UHost实例制作数据快照。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/create_uhost_instance_snapshot.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUHostInstanceSnapshotRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreateUHostInstanceSnapshot";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreateUHostInstanceSnapshot
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreateUHostInstanceSnapshotRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="uhostid">UHost实例ID</param>                    
+        public CreateUHostInstanceSnapshotRequest(string region, string uhostid)
+        {               
+            Region = region;
+            UHostId = uhostid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/CreateUHostInstanceSnapshotResponse.cs b/UCloudSDK.NetCore2/Models/UHost/CreateUHostInstanceSnapshotResponse.cs
new file mode 100644
index 0000000..46ae534
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/CreateUHostInstanceSnapshotResponse.cs
@@ -0,0 +1,30 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 对指定UHost实例制作数据快照。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/create_uhost_instance_snapshot.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateUHostInstanceSnapshotResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     CreateUHostInstanceSnapshotResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UhostId { get; set; }
+
+        /// <summary>
+        /// 快照名称                
+        /// </summary>
+        public string SnapshotName { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/DescribeImage.ImageSet.cs b/UCloudSDK.NetCore2/Models/UHost/DescribeImage.ImageSet.cs
new file mode 100644
index 0000000..fd44bef
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/DescribeImage.ImageSet.cs
@@ -0,0 +1,61 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取指定数据中心镜像列表，用户可通过指定操作系统类型，镜像Id进行过滤。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/describe_image.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeImageSet
+    {
+        /// <summary>
+        /// 镜像ID                
+        /// </summary>
+        public string ImageId { get; set; }
+
+        /// <summary>
+        /// 镜像名称                
+        /// </summary>
+        public string ImageName { get; set; }
+
+        /// <summary>
+        /// 操作系统类型 
+        ///     <para>
+        ///     Liunx，Windows
+        ///     </para>                 
+        /// </summary>
+        public string OsType { get; set; }
+
+        /// <summary>
+        /// 操作系统名称                
+        /// </summary>
+        public string OsName { get; set; }
+
+        /// <summary>
+        /// 标准镜像 
+        ///     <para>
+        ///     Base，行业镜像：Business，自定义镜像：Custom
+        ///     </para>                 
+        /// </summary>
+        public string ImageType { get; set; }
+
+        /// <summary>
+        /// 镜像状态 
+        ///     <para>
+        ///     可用：Available，制作中：Making，不可用：Unavailable
+        ///     </para>                 
+        /// </summary>
+        public string State { get; set; }
+
+        /// <summary>
+        /// 镜像描述                
+        /// </summary>
+        public string ImageDescription { get; set; }
+
+        /// <summary>
+        /// 创建时间                
+        /// </summary>
+        public int CreateTime { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/DescribeImageRequest.cs b/UCloudSDK.NetCore2/Models/UHost/DescribeImageRequest.cs
new file mode 100644
index 0000000..6fcae7b
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/DescribeImageRequest.cs
@@ -0,0 +1,82 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取指定数据中心镜像列表，用户可通过指定操作系统类型，镜像Id进行过滤。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/describe_image.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeImageRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeImage";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeImage
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 标准镜像 
+        ///     <para>
+        ///     Base，行业镜像：Business，自定义镜像：Custom，默认返回所有类型
+        ///     </para>                 
+        /// </summary>
+        public string ImageType { get; set; }
+
+        /// <summary>
+        /// 操作系统类型 
+        ///     <para>
+        ///     Linux， Windows默认返回所有类型
+        ///     </para>                 
+        /// </summary>
+        public string OsType { get; set; }
+
+        /// <summary>
+        /// 镜像Id                
+        /// </summary>
+        public string ImageId { get; set; }
+
+        /// <summary>
+        /// 数据偏移量 
+        ///     <para>
+        ///     默认为0
+        ///     </para>                 
+        /// </summary>
+        public int? Offset { get; set; }
+
+        /// <summary>
+        /// 返回数据长度 
+        ///     <para>
+        ///     默认为20
+        ///     </para>                 
+        /// </summary>
+        public int? Limit { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeImageRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        public DescribeImageRequest(string region)
+        {               
+            Region = region;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/DescribeImageResponse.cs b/UCloudSDK.NetCore2/Models/UHost/DescribeImageResponse.cs
new file mode 100644
index 0000000..454ca01
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/DescribeImageResponse.cs
@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取指定数据中心镜像列表，用户可通过指定操作系统类型，镜像Id进行过滤。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/describe_image.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeImageResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     DescribeImageResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 满足条件的镜像总数                
+        /// </summary>
+        public int TotalCount { get; set; }
+
+        /// <summary>
+        /// JSON格式的镜像列表                
+        /// </summary>
+        public List<DescribeImageSet> ImageSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstance.DiskSet.cs b/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstance.DiskSet.cs
new file mode 100644
index 0000000..8ce9331
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstance.DiskSet.cs
@@ -0,0 +1,33 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取主机或主机列表信息，并可根据数据中心，主机ID等参数进行过滤。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/describe_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUHostInstanceDiskSet
+    {
+        /// <summary>
+        /// 系统盘 
+        ///     <para>
+        ///      Boot，数据盘: Data，网络盘: Udisk
+        ///     </para>                 
+        /// </summary>
+        public string Type { get; set; }
+
+        /// <summary>
+        /// 磁盘ID                
+        /// </summary>
+        public string DiskId { get; set; }
+
+        /// <summary>
+        /// 磁盘大小 
+        ///     <para>
+        ///     单位: GB
+        ///     </para>                 
+        /// </summary>
+        public int Size { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstance.IPSet.cs b/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstance.IPSet.cs
new file mode 100644
index 0000000..3377f5c
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstance.IPSet.cs
@@ -0,0 +1,38 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取主机或主机列表信息，并可根据数据中心，主机ID等参数进行过滤。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/describe_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUHostInstanceIPSet
+    {
+        /// <summary>
+        /// 电信 
+        ///     <para>
+        ///      China-telecom，联通: China-unicom，国际: Internation，BGP: Bgp，内网: Private双线: Duplet
+        ///     </para>                 
+        /// </summary>
+        public string Type { get; set; }
+
+        /// <summary>
+        /// IP资源ID (内网IP无对应的资源ID)                
+        /// </summary>
+        public string IPId { get; set; }
+
+        /// <summary>
+        /// IP地址                
+        /// </summary>
+        public string IP { get; set; }
+
+        /// <summary>
+        /// IP对应的带宽 
+        ///     <para>
+        ///      单位: Mb (内网IP不显示带宽信息)
+        ///     </para>                 
+        /// </summary>
+        public int bandwidth { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstance.UHostSet.cs b/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstance.UHostSet.cs
new file mode 100644
index 0000000..89eb221
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstance.UHostSet.cs
@@ -0,0 +1,109 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取主机或主机列表信息，并可根据数据中心，主机ID等参数进行过滤。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/describe_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUHostInstanceUHostSet
+    {
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// UHost类型 
+        ///     <para>
+        ///     枚举为：Normal：普通机型；SSD：SSD高性能机型；BD：大数据机型
+        ///     </para>                 
+        /// </summary>
+        public string UHostType { get; set; }
+
+        /// <summary>
+        /// 镜像ID                
+        /// </summary>
+        public string ImageId { get; set; }
+
+        /// <summary>
+        /// 基础镜像ID                
+        /// </summary>
+        public string BasicImageId { get; set; }
+
+        /// <summary>
+        /// 基础镜像名称                
+        /// </summary>
+        public string BasicImageName { get; set; }
+
+        /// <summary>
+        /// 业务组名称                
+        /// </summary>
+        public string Tag { get; set; }
+
+        /// <summary>
+        /// 备注                
+        /// </summary>
+        public string Remark { get; set; }
+
+        /// <summary>
+        /// UHost实例名称                
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 实例状态 
+        ///     <para>
+        ///     初始化: Initializing; 启动中: Starting;运行中: Running; 关机中: Stopping; 关机: Stopped安装失败: Install Fail; 重启中: Rebooting
+        ///     </para>                 
+        /// </summary>
+        public string State { get; set; }
+
+        /// <summary>
+        /// 创建时间                
+        /// </summary>
+        public int CreateTime { get; set; }
+
+        /// <summary>
+        /// 计费模式 
+        ///     <para>
+        ///     枚举值为：Year，按年付费；Month，按月付费；Dynamic，按需付费（需开启权限）；Trial，试用（需开启权限）默认为月付
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 到期时间                
+        /// </summary>
+        public int ExpireTime { get; set; }
+
+        /// <summary>
+        /// 虚拟CPU核数 
+        ///     <para>
+        ///     单位: 个
+        ///     </para>                 
+        /// </summary>
+        public int CPU { get; set; }
+
+        /// <summary>
+        /// 内存大小 
+        ///     <para>
+        ///     单位: MB
+        ///     </para>                 
+        /// </summary>
+        public int Memory { get; set; }
+
+        /// <summary>
+        /// 磁盘信息                
+        /// </summary>
+        public List<DescribeUHostInstanceDiskSet> DiskSet { get; set; }
+
+        /// <summary>
+        /// IP信息                
+        /// </summary>
+        public List<DescribeUHostInstanceIPSet> IPSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstanceRequest.cs b/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstanceRequest.cs
new file mode 100644
index 0000000..5190cce
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstanceRequest.cs
@@ -0,0 +1,69 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取主机或主机列表信息，并可根据数据中心，主机ID等参数进行过滤。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/describe_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUHostInstanceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeUHostInstance";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeUHostInstance
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost主机的资源ID 
+        ///     <para>
+        ///     如果为空，则返回当前Region 所有符合条件的UHost实例
+        ///     </para>                 
+        /// </summary>
+        public NList UHostIds { get; set; }
+
+        /// <summary>
+        /// 数据偏移量 
+        ///     <para>
+        ///     默认为0
+        ///     </para>                 
+        /// </summary>
+        public int? Offset { get; set; }
+
+        /// <summary>
+        /// 返回数据长度 
+        ///     <para>
+        ///     默认为20
+        ///     </para>                 
+        /// </summary>
+        public int? Limit { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeUHostInstanceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        public DescribeUHostInstanceRequest(string region)
+        {               
+            Region = region;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstanceResponse.cs b/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstanceResponse.cs
new file mode 100644
index 0000000..c0c88b3
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstanceResponse.cs
@@ -0,0 +1,35 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取主机或主机列表信息，并可根据数据中心，主机ID等参数进行过滤。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/describe_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUHostInstanceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///      DescribeUHostInstanceResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 满足条件的UHostInstance总数                
+        /// </summary>
+        public int TotalCount { get; set; }
+
+        /// <summary>
+        /// JSON格式的UHost实例列表 
+        ///     <para>
+        ///     每项参数可见下面ResponseItem
+        ///     </para>                 
+        /// </summary>
+        public List<DescribeUHostInstanceUHostSet> UHostSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstanceSnapshot.SnapshotSet.cs b/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstanceSnapshot.SnapshotSet.cs
new file mode 100644
index 0000000..036fc92
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstanceSnapshot.SnapshotSet.cs
@@ -0,0 +1,22 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取已经存在的UHost实例的存储快照列表。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/describe_uhost_instance_snapshot.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUHostInstanceSnapshotSet
+    {
+        /// <summary>
+        /// 快照名称                
+        /// </summary>
+        public string SnapshotName { get; set; }
+
+        /// <summary>
+        /// 快照制作时间                
+        /// </summary>
+        public string SnapshotTime { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstanceSnapshotRequest.cs b/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstanceSnapshotRequest.cs
new file mode 100644
index 0000000..ba06bd7
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstanceSnapshotRequest.cs
@@ -0,0 +1,52 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取已经存在的UHost实例的存储快照列表。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/describe_uhost_instance_snapshot.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUHostInstanceSnapshotRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeUHostInstanceSnapshot";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeUHostInstanceSnapshot
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeUHostInstanceSnapshotRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="uhostid">UHost实例ID</param>                    
+        public DescribeUHostInstanceSnapshotRequest(string region, string uhostid)
+        {               
+            Region = region;
+            UHostId = uhostid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstanceSnapshotResponse.cs b/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstanceSnapshotResponse.cs
new file mode 100644
index 0000000..5f8a50e
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/DescribeUHostInstanceSnapshotResponse.cs
@@ -0,0 +1,35 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取已经存在的UHost实例的存储快照列表。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/describe_uhost_instance_snapshot.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeUHostInstanceSnapshotResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     TerminateUHostInstanceResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UhostId { get; set; }
+
+        /// <summary>
+        /// UHost快照列表 
+        ///     <para>
+        ///     详细参数可见下面SnapshotSet
+        ///     </para>                 
+        /// </summary>
+        public List<DescribeUHostInstanceSnapshotSet> SnapshotSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/DetachUdiskRequest.cs b/UCloudSDK.NetCore2/Models/UHost/DetachUdiskRequest.cs
new file mode 100644
index 0000000..b380b6b
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/DetachUdiskRequest.cs
@@ -0,0 +1,12 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 卸载某个已经挂载在指定UHost实例上的UDisk
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/detach_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class DetachUDiskRequest
+    {
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/DetachUdiskResponse.cs b/UCloudSDK.NetCore2/Models/UHost/DetachUdiskResponse.cs
new file mode 100644
index 0000000..1009ea0
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/DetachUdiskResponse.cs
@@ -0,0 +1,12 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 卸载某个已经挂载在指定UHost实例上的UDisk
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/detach_udisk.html
+    ///     </para>
+    /// </summary>
+    public partial class DetachUDiskResponse : UResponse
+    {
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/GetUHostInstancePrice.PriceSet.cs b/UCloudSDK.NetCore2/Models/UHost/GetUHostInstancePrice.PriceSet.cs
new file mode 100644
index 0000000..eebcd63
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/GetUHostInstancePrice.PriceSet.cs
@@ -0,0 +1,28 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 根据UHost实例配置，获取UHost实例的价格。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/get_uhost_instance_price.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUHostInstancePriceSet
+    {
+        /// <summary>
+        /// Year 
+        ///     <para>
+        ///     Month，Dynamic
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 价格 
+        ///     <para>
+        ///     单位: 元，保留小数点后两位有效数字
+        ///     </para>                 
+        /// </summary>
+        public float Price { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/GetUHostInstancePriceRequest.cs b/UCloudSDK.NetCore2/Models/UHost/GetUHostInstancePriceRequest.cs
new file mode 100644
index 0000000..c9880c4
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/GetUHostInstancePriceRequest.cs
@@ -0,0 +1,101 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 根据UHost实例配置，获取UHost实例的价格。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/get_uhost_instance_price.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUHostInstancePriceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "GetUHostInstancePrice";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     GetUHostInstancePrice
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 镜像Id 
+        ///     <para>
+        ///     参见 镜像列表
+        ///     </para>                 
+        /// </summary>
+        public string ImageId { get; set; }
+
+        /// <summary>
+        /// 虚拟CPU核心数 
+        ///     <para>
+        ///     单位: 个，范围: [1,16]，最小值为1，其他值是2的整数倍
+        ///     </para>                 
+        /// </summary>
+        public int CPU { get; set; }
+
+        /// <summary>
+        /// 内存容量大小 
+        ///     <para>
+        ///     单位: MB，范围: [2048,65536]，步长: 2048
+        ///     </para>                 
+        /// </summary>
+        public int Memory { get; set; }
+
+        /// <summary>
+        /// 购买台数 
+        ///     <para>
+        ///     范围[1,5]
+        ///     </para>                 
+        /// </summary>
+        public int Count { get; set; }
+
+        /// <summary>
+        /// Year 
+        ///     <para>
+        ///     Month，Dynamic，默认返回全部计费方式对应的价格
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 数据盘大小 
+        ///     <para>
+        ///     单位: GB，范围[0,1000]，步长: 10，默认值: 0
+        ///     </para>                 
+        /// </summary>
+        public int? DiskSpace { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="GetUHostInstancePriceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="imageid">镜像Id</param>                    
+        /// <param name="cpu">虚拟CPU核心数</param>                    
+        /// <param name="memory">内存容量大小</param>                    
+        /// <param name="count">购买台数</param>                    
+        public GetUHostInstancePriceRequest(string region, string imageid, int cpu, int memory, int count)
+        {               
+            Region = region;
+            ImageId = imageid;
+            CPU = cpu;
+            Memory = memory;
+            Count = count;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/GetUHostInstancePriceResponse.cs b/UCloudSDK.NetCore2/Models/UHost/GetUHostInstancePriceResponse.cs
new file mode 100644
index 0000000..795e0dd
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/GetUHostInstancePriceResponse.cs
@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 根据UHost实例配置，获取UHost实例的价格。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/get_uhost_instance_price.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUHostInstancePriceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     GetUHostInstancePriceResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 价格列表                
+        /// </summary>
+        public List<GetUHostInstancePriceSet> PriceSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/GetUHostInstanceVncInfoRequest.cs b/UCloudSDK.NetCore2/Models/UHost/GetUHostInstanceVncInfoRequest.cs
new file mode 100644
index 0000000..42a7387
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/GetUHostInstanceVncInfoRequest.cs
@@ -0,0 +1,52 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取指定UHost实例的管理VNC配置详细信息。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/get_uhost_instance_vnc_info.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUHostInstanceVncInfoRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "GetUHostInstanceVncInfo";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     GetUHostInstanceVncInfo
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="GetUHostInstanceVncInfoRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="uhostid">UHost实例ID</param>                    
+        public GetUHostInstanceVncInfoRequest(string region, string uhostid)
+        {               
+            Region = region;
+            UHostId = uhostid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/GetUHostInstanceVncInfoResponse.cs b/UCloudSDK.NetCore2/Models/UHost/GetUHostInstanceVncInfoResponse.cs
new file mode 100644
index 0000000..3049c8d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/GetUHostInstanceVncInfoResponse.cs
@@ -0,0 +1,40 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取指定UHost实例的管理VNC配置详细信息。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/get_uhost_instance_vnc_info.html
+    ///     </para>
+    /// </summary>
+    public partial class GetUHostInstanceVncInfoResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     GetUHostInstanceVncInfoResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UhostId { get; set; }
+
+        /// <summary>
+        /// Vnc登录IP                
+        /// </summary>
+        public string VncIP { get; set; }
+
+        /// <summary>
+        /// Vnc登录端口                
+        /// </summary>
+        public int VncPort { get; set; }
+
+        /// <summary>
+        /// Vnc 登录密码                
+        /// </summary>
+        public string VncPassword { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceNameRequest.cs b/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceNameRequest.cs
new file mode 100644
index 0000000..c318d80
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceNameRequest.cs
@@ -0,0 +1,59 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改指定UHost实例名称，需要给出数据中心，UHostId，及新的实例名称。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/modify_uhost_instance_name.html
+    ///     </para>
+    /// </summary>
+    public partial class ModifyUHostInstanceNameRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "ModifyUHostInstanceName";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     ModifyUHostInstanceName
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// UHost实例名称                
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="ModifyUHostInstanceNameRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="uhostid">UHost实例ID</param>                    
+        /// <param name="name">UHost实例名称</param>                    
+        public ModifyUHostInstanceNameRequest(string region, string uhostid, string name)
+        {               
+            Region = region;
+            UHostId = uhostid;
+            Name = name;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceNameResponse.cs b/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceNameResponse.cs
new file mode 100644
index 0000000..44a9b31
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceNameResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改指定UHost实例名称，需要给出数据中心，UHostId，及新的实例名称。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/modify_uhost_instance_name.html
+    ///     </para>
+    /// </summary>
+    public partial class ModifyUHostInstanceNameResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     ModifyUHostInstanceNameResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UhostId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceRemarkRequest.cs b/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceRemarkRequest.cs
new file mode 100644
index 0000000..8015ab2
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceRemarkRequest.cs
@@ -0,0 +1,59 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改指定UHost实例备注信息。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/modify_uhost_instance_remark.html
+    ///     </para>
+    /// </summary>
+    public partial class ModifyUHostInstanceRemarkRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "ModifyUHostInstanceRemark";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     ModifyUHostInstanceRemark
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 备注                
+        /// </summary>
+        public string Remark { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="ModifyUHostInstanceRemarkRequest" /> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>
+        /// <param name="uhostid">UHost实例ID</param>
+        /// <param name="remark">备注.</param>
+        public ModifyUHostInstanceRemarkRequest(string region, string uhostid, string remark)
+        {               
+            Region = region;
+            UHostId = uhostid;
+            Remark = remark;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceRemarkResponse.cs b/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceRemarkResponse.cs
new file mode 100644
index 0000000..659d7dc
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceRemarkResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改指定UHost实例备注信息。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/modify_uhost_instance_remark.html
+    ///     </para>
+    /// </summary>
+    public partial class ModifyUHostInstanceRemarkResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     ModifyUHostInstanceRemarkResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UhostId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceTagRequest.cs b/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceTagRequest.cs
new file mode 100644
index 0000000..5ec9008
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceTagRequest.cs
@@ -0,0 +1,59 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改指定UHost实例业务组标识。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/modify_uhost_instance_tag.html
+    ///     </para>
+    /// </summary>
+    public partial class ModifyUHostInstanceTagRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "ModifyUHostInstanceTag";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     ModifyUHostInstanceTag
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 业务组名称                
+        /// </summary>
+        public string Tag { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="ModifyUHostInstanceTagRequest" /> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>
+        /// <param name="uhostid">UHost实例ID</param>
+        /// <param name="tag">业务组名称.</param>
+        public ModifyUHostInstanceTagRequest(string region, string uhostid, string tag)
+        {
+            Region = region;
+            UHostId = uhostid;
+            Tag = tag;
+        }
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceTagResponse.cs b/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceTagResponse.cs
new file mode 100644
index 0000000..f460291
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/ModifyUHostInstanceTagResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改指定UHost实例业务组标识。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/modify_uhost_instance_tag.html
+    ///     </para>
+    /// </summary>
+    public partial class ModifyUHostInstanceTagResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     ModifyUHostInstanceTagResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UhostId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/RebootUHostInstanceRequest.cs b/UCloudSDK.NetCore2/Models/UHost/RebootUHostInstanceRequest.cs
new file mode 100644
index 0000000..2e60865
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/RebootUHostInstanceRequest.cs
@@ -0,0 +1,52 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 重新启动UHost实例，需要指定数据中心及UHostID两个参数的值。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/reboot_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class RebootUHostInstanceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "RebootUHostInstance";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     RebootUHostInstance
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="RebootUHostInstanceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="uhostid">UHost实例ID</param>                    
+        public RebootUHostInstanceRequest(string region, string uhostid)
+        {               
+            Region = region;
+            UHostId = uhostid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/RebootUHostInstanceResponse.cs b/UCloudSDK.NetCore2/Models/UHost/RebootUHostInstanceResponse.cs
new file mode 100644
index 0000000..6e7ec94
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/RebootUHostInstanceResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 重新启动UHost实例，需要指定数据中心及UHostID两个参数的值。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/reboot_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class RebootUHostInstanceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     RebootUHostInstanceResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UhostId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/ReinstallUHostInstanceRequest.cs b/UCloudSDK.NetCore2/Models/UHost/ReinstallUHostInstanceRequest.cs
new file mode 100644
index 0000000..c092e00
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/ReinstallUHostInstanceRequest.cs
@@ -0,0 +1,85 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 重新安装指定UHost实例的操作系统
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/reinstall_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class ReinstallUHostInstanceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "ReinstallUHostInstance";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     ReinstallUHostInstance
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost实例资源ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 如果创建UHost实例时LoginMode为Password
+        /// </summary>
+        private string _password;
+
+        /// <summary>
+        /// 如果创建UHost实例时LoginMode为Password 
+        ///     <para>
+        ///     则必须填写，如果LoginMode为KeyPair，不需要填写（密码格式使用BASE64编码）
+        ///     </para>                 
+        /// </summary>
+        public string Password
+        {
+            get { return _password; }
+            set { _password = value.ToBase64(); }
+        }
+
+        /// <summary>
+        /// 镜像Id 
+        ///     <para>
+        ///     参考镜像列表，默认使用原镜像
+        ///     </para>                 
+        /// </summary>
+        public string ImageId { get; set; }
+
+        /// <summary>
+        /// 是否保留数据盘 
+        ///     <para>
+        ///     保留：Yes，不报留：No， 默认：Yes
+        ///     </para>                 
+        /// </summary>
+        public string ReserveDisk { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="ReinstallUHostInstanceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="uhostid">UHost实例资源ID</param>                    
+        public ReinstallUHostInstanceRequest(string region, string uhostid)
+        {               
+            Region = region;
+            UHostId = uhostid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/ReinstallUHostInstanceResponse.cs b/UCloudSDK.NetCore2/Models/UHost/ReinstallUHostInstanceResponse.cs
new file mode 100644
index 0000000..b7159c3
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/ReinstallUHostInstanceResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 重新安装指定UHost实例的操作系统
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/reinstall_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class ReinstallUHostInstanceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     ReinstallUHostInstanceResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// UHost实例资源ID                
+        /// </summary>
+        public string UhostId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/ResetUHostInstancePasswordRequest.cs b/UCloudSDK.NetCore2/Models/UHost/ResetUHostInstancePasswordRequest.cs
new file mode 100644
index 0000000..e6d77dc
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/ResetUHostInstancePasswordRequest.cs
@@ -0,0 +1,66 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 重置UHost实例的管理员密码。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/reset_uhost_instance_password.html
+    ///     </para>
+    /// </summary>
+    public partial class ResetUHostInstancePasswordRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "ResetUHostInstancePassword";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     ResetUHostInstancePassword
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// UHost新密码
+        /// </summary>
+        private string _password;
+
+        /// <summary>
+        /// UHost新密码               
+        /// </summary>
+        public string Password
+        {
+            get { return _password; }
+            set { _password = value.ToBase64(); }
+        }
+
+        /// <summary>
+        /// 实例化 <see cref="ResetUHostInstancePasswordRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="uhostid">UHost实例ID</param>                    
+        public ResetUHostInstancePasswordRequest(string region, string uhostid)
+        {               
+            Region = region;
+            UHostId = uhostid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/ResetUHostInstancePasswordResponse.cs b/UCloudSDK.NetCore2/Models/UHost/ResetUHostInstancePasswordResponse.cs
new file mode 100644
index 0000000..642e844
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/ResetUHostInstancePasswordResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 重置UHost实例的管理员密码。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/reset_uhost_instance_password.html
+    ///     </para>
+    /// </summary>
+    public partial class ResetUHostInstancePasswordResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     ResetUHostInstancePasswordResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UhostId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/ResizeUHostInstanceRequest.cs b/UCloudSDK.NetCore2/Models/UHost/ResizeUHostInstanceRequest.cs
new file mode 100644
index 0000000..1230b7c
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/ResizeUHostInstanceRequest.cs
@@ -0,0 +1,76 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改指定UHost实例的资源配置，如CPU核心数，内存容量大小，磁盘空间大小等。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/resize_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class ResizeUHostInstanceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "ResizeUHostInstance";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     ResizeUHostInstance
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 虚拟CPU核数 
+        ///     <para>
+        ///     单位：个，范围：[1,16]，最小值为1，其他值是2的倍数，默认值为当前实例的CPU核数
+        ///     </para>                 
+        /// </summary>
+        public int? CPU { get; set; }
+
+        /// <summary>
+        /// 内存大小 
+        ///     <para>
+        ///     单位：MB，范围[2048,65536]，步长：2048，默认值为当前实例的内存大小
+        ///     </para>                 
+        /// </summary>
+        public int? Memory { get; set; }
+
+        /// <summary>
+        /// 数据盘大小 
+        ///     <para>
+        ///     单位：GB，范围[10,1000]，步长：10，默认值为当前实例的数据盘大小，数据盘不支持缩容，因此不允许输入比当前实例数据盘大小的值
+        ///     </para>                 
+        /// </summary>
+        public int? DiskSpace { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="ResizeUHostInstanceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="uhostid">UHost实例ID</param>                    
+        public ResizeUHostInstanceRequest(string region, string uhostid)
+        {               
+            Region = region;
+            UHostId = uhostid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/ResizeUHostInstanceResponse.cs b/UCloudSDK.NetCore2/Models/UHost/ResizeUHostInstanceResponse.cs
new file mode 100644
index 0000000..aaa7653
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/ResizeUHostInstanceResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改指定UHost实例的资源配置，如CPU核心数，内存容量大小，磁盘空间大小等。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/resize_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class ResizeUHostInstanceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     ResizeUHostInstanceResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UhostId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/StartUHostInstanceRequest.cs b/UCloudSDK.NetCore2/Models/UHost/StartUHostInstanceRequest.cs
new file mode 100644
index 0000000..2035ef5
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/StartUHostInstanceRequest.cs
@@ -0,0 +1,52 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 启动处于关闭状态的UHost实例，需要指定数据中心及UHostID两个参数的值。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/start_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class StartUHostInstanceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "StartUHostInstance";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     StartUHostInstance
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }  
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="StartUHostInstanceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="uhostid">UHost实例ID</param>                    
+        public StartUHostInstanceRequest(string region, string uhostid)
+        {               
+            Region = region;
+            UHostId = uhostid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/StartUHostInstanceResponse.cs b/UCloudSDK.NetCore2/Models/UHost/StartUHostInstanceResponse.cs
new file mode 100644
index 0000000..e30f76d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/StartUHostInstanceResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 启动处于关闭状态的UHost实例，需要指定数据中心及UHostID两个参数的值。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/start_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class StartUHostInstanceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     StartUHostInstanceResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UhostId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/StopUHostInstanceRequest.cs b/UCloudSDK.NetCore2/Models/UHost/StopUHostInstanceRequest.cs
new file mode 100644
index 0000000..8b1a212
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/StopUHostInstanceRequest.cs
@@ -0,0 +1,52 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 指停止处于运行状态的UHost实例，需指定数据中心及UhostID。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/stop_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class StopUHostInstanceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "StopUHostInstance";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     StopUHostInstance
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="StopUHostInstanceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="uhostid">UHost实例ID</param>                    
+        public StopUHostInstanceRequest(string region, string uhostid)
+        {               
+            Region = region;
+            UHostId = uhostid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/StopUHostInstanceResponse.cs b/UCloudSDK.NetCore2/Models/UHost/StopUHostInstanceResponse.cs
new file mode 100644
index 0000000..5dcfbd9
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/StopUHostInstanceResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 指停止处于运行状态的UHost实例，需指定数据中心及UhostID。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/stop_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class StopUHostInstanceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     StopUHostInstanceResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// UHost实例ID                
+        /// </summary>
+        public string UhostId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/TerminateCustomImageRequest.cs b/UCloudSDK.NetCore2/Models/UHost/TerminateCustomImageRequest.cs
new file mode 100644
index 0000000..69ee157
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/TerminateCustomImageRequest.cs
@@ -0,0 +1,52 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除用户自定义镜像
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/terminate_custom_image.html
+    ///     </para>
+    /// </summary>
+    public partial class TerminateCustomImageRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "TerminateCustomImage";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     TerminateCustomImage
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 自制镜像ID                
+        /// </summary>
+        public string ImageId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="TerminateCustomImageRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="imageid">自制镜像ID</param>                    
+        public TerminateCustomImageRequest(string region, string imageid)
+        {               
+            Region = region;
+            ImageId = imageid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/TerminateCustomImageResponse.cs b/UCloudSDK.NetCore2/Models/UHost/TerminateCustomImageResponse.cs
new file mode 100644
index 0000000..698b144
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/TerminateCustomImageResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除用户自定义镜像
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/terminate_custom_image.html
+    ///     </para>
+    /// </summary>
+    public partial class TerminateCustomImageResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     TerminateCustomImageResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 自制镜像Id                
+        /// </summary>
+        public string ImageId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/TerminateUHostInstanceRequest.cs b/UCloudSDK.NetCore2/Models/UHost/TerminateUHostInstanceRequest.cs
new file mode 100644
index 0000000..6bcf84d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/TerminateUHostInstanceRequest.cs
@@ -0,0 +1,52 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除指定数据中心的UHost实例。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/terminate_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class TerminateUHostInstanceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "TerminateUHostInstance";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     TerminateUHostInstance
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// UHost资源Id                
+        /// </summary>
+        public string UHostId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="TerminateUHostInstanceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="uhostid">UHost资源Id</param>                    
+        public TerminateUHostInstanceRequest(string region, string uhostid)
+        {               
+            Region = region;
+            UHostId = uhostid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UHost/TerminateUHostInstanceResponse.cs b/UCloudSDK.NetCore2/Models/UHost/TerminateUHostInstanceResponse.cs
new file mode 100644
index 0000000..2914333
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UHost/TerminateUHostInstanceResponse.cs
@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除指定数据中心的UHost实例。
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/uhost/terminate_uhost_instance.html
+    ///     </para>
+    /// </summary>
+    public partial class TerminateUHostInstanceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     TerminateUHostInstanceResposne
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// UHost 实例 Id                
+        /// </summary>
+        public List<string> UHostIds { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/AllocateBackendRequest.cs b/UCloudSDK.NetCore2/Models/ULB/AllocateBackendRequest.cs
new file mode 100644
index 0000000..9fa075f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/AllocateBackendRequest.cs
@@ -0,0 +1,92 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 添加ULB后端资源实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/allocate_backend.html
+    ///     </para>
+    /// </summary>
+    public partial class AllocateBackendRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "AllocateBackend";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     AllocateBackend
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 负载均衡实例的ID                
+        /// </summary>
+        public string ULBId { get; set; }
+
+        /// <summary>
+        /// VServer实例的ID                
+        /// </summary>
+        public string VServerId { get; set; }
+
+        /// <summary>
+        /// 所添加的后端资源的类型 
+        ///     <para>
+        ///     如UHost
+        ///     </para>                 
+        /// </summary>
+        public string ResourceType { get; set; }
+
+        /// <summary>
+        /// 所添加的后端资源的资源ID                
+        /// </summary>
+        public string ResourceId { get; set; }
+
+        /// <summary>
+        /// 所添加的后端资源服务端口 
+        ///     <para>
+        ///     取值范围[1-65535]，默认80
+        ///     </para>                 
+        /// </summary>
+        public int? Port { get; set; }
+
+        /// <summary>
+        /// 后端实例状态开关 
+        ///     <para>
+        ///     枚举值：1：启动；0：禁用默认为启用
+        ///     </para>                 
+        /// </summary>
+        public int? Enabled { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="AllocateBackendRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="ulbid">负载均衡实例的ID</param>                    
+        /// <param name="vserverid">VServer实例的ID</param>                    
+        /// <param name="resourcetype">所添加的后端资源的类型</param>                    
+        /// <param name="resourceid">所添加的后端资源的资源ID</param>                    
+        public AllocateBackendRequest(string region, string ulbid, string vserverid, string resourcetype, string resourceid)
+        {               
+            Region = region;
+            ULBId = ulbid;
+            VServerId = vserverid;
+            ResourceType = resourcetype;
+            ResourceId = resourceid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/AllocateBackendResponse.cs b/UCloudSDK.NetCore2/Models/ULB/AllocateBackendResponse.cs
new file mode 100644
index 0000000..83b514a
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/AllocateBackendResponse.cs
@@ -0,0 +1,28 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 添加ULB后端资源实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/allocate_backend.html
+    ///     </para>
+    /// </summary>
+    public partial class AllocateBackendResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     AllocateBackendResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 所添加的后端资源ID 
+        ///     <para>
+        ///     （为ULB系统中使用，与资源自身ID无关）
+        ///     </para>                 
+        /// </summary>
+        public string BackendId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/BindSSLRequest.cs b/UCloudSDK.NetCore2/Models/ULB/BindSSLRequest.cs
new file mode 100644
index 0000000..f8a08f4
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/BindSSLRequest.cs
@@ -0,0 +1,66 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 将SSL证书绑定到VServer
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/bind_ssl.html
+    ///     </para>
+    /// </summary>
+    public partial class BindSSLRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "BindSSL";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     BindSSL
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// SSL证书的Id                
+        /// </summary>
+        public string SSLId { get; set; }
+
+        /// <summary>
+        /// 所绑定ULB实例ID                
+        /// </summary>
+        public string ULBId { get; set; }
+
+        /// <summary>
+        /// 所绑定VServer实例ID                
+        /// </summary>
+        public string VServerId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="BindSSLRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="sslid">SSL证书的Id</param>                    
+        /// <param name="ulbid">所绑定ULB实例ID</param>                    
+        /// <param name="vserverid">所绑定VServer实例ID</param>                    
+        public BindSSLRequest(string region, string sslid, string ulbid, string vserverid)
+        {               
+            Region = region;
+            SSLId = sslid;
+            ULBId = ulbid;
+            VServerId = vserverid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/BindSSLResponse.cs b/UCloudSDK.NetCore2/Models/ULB/BindSSLResponse.cs
new file mode 100644
index 0000000..112ba90
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/BindSSLResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 将SSL证书绑定到VServer
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/bind_ssl.html
+    ///     </para>
+    /// </summary>
+    public partial class BindSSLResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     BindSSLResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// SSL证书的Id                
+        /// </summary>
+        public string ULBId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/CreatePolicyGroupRequest.cs b/UCloudSDK.NetCore2/Models/ULB/CreatePolicyGroupRequest.cs
new file mode 100644
index 0000000..fd92480
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/CreatePolicyGroupRequest.cs
@@ -0,0 +1,53 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建内容转发策略组
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/create_policy_group.html
+    ///     </para>
+    /// </summary>
+    public partial class CreatePolicyGroupRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreatePolicyGroup";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreatePolicyGroup
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 内容转发策略组名称 
+        ///     <para>
+        ///     默认为空
+        ///     </para>                 
+        /// </summary>
+        public string GroupName { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreatePolicyGroupRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        public CreatePolicyGroupRequest(string region)
+        {               
+            Region = region;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/CreatePolicyGroupResponse.cs b/UCloudSDK.NetCore2/Models/ULB/CreatePolicyGroupResponse.cs
new file mode 100644
index 0000000..9e6b64d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/CreatePolicyGroupResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建内容转发策略组
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/create_policy_group.html
+    ///     </para>
+    /// </summary>
+    public partial class CreatePolicyGroupResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     CreatePolicyGroupResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 内容转发策略组的Id                
+        /// </summary>
+        public string GroupId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/CreatePolicyRequest.cs b/UCloudSDK.NetCore2/Models/ULB/CreatePolicyRequest.cs
new file mode 100644
index 0000000..9bd73ad
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/CreatePolicyRequest.cs
@@ -0,0 +1,88 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建内容转发策略
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/create_policy.html
+    ///     </para>
+    /// </summary>
+    public partial class CreatePolicyRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreatePolicy";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreatePolicy
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 内容转发策略组ID                
+        /// </summary>
+        public string GroupId { get; set; }
+
+        /// <summary>
+        /// 内容转发匹配字段                
+        /// </summary>
+        public string Match { get; set; }
+
+        /// <summary>
+        /// 需要添加内容转发策略的负载均衡实例ID                
+        /// </summary>
+        public string ULBId { get; set; }
+
+        /// <summary>
+        /// 需要添加内容转发策略的VServer实例ID                
+        /// </summary>
+        public string VServerId { get; set; }
+
+        /// <summary>
+        /// 内容转发策略应用的后端资源实例的ID                
+        /// </summary>
+        public NList BackendId { get; set; }
+
+        /// <summary>
+        /// 内容转发匹配字段的类型 
+        ///     <para>
+        ///     当前仅支持按域名转发。枚举值：Domain
+        ///     </para>                 
+        /// </summary>
+        public string Type { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreatePolicyRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="groupid">内容转发策略组ID</param>                    
+        /// <param name="match">内容转发匹配字段</param>                    
+        /// <param name="ulbid">需要添加内容转发策略的负载均衡实例ID</param>                    
+        /// <param name="vserverid">需要添加内容转发策略的VServer实例ID</param>                    
+        /// <param name="backendid">内容转发策略应用的后端资源实例的ID</param>                    
+        public CreatePolicyRequest(string region, string groupid, string match, string ulbid, string vserverid, NList backendid)
+        {               
+            Region = region;
+            GroupId = groupid;
+            Match = match;
+            ULBId = ulbid;
+            VServerId = vserverid;
+            BackendId = backendid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/CreatePolicyResponse.cs b/UCloudSDK.NetCore2/Models/ULB/CreatePolicyResponse.cs
new file mode 100644
index 0000000..a01204f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/CreatePolicyResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建内容转发策略
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/create_policy.html
+    ///     </para>
+    /// </summary>
+    public partial class CreatePolicyResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     CreatePolicyResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 内容转发策略ID                
+        /// </summary>
+        public string PolicyId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/CreateSSLRequest.cs b/UCloudSDK.NetCore2/Models/ULB/CreateSSLRequest.cs
new file mode 100644
index 0000000..0f3eb21
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/CreateSSLRequest.cs
@@ -0,0 +1,70 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 添加SSL证书
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/create_ssl.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateSSLRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreateSSL";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreateSSL
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// SSL证书的内容                
+        /// </summary>
+        public string SSLContent { get; set; }
+
+        /// <summary>
+        /// SSL证书的名字 
+        ///     <para>
+        ///     默认值为空
+        ///     </para>                 
+        /// </summary>
+        public string SSLName { get; set; }
+
+        /// <summary>
+        /// 所添加的SSL证书类型 
+        ///     <para>
+        ///     目前只支持0：Pem格式
+        ///     </para>                 
+        /// </summary>
+        public int? SSLType { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreateSSLRequest" /> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>
+        /// <param name="sslName">SSL证书的名字.</param>
+        /// <param name="sslcontent">SSL证书的内容</param>
+        public CreateSSLRequest(string region,string sslName, string sslcontent)
+        {               
+            Region = region;
+            SSLName = sslName;
+            SSLContent = sslcontent;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/CreateSSLResponse.cs b/UCloudSDK.NetCore2/Models/ULB/CreateSSLResponse.cs
new file mode 100644
index 0000000..1bc5cc5
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/CreateSSLResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 添加SSL证书
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/create_ssl.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateSSLResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     CreateSSLResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// SSL证书的Id                
+        /// </summary>
+        public string ULBId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/CreateULBRequest.cs b/UCloudSDK.NetCore2/Models/ULB/CreateULBRequest.cs
new file mode 100644
index 0000000..84f37dc
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/CreateULBRequest.cs
@@ -0,0 +1,53 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建负载均衡实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/create_ulb.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateULBRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreateULB";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreateULB
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 负载均衡的名字 
+        ///     <para>
+        ///     默认值为空
+        ///     </para>                 
+        /// </summary>
+        public string ULBName { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreateULBRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        public CreateULBRequest(string region)
+        {               
+            Region = region;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/CreateULBResponse.cs b/UCloudSDK.NetCore2/Models/ULB/CreateULBResponse.cs
new file mode 100644
index 0000000..c225b6c
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/CreateULBResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建负载均衡实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/create_ulb.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateULBResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     CreateULBResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 负载均衡实例的Id                
+        /// </summary>
+        public string ULBId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/CreateVServerRequest.cs b/UCloudSDK.NetCore2/Models/ULB/CreateVServerRequest.cs
new file mode 100644
index 0000000..5942a85
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/CreateVServerRequest.cs
@@ -0,0 +1,108 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建VServer实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/create_vserver.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateVServerRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreateVServer";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreateVServer
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 负载均衡实例ID                
+        /// </summary>
+        public string ULBId { get; set; }
+
+        /// <summary>
+        /// VServer实例名称 
+        ///     <para>
+        ///     默认为空
+        ///     </para>                 
+        /// </summary>
+        public string VServerName { get; set; }
+
+        /// <summary>
+        /// VServer实例的协议 
+        ///     <para>
+        ///     枚举值为：HTTP，TCP，UDP；默认为HTTP协议
+        ///     </para>                 
+        /// </summary>
+        public string Protocol { get; set; }
+
+        /// <summary>
+        /// VServer后端端口 
+        ///     <para>
+        ///     取值范围[1-65535]；默认值为80
+        ///     </para>                 
+        /// </summary>
+        public int? FrontendPort { get; set; }
+
+        /// <summary>
+        /// VServer负载均衡模式 
+        ///     <para>
+        ///     枚举值为：Roundrobin，轮询；Source，源地址；默认为轮询模式
+        ///     </para>                 
+        /// </summary>
+        public string Method { get; set; }
+
+        /// <summary>
+        /// VServer会话保持方式 
+        ///     <para>
+        ///     枚举值为：None，关闭会话保持；ServerInsert，自动生成；UserDefined，用户自定义；默认关闭会话保持。
+        ///     </para>                 
+        /// </summary>
+        public string PersistenceType { get; set; }
+
+        /// <summary>
+        /// 根据PersistenceType确认；None和ServerInsert 
+        ///     <para>
+        ///     此字段无意义；UserDefined：此字段传入自定义会话保持String
+        ///     </para>                 
+        /// </summary>
+        public string PersistenceInfo { get; set; }
+
+        /// <summary>
+        /// 空闲连接的回收时间 
+        ///     <para>
+        ///     单位：秒；取值范围：(0，86400]，默认值为60
+        ///     </para>                 
+        /// </summary>
+        public int? ClientTimeout { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreateVServerRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="ulbid">负载均衡实例ID</param>                    
+        public CreateVServerRequest(string region, string ulbid)
+        {               
+            Region = region;
+            ULBId = ulbid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/CreateVServerResponse.cs b/UCloudSDK.NetCore2/Models/ULB/CreateVServerResponse.cs
new file mode 100644
index 0000000..745ee7b
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/CreateVServerResponse.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建VServer实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/create_vserver.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateVServerResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     CreateULBResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// VServer实例的Id                
+        /// </summary>
+        public string VServerId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DeletePolicyGroupRequest.cs b/UCloudSDK.NetCore2/Models/ULB/DeletePolicyGroupRequest.cs
new file mode 100644
index 0000000..f7ecdd7
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DeletePolicyGroupRequest.cs
@@ -0,0 +1,52 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除内容转发策略组
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/delete_policy_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DeletePolicyGroupRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DeletePolicyGroup";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DeletePolicyGroup
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 内容转发策略组ID                
+        /// </summary>
+        public string GroupId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DeletePolicyGroupRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="groupid">内容转发策略组ID</param>                    
+        public DeletePolicyGroupRequest(string region, string groupid)
+        {               
+            Region = region;
+            GroupId = groupid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DeletePolicyGroupResponse.cs b/UCloudSDK.NetCore2/Models/ULB/DeletePolicyGroupResponse.cs
new file mode 100644
index 0000000..94df14d
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DeletePolicyGroupResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除内容转发策略组
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/delete_policy_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DeletePolicyGroupResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     DeletePolicyGroupResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DeletePolicyRequest.cs b/UCloudSDK.NetCore2/Models/ULB/DeletePolicyRequest.cs
new file mode 100644
index 0000000..4840a1e
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DeletePolicyRequest.cs
@@ -0,0 +1,59 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除内容转发策略
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/delete_policy.html
+    ///     </para>
+    /// </summary>
+    public partial class DeletePolicyRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DeletePolicy";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DeletePolicy
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 内容转发策略组ID                
+        /// </summary>
+        public string GroupId { get; set; }
+
+        /// <summary>
+        /// 内容转发策略ID                
+        /// </summary>
+        public string PolicyId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DeletePolicyRequest" /> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>
+        /// <param name="groupid">内容转发策略组ID</param>
+        /// <param name="policyid">内容转发策略ID.</param>
+        public DeletePolicyRequest(string region, string groupid, string policyid)
+        {               
+            Region = region;
+            GroupId = groupid;
+            PolicyId = policyid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DeletePolicyResponse.cs b/UCloudSDK.NetCore2/Models/ULB/DeletePolicyResponse.cs
new file mode 100644
index 0000000..4c2cccd
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DeletePolicyResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除内容转发策略
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/delete_policy.html
+    ///     </para>
+    /// </summary>
+    public partial class DeletePolicyResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     CreatePolicyResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DeleteSSLRequest.cs b/UCloudSDK.NetCore2/Models/ULB/DeleteSSLRequest.cs
new file mode 100644
index 0000000..8bfc2ec
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DeleteSSLRequest.cs
@@ -0,0 +1,52 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除SSL证书
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/delete_ssl.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteSSLRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DeleteSSL";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DeleteSSL
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// SSL证书的ID                
+        /// </summary>
+        public string SSLId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DeleteSSLRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="sslid">SSL证书的ID</param>                    
+        public DeleteSSLRequest(string region, string sslid)
+        {               
+            Region = region;
+            SSLId = sslid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DeleteSSLResponse.cs b/UCloudSDK.NetCore2/Models/ULB/DeleteSSLResponse.cs
new file mode 100644
index 0000000..d43ddd2
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DeleteSSLResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除SSL证书
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/delete_ssl.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteSSLResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     DeleteSSLResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DeleteULBRequest.cs b/UCloudSDK.NetCore2/Models/ULB/DeleteULBRequest.cs
new file mode 100644
index 0000000..b19ef00
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DeleteULBRequest.cs
@@ -0,0 +1,52 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除负载均衡实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/delete_ulb.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteULBRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DeleteULB";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DeleteULB
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 负载均衡实例的ID                
+        /// </summary>
+        public string ULBId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DeleteULBRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="ulbid">负载均衡实例的ID</param>                    
+        public DeleteULBRequest(string region, string ulbid)
+        {               
+            Region = region;
+            ULBId = ulbid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DeleteULBResponse.cs b/UCloudSDK.NetCore2/Models/ULB/DeleteULBResponse.cs
new file mode 100644
index 0000000..e2ea549
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DeleteULBResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除负载均衡实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/delete_ulb.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteULBResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     DeleteULBResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DeleteVServerRequest.cs b/UCloudSDK.NetCore2/Models/ULB/DeleteVServerRequest.cs
new file mode 100644
index 0000000..2c31729
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DeleteVServerRequest.cs
@@ -0,0 +1,59 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除VServer实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/delete_vserver.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteVServerRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DeleteVServer";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DeleteVServer
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 负载均衡实例的ID                
+        /// </summary>
+        public string ULBId { get; set; }
+
+        /// <summary>
+        /// VServer实例的ID                
+        /// </summary>
+        public string VServerId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DeleteVServerRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="ulbid">负载均衡实例的ID</param>                    
+        /// <param name="vserverid">VServer实例的ID</param>                    
+        public DeleteVServerRequest(string region, string ulbid, string vserverid)
+        {               
+            Region = region;
+            ULBId = ulbid;
+            VServerId = vserverid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DeleteVServerResponse.cs b/UCloudSDK.NetCore2/Models/ULB/DeleteVServerResponse.cs
new file mode 100644
index 0000000..f658d9e
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DeleteVServerResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除VServer实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/delete_vserver.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteVServerResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     DeleteVServerResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DescribePolicyGroup.BackendSet.cs b/UCloudSDK.NetCore2/Models/ULB/DescribePolicyGroup.BackendSet.cs
new file mode 100644
index 0000000..e122689
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DescribePolicyGroup.BackendSet.cs
@@ -0,0 +1,27 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 显示内容转发策略组详情
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/describe_policy_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribePolicyGroupBackendSet
+    {
+        /// <summary>
+        /// 后端资源实例的ID                
+        /// </summary>
+        public string BackendId { get; set; }
+
+        /// <summary>
+        /// 后端资源实例的内网IP                
+        /// </summary>
+        public string PrivateIP { get; set; }
+
+        /// <summary>
+        /// 后端资源实例的服务端口                
+        /// </summary>
+        public int Port { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DescribePolicyGroup.DataSet.cs b/UCloudSDK.NetCore2/Models/ULB/DescribePolicyGroup.DataSet.cs
new file mode 100644
index 0000000..8a7f8bb
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DescribePolicyGroup.DataSet.cs
@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 显示内容转发策略组详情
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/describe_policy_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribePolicyGroupDataSet
+    {
+        /// <summary>
+        /// 内容转发策略组ID                
+        /// </summary>
+        public string GroupId { get; set; }
+
+        /// <summary>
+        /// 内容转发策略组名称                
+        /// </summary>
+        public string GroupName { get; set; }
+
+        /// <summary>
+        /// 内容转发策略组详细信息 
+        ///     <para>
+        ///     具体结构见PolicySet
+        ///     </para>                 
+        /// </summary>
+        public List<DescribePolicyGroupPolicySet> PolicySet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DescribePolicyGroup.PolicySet.cs b/UCloudSDK.NetCore2/Models/ULB/DescribePolicyGroup.PolicySet.cs
new file mode 100644
index 0000000..a01fc09
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DescribePolicyGroup.PolicySet.cs
@@ -0,0 +1,45 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 显示内容转发策略组详情
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/describe_policy_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribePolicyGroupPolicySet
+    {
+        /// <summary>
+        /// 内容转发策略组ID                
+        /// </summary>
+        public string PolicyId { get; set; }
+
+        /// <summary>
+        /// 内容转发匹配字段的类型 
+        ///     <para>
+        ///     当前只支持按域名转发。枚举值为：Domain，按域名转发
+        ///     </para>                 
+        /// </summary>
+        public string Type { get; set; }
+
+        /// <summary>
+        /// 内容转发匹配字段                
+        /// </summary>
+        public string Match { get; set; }
+
+        /// <summary>
+        /// 内容转发策略组ID应用的VServer实例的ID                
+        /// </summary>
+        public string VServerId { get; set; }
+
+        /// <summary>
+        /// 内容转发策略组ID所应用的后端资源列表 
+        ///     <para>
+        ///     具体结构见”BackendSet”
+        ///     </para>                 
+        /// </summary>
+        public List<DescribePolicyGroupBackendSet> BackendSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DescribePolicyGroupRequest.cs b/UCloudSDK.NetCore2/Models/ULB/DescribePolicyGroupRequest.cs
new file mode 100644
index 0000000..fe8c630
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DescribePolicyGroupRequest.cs
@@ -0,0 +1,66 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 显示内容转发策略组详情
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/describe_policy_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribePolicyGroupRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribePolicyGroup";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribePolicyGroup
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 内容转发策略组ID                
+        /// </summary>
+        public string GroupId { get; set; }
+
+        /// <summary>
+        /// 数据偏移量 
+        ///     <para>
+        ///     默认值为0
+        ///     </para>                 
+        /// </summary>
+        public int? Offset { get; set; }
+
+        /// <summary>
+        /// 数据分页值 
+        ///     <para>
+        ///     默认为20
+        ///     </para>                 
+        /// </summary>
+        public int? Limit { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribePolicyGroupRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        public DescribePolicyGroupRequest(string region)
+        {               
+            Region = region;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DescribePolicyGroupResponse.cs b/UCloudSDK.NetCore2/Models/ULB/DescribePolicyGroupResponse.cs
new file mode 100644
index 0000000..7f97afd
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DescribePolicyGroupResponse.cs
@@ -0,0 +1,30 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 显示内容转发策略组详情
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/describe_policy_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribePolicyGroupResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     DescribePolicyGroupResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 内容转发策略组列表 
+        ///     <para>
+        ///     具体结构见DataSet
+        ///     </para>                 
+        /// </summary>
+        public List<DescribePolicyGroupDataSet> DataSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DescribeSSL.DataSet.cs b/UCloudSDK.NetCore2/Models/ULB/DescribeSSL.DataSet.cs
new file mode 100644
index 0000000..764e7fb
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DescribeSSL.DataSet.cs
@@ -0,0 +1,53 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 显示SSL证书信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/describe_ssl.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeSSLDataSet
+    {
+        /// <summary>
+        /// 证书的ID                
+        /// </summary>
+        public string SSLId { get; set; }
+
+        /// <summary>
+        /// 证书的名字                
+        /// </summary>
+        public string SSLName { get; set; }
+
+        /// <summary>
+        /// 证书的类型 
+        ///     <para>
+        ///     枚举值为：0：Pem格式
+        ///     </para>                 
+        /// </summary>
+        public string SSLType { get; set; }
+
+        /// <summary>
+        /// 证书的内容                
+        /// </summary>
+        public string SSLContent { get; set; }
+
+        /// <summary>
+        /// 证书的HASH值                
+        /// </summary>
+        public string HashValue { get; set; }
+
+        /// <summary>
+        /// 创建时间 
+        ///     <para>
+        ///     格式为Unix Timestamp
+        ///     </para>                 
+        /// </summary>
+        public int CreateTime { get; set; }
+
+        /// <summary>
+        /// 所绑定VServer的资源ID                
+        /// </summary>
+        public string VServerId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DescribeSSLRequest.cs b/UCloudSDK.NetCore2/Models/ULB/DescribeSSLRequest.cs
new file mode 100644
index 0000000..b6cb5b7
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DescribeSSLRequest.cs
@@ -0,0 +1,66 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 显示SSL证书信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/describe_ssl.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeSSLRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeSSL";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeSSL
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// SSL证书的Id                
+        /// </summary>
+        public string SSLId { get; set; }
+
+        /// <summary>
+        /// 数据分页值 
+        ///     <para>
+        ///     默认为20
+        ///     </para>                 
+        /// </summary>
+        public int? Limit { get; set; }
+
+        /// <summary>
+        /// 数据偏移量 
+        ///     <para>
+        ///     默认值为0
+        ///     </para>                 
+        /// </summary>
+        public int? Offset { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeSSLRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        public DescribeSSLRequest(string region)
+        {               
+            Region = region;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DescribeSSLResponse.cs b/UCloudSDK.NetCore2/Models/ULB/DescribeSSLResponse.cs
new file mode 100644
index 0000000..c8a6bae
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DescribeSSLResponse.cs
@@ -0,0 +1,35 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 显示SSL证书信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/describe_ssl.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeSSLResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     BindSSLResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 满足条件的SSL证书总数                
+        /// </summary>
+        public string TotalCOunt { get; set; }
+
+        /// <summary>
+        /// SSL证书详细信息 
+        ///     <para>
+        ///     具体结构见DataSet
+        ///     </para>                 
+        /// </summary>
+        public List<DescribeSSLDataSet> DataSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DescribeULB.BackendSet.cs b/UCloudSDK.NetCore2/Models/ULB/DescribeULB.BackendSet.cs
new file mode 100644
index 0000000..b5a53b9
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DescribeULB.BackendSet.cs
@@ -0,0 +1,61 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 显示负载均衡实例信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/describe_ulb.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeULBBackendSet
+    {
+        /// <summary>
+        /// VServer后端的负载均衡实例ID                
+        /// </summary>
+        public string BackendId { get; set; }
+
+        /// <summary>
+        /// VServer后端的资源类型 
+        ///     <para>
+        ///     如uhost
+        ///     </para>                 
+        /// </summary>
+        public string ResourceType { get; set; }
+
+        /// <summary>
+        /// VServer后端的资源ID                
+        /// </summary>
+        public string ResourceId { get; set; }
+
+        /// <summary>
+        /// VServer后端的资源名称                
+        /// </summary>
+        public string ResourceName { get; set; }
+
+        /// <summary>
+        /// VServer后端的资源内网IP                
+        /// </summary>
+        public string PrivateIP { get; set; }
+
+        /// <summary>
+        /// VServer后端的服务端口                
+        /// </summary>
+        public int Port { get; set; }
+
+        /// <summary>
+        /// 后端资源的启用状态 
+        ///     <para>
+        ///     枚举值为：0：禁用；1：启用
+        ///     </para>                 
+        /// </summary>
+        public int Enabled { get; set; }
+
+        /// <summary>
+        /// 后端资源的运行状态 
+        ///     <para>
+        ///     枚举值为：0：运行正常；1：运行异常
+        ///     </para>                 
+        /// </summary>
+        public int Status { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DescribeULB.DataSet.cs b/UCloudSDK.NetCore2/Models/ULB/DescribeULB.DataSet.cs
new file mode 100644
index 0000000..647be68
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DescribeULB.DataSet.cs
@@ -0,0 +1,56 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 显示负载均衡实例信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/describe_ulb.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeULBDataSet
+    {
+        /// <summary>
+        /// 负载均衡实例的Id                
+        /// </summary>
+        public string ULBId { get; set; }
+
+        /// <summary>
+        /// 负载均衡实例的名字                
+        /// </summary>
+        public string ULBName { get; set; }
+
+        /// <summary>
+        /// 带宽模式 
+        ///     <para>
+        ///     枚举值为：0，该负载均衡实例非共享带宽；1，该负载均衡实例使用共享带宽
+        ///     </para>                 
+        /// </summary>
+        public int BandwidthType { get; set; }
+
+        /// <summary>
+        /// 负载均衡的创建时间 
+        ///     <para>
+        ///     格式为Unix Timestamp
+        ///     </para>                 
+        /// </summary>
+        public int CreateTime { get; set; }
+
+        /// <summary>
+        /// 负载均衡实例的外网IP信息 
+        ///     <para>
+        ///     具体结构见下方IPSet
+        ///     </para>                 
+        /// </summary>
+        public List<DescribeULBIPSet> IPSet { get; set; }
+
+        /// <summary>
+        /// 负载均衡实例中存在的VServer实例列表 
+        ///     <para>
+        ///     具体结构件下方VserverSet
+        ///     </para>                 
+        /// </summary>
+        public List<DescribeULBVserverSet> VserverSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DescribeULB.IPSet.cs b/UCloudSDK.NetCore2/Models/ULB/DescribeULB.IPSet.cs
new file mode 100644
index 0000000..aa9e62a
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DescribeULB.IPSet.cs
@@ -0,0 +1,30 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 显示负载均衡实例信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/describe_ulb.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeULBIPSet
+    {
+        /// <summary>
+        /// 弹性IP的运营商信息 
+        ///     <para>
+        ///     枚举值为：Telecom：电信IP；Unicom：联通IP；Bgp：BGP IP；International：国际IP
+        ///     </para>                 
+        /// </summary>
+        public string OperatorName { get; set; }
+
+        /// <summary>
+        /// 弹性IP的资源ID                
+        /// </summary>
+        public string EIPId { get; set; }
+
+        /// <summary>
+        /// 弹性IP的地址                
+        /// </summary>
+        public string EIP { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DescribeULB.SSLSet.cs b/UCloudSDK.NetCore2/Models/ULB/DescribeULB.SSLSet.cs
new file mode 100644
index 0000000..801d266
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DescribeULB.SSLSet.cs
@@ -0,0 +1,22 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 显示负载均衡实例信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/describe_ulb.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeULBSSLSet
+    {
+        /// <summary>
+        /// SSL证书的ID                
+        /// </summary>
+        public string SSLId { get; set; }
+
+        /// <summary>
+        /// SSL证书的名称                
+        /// </summary>
+        public string SSLName { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DescribeULB.VserverSet.cs b/UCloudSDK.NetCore2/Models/ULB/DescribeULB.VserverSet.cs
new file mode 100644
index 0000000..be32b52
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DescribeULB.VserverSet.cs
@@ -0,0 +1,93 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 显示负载均衡实例信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/describe_ulb.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeULBVserverSet
+    {
+        /// <summary>
+        /// VServer实例的ID                
+        /// </summary>
+        public string VServerId { get; set; }
+
+        /// <summary>
+        /// VServer实例的名字                
+        /// </summary>
+        public string VServerName { get; set; }
+
+        /// <summary>
+        /// VServer实例的网络协议 
+        ///     <para>
+        ///     枚举值为：HTTP, TCP, UDP, HTTPS
+        ///     </para>                 
+        /// </summary>
+        public string Protocol { get; set; }
+
+        /// <summary>
+        /// VServer服务前端端口                
+        /// </summary>
+        public int FrontendPort { get; set; }
+
+        /// <summary>
+        /// VServer的负载均衡模式 
+        ///     <para>
+        ///     枚举值为：Roundrobin，轮询模式；Source，源地址模式
+        ///     </para>                 
+        /// </summary>
+        public string Method { get; set; }
+
+        /// <summary>
+        /// VServer会话保持模式 
+        ///     <para>
+        ///     枚举值为：None，关闭会话保持；ServerInsert，自动生成；UserDefined，用户自定义
+        ///     </para>                 
+        /// </summary>
+        public string PersistenceType { get; set; }
+
+        /// <summary>
+        /// 由PersistenceType确定 
+        ///     <para>
+        ///     None或ServerInsert时，此字段为空；UserDefined时，此字段展示用户自定义会话保持String。
+        ///     </para>                 
+        /// </summary>
+        public string PersistenceInfo { get; set; }
+
+        /// <summary>
+        /// 空闲连接的回收时间 
+        ///     <para>
+        ///     单位：秒
+        ///     </para>                 
+        /// </summary>
+        public int ClientTimeout { get; set; }
+
+        /// <summary>
+        /// VServer的运行状态 
+        ///     <para>
+        ///     枚举值为：0：运行正常；1：运行异常
+        ///     </para>                 
+        /// </summary>
+        public int Status { get; set; }
+
+        /// <summary>
+        /// VServer绑定的SSL证书信息 
+        ///     <para>
+        ///     具体结构见下方SSLSet
+        ///     </para>                 
+        /// </summary>
+        public List<DescribeULBSSLSet> SSLSet { get; set; }
+
+        /// <summary>
+        /// VServer后端资源信息列表 
+        ///     <para>
+        ///     具体结构见下方BackendSet
+        ///     </para>                 
+        /// </summary>
+        public List<DescribeULBBackendSet> BackendSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DescribeULBRequest.cs b/UCloudSDK.NetCore2/Models/ULB/DescribeULBRequest.cs
new file mode 100644
index 0000000..ac5c014
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DescribeULBRequest.cs
@@ -0,0 +1,69 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 显示负载均衡实例信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/describe_ulb.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeULBRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeULB";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeULB
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }  
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 负载均衡实例的ID 
+        ///     <para>
+        ///     若指定则返回指定的负载均衡实例信息；若不指定则返回用户当前数据中心中所有负载均衡实例的信息
+        ///     </para>                 
+        /// </summary>
+        public string ULBId { get; set; }
+
+        /// <summary>
+        /// 数据偏移量 
+        ///     <para>
+        ///     默认为0
+        ///     </para>                 
+        /// </summary>
+        public int? Offset { get; set; }
+
+        /// <summary>
+        /// 数据分页值 
+        ///     <para>
+        ///     默认为20
+        ///     </para>                 
+        /// </summary>
+        public int? Limit { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeULBRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        public DescribeULBRequest(string region)
+        {               
+            Region = region;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/DescribeULBResponse.cs b/UCloudSDK.NetCore2/Models/ULB/DescribeULBResponse.cs
new file mode 100644
index 0000000..0d847c3
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/DescribeULBResponse.cs
@@ -0,0 +1,35 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 显示负载均衡实例信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/describe_ulb.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeULBResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     DescribeULBResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 满足条件的负载均衡实例的总数                
+        /// </summary>
+        public int TotalCount { get; set; }
+
+        /// <summary>
+        /// 负载均衡实例列表 
+        ///     <para>
+        ///     具体结构见下方DataSet
+        ///     </para>                 
+        /// </summary>
+        public List<DescribeULBDataSet> DataSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/ReleaseBackendRequest.cs b/UCloudSDK.NetCore2/Models/ULB/ReleaseBackendRequest.cs
new file mode 100644
index 0000000..1bec2bd
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/ReleaseBackendRequest.cs
@@ -0,0 +1,62 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 释放ULB后端资源实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/release_backend.html
+    ///     </para>
+    /// </summary>
+    public partial class ReleaseBackendRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "ReleaseBackend";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     ReleaseBackend
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 负载均衡实例的ID                
+        /// </summary>
+        public string ULBId { get; set; }
+
+        /// <summary>
+        /// 后端资源实例的ID(ULB后端ID 
+        ///     <para>
+        ///     非资源自身ID)
+        ///     </para>                 
+        /// </summary>
+        public string BackendId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="ReleaseBackendRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="ulbid">负载均衡实例的ID</param>                    
+        /// <param name="backendid">后端资源实例的ID(ULB后端ID</param>                    
+        public ReleaseBackendRequest(string region, string ulbid, string backendid)
+        {               
+            Region = region;
+            ULBId = ulbid;
+            BackendId = backendid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/ReleaseBackendResponse.cs b/UCloudSDK.NetCore2/Models/ULB/ReleaseBackendResponse.cs
new file mode 100644
index 0000000..b6c63b1
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/ReleaseBackendResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 释放ULB后端资源实例
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/release_backend.html
+    ///     </para>
+    /// </summary>
+    public partial class ReleaseBackendResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     ReleaseBackendResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/UpdateBackendAttributeRequest.cs b/UCloudSDK.NetCore2/Models/ULB/UpdateBackendAttributeRequest.cs
new file mode 100644
index 0000000..d377583
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/UpdateBackendAttributeRequest.cs
@@ -0,0 +1,78 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改ULB后端资源实例(主机池)属性
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/update_backend_attribute.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateBackendAttributeRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "UpdateBackendAttribute";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     UpdateBackendAttribute
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 负载均衡资源ID                
+        /// </summary>
+        public string ULBId { get; set; }
+
+        /// <summary>
+        /// 后端资源实例的ID(ULB后端ID 
+        ///     <para>
+        ///     非资源自身ID)
+        ///     </para>                 
+        /// </summary>
+        public string BackendId { get; set; }
+
+        /// <summary>
+        /// 后端资源服务端口 
+        ///     <para>
+        ///     取值范围[1-65535]
+        ///     </para>                 
+        /// </summary>
+        public int? Port { get; set; }
+
+        /// <summary>
+        /// 后端实例状态开关 
+        ///     <para>
+        ///     枚举值：1：启动；0：禁用若无此字段，则不做修改
+        ///     </para>                 
+        /// </summary>
+        public int? Enabled { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="UpdateBackendAttributeRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="ulbid">负载均衡资源ID</param>                    
+        /// <param name="backendid">后端资源实例的ID(ULB后端ID</param>                    
+        public UpdateBackendAttributeRequest(string region, string ulbid, string backendid)
+        {               
+            Region = region;
+            ULBId = ulbid;
+            BackendId = backendid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/UpdateBackendAttributeResponse.cs b/UCloudSDK.NetCore2/Models/ULB/UpdateBackendAttributeResponse.cs
new file mode 100644
index 0000000..e070cc8
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/UpdateBackendAttributeResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改ULB后端资源实例(主机池)属性
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/update_backend_attribute.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateBackendAttributeResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     UpdateBackendAttributeResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/UpdatePolicyGroupAttributeRequest.cs b/UCloudSDK.NetCore2/Models/ULB/UpdatePolicyGroupAttributeRequest.cs
new file mode 100644
index 0000000..080ccc9
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/UpdatePolicyGroupAttributeRequest.cs
@@ -0,0 +1,57 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改内容转发策略组配置信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/update_policy_group_attribute.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdatePolicyGroupAttributeRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "UpdatePolicyGroupAttribute";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     UpdatePolicyGroupAttribute
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 内容转发策略组ID                
+        /// </summary>
+        public string GroupId { get; set; }
+
+        /// <summary>
+        /// 修改策略转发组名称                
+        /// </summary>
+        public string GroupName { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="UpdatePolicyGroupAttributeRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="groupid">内容转发策略组ID</param>                    
+        public UpdatePolicyGroupAttributeRequest(string region, string groupid)
+        {               
+            Region = region;
+            GroupId = groupid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/UpdatePolicyGroupAttributeResponse.cs b/UCloudSDK.NetCore2/Models/ULB/UpdatePolicyGroupAttributeResponse.cs
new file mode 100644
index 0000000..042bc6b
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/UpdatePolicyGroupAttributeResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改内容转发策略组配置信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/update_policy_group_attribute.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdatePolicyGroupAttributeResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     UpdatePolicyGroupAttributeResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/UpdateULBAttributeRequest.cs b/UCloudSDK.NetCore2/Models/ULB/UpdateULBAttributeRequest.cs
new file mode 100644
index 0000000..5b77c9a
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/UpdateULBAttributeRequest.cs
@@ -0,0 +1,77 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改负载均衡实例属性
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/update_ulb_attribute.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateULBAttributeRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "UpdateULBAttribute";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     UpdateULBAttribute
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 负载均衡实例ID                
+        /// </summary>
+        public string ULBId { get; set; }
+
+        /// <summary>
+        /// 名字 
+        ///     <para>
+        ///     Name Tag Remark都为空则报错
+        ///     </para>                 
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 业务 
+        ///     <para>
+        ///     Name Tag Remark都为空则报错
+        ///     </para>                 
+        /// </summary>
+        public string Tag { get; set; }
+
+        /// <summary>
+        /// 备注 
+        ///     <para>
+        ///     Name Tag Remark都为空则报错
+        ///     </para>                 
+        /// </summary>
+        public string Remark { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="UpdateULBAttributeRequest"/> 类.
+        /// <para>实例化后需要指定Name Tag Remark中的一个</para>
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="ulbid">负载均衡实例ID</param>                    
+        public UpdateULBAttributeRequest(string region, string ulbid)
+        {               
+            Region = region;
+            ULBId = ulbid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/UpdateULBAttributeResponse.cs b/UCloudSDK.NetCore2/Models/ULB/UpdateULBAttributeResponse.cs
new file mode 100644
index 0000000..6bfa923
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/UpdateULBAttributeResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改负载均衡实例属性
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/update_ulb_attribute.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateULBAttributeResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     CreateULBResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/UpdateVServerAttributeRequest.cs b/UCloudSDK.NetCore2/Models/ULB/UpdateVServerAttributeRequest.cs
new file mode 100644
index 0000000..d6b000f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/UpdateVServerAttributeRequest.cs
@@ -0,0 +1,132 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改VServer实例属性
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/update_vserver_attribute.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateVServerAttributeRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "UpdateVServerAttribute";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     UpdateVServerAttribute
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 负载均衡实例ID                
+        /// </summary>
+        public string ULBId { get; set; }
+
+        /// <summary>
+        /// VServer实例ID                
+        /// </summary>
+        public string VServerId { get; set; }
+
+        /// <summary>
+        /// VServer实例名称 
+        ///     <para>
+        ///     若无此字段则不做修改
+        ///     </para>                 
+        /// </summary>
+        public string VServerName { get; set; }
+
+        /// <summary>
+        /// VServer协议 
+        ///     <para>
+        ///     枚举值为: HTTP, TCP, UDP. 若无此字段则不做修改
+        ///     </para>                 
+        /// </summary>
+        public string Protocol { get; set; }
+
+        /// <summary>
+        /// VServer负载均衡算法 
+        ///     <para>
+        ///      枚举值为: Roundrobin, 轮询模式; Source,源IP模式. 若无此字段则不做修改
+        ///     </para>                 
+        /// </summary>
+        public string Method { get; set; }
+
+        /// <summary>
+        /// VServer会话保持模式 
+        ///     <para>
+        ///      枚举值为:None, 关闭会话保持;ServerInsert, 自动生成;UserDefined, 用户自定义.若无此字段则不做修改
+        ///     </para>                 
+        /// </summary>
+        public string PersistenceType { get; set; }
+
+        /// <summary>
+        /// 根据PersistenceType确定 
+        ///     <para>
+        ///     None或ServerInsert, 此字段无意义;UserDefined, 则此字段传入用户自定义会话保持String.若无此字段则不做修改
+        ///     </para>                 
+        /// </summary>
+        public string PersistenceInfo { get; set; }
+
+        /// <summary>
+        /// 空闲连接的回收时间 
+        ///     <para>
+        ///      单位: 秒.取值范围: (0, 86400], 默认值: 60秒.若无此字段,则不做修改
+        ///     </para>                 
+        /// </summary>
+        public string ClientTimeout { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="UpdateVServerAttributeRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="ulbid">负载均衡实例ID</param>                    
+        /// <param name="vserverid">VServer实例ID</param>                           
+        public UpdateVServerAttributeRequest(string region, string ulbid, string vserverid)
+        {
+            Region = region;
+            ULBId = ulbid;
+            VServerId = vserverid;
+        }
+
+        /// <summary>
+        /// 实例化 <see cref="UpdateVServerAttributeRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="ulbid">负载均衡实例ID</param>                    
+        /// <param name="vserverid">VServer实例ID</param>                    
+        /// <param name="vservername">VServer实例名称</param>                    
+        /// <param name="protocol">VServer协议</param>                    
+        /// <param name="method">VServer负载均衡算法</param>                    
+        /// <param name="persistencetype">VServer会话保持模式</param>                    
+        /// <param name="persistenceinfo">根据PersistenceType确定</param>                    
+        /// <param name="clienttimeout">空闲连接的回收时间</param>                    
+        public UpdateVServerAttributeRequest(string region, string ulbid, string vserverid, string vservername, string protocol, string method, string persistencetype, string persistenceinfo, string clienttimeout)
+        {               
+            Region = region;
+            ULBId = ulbid;
+            VServerId = vserverid;
+            VServerName = vservername;
+            Protocol = protocol;
+            Method = method;
+            PersistenceType = persistencetype;
+            PersistenceInfo = persistenceinfo;
+            ClientTimeout = clienttimeout;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/ULB/UpdateVServerAttributeResponse.cs b/UCloudSDK.NetCore2/Models/ULB/UpdateVServerAttributeResponse.cs
new file mode 100644
index 0000000..ed6bdcd
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/ULB/UpdateVServerAttributeResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改VServer实例属性
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/ulb/update_vserver_attribute.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateVServerAttributeResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     UpdateVServerAttributeResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UMon/GetMetric.DataSet.cs b/UCloudSDK.NetCore2/Models/UMon/GetMetric.DataSet.cs
new file mode 100644
index 0000000..e017f40
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UMon/GetMetric.DataSet.cs
@@ -0,0 +1,22 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取监控数据
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/umon/get_metric.html
+    ///     </para>
+    /// </summary>
+    public partial class GetMetricDataSet
+    {
+        /// <summary>
+        /// 时间戳                
+        /// </summary>
+        public int Timestamp { get; set; }
+
+        /// <summary>
+        /// 监控数据                
+        /// </summary>
+        public float Value { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UMon/GetMetricRequest.cs b/UCloudSDK.NetCore2/Models/UMon/GetMetricRequest.cs
new file mode 100644
index 0000000..6a37d18
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UMon/GetMetricRequest.cs
@@ -0,0 +1,94 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取监控数据
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/umon/get_metric.html
+    ///     </para>
+    /// </summary>
+    public partial class GetMetricRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "GetMetric";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     GetMetric
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }  
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 监控指标名称 
+        ///     <para>
+        ///     监控指标名称
+        ///     </para>                 
+        /// </summary>
+        public NList MetricName { get; set; }
+
+        /// <summary>
+        /// 与监控指标相关的资源ID 
+        ///     <para>
+        ///     如主机，或其他产品，长度[1, 255]
+        ///     </para>                 
+        /// </summary>
+        public string ResourceId { get; set; }
+
+        /// <summary>
+        /// 资源类型 
+        ///     <para>
+        ///     资源类型，长度[1, 255]
+        ///     </para>                 
+        /// </summary>
+        public string ResourceType { get; set; }
+
+        /// <summary>
+        /// 单位秒 
+        ///     <para>
+        ///     默认一个小时
+        ///     </para>                 
+        /// </summary>
+        public int? TimeRange { get; set; }
+
+        /// <summary>
+        /// unix timestamp                
+        /// </summary>
+        public int? BeginTime { get; set; }
+
+        /// <summary>
+        /// unix timestamp                
+        /// </summary>
+        public int? EndTime { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="GetMetricRequest"/> 对象.
+        /// </summary>
+        /// <param name="region">数据中心.</param>
+        /// <param name="metricName">监控指标名称.</param>
+        /// <param name="resourceId">与监控指标相关的资源ID.</param>
+        /// <param name="resourceType">资源类型.</param>
+        public GetMetricRequest(string region, NList metricName, string resourceId, string resourceType)
+        {
+            Region = region;
+            MetricName = metricName;
+            ResourceId = resourceId;
+            ResourceType = resourceType;
+        }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UMon/GetMetricResponse.cs b/UCloudSDK.NetCore2/Models/UMon/GetMetricResponse.cs
new file mode 100644
index 0000000..283ebbf
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UMon/GetMetricResponse.cs
@@ -0,0 +1,24 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取监控数据
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/umon/get_metric.html
+    ///     </para>
+    /// </summary>
+    public partial class GetMetricResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作                
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// JSON格式监控数据列表ResponseItem                
+        /// </summary>
+        public List<string> DataSets { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/AllocateEIP.EIPAddr.cs b/UCloudSDK.NetCore2/Models/UNet/AllocateEIP.EIPAddr.cs
new file mode 100644
index 0000000..0cd3615
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/AllocateEIP.EIPAddr.cs
@@ -0,0 +1,22 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 根据提供信息，分配弹性IP
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/allocate_eip.html
+    ///     </para>
+    /// </summary>
+    public partial class AllocateEIPAddr
+    {
+        /// <summary>
+        /// 运营商信息                
+        /// </summary>
+        public string OperatorName { get; set; }
+
+        /// <summary>
+        /// IP地址                
+        /// </summary>
+        public string IP { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/AllocateEIP.EIPSet.cs b/UCloudSDK.NetCore2/Models/UNet/AllocateEIP.EIPSet.cs
new file mode 100644
index 0000000..49a3fbb
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/AllocateEIP.EIPSet.cs
@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 根据提供信息，分配弹性IP
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/allocate_eip.html
+    ///     </para>
+    /// </summary>
+    public partial class AllocateEIPSet
+    {
+        /// <summary>
+        /// 申请到的EIP资源ID                
+        /// </summary>
+        public string EIPId { get; set; }
+
+        /// <summary>
+        /// 申请到的IPv4地址 
+        ///     <para>
+        ///     双线拥有两个IP地址）
+        ///     </para>                 
+        /// </summary>
+        public List<AllocateEIPAddr> EIPAddr { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/AllocateEIPRequest.cs b/UCloudSDK.NetCore2/Models/UNet/AllocateEIPRequest.cs
new file mode 100644
index 0000000..e7c202e
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/AllocateEIPRequest.cs
@@ -0,0 +1,81 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 根据提供信息，分配弹性IP
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/allocate_eip.html
+    ///     </para>
+    /// </summary>
+    public partial class AllocateEIPRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "AllocateEIP";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     AllocateEIP
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 弹性IP的线路如下 
+        ///     <para>
+        ///     电信: Telecom联通: Unicom国际: InternationalBGP: Bgp双线: Duplet各数据中心允许的线路参数如下：cn-east-01: Telecom, Unicom, Dupletcn-south-01: Telecom, Unicom, Dupletcn-north-01: Bgpcn-north-02: Bgpcn-north-03: Bgphk-01: Internationalus-west-01: International
+        ///     </para>                 
+        /// </summary>
+        public string OperatorName { get; set; }
+
+        /// <summary>
+        /// 弹性IP的外网带宽 
+        ///     <para>
+        ///     单位为Mbps，范围 [0-800]；共享带宽模式必须指定0M带宽，非共享带宽模式必须指定非0M带宽
+        ///     </para>                 
+        /// </summary>
+        public int Bandwidth { get; set; }
+
+        /// <summary>
+        /// 计费模式 
+        ///     <para>
+        ///     枚举值为：Year，按年付费；Month，按月付费；Dynamic，按需付费(需开启权限)；Trial，试用(需开启权限)默认为按月付费
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 购买时长 
+        ///     <para>
+        ///     默认: 1
+        ///     </para>                 
+        /// </summary>
+        public int? Quantity { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="AllocateEIPRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="operatorname">弹性IP的线路如下</param>                    
+        /// <param name="bandwidth">弹性IP的外网带宽</param>                    
+        public AllocateEIPRequest(string region, string operatorname, int bandwidth)
+        {               
+            Region = region;
+            OperatorName = operatorname;
+            Bandwidth = bandwidth;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/AllocateEIPResponse.cs b/UCloudSDK.NetCore2/Models/UNet/AllocateEIPResponse.cs
new file mode 100644
index 0000000..8e82cca
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/AllocateEIPResponse.cs
@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 根据提供信息，分配弹性IP
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/allocate_eip.html
+    ///     </para>
+    /// </summary>
+    public partial class AllocateEIPResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     AllocateEIPResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 申请到的EIP资源详情                
+        /// </summary>
+        public List<AllocateEIPSet> EIPSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/AllocateVIPRequest.cs b/UCloudSDK.NetCore2/Models/UNet/AllocateVIPRequest.cs
new file mode 100644
index 0000000..e9177cd
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/AllocateVIPRequest.cs
@@ -0,0 +1,53 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 根据提供信息，分配内网VIP(Virtual IP，多用于高可用程序作为漂移IP。)
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/allocate_vip.html
+    ///     </para>
+    /// </summary>
+    public partial class AllocateVIPRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "AllocateVIP";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     AllocateVIP
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 申请数量 
+        ///     <para>
+        ///     默认: 1
+        ///     </para>                 
+        /// </summary>
+        public int? Count { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="AllocateVIPRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        public AllocateVIPRequest(string region)
+        {               
+            Region = region;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/AllocateVIPResponse.cs b/UCloudSDK.NetCore2/Models/UNet/AllocateVIPResponse.cs
new file mode 100644
index 0000000..71b2e8a
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/AllocateVIPResponse.cs
@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 根据提供信息，分配内网VIP(Virtual IP，多用于高可用程序作为漂移IP。)
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/allocate_vip.html
+    ///     </para>
+    /// </summary>
+    public partial class AllocateVIPResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     AllocateVIPResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 申请到的VIP资源地址                
+        /// </summary>
+        public List<string> DataSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/BindEIPRequest.cs b/UCloudSDK.NetCore2/Models/UNet/BindEIPRequest.cs
new file mode 100644
index 0000000..883ad19
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/BindEIPRequest.cs
@@ -0,0 +1,69 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 将弹性IP绑定到资源上
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/bind_eip.html
+    ///     </para>
+    /// </summary>
+    public partial class BindEIPRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "BindEIP";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     BindEIP
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 弹性IP的资源Id                
+        /// </summary>
+        public string EIPId { get; set; }
+
+        /// <summary>
+        /// 弹性IP请求绑定的资源类型 
+        ///     <para>
+        ///     枚举值为：uhost：云主机；vrouter：虚拟路由器；ulb，负载均衡器
+        ///     </para>                 
+        /// </summary>
+        public string ResourceType { get; set; }
+
+        /// <summary>
+        /// 弹性IP请求绑定的资源ID                
+        /// </summary>
+        public string ResourceId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="BindEIPRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="eipid">弹性IP的资源Id</param>                    
+        /// <param name="resourcetype">弹性IP请求绑定的资源类型</param>                    
+        /// <param name="resourceid">弹性IP请求绑定的资源ID</param>                    
+        public BindEIPRequest(string region, string eipid, string resourcetype, string resourceid)
+        {               
+            Region = region;
+            EIPId = eipid;
+            ResourceType = resourcetype;
+            ResourceId = resourceid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/BindEIPResponse.cs b/UCloudSDK.NetCore2/Models/UNet/BindEIPResponse.cs
new file mode 100644
index 0000000..d236de1
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/BindEIPResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 将弹性IP绑定到资源上
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/bind_eip.html
+    ///     </para>
+    /// </summary>
+    public partial class BindEIPResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     BindEIPResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/CreateSecurityGroup.Rule.n.cs b/UCloudSDK.NetCore2/Models/UNet/CreateSecurityGroup.Rule.n.cs
new file mode 100644
index 0000000..298ebbc
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/CreateSecurityGroup.Rule.n.cs
@@ -0,0 +1,12 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建防火墙组
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/create_security_group.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateSecurityGroupRul:SecurityGroupRule
+    {
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/CreateSecurityGroupRequest.cs b/UCloudSDK.NetCore2/Models/UNet/CreateSecurityGroupRequest.cs
new file mode 100644
index 0000000..36dc609
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/CreateSecurityGroupRequest.cs
@@ -0,0 +1,69 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建防火墙组
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/create_security_group.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateSecurityGroupRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "CreateSecurityGroup";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     CreateSecurityGroup
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 防火墙组名称                
+        /// </summary>
+        public string GroupName { get; set; }
+
+        /// <summary>
+        /// 防火墙组描述                
+        /// </summary>
+        public string Description { get; set; }
+
+        /// <summary>
+        /// 防火墙规则 
+        ///     <para>
+        ///     格式如下：
+        ///     </para>                 
+        /// </summary>
+        public NList Rule { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="CreateSecurityGroupRequest" /> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>
+        /// <param name="groupname">防火墙组名称</param>
+        /// <param name="description">防火墙组描述.</param>
+        /// <param name="rule">防火墙规则</param>
+        public CreateSecurityGroupRequest(string region, string groupname, string description, NList rule)
+        {               
+            Region = region;
+            GroupName = groupname;
+            Description = description;
+            Rule = rule;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/CreateSecurityGroupResponse.cs b/UCloudSDK.NetCore2/Models/UNet/CreateSecurityGroupResponse.cs
new file mode 100644
index 0000000..1806f61
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/CreateSecurityGroupResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 创建防火墙组
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/create_security_group.html
+    ///     </para>
+    /// </summary>
+    public partial class CreateSecurityGroupResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     CreateSecurityGroupResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/DeleteSecurityGroupRequest.cs b/UCloudSDK.NetCore2/Models/UNet/DeleteSecurityGroupRequest.cs
new file mode 100644
index 0000000..ae4d56b
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/DeleteSecurityGroupRequest.cs
@@ -0,0 +1,52 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除防火墙
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/delete_security_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteSecurityGroupRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DeleteSecurityGroup";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DeleteSecurityGroup
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 防火墙资源ID                
+        /// </summary>
+        public string GroupId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DeleteSecurityGroupRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="groupid">防火墙资源ID</param>                    
+        public DeleteSecurityGroupRequest(string region, string groupid)
+        {               
+            Region = region;
+            GroupId = groupid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/DeleteSecurityGroupResponse.cs b/UCloudSDK.NetCore2/Models/UNet/DeleteSecurityGroupResponse.cs
new file mode 100644
index 0000000..a494453
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/DeleteSecurityGroupResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 删除防火墙
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/delete_security_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DeleteSecurityGroupResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     CreateSecurityGroupResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/DescribeEIP.EIPAddr.cs b/UCloudSDK.NetCore2/Models/UNet/DescribeEIP.EIPAddr.cs
new file mode 100644
index 0000000..20da8c6
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/DescribeEIP.EIPAddr.cs
@@ -0,0 +1,25 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取弹性IP详细信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/describe_eip.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeEIPAddr
+    {
+        /// <summary>
+        /// 弹性IP的运营商信息 
+        ///     <para>
+        ///     枚举值为：Telecom：电信IPUnicom：联通IPDuplet：双线IP（电信+联通）Bgp：BGP IPInternational：国际IP
+        ///     </para>                 
+        /// </summary>
+        public string OperatorName { get; set; }
+
+        /// <summary>
+        /// 弹性IP地址                
+        /// </summary>
+        public string IP { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/DescribeEIP.EIPSet.cs b/UCloudSDK.NetCore2/Models/UNet/DescribeEIP.EIPSet.cs
new file mode 100644
index 0000000..9768918
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/DescribeEIP.EIPSet.cs
@@ -0,0 +1,91 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取弹性IP详细信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/describe_eip.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeEIPSet
+    {
+        /// <summary>
+        /// 弹性IP的资源ID                
+        /// </summary>
+        public string EIPId { get; set; }
+
+        /// <summary>
+        /// 外网出口权重 
+        ///     <para>
+        ///     默认为50，范围[0-100]
+        ///     </para>                 
+        /// </summary>
+        public int Weight { get; set; }
+
+        /// <summary>
+        /// 带宽模式 
+        ///     <para>
+        ///     枚举值为：0：非共享带宽模式，1：共享带宽模式
+        ///     </para>                 
+        /// </summary>
+        public int BandwidthType { get; set; }
+
+        /// <summary>
+        /// 弹性IP的带宽 
+        ///     <para>
+        ///     单位为Mbps，当BandwidthType=1时，该处显示为共享带宽值。
+        ///     </para>                 
+        /// </summary>
+        public int Bandwidth { get; set; }
+
+        /// <summary>
+        /// 弹性IP的资源绑定状态 
+        ///     <para>
+        ///     枚举值为：used：已绑定，free：未绑定
+        ///     </para>                 
+        /// </summary>
+        public string Status { get; set; }
+
+        /// <summary>
+        /// 计费模式 
+        ///     <para>
+        ///     枚举值为：Year，按年付费；Month，按月付费；Dynamic，按小时付费；Trial，试用
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 弹性IP的创建时间 
+        ///     <para>
+        ///     格式为Unix Timestamp
+        ///     </para>                 
+        /// </summary>
+        public int CreateTime { get; set; }
+
+        /// <summary>
+        /// 弹性IP的到期时间 
+        ///     <para>
+        ///     格式为Unix Timestamp
+        ///     </para>                 
+        /// </summary>
+        public int ExpireTime { get; set; }
+
+        /// <summary>
+        /// 弹性IP的详细信息列表 
+        ///     <para>
+        ///     具体结构见下方Resource
+        ///     </para>                 
+        /// </summary>
+        public List<DescribeEIPResource> Resource { get; set; }
+
+        /// <summary>
+        /// 弹性IP的详细信息列表 
+        ///     <para>
+        ///     具体结构见下方EIPAddr
+        ///     </para>                 
+        /// </summary>
+        public List<DescribeEIPAddr> EIPAddr { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/DescribeEIP.Resource.cs b/UCloudSDK.NetCore2/Models/UNet/DescribeEIP.Resource.cs
new file mode 100644
index 0000000..c9fcd3f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/DescribeEIP.Resource.cs
@@ -0,0 +1,27 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取弹性IP详细信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/describe_eip.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeEIPResource
+    {
+        /// <summary>
+        /// 已绑定的资源类型                
+        /// </summary>
+        public string ResourceType { get; set; }
+
+        /// <summary>
+        /// 已绑定的资源名称                
+        /// </summary>
+        public string ResourceName { get; set; }
+
+        /// <summary>
+        /// 已绑定资源的资源ID                
+        /// </summary>
+        public string ResourceId { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/DescribeEIPRequest.cs b/UCloudSDK.NetCore2/Models/UNet/DescribeEIPRequest.cs
new file mode 100644
index 0000000..49a60e8
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/DescribeEIPRequest.cs
@@ -0,0 +1,69 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取弹性IP详细信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/describe_eip.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeEIPRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeEIP";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeEIP
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 弹性IP的资源ID如果为空 
+        ///     <para>
+        ///     则返回当前Region中符合条件的的所有EIP
+        ///     </para>                 
+        /// </summary>
+        public NList EIPIds { get; set; }
+
+        /// <summary>
+        /// 数据偏移量 
+        ///     <para>
+        ///     默认为0
+        ///     </para>                 
+        /// </summary>
+        public int? Offset { get; set; }
+
+        /// <summary>
+        /// 数据分页值 
+        ///     <para>
+        ///     默认为20
+        ///     </para>                 
+        /// </summary>
+        public int? Limit { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeEIPRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        public DescribeEIPRequest(string region)
+        {               
+            Region = region;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/DescribeEIPResponse.cs b/UCloudSDK.NetCore2/Models/UNet/DescribeEIPResponse.cs
new file mode 100644
index 0000000..f040007
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/DescribeEIPResponse.cs
@@ -0,0 +1,35 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取弹性IP详细信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/describe_eip.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeEIPResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     DescribeEIPResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 满足条件的弹性IP总数                
+        /// </summary>
+        public int TotalCount { get; set; }
+
+        /// <summary>
+        /// 弹性IP列表 
+        ///     <para>
+        ///     每项参数详见DataSet
+        ///     </para>                 
+        /// </summary>
+        public List<DescribeEIPSet> EIPSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroup.DataSet.cs b/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroup.DataSet.cs
new file mode 100644
index 0000000..515e4a7
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroup.DataSet.cs
@@ -0,0 +1,48 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取防火墙组信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/describe_security_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeSecurityGroupDataSet
+    {
+        /// <summary>
+        /// 防火墙组的资源ID                
+        /// </summary>
+        public string GroupId { get; set; }
+
+        /// <summary>
+        /// 防火墙组的名称                
+        /// </summary>
+        public string GroupName { get; set; }
+
+        /// <summary>
+        /// 防火墙组创建时间 
+        ///     <para>
+        ///     格式为Unix Timestamp
+        ///     </para>                 
+        /// </summary>
+        public string CreateTime { get; set; }
+
+        /// <summary>
+        /// 防火墙组类型 
+        ///     <para>
+        ///     枚举值为：0：用户自定义防火墙；1：默认Web防火墙；2：默认非Web防火墙
+        ///     </para>                 
+        /// </summary>
+        public string Type { get; set; }
+
+        /// <summary>
+        /// 防火墙组中的规则列表 
+        ///     <para>
+        ///     结构如下：
+        ///     </para>                 
+        /// </summary>
+        public List<DescribeSecurityGroupRule> Rule { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroup.Rule.cs b/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroup.Rule.cs
new file mode 100644
index 0000000..d06c855
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroup.Rule.cs
@@ -0,0 +1,37 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取防火墙组信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/describe_security_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeSecurityGroupRule
+    {
+        /// <summary>
+        /// 源地址                
+        /// </summary>
+        public string SrcIP { get; set; }
+
+        /// <summary>
+        /// 优先级                
+        /// </summary>
+        public int Priority { get; set; }
+
+        /// <summary>
+        /// 协议类型                
+        /// </summary>
+        public string ProtocolType { get; set; }
+
+        /// <summary>
+        /// 目标端口                
+        /// </summary>
+        public string DstPort { get; set; }
+
+        /// <summary>
+        /// 防火墙动作                
+        /// </summary>
+        public string RuleAction { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroupRequest.cs b/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroupRequest.cs
new file mode 100644
index 0000000..6495c68
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroupRequest.cs
@@ -0,0 +1,63 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取防火墙组信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/describe_security_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeSecurityGroupRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeSecurityGroup";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeSecurityGroup
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 绑定防火墙组的资源类型 
+        ///     <para>
+        ///     如uhost
+        ///     </para>                 
+        /// </summary>
+        public string ResourceType { get; set; }
+
+        /// <summary>
+        /// 绑定防火墙组的资源ID                
+        /// </summary>
+        public int? ResourceId { get; set; }
+
+        /// <summary>
+        /// 防火墙ID                
+        /// </summary>
+        public int? GroupId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeSecurityGroupRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        public DescribeSecurityGroupRequest(string region)
+        {               
+            Region = region;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroupResourceRequest.cs b/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroupResourceRequest.cs
new file mode 100644
index 0000000..0762e36
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroupResourceRequest.cs
@@ -0,0 +1,52 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取防火墙组所绑定资源的外网IP
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/describe_security_group_resource.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeSecurityGroupResourceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeSecurityGroupResource";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeSecurityGroupResource
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 防火墙ID                
+        /// </summary>
+        public string GroupId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeSecurityGroupResourceRequest" /> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>
+        /// <param name="groupid">防火墙ID.</param>
+        public DescribeSecurityGroupResourceRequest(string region, string groupid)
+        {               
+            Region = region;
+            GroupId = groupid;
+        }
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroupResourceResponse.cs b/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroupResourceResponse.cs
new file mode 100644
index 0000000..97a876a
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroupResourceResponse.cs
@@ -0,0 +1,30 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取防火墙组所绑定资源的外网IP
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/describe_security_group_resource.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeSecurityGroupResourceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     DescribeSecurityGroupResourceResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// IP列表数组 如 [“10 
+        ///     <para>
+        ///     10.10.10”, “10.10.10.11”]
+        ///     </para>                 
+        /// </summary>
+        public List<string> DataSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroupResponse.cs b/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroupResponse.cs
new file mode 100644
index 0000000..e84ea4f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/DescribeSecurityGroupResponse.cs
@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取防火墙组信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/describe_security_group.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeSecurityGroupResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     DescribeSecurityGroupResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 获取的防火墙组详细信息                
+        /// </summary>
+        public List<DescribeSecurityGroupDataSet> DataSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/DescribeVIPRequest.cs b/UCloudSDK.NetCore2/Models/UNet/DescribeVIPRequest.cs
new file mode 100644
index 0000000..fcd97cb
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/DescribeVIPRequest.cs
@@ -0,0 +1,45 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取内网VIP详细信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/describe_vip.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeVIPRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "DescribeVIP";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     DescribeVIP
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="DescribeVIPRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        public DescribeVIPRequest(string region)
+        {               
+            Region = region;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/DescribeVIPResponse.cs b/UCloudSDK.NetCore2/Models/UNet/DescribeVIPResponse.cs
new file mode 100644
index 0000000..aaa4f1e
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/DescribeVIPResponse.cs
@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取内网VIP详细信息
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/describe_vip.html
+    ///     </para>
+    /// </summary>
+    public partial class DescribeVIPResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     DescribeEIPResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 内网VIP地址列表                
+        /// </summary>
+        public List<string> DataSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/GetEIPPrice.PriceSet.cs b/UCloudSDK.NetCore2/Models/UNet/GetEIPPrice.PriceSet.cs
new file mode 100644
index 0000000..29497d2
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/GetEIPPrice.PriceSet.cs
@@ -0,0 +1,30 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取弹性IP价格
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/get_eip_price.html
+    ///     </para>
+    /// </summary>
+    public partial class GetEIPPriceSet
+    {
+        /// <summary>
+        /// 弹性IP计费类型                
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 弹性IP价格                
+        /// </summary>
+        public string Price { get; set; }
+
+        /// <summary>
+        /// 资源有效期 
+        ///     <para>
+        ///     以Unix Timestamp表示
+        ///     </para>                 
+        /// </summary>
+        public int PurchaseValue { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/GetEIPPriceRequest.cs b/UCloudSDK.NetCore2/Models/UNet/GetEIPPriceRequest.cs
new file mode 100644
index 0000000..8161827
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/GetEIPPriceRequest.cs
@@ -0,0 +1,73 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取弹性IP价格
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/get_eip_price.html
+    ///     </para>
+    /// </summary>
+    public partial class GetEIPPriceRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "GetEIPPrice";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     GetEIPPrice
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }  
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 弹性IP的线路如下 
+        ///     <para>
+        ///     电信: Telecom联通: Unicom国际: InternationalBGP: Bgp双线: Duplet各数据中心允许的线路参数如下：cn-east-01: Telecom, Unicom, Dupletcn-south-01: Telecom, Unicom, Dupletcn-north-01: Bgpcn-north-02: Bgpcn-north-03: Bgphk-01: Internationalus-west-01: International
+        ///     </para>                 
+        /// </summary>
+        public string OperatorName { get; set; }
+
+        /// <summary>
+        /// 弹性IP的外网带宽 
+        ///     <para>
+        ///     单位为Mbps，范围 [0-800]；
+        ///     </para>                 
+        /// </summary>
+        public int Bandwidth { get; set; }
+
+        /// <summary>
+        /// 计费模式 
+        ///     <para>
+        ///     枚举值为：Year，按年付费；Month，按月付费；Dynamic，按需付费(需开启权限)；默认为获取三种价格
+        ///     </para>                 
+        /// </summary>
+        public string ChargeType { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="GetEIPPriceRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="operatorname">弹性IP的线路如下</param>                    
+        /// <param name="bandwidth">弹性IP的外网带宽</param>                    
+        public GetEIPPriceRequest(string region, string operatorname, int bandwidth)
+        {               
+            Region = region;
+            OperatorName = operatorname;
+            Bandwidth = bandwidth;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/GetEIPPriceResponse.cs b/UCloudSDK.NetCore2/Models/UNet/GetEIPPriceResponse.cs
new file mode 100644
index 0000000..22bf3b8
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/GetEIPPriceResponse.cs
@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 获取弹性IP价格
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/get_eip_price.html
+    ///     </para>
+    /// </summary>
+    public partial class GetEIPPriceResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     GetEIPPriceResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+        /// <summary>
+        /// 弹性IP价格详情                
+        /// </summary>
+        public List<GetEIPPriceSet> PriceSet { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/GrantSecurityGroupRequest.cs b/UCloudSDK.NetCore2/Models/UNet/GrantSecurityGroupRequest.cs
new file mode 100644
index 0000000..4b8691f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/GrantSecurityGroupRequest.cs
@@ -0,0 +1,69 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 将防火墙应用到资源上
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/grant_security_group.html
+    ///     </para>
+    /// </summary>
+    public partial class GrantSecurityGroupRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "GrantSecurityGroup";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     GrantSecurityGroup
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }  
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 防火墙资源ID                
+        /// </summary>
+        public string GroupId { get; set; }
+
+        /// <summary>
+        /// 所应用资源类型 
+        ///     <para>
+        ///     如UHost
+        ///     </para>                 
+        /// </summary>
+        public string ResourceType { get; set; }
+
+        /// <summary>
+        /// 所应用资源ID                
+        /// </summary>
+        public string ResourceId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="GrantSecurityGroupRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="groupid">防火墙资源ID</param>                    
+        /// <param name="resourcetype">所应用资源类型</param>                    
+        /// <param name="resourceid">所应用资源ID</param>                    
+        public GrantSecurityGroupRequest(string region, string groupid, string resourcetype, string resourceid)
+        {               
+            Region = region;
+            GroupId = groupid;
+            ResourceType = resourcetype;
+            ResourceId = resourceid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/GrantSecurityGroupResponse.cs b/UCloudSDK.NetCore2/Models/UNet/GrantSecurityGroupResponse.cs
new file mode 100644
index 0000000..3a33643
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/GrantSecurityGroupResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 将防火墙应用到资源上
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/grant_security_group.html
+    ///     </para>
+    /// </summary>
+    public partial class GrantSecurityGroupResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     GrantSecurityGroupResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/ModifyEIPBandwidthRequest.cs b/UCloudSDK.NetCore2/Models/UNet/ModifyEIPBandwidthRequest.cs
new file mode 100644
index 0000000..677923f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/ModifyEIPBandwidthRequest.cs
@@ -0,0 +1,62 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改弹性IP的外网带宽
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/modify_eip_bandwidth.html
+    ///     </para>
+    /// </summary>
+    public partial class ModifyEIPBandwidthRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "ModifyEIPBandwidth";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     ModifyEIPBandwidth
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 弹性IP的资源ID                
+        /// </summary>
+        public string EIPId { get; set; }
+
+        /// <summary>
+        /// 弹性IP的外网带宽 
+        ///     <para>
+        ///     单位为Mbps，范围 [0-800]
+        ///     </para>                 
+        /// </summary>
+        public int Bandwidth { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="ModifyEIPBandwidthRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="eipid">弹性IP的资源ID</param>                    
+        /// <param name="bandwidth">弹性IP的外网带宽</param>                    
+        public ModifyEIPBandwidthRequest(string region, string eipid, int bandwidth)
+        {               
+            Region = region;
+            EIPId = eipid;
+            Bandwidth = bandwidth;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/ModifyEIPBandwidthResponse.cs b/UCloudSDK.NetCore2/Models/UNet/ModifyEIPBandwidthResponse.cs
new file mode 100644
index 0000000..d2ee804
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/ModifyEIPBandwidthResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改弹性IP的外网带宽
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/modify_eip_bandwidth.html
+    ///     </para>
+    /// </summary>
+    public partial class ModifyEIPBandwidthResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     ModifyEIPBandwidthResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/ModifyEIPWeightRequest.cs b/UCloudSDK.NetCore2/Models/UNet/ModifyEIPWeightRequest.cs
new file mode 100644
index 0000000..27c6e9c
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/ModifyEIPWeightRequest.cs
@@ -0,0 +1,62 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改弹性IP的外网出口权重
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/modify_eip_weight.html
+    ///     </para>
+    /// </summary>
+    public partial class ModifyEIPWeightRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "ModifyEIPWeight";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     ModifyEIPWeight
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 弹性IP的资源ID                
+        /// </summary>
+        public string EIPId { get; set; }
+
+        /// <summary>
+        /// 外网出口权重 
+        ///     <para>
+        ///     范围[0-100]
+        ///     </para>                 
+        /// </summary>
+        public int Weight { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="ModifyEIPWeightRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="eipid">弹性IP的资源ID</param>                    
+        /// <param name="weight">外网出口权重</param>                    
+        public ModifyEIPWeightRequest(string region, string eipid, int weight)
+        {               
+            Region = region;
+            EIPId = eipid;
+            Weight = weight;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/ModifyEIPWeightResponse.cs b/UCloudSDK.NetCore2/Models/UNet/ModifyEIPWeightResponse.cs
new file mode 100644
index 0000000..babe2dd
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/ModifyEIPWeightResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改弹性IP的外网出口权重
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/modify_eip_weight.html
+    ///     </para>
+    /// </summary>
+    public partial class ModifyEIPWeightResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     ModifyEIPWeightResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/ReleaseEIPRequest.cs b/UCloudSDK.NetCore2/Models/UNet/ReleaseEIPRequest.cs
new file mode 100644
index 0000000..74d418f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/ReleaseEIPRequest.cs
@@ -0,0 +1,52 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 释放EIP资源
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/release_eip.html
+    ///     </para>
+    /// </summary>
+    public partial class ReleaseEIPRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "ReleaseEIP";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     ReleaseEIP
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        }  
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 弹性IP的资源ID                
+        /// </summary>
+        public string EIPId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="ReleaseEIPRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="eipid">弹性IP的资源ID</param>                    
+        public ReleaseEIPRequest(string region, string eipid)
+        {               
+            Region = region;
+            EIPId = eipid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/ReleaseEIPResponse.cs b/UCloudSDK.NetCore2/Models/UNet/ReleaseEIPResponse.cs
new file mode 100644
index 0000000..0f342f6
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/ReleaseEIPResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 释放EIP资源
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/release_eip.html
+    ///     </para>
+    /// </summary>
+    public partial class ReleaseEIPResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     ReleaseEIPResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/ReleaseVIPRequest.cs b/UCloudSDK.NetCore2/Models/UNet/ReleaseVIPRequest.cs
new file mode 100644
index 0000000..b9c3e57
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/ReleaseVIPRequest.cs
@@ -0,0 +1,52 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 释放VIP资源
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/release_vip.html
+    ///     </para>
+    /// </summary>
+    public partial class ReleaseVIPRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "ReleaseVIP";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     ReleaseVIP
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 内网VIP的IP地址                
+        /// </summary>
+        public string VIP { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="ReleaseVIPRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="vip">内网VIP的IP地址</param>                    
+        public ReleaseVIPRequest(string region, string vip)
+        {               
+            Region = region;
+            VIP = vip;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/ReleaseVIPResponse.cs b/UCloudSDK.NetCore2/Models/UNet/ReleaseVIPResponse.cs
new file mode 100644
index 0000000..85b845e
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/ReleaseVIPResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 释放VIP资源
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/release_vip.html
+    ///     </para>
+    /// </summary>
+    public partial class ReleaseVIPResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     ReleaseVIPResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/UnBindEIPRequest.cs b/UCloudSDK.NetCore2/Models/UNet/UnBindEIPRequest.cs
new file mode 100644
index 0000000..0d20003
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/UnBindEIPRequest.cs
@@ -0,0 +1,69 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 将弹性IP从资源上解绑
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/unbind_eip.html
+    ///     </para>
+    /// </summary>
+    public partial class UnBindEIPRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "UnBindEIP";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     UnBindEIP
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 弹性IP的资源Id                
+        /// </summary>
+        public string EIPId { get; set; }
+
+        /// <summary>
+        /// 弹性IP请求解绑的资源类型 
+        ///     <para>
+        ///     枚举值为：uhost：云主机；vrouter：虚拟路由器；ulb，负载均衡器
+        ///     </para>                 
+        /// </summary>
+        public string ResourceType { get; set; }
+
+        /// <summary>
+        /// 弹性IP请求解绑的资源ID                
+        /// </summary>
+        public string ResourceId { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="UnBindEIPRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="eipid">弹性IP的资源Id</param>                    
+        /// <param name="resourcetype">弹性IP请求解绑的资源类型</param>                    
+        /// <param name="resourceid">弹性IP请求解绑的资源ID</param>                    
+        public UnBindEIPRequest(string region, string eipid, string resourcetype, string resourceid)
+        {               
+            Region = region;
+            EIPId = eipid;
+            ResourceType = resourcetype;
+            ResourceId = resourceid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/UnBindEIPResponse.cs b/UCloudSDK.NetCore2/Models/UNet/UnBindEIPResponse.cs
new file mode 100644
index 0000000..63c7cbc
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/UnBindEIPResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 将弹性IP从资源上解绑
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/unbind_eip.html
+    ///     </para>
+    /// </summary>
+    public partial class UnBindEIPResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     UnBindEIPResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/UpdateEIPAttributeRequest.cs b/UCloudSDK.NetCore2/Models/UNet/UpdateEIPAttributeRequest.cs
new file mode 100644
index 0000000..08be48f
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/UpdateEIPAttributeRequest.cs
@@ -0,0 +1,77 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改EIP名字业务组备注等属性字段
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/update_eip_attribute.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateEIPAttributeRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "UpdateEIPAttribute";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     UpdateEIPAttribute
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// EIP资源ID                
+        /// </summary>
+        public string EIPId { get; set; }
+
+        /// <summary>
+        /// 名字 
+        ///     <para>
+        ///     Name Tag Remark都为空则报错
+        ///     </para>                 
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 弹性IP的业务组标识    
+        ///     <para>
+        ///     Name Tag Remark都为空则报错
+        ///     </para>            
+        /// </summary>
+        public string Tag { get; set; }
+
+        /// <summary>
+        /// 弹性IP的备注信息 
+        ///     <para>
+        ///     Name Tag Remark都为空则报错
+        ///     </para>          
+        /// </summary>
+        public string Remark { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="UpdateEIPAttributeRequest"/> 类. 
+        /// <para>必需设置Name Tag Remark中的一个</para>
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="eipid">EIP资源ID</param>                    
+        public UpdateEIPAttributeRequest(string region, string eipid)
+        {               
+            Region = region;
+            EIPId = eipid;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/UpdateEIPAttributeResponse.cs b/UCloudSDK.NetCore2/Models/UNet/UpdateEIPAttributeResponse.cs
new file mode 100644
index 0000000..940a9a2
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/UpdateEIPAttributeResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 修改EIP名字业务组备注等属性字段
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/update_eip_attribute.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateEIPAttributeResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     UpdateEIPAttributeResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/UpdateSecurityGroup.Rule.n.cs b/UCloudSDK.NetCore2/Models/UNet/UpdateSecurityGroup.Rule.n.cs
new file mode 100644
index 0000000..6fcbadf
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/UpdateSecurityGroup.Rule.n.cs
@@ -0,0 +1,13 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 更新防火墙规则
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/update_security_group.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateSecurityGroupRule : SecurityGroupRule
+    {
+        
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/UpdateSecurityGroupRequest.cs b/UCloudSDK.NetCore2/Models/UNet/UpdateSecurityGroupRequest.cs
new file mode 100644
index 0000000..7f61372
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/UpdateSecurityGroupRequest.cs
@@ -0,0 +1,62 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 更新防火墙规则
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/update_security_group.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateSecurityGroupRequest
+    {
+        /// <summary>
+        /// 默认Action名称
+        /// </summary>
+        private string _action = "UpdateSecurityGroup";
+
+        /// <summary>
+        /// API名称
+        ///     <para>
+        ///     UpdateSecurityGroup
+        ///     </para>
+        /// </summary>
+        public string Action
+        {
+            get { return _action; }
+            set { _action = value; }
+        } 
+               
+        /// <summary>
+        /// 数据中心 
+        ///     <para>
+        ///     参见 数据中心列表
+        ///     </para>                 
+        /// </summary>
+        public string Region { get; set; }
+
+        /// <summary>
+        /// 防火墙资源ID                
+        /// </summary>
+        public string GroupId { get; set; }
+
+        /// <summary>
+        /// 防火墙规则 
+        ///     <para>
+        ///     格式如下
+        ///     </para>                 
+        /// </summary>
+        public NList Rule { get; set; }
+
+        /// <summary>
+        /// 实例化 <see cref="UpdateSecurityGroupRequest"/> 类.
+        /// </summary>
+        /// <param name="region">数据中心</param>                    
+        /// <param name="groupid">防火墙资源ID</param>                    
+        /// <param name="rule">防火墙规则</param>                    
+        public UpdateSecurityGroupRequest(string region, string groupid, NList rule)
+        {               
+            Region = region;
+            GroupId = groupid;
+            Rule = rule;
+        }                
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UNet/UpdateSecurityGroupResponse.cs b/UCloudSDK.NetCore2/Models/UNet/UpdateSecurityGroupResponse.cs
new file mode 100644
index 0000000..fa30035
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UNet/UpdateSecurityGroupResponse.cs
@@ -0,0 +1,20 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    /// 更新防火墙规则
+    ///     <para>
+    ///     http://docs.ucloud.cn/api/unet/update_security_group.html
+    ///     </para>
+    /// </summary>
+    public partial class UpdateSecurityGroupResponse : UResponse
+    {
+        /// <summary>
+        /// 响应动作 
+        ///     <para>
+        ///     UpdateSecurityGroupResponse
+        ///     </para>                 
+        /// </summary>
+        public string Action { get; set; }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/Models/UResponse.cs b/UCloudSDK.NetCore2/Models/UResponse.cs
new file mode 100644
index 0000000..ca97682
--- /dev/null
+++ b/UCloudSDK.NetCore2/Models/UResponse.cs
@@ -0,0 +1,21 @@
+namespace UCloudSDK.Models
+{
+    /// <summary>
+    ///     返回结果
+    /// </summary>
+    public class UResponse
+    {
+        /// <summary>
+        /// 执行结果代码
+        ///     <para>
+        ///     执行成功与否，0 表示成功，其他值则为错误代码.
+        ///     </para>
+        /// </summary>
+        public int RetCode { get; set; }
+
+        /// <summary>
+        /// 错误消息.
+        /// </summary>
+        public string Message { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/UCloudSDK.NetCore2/SMS.cs b/UCloudSDK.NetCore2/SMS.cs
new file mode 100644
index 0000000..efccc7a
--- /dev/null
+++ b/UCloudSDK.NetCore2/SMS.cs
@@ -0,0 +1,20 @@
+using RestSharp;
+using UCloudSDK.Models;
+
+namespace UCloudSDK
+{
+    public partial class UCloud
+    {
+        /// <summary>
+        ///     发送短信.
+        /// </summary>
+        /// <param name="requestParams">短信发送对象.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.SMSResponse" /></returns>
+        public SMSResponse SendSms(SMSRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<SMSResponse>(request);
+        }
+    }
+}
\ No newline at end of file
diff --git a/UCloudSDK.NetCore2/UCDN.cs b/UCloudSDK.NetCore2/UCDN.cs
new file mode 100644
index 0000000..62b2162
--- /dev/null
+++ b/UCloudSDK.NetCore2/UCDN.cs
@@ -0,0 +1,208 @@
+using RestSharp;
+using UCloudSDK.Models;
+
+namespace UCloudSDK
+{
+    /// <summary>
+    /// 云分发
+    /// </summary>
+    public partial class UCDN : UCloud
+    {
+        /// <summary>
+        /// 初始化 <see cref="UCDN"/> 类.
+        /// </summary>
+        public UCDN()
+        {
+        }
+
+        /// <summary>
+        /// 初始化 <see cref="UCDN"/> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        public UCDN(string publicKey, string privateKey)
+            : base(publicKey, privateKey)
+        {
+        }
+
+        /// <summary>
+        /// 初始化 <see cref="UCDN"/> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        /// <param name="baseUrl">API请求地址.</param>
+        public UCDN(string publicKey, string privateKey, string baseUrl)
+            : base(publicKey, privateKey, baseUrl)
+        {
+        }
+
+        /// <summary>
+        /// 购买流量
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.BuyUcdnTrafficResponse"/></returns>
+        public BuyUcdnTrafficResponse BuyUcdnTraffic(BuyUcdnTrafficRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<BuyUcdnTrafficResponse>(request);
+        }
+
+        /// <summary>
+        /// 创建加速域名
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreateUcdnDomainResponse"/></returns>
+        public CreateUcdnDomainResponse CreateUcdnDomain(CreateUcdnDomainRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreateUcdnDomainResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取域名预取任务状态
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribePrefetchCacheTaskResponse"/></returns>
+        public DescribePrefetchCacheTaskResponse DescribePrefetchCacheTask(DescribePrefetchCacheTaskRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribePrefetchCacheTaskResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取域名刷新任务状态
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeRefreshCacheTaskResponse"/></returns>
+        public DescribeRefreshCacheTaskResponse DescribeRefreshCacheTask(DescribeRefreshCacheTaskRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeRefreshCacheTaskResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取加速域名详细信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeUcdnDomainResponse"/></returns>
+        public DescribeUcdnDomainResponse DescribeUcdnDomain(DescribeUcdnDomainRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeUcdnDomainResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取加速域名带宽使用信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.GetUcdnDomainBandwidthResponse"/></returns>
+        public GetUcdnDomainBandwidthResponse GetUcdnDomainBandwidth(GetUcdnDomainBandwidthRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<GetUcdnDomainBandwidthResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取加速域名原始日志
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.GetUcdnDomainLogResponse"/></returns>
+        public GetUcdnDomainLogResponse GetUcdnDomainLog(GetUcdnDomainLogRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<GetUcdnDomainLogResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取域名预取开启状态
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.GetUcdnDomainPrefetchEnableResponse"/></returns>
+        public GetUcdnDomainPrefetchEnableResponse GetUcdnDomainPrefetchEnable(GetUcdnDomainPrefetchEnableRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<GetUcdnDomainPrefetchEnableResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取加速域名流量使用信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.GetUcdnDomainTrafficResponse"/></returns>
+        public GetUcdnDomainTrafficResponse GetUcdnDomainTraffic(GetUcdnDomainTrafficRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<GetUcdnDomainTrafficResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取流量信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.GetUcdnTrafficResponse"/></returns>
+        public GetUcdnTrafficResponse GetUcdnTraffic(GetUcdnTrafficRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<GetUcdnTrafficResponse>(request);
+        }
+
+        /// <summary>
+        /// 预取文件
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.PrefetchDomainCacheResponse"/></returns>
+        public PrefetchDomainCacheResponse PrefetchDomainCache(PrefetchDomainCacheRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<PrefetchDomainCacheResponse>(request);
+        }
+
+        /// <summary>
+        /// 刷新加速缓存
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.RefreshUcdnDomainCacheResponse"/></returns>
+        public RefreshUcdnDomainCacheResponse RefreshUcdnDomainCache(RefreshUcdnDomainCacheRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<RefreshUcdnDomainCacheResponse>(request);
+        }
+
+        /// <summary>
+        /// 更新加速域名配置
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.UpdateUcdnDomainResponse"/></returns>
+        public UpdateUcdnDomainResponse UpdateUcdnDomain(UpdateUcdnDomainRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<UpdateUcdnDomainResponse>(request);
+        }
+
+        /// <summary>
+        /// 更新加速域名状态
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.UpdateUcdnDomainStatusResponse"/></returns>
+        public UpdateUcdnDomainStatusResponse UpdateUcdnDomainStatus(UpdateUcdnDomainStatusRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<UpdateUcdnDomainStatusResponse>(request);
+        }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/UCloud.cs b/UCloudSDK.NetCore2/UCloud.cs
new file mode 100644
index 0000000..f59efb7
--- /dev/null
+++ b/UCloudSDK.NetCore2/UCloud.cs
@@ -0,0 +1,222 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.Specialized;
+using System.Configuration;
+using System.Linq;
+using System.Text;
+using RestSharp;
+using RestSharp.Extensions;
+
+namespace UCloudSDK
+{
+    /// <summary>
+    ///     UCloud对象
+    /// </summary>
+    public partial class UCloud
+    {
+        /// <summary>
+        ///     默认API请求地址
+        ///     <para>可被App.Setting的BaseUrl覆盖</para>
+        /// </summary>
+        private const string Url = "http://api.ucloud.cn";
+
+        /// <summary>
+        ///     获取或设置API请求地址.
+        /// </summary>
+        /// <value>
+        ///     API请求地址.
+        /// </value>
+        public string BaseUrl { get; set; }
+
+        /// <summary>
+        ///     获取或设置用户公钥.
+        /// </summary>
+        /// <value>
+        ///     用户公钥.
+        /// </value>
+        public string PublicKey { get; set; }
+
+        /// <summary>
+        ///     获取或设置用户私钥.
+        /// </summary>
+        /// <value>
+        ///     用户私钥.
+        /// </value>
+        public string PrivateKey { get; set; }
+
+        /// <summary>
+        ///     获取或设置RestClient对象.
+        /// </summary>
+        /// <value>
+        ///     RestClient对象.
+        /// </value>
+        public RestClient Client { get; set; }
+
+        /// <summary>
+        ///     初始化 <see cref="UCloud" /> 类.
+        ///     <para>
+        ///         使用该构造函数，请正确配置App.Setting文件
+        ///     </para>
+        /// </summary>
+        /// <exception cref="System.Exception">请正确配置App.Setting文件，或使用带参构造函数</exception>
+        public UCloud()
+        {
+            var section = ConfigurationManager.GetSection("UcloudSetting") as NameValueCollection;
+            if (section != null)
+            {
+                PublicKey = section["PublicKey"];
+                PrivateKey = section["PrivateKey"];
+                BaseUrl = section["BaseUrl"];
+                BaseUrl = string.IsNullOrEmpty(BaseUrl) ? Url : BaseUrl;
+                Client = new RestClient(BaseUrl) {UserAgent = "UCloudSDK"};
+            }
+            else
+            {
+                throw new Exception("请正确配置App.Setting文件，或使用带参构造函数");
+            }
+        }
+
+        /// <summary>
+        ///     初始化 <see cref="UCloud" /> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        public UCloud(string publicKey, string privateKey)
+        {
+            var section = ConfigurationManager.GetSection("UcloudSetting") as NameValueCollection;
+            if (section != null)
+            {
+                BaseUrl = section["BaseUrl"];
+            }
+            BaseUrl = string.IsNullOrEmpty(BaseUrl) ? Url : BaseUrl;
+            PublicKey = publicKey;
+            PrivateKey = privateKey;
+            Client = new RestClient(BaseUrl) {UserAgent = "UCloudSDK"};
+        }
+
+        /// <summary>
+        ///     初始化 <see cref="UCloud" /> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        /// <param name="baseUrl">API请求地址.</param>
+        public UCloud(string publicKey, string privateKey, string baseUrl)
+        {
+            PublicKey = publicKey;
+            PrivateKey = privateKey;
+            BaseUrl = baseUrl;
+            Client = new RestClient(BaseUrl) {UserAgent = "UCloudSDK"};
+        }
+
+        /// <summary>
+        ///     计算签名.
+        /// </summary>
+        /// <param name="parameters">参数键值对.</param>
+        /// <returns>签名值</returns>
+        private string VerfyAc(List<Parameter> parameters)
+        {
+            return VerfyAc(parameters, PrivateKey);
+        }
+
+        /// <summary>
+        ///     计算签名.
+        /// </summary>
+        /// <param name="parameters">参数键值对.</param>
+        /// <param name="privateKey">私钥.</param>
+        /// <returns>签名值</returns>
+        private string VerfyAc(List<Parameter> parameters, string privateKey)
+        {
+            var param=
+            parameters.Where(t => t.Type == ParameterType.GetOrPost).ToList();
+
+            param.Sort(delegate(Parameter x, Parameter y)
+            {
+                if (x.Name == null && y.Name == null) return 0;
+                if (x.Name == null) return -1;
+                if (y.Name == null) return 1;
+                return String.Compare(x.Name, y.Name, StringComparison.Ordinal);
+            });
+
+            var sb = new StringBuilder();
+            foreach (var parm in param)
+            {
+                sb.Append(parm.Name);
+                sb.Append(parm.Value);
+            }
+            sb.Append(privateKey);
+
+            return sb.ToString().ToSHA1();
+        }
+
+        /// <summary>
+        ///     执行请求.
+        /// </summary>
+        /// <typeparam name="T">返回值类型</typeparam>
+        /// <param name="request">请求对象.</param>
+        /// <returns>返回值对象</returns>
+        /// <exception cref="System.ApplicationException">异常</exception>
+        public T Execute<T>(IRestRequest request) where T : new()
+        {
+            request.AddParameter("PublicKey", PublicKey);
+
+            var sign = VerfyAc(request.Parameters);
+
+            request.AddParameter("Signature", sign);
+
+            var response = Client.Execute<T>(request);
+
+            if (response.ErrorException != null)
+            {
+                const string message = "响应错误，请检查.";
+                throw new ApplicationException(message, response.ErrorException);
+            }
+
+            return response.Data;
+        }
+
+        /// <summary>
+        ///     执行请求.
+        /// </summary>
+        /// <typeparam name="T">返回值类型</typeparam>
+        /// <param name="dictionary">请求对象.</param>
+        /// <param name="method">HTTP请求方法类型</param>
+        /// <returns>返回值对象</returns>
+        /// <exception cref="System.ApplicationException">异常</exception>
+        public T Execute<T>(Dictionary<string, string> dictionary, Method method = Method.GET) where T : new()
+        {
+            var request = new RestRequest(method);
+
+            foreach (var kv in dictionary.Where(d => !d.Value.IsNullOrWhiteSpace()))
+            {
+                request.AddParameter(kv.Key, kv.Value);
+            }
+
+            return Execute<T>(request);
+        }
+
+#if NET4
+    /// <summary>
+    /// 执行请求.
+    /// </summary>
+    /// <param name="dictionary">请求对象.</param>
+    /// <param name="method">HTTP请求方法类型.</param>
+    /// <returns>动态类型</returns>
+        public RestResponse<dynamic> Execute(Dictionary<string, string> dictionary, Method method = Method.GET)
+        {
+
+            var request = new RestRequest(method);
+
+            foreach (var kv in dictionary.Where(d => !string.IsNullOrWhiteSpace(d.Value)))
+            {
+                request.AddParameter(kv.Key, kv.Value);
+            }
+
+            var sign = VerfyAc(request.Parameters);
+
+            request.AddParameter("Signature", sign);
+
+            return Client.ExecuteDynamic(request);
+        }
+#endif
+    }
+}
\ No newline at end of file
diff --git a/UCloudSDK.NetCore2/UCloudSDK.NetCore2.csproj b/UCloudSDK.NetCore2/UCloudSDK.NetCore2.csproj
new file mode 100644
index 0000000..afd9b64
--- /dev/null
+++ b/UCloudSDK.NetCore2/UCloudSDK.NetCore2.csproj
@@ -0,0 +1,27 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <AssemblyName>UCloudSDK</AssemblyName>
+    <Authors>icyflash</Authors>
+    <Copyright>Copyright © UCloudSDK Project</Copyright>
+    <Version>1.0.11.0</Version>
+    <Product>UCloud API C# SDK</Product>
+    <Description>UCloud C# SDK是用于调用UCloud API的类库，适用于.Net Core 2.0及以上。
+
+UCloud API: http://docs.ucloud.cn/api/index.html</Description>
+    <PackageLicenseUrl>https://raw.githubusercontent.com/icyflash/ucloud-csharp-sdk/master/License.txt</PackageLicenseUrl>
+    <PackageProjectUrl>https://github.com/icyflash/ucloud-csharp-sdk</PackageProjectUrl>
+    <RepositoryUrl>https://github.com/icyflash/ucloud-csharp-sdk</RepositoryUrl>
+    <RepositoryType>GIT</RepositoryType>
+    <PackageReleaseNotes>UCloud C# SDK是用于调用UCloud API的类库，适用于.Net Core 2.0及以上。
+
+UCloud API: http://docs.ucloud.cn/api/index.html</PackageReleaseNotes>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="RestSharp" Version="106.3.1" />
+    <PackageReference Include="System.Configuration.ConfigurationManager" Version="4.5.0" />
+  </ItemGroup>
+
+</Project>
diff --git a/UCloudSDK.NetCore2/UDB.cs b/UCloudSDK.NetCore2/UDB.cs
new file mode 100644
index 0000000..3ce794c
--- /dev/null
+++ b/UCloudSDK.NetCore2/UDB.cs
@@ -0,0 +1,328 @@
+using RestSharp;
+using UCloudSDK.Models;
+
+namespace UCloudSDK
+{
+    /// <summary>
+    /// 云数据库
+    /// </summary>
+    public partial class UDB : UCloud
+    {
+        /// <summary>
+        /// 初始化 <see cref="UDB"/> 类.
+        /// </summary>
+        public UDB()
+        {
+        }
+
+        /// <summary>
+        /// 初始化 <see cref="UDB"/> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        public UDB(string publicKey, string privateKey)
+            : base(publicKey, privateKey)
+        {
+        }
+
+        /// <summary>
+        /// 初始化 <see cref="UDB"/> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        /// <param name="baseUrl">API请求地址.</param>
+        public UDB(string publicKey, string privateKey, string baseUrl)
+            : base(publicKey, privateKey, baseUrl)
+        {
+        }
+
+        /// <summary>
+        /// 备份udb实例
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.BackupUDBInstanceResponse"/></returns>
+        public BackupUDBInstanceResponse BackupUDBInstance(BackupUDBInstanceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<BackupUDBInstanceResponse>(request);
+        }
+
+        /// <summary>
+        /// 清除udb实例的log
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.ClearUDBLogResponse"/></returns>
+        public ClearUDBLogResponse ClearUDBLog(ClearUDBLogRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<ClearUDBLogResponse>(request);
+        }
+
+        /// <summary>
+        /// 创建udb实例（包括mysql、mongodb实例和从备份恢复实例）
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreateUDBInstanceResponse"/></returns>
+        public CreateUDBInstanceResponse CreateUDBInstance(CreateUDBInstanceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreateUDBInstanceResponse>(request);
+        }
+
+        /// <summary>
+        /// 从已有配置文件创建新配置文件
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreateUDBParamGroupResponse"/></returns>
+        public CreateUDBParamGroupResponse CreateUDBParamGroup(CreateUDBParamGroupRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreateUDBParamGroupResponse>(request);
+        }
+
+        /// <summary>
+        /// 创建mongodb的副本节点（包括仲裁）
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreateUDBReplicationInstanceResponse"/></returns>
+        public CreateUDBReplicationInstanceResponse CreateUDBReplicationInstance(CreateUDBReplicationInstanceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreateUDBReplicationInstanceResponse>(request);
+        }
+
+        /// <summary>
+        /// 创建udb实例的slave
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreateUDBSlaveResponse"/></returns>
+        public CreateUDBSlaveResponse CreateUDBSlave(CreateUDBSlaveRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreateUDBSlaveResponse>(request);
+        }
+
+        /// <summary>
+        /// 删除udb实例备份
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DeleteUDBBackupResponse"/></returns>
+        public DeleteUDBBackupResponse DeleteUDBBackup(DeleteUDBBackupRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DeleteUDBBackupResponse>(request);
+        }
+
+        /// <summary>
+        /// 删除udb实例
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DeleteUDBInstanceResponse"/></returns>
+        public DeleteUDBInstanceResponse DeleteUDBInstance(DeleteUDBInstanceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DeleteUDBInstanceResponse>(request);
+        }
+
+        /// <summary>
+        /// 删除配置参数组
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DeleteUDBParamGroupResponse"/></returns>
+        public DeleteUDBParamGroupResponse DeleteUDBParamGroup(DeleteUDBParamGroupRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DeleteUDBParamGroupResponse>(request);
+        }
+
+        /// <summary>
+        /// 列表udb实例备份信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeUDBBackupResponse"/></returns>
+        public DescribeUDBBackupResponse DescribeUDBBackup(DescribeUDBBackupRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeUDBBackupResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取udb实例的备份黑名单
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeUDBBackupBlacklistResponse"/></returns>
+        public DescribeUDBBackupBlacklistResponse DescribeUDBBackupBlacklist(DescribeUDBBackupBlacklistRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeUDBBackupBlacklistResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取udb实例信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeUDBInstanceResponse"/></returns>
+        public DescribeUDBInstanceResponse DescribeUDBInstance(DescribeUDBInstanceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeUDBInstanceResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取udb实例价格信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeUDBInstancePriceResponse"/></returns>
+        public DescribeUDBInstancePriceResponse DescribeUDBInstancePrice(DescribeUDBInstancePriceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeUDBInstancePriceResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取udb实例状态
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeUDBInstanceStateResponse"/></returns>
+        public DescribeUDBInstanceStateResponse DescribeUDBInstanceState(DescribeUDBInstanceStateRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeUDBInstanceStateResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取参数组详细参数信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeUDBParamGroupResponse"/></returns>
+        public DescribeUDBParamGroupResponse DescribeUDBParamGroup(DescribeUDBParamGroupRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeUDBParamGroupResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取udb支持的类型信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeUDBTypeResponse"/></returns>
+        public DescribeUDBTypeResponse DescribeUDBType(DescribeUDBTypeRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeUDBTypeResponse>(request);
+        }
+
+        /// <summary>
+        /// 编辑udb实例的备份黑名单
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.EditUDBBackupBlacklistResponse"/></returns>
+        public EditUDBBackupBlacklistResponse EditUDBBackupBlacklist(EditUDBBackupBlacklistRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<EditUDBBackupBlacklistResponse>(request);
+        }
+
+        /// <summary>
+        /// 重命名udb实例
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.ModifyUDBInstanceNameResponse"/></returns>
+        public ModifyUDBInstanceNameResponse ModifyUDBInstanceName(ModifyUDBInstanceNameRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<ModifyUDBInstanceNameResponse>(request);
+        }
+
+        /// <summary>
+        /// 从库提升为独立库
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.PromoteUDBSlaveResponse"/></returns>
+        public PromoteUDBSlaveResponse PromoteUDBSlave(PromoteUDBSlaveRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<PromoteUDBSlaveResponse>(request);
+        }
+
+        /// <summary>
+        /// 重启udb实例
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.RestartUDBInstanceResponse"/></returns>
+        public RestartUDBInstanceResponse RestartUDBInstance(RestartUDBInstanceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<RestartUDBInstanceResponse>(request);
+        }
+
+        /// <summary>
+        /// 启动udb实例
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.StartUDBInstanceResponse"/></returns>
+        public StartUDBInstanceResponse StartUDBInstance(StartUDBInstanceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<StartUDBInstanceResponse>(request);
+        }
+
+        /// <summary>
+        /// 关闭udb实例
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.StopUDBInstanceResponse"/></returns>
+        public StopUDBInstanceResponse StopUDBInstance(StopUDBInstanceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<StopUDBInstanceResponse>(request);
+        }
+
+        /// <summary>
+        /// 更新udb配置参数项
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.UpdateUDBParamGroupResponse"/></returns>
+        public UpdateUDBParamGroupResponse UpdateUDBParamGroup(UpdateUDBParamGroupRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<UpdateUDBParamGroupResponse>(request);
+        }
+
+        /// <summary>
+        /// 导入udb配置
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.UploadUDBParamGroupResponse"/></returns>
+        public UploadUDBParamGroupResponse UploadUDBParamGroup(UploadUDBParamGroupRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<UploadUDBParamGroupResponse>(request);
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/UCloudSDK.NetCore2/UDisk.cs b/UCloudSDK.NetCore2/UDisk.cs
new file mode 100644
index 0000000..b144748
--- /dev/null
+++ b/UCloudSDK.NetCore2/UDisk.cs
@@ -0,0 +1,208 @@
+using RestSharp;
+using UCloudSDK.Models;
+
+namespace UCloudSDK
+{
+    /// <summary>
+    /// 云硬盘
+    /// </summary>
+    public partial class UDisk : UCloud
+    {
+        /// <summary>
+        /// 初始化 <see cref="UDisk"/> 类.
+        /// </summary>
+        public UDisk()
+        {
+        }
+
+        /// <summary>
+        /// 初始化 <see cref="UDisk"/> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        public UDisk(string publicKey, string privateKey)
+            : base(publicKey, privateKey)
+        {
+        }
+
+        /// <summary>
+        /// 初始化 <see cref="UDisk"/> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        /// <param name="baseUrl">API请求地址.</param>
+        public UDisk(string publicKey, string privateKey, string baseUrl)
+            : base(publicKey, privateKey, baseUrl)
+        {
+        }
+
+        /// <summary>
+        /// 将一个可用的UDisk挂载到某台主机上，当UDisk挂载成功后，还需要在主机内部进行文件系统操作
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.AttachUDiskResponse"/></returns>
+        public AttachUDiskResponse AttachUDisk(AttachUDiskRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<AttachUDiskResponse>(request);
+        }
+
+        /// <summary>
+        /// 从UDisk创建UDisk克隆
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CloneUDiskResponse"/></returns>
+        public CloneUDiskResponse CloneUDisk(CloneUDiskRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CloneUDiskResponse>(request);
+        }
+
+        /// <summary>
+        /// 从快照创建UDisk克隆
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CloneUDiskSnapshotResponse"/></returns>
+        public CloneUDiskSnapshotResponse CloneUDiskSnapshot(CloneUDiskSnapshotRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CloneUDiskSnapshotResponse>(request);
+        }
+
+        /// <summary>
+        /// 创建UDisk磁盘
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreateUDiskResponse"/></returns>
+        public CreateUDiskResponse CreateUDisk(CreateUDiskRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreateUDiskResponse>(request);
+        }
+
+        /// <summary>
+        /// 创建snapshot快照
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreateUDiskSnapshotResponse"/></returns>
+        public CreateUDiskSnapshotResponse CreateUDiskSnapshot(CreateUDiskSnapshotRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreateUDiskSnapshotResponse>(request);
+        }
+
+        /// <summary>
+        /// 删除UDisk
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DeleteUDiskResponse"/></returns>
+        public DeleteUDiskResponse DeleteUDisk(DeleteUDiskRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DeleteUDiskResponse>(request);
+        }
+
+        /// <summary>
+        /// 销毁Snapshot
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DeleteUDiskSnapshotResponse"/></returns>
+        public DeleteUDiskSnapshotResponse DeleteUDiskSnapshot(DeleteUDiskSnapshotRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DeleteUDiskSnapshotResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取UDisk实例
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeUDiskResponse"/></returns>
+        public DescribeUDiskResponse DescribeUDisk(DescribeUDiskRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeUDiskResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取udisk实例价格信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeUDiskPriceResponse"/></returns>
+        public DescribeUDiskPriceResponse DescribeUDiskPrice(DescribeUDiskPriceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeUDiskPriceResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取UDisk快照
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeUDiskSnapshotResponse"/></returns>
+        public DescribeUDiskSnapshotResponse DescribeUDiskSnapshot(DescribeUDiskSnapshotRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeUDiskSnapshotResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取udisk升级价格信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeUDiskUpgradePriceResponse"/></returns>
+        public DescribeUDiskUpgradePriceResponse DescribeUDiskUpgradePrice(DescribeUDiskUpgradePriceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeUDiskUpgradePriceResponse>(request);
+        }
+
+        /// <summary>
+        /// 卸载某个已经挂载在指定UHost实例上的UDisk
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DetachUDiskResponse"/></returns>
+        public DetachUDiskResponse DetachUDisk(DetachUDiskRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DetachUDiskResponse>(request);
+        }
+
+        /// <summary>
+        /// 重命名UDisk
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.RenameUDiskResponse"/></returns>
+        public RenameUDiskResponse RenameUDisk(RenameUDiskRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<RenameUDiskResponse>(request);
+        }
+
+        /// <summary>
+        /// 调整UDisk容量
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.ResizeUDiskResponse"/></returns>
+        public ResizeUDiskResponse ResizeUDisk(ResizeUDiskRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<ResizeUDiskResponse>(request);
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/UCloudSDK.NetCore2/UFile.cs b/UCloudSDK.NetCore2/UFile.cs
new file mode 100644
index 0000000..5ce409e
--- /dev/null
+++ b/UCloudSDK.NetCore2/UFile.cs
@@ -0,0 +1,767 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Net;
+using System.Net.Cache;
+using System.Security.Cryptography;
+using System.Security.Policy;
+using System.Text;
+using RestSharp;
+using RestSharp.Extensions;
+using UCloudSDK.Models;
+
+namespace UCloudSDK
+{
+    /// <summary>
+    /// 对象存储
+    /// </summary>
+    public partial class UFile : UCloud
+    {
+        /// <summary>
+        /// 默认文件操作地址
+        /// </summary>
+        private string _fileUrl = @"http://{0}.ufile.ucloud.cn";
+
+        /// <summary>
+        /// 文件操作地址.
+        /// </summary>
+        /// <value>
+        /// http://{0}.ufile.ucloud.cn
+        /// </value>
+        public string FileUrl
+        {
+            get { return _fileUrl; }
+            set { _fileUrl = value; }
+        }
+
+        /// <summary>
+        /// Bucket.
+        /// </summary>
+        public string Bucket { get; set; }
+
+        /// <summary>
+        /// 分片文件.
+        /// </summary>
+        public PartFile PartFile { get; set; }
+
+        /// <summary>
+        /// 初始化 <see cref="UFile"/> 类.
+        /// </summary>
+        public UFile()
+        {
+        }
+
+        /// <summary>
+        /// 初始化 <see cref="UFile"/> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        public UFile(string publicKey, string privateKey)
+            : base(publicKey, privateKey)
+        {
+        }
+
+        /// <summary>
+        /// 初始化 <see cref="UFile"/> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        /// <param name="baseUrl">API请求地址.</param>
+        public UFile(string publicKey, string privateKey, string baseUrl)
+            : base(publicKey, privateKey, baseUrl)
+        {
+        }
+
+        /// <summary>
+        /// 放弃分片上传.
+        /// </summary>
+        /// <param name="response">初始化分片上传的返回对象.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.FileResponse"/></returns>
+        public FileResponse AbortMultipartUpload(InitiateMultipartUploadResponse response)
+        {
+            return AbortMultipartUpload(response.Key, response.UploadId, response.Bucket);
+        }
+
+        /// <summary>
+        /// 放弃分片上传.
+        /// </summary>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.FileResponse"/></returns>
+        public FileResponse AbortMultipartUpload()
+        {
+            return AbortMultipartUpload(PartFile.Key, PartFile.UploadId, PartFile.Bucket);
+        }
+
+        /// <summary>
+        /// 放弃分片上传
+        /// </summary>
+        /// <param name="key">Bucket中文件名.</param>
+        /// <param name="uploadId">本次分片上传的上传Id.</param>
+        /// <param name="bucket">Bucket.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.FileResponse"/></returns>
+        /// <exception cref="System.Exception"></exception>
+        public FileResponse AbortMultipartUpload(string key, string uploadId, string bucket = "")
+        {
+            PartFile = new PartFile();
+
+            if (bucket.IsNullOrWhiteSpace())
+            {
+                bucket = Bucket;
+            }
+
+            var url = string.Format(FileUrl, bucket);
+            Client.BaseUrl = new Uri(url);
+            var request = new RestRequest("{key}?uploadId={uploadId}", Method.DELETE);
+
+            request.AddHeader("Authorization", SignRequest(request, bucket, key));
+            request.AddUrlSegment("key", key);
+            request.AddUrlSegment("uploadId", uploadId);
+
+            return FileExecute(request);
+        }
+
+        /// <summary>
+        /// 创建Bucket
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreateBucketResponse"/></returns>
+        public CreateBucketResponse CreateBucket(CreateBucketRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreateBucketResponse>(request);
+        }
+
+        /// <summary>
+        /// 删除Bucket
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DeleteBucketResponse"/></returns>
+        public DeleteBucketResponse DeleteBucket(DeleteBucketRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DeleteBucketResponse>(request);
+        }
+
+        /// <summary>
+        /// 删除文件
+        /// </summary>
+        /// <param name="key">要获取的文件名.</param>
+        /// <param name="bucket">Bucket.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DeleteFileResponse"/></returns>
+        public DeleteFileResponse DeleteFile(string key, string bucket = "")
+        {
+            if (key.IsNullOrWhiteSpace())
+            {
+                throw new Exception("文件名不能为空");
+            }
+
+            if (bucket.IsNullOrWhiteSpace())
+            {
+                bucket = Bucket;
+            }
+            var url = string.Format(FileUrl, bucket) + "/" + key;
+            Client.BaseUrl = new Uri(url);
+            var request = new RestRequest(Method.DELETE);
+
+            request.AddHeader("Authorization", SignRequest(request, bucket, key));
+
+            var response = Client.Execute<DeleteFileResponse>(request);
+            Client.BaseUrl = new Uri(BaseUrl);
+
+            if (response.StatusCode == HttpStatusCode.NoContent)
+            {
+                response.Data = new DeleteFileResponse();
+                response.Data.RetCode = 0;
+                response.Data.ErrMsg = "Success";
+                response.Data.ETag = response.Headers.GetHeader("ETag");
+            }
+            else
+            {
+                if (response.ErrorException != null)
+                {
+                    const string message = "响应错误，请检查.";
+                    throw new ApplicationException(message, response.ErrorException);
+                }
+                response.Data.XSessionId = response.Headers.GetHeader("X-SessionId");
+                response.Data.ContentType = response.Headers.GetHeader("Content-Type");
+                response.Data.ContentRange = response.Headers.GetHeader("Content-Range");
+                response.Data.ContentLength = Convert.ToInt32(response.Headers.GetHeader("Content-Length"));
+            }
+            return response.Data;
+        }
+
+        /// <summary>
+        /// 获取Bucket的描述信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeBucketResponse"/></returns>
+        public DescribeBucketResponse DescribeBucket(DescribeBucketRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeBucketResponse>(request);
+        }
+
+        /// <summary>
+        /// 完成分片上传.
+        /// </summary>
+        /// <param name="newkey">在Bucket中的新名称.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.FinishMultipartUploadResponse"/></returns>
+        public FinishMultipartUploadResponse FinishMultipartUpload(string newkey)
+        {
+
+            var etags = "";
+            foreach (var etag in PartFile.Etags)
+            {
+                etags += etag.Value + ",";
+            }
+
+            return FinishMultipartUpload(newkey, etags, PartFile.Key, PartFile.UploadId, PartFile.Bucket);
+        }
+
+        /// <summary>
+        /// 完成分片上传.
+        /// </summary>
+        /// <param name="newKey">新名称.</param>
+        /// <param name="eTags">分片上传返回的ETAG列表.</param>
+        /// <param name="response">初始化分片上传的返回对象.</param>
+        /// <returns></returns>
+        public FinishMultipartUploadResponse FinishMultipartUpload(string newKey, string eTags,
+            InitiateMultipartUploadResponse response)
+        {
+            return FinishMultipartUpload(newKey, eTags, response.Key, response.UploadId, response.Bucket);
+        }
+
+        /// <summary>
+        /// 完成分片上传
+        /// </summary>
+        /// <param name="newKey">新文件名.</param>
+        /// <param name="eTags">分片ETags使用,连接后的字符串.</param>
+        /// <param name="key">在Bucket中名称.</param>
+        /// <param name="uploadId">本次分片上传的ID.</param>
+        /// <param name="bucket">Bucket.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.FinishMultipartUploadResponse"/></returns>
+        /// <exception cref="System.ApplicationException"></exception>
+        /// <exception cref="System.Exception"></exception>
+        public FinishMultipartUploadResponse FinishMultipartUpload(string newKey, string eTags, string key, string uploadId, string bucket = "")
+        {
+            PartFile = new PartFile();
+
+            if (bucket.IsNullOrWhiteSpace())
+            {
+                bucket = Bucket;
+            }
+
+            var url = string.Format(FileUrl, bucket);
+            Client.BaseUrl = new Uri(url);
+            var request = new RestRequest("{key}?uploadId={uploadId}&newKey={newKey}", Method.POST);
+            request.AddHeader("Authorization", SignRequest(request, bucket, key));
+            request.AddUrlSegment("key", key);
+            request.AddUrlSegment("newKey", newKey);
+            request.AddUrlSegment("uploadId", uploadId);
+
+
+            request.AddParameter("", Encoding.Default.GetBytes(eTags), ParameterType.RequestBody);
+
+            var response = Client.Execute<FinishMultipartUploadResponse>(request);
+            Client.BaseUrl = new Uri(BaseUrl);
+
+            if (response.StatusCode == HttpStatusCode.OK)
+            {
+                response.Data.RetCode = 0;
+                response.Data.ErrMsg = "Success";
+                response.Data.ETag = response.Headers.GetHeader("ETag");
+            }
+            else
+            {
+                if (response.ErrorException != null)
+                {
+                    const string message = "响应错误，请检查.";
+                    throw new ApplicationException(message, response.ErrorException);
+                }
+                response.Data.XSessionId = response.Headers.GetHeader("X-SessionId");
+                response.Data.ContentType = response.Headers.GetHeader("Content-Type");
+                response.Data.ContentLength = Convert.ToInt32(response.Headers.GetHeader("Content-Length"));
+            }
+            return response.Data;
+        }
+
+        /// <summary>
+        /// 下载文件
+        /// </summary>
+        /// <param name="key">要获取的文件名.</param>
+        /// <param name="path">文件保存路径.</param>
+        /// <param name="bucket">Bucket.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.GetFileResponse"/></returns>
+        /// <exception cref="System.Exception">文件名不能为空</exception>
+        public GetFileResponse GetFile(string key, string path = "", string bucket = "")
+        {
+            if (key.IsNullOrWhiteSpace())
+            {
+                throw new Exception("文件名不能为空");
+            }
+            if (path.IsNullOrWhiteSpace())
+            {
+                path = key;
+            }
+            if (bucket.IsNullOrWhiteSpace())
+            {
+                bucket = Bucket;
+            }
+            var url = string.Format(FileUrl, bucket) + "/" + key;
+            Client.BaseUrl = new Uri(url);
+            var request = new RestRequest(Method.GET);
+
+            request.AddHeader("Authorization", SignRequest(request, bucket, key));
+
+            var response = Client.Execute<GetFileResponse>(request);
+            Client.BaseUrl = new Uri(BaseUrl);
+
+            if (response.StatusCode == HttpStatusCode.OK)
+            {
+                response.Data = new GetFileResponse();
+                response.Data.RetCode = 0;
+                response.Data.ErrMsg = "Success";
+                response.Data.ETag = response.Headers.GetHeader("ETag");
+                try
+                {
+                    response.RawBytes.SaveAs(path);
+                }
+                catch (Exception e)
+                {
+
+                    throw e;
+                }
+            }
+            else
+            {
+                if (response.ErrorException != null)
+                {
+                    const string message = "响应错误，请检查.";
+                    throw new ApplicationException(message, response.ErrorException);
+                }
+                response.Data.XSessionId = response.Headers.GetHeader("X-SessionId");
+                response.Data.ContentType = response.Headers.GetHeader("Content-Type");
+                response.Data.ContentRange = response.Headers.GetHeader("Content-Range");
+                response.Data.ContentLength = Convert.ToInt32(response.Headers.GetHeader("Content-Length"));
+            }
+            return response.Data;
+        }
+
+        /// <summary>
+        /// 获取Bucket的文件列表
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.GetFileListResponse"/></returns>
+        public GetFileListResponse GetFileList(GetFileListRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<GetFileListResponse>(request);
+        }
+
+        /// <summary>
+        /// 初始化分片上传
+        /// </summary>
+        /// <param name="key">上传至Bucket后的文件名.</param>
+        /// <param name="filePath">文件路径.</param>
+        /// <param name="bucket">Bucket.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.InitiateMultipartUploadResponse"/></returns>
+        /// <exception cref="System.ApplicationException"></exception>
+        public InitiateMultipartUploadResponse InitiateMultipartUpload(string filePath, string key = "", string bucket = "")
+        {
+            if (!File.Exists(filePath))
+            {
+                throw new Exception(string.Format("文件{0}不存在", filePath));
+            }
+
+            if (bucket.IsNullOrWhiteSpace())
+            {
+                bucket = Bucket;
+            }
+
+            if (key.IsNullOrWhiteSpace())
+            {
+                key = Path.GetFileName(filePath);
+            }
+
+            var url = string.Format(FileUrl, bucket);
+            Client.BaseUrl = new Uri(url);
+            var request = new RestRequest("{key}?uploads", Method.POST);
+            request.AddUrlSegment("key", key);
+
+            request.AddHeader("Authorization", SignRequest(request, bucket, key));
+
+            var response = Client.Execute<InitiateMultipartUploadResponse>(request);
+            Client.BaseUrl = new Uri(BaseUrl);
+
+            if (response.ErrorException != null)
+            {
+                const string message = "响应错误，请检查.";
+                throw new ApplicationException(message, response.ErrorException);
+            }
+            var entity = response.Data;
+            PartFile = new PartFile()
+            {
+                BlkSize = entity.BlkSize,
+                Bucket = entity.Bucket,
+                Key = entity.Key,
+                UploadId = entity.UploadId,
+                FilePath = filePath,
+                Etags = new SortedDictionary<int, string>(),
+                IsLast = false,
+                PartNumber = 0
+            };
+            return entity;
+        }
+
+        /// <summary>
+        /// 表单上传文件
+        /// </summary>
+        /// <param name="filePath">文件路径.</param>
+        /// <param name="key">上件后的文件名.默认为文件名称</param>
+        /// <param name="bucket">Bucket名称.</param>
+        /// <param name="md5">文件MD5.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.FileResponse"/></returns>
+        /// <exception cref="System.Exception"></exception>
+        public FileResponse PostFile(string filePath, string key = "", string bucket = "", string md5 = "")
+        {
+            if (!File.Exists(filePath))
+            {
+                throw new Exception(string.Format("文件{0}不存在", filePath));
+            }
+
+            if (bucket.IsNullOrWhiteSpace())
+            {
+                bucket = Bucket;
+            }
+
+            if (key.IsNullOrWhiteSpace())
+            {
+                key = Path.GetFileName(filePath);
+            }
+
+            var url = string.Format(FileUrl, bucket);
+            Client.BaseUrl = new Uri(url);
+            var request = new RestRequest(Method.POST);
+
+            var mime = filePath.GetMimeType();
+            request.AddHeader("Content-Type", mime);
+
+            if (md5.IsNullOrWhiteSpace())
+            {
+                md5 = filePath.GetMd5().ToLower();
+            }
+            request.AddHeader("Content-MD5", md5);
+            request.AddParameter("FileName", key);
+            request.AddParameter("Content-Type", mime);
+            request.AddParameter("Authorization", SignRequest(request, bucket, key));
+
+            request.AddFile(key, filePath);
+
+            return FileExecute(request);
+        }
+
+        /// <summary>
+        /// 普通上传文件
+        /// </summary>
+        /// <param name="filePath">文件路径.</param>
+        /// <param name="key">上件后的文件名.默认为文件名称</param>
+        /// <param name="bucket">Bucket名称.</param>
+        /// <param name="md5">文件MD5.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.FileResponse"/></returns>
+        /// <exception cref="System.Exception"></exception>
+        public FileResponse PutFile(string filePath, string key = "", string bucket = "", string md5 = "")
+        {
+            if (!File.Exists(filePath))
+            {
+                throw new Exception(string.Format("文件{0}不存在", filePath));
+            }
+            if (bucket.IsNullOrWhiteSpace())
+            {
+                bucket = Bucket;
+            }
+
+            if (key.IsNullOrWhiteSpace())
+            {
+                key = Path.GetFileName(filePath);
+            }
+
+            var url = string.Format(FileUrl, bucket) + (key == string.Empty ? "" : (@"/" + key));
+            Client.BaseUrl = new Uri(url);
+            var request = new RestRequest(Method.PUT);
+
+
+            if (md5.IsNullOrWhiteSpace())
+            {
+                md5 = filePath.GetMd5().ToLower();
+            }
+            var mime = filePath.GetMimeType();
+            request.AddHeader("Content-Type", mime);
+            request.AddHeader("Content-MD5", md5);
+            request.AddHeader("Authorization", SignRequest(request, bucket, key));
+
+            request.AddParameter(mime, File.ReadAllBytes(filePath), ParameterType.RequestBody);
+
+            return FileExecute(request);
+        }
+
+        /// <summary>
+        /// 设置Bucket的属性
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.UpdateBucketResponse"/></returns>
+        public UpdateBucketResponse UpdateBucket(UpdateBucketRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<UpdateBucketResponse>(request);
+        }
+
+        /// <summary>
+        /// 秒传
+        /// </summary>
+        /// <param name="filePath">文件位置.</param>
+        /// <param name="key">Bucket中文件的名称.</param>
+        /// <param name="bucket">Bucket.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.FileResponse"/></returns>
+        /// <exception cref="System.Exception">文件名不能为空</exception>
+        /// <exception cref="System.ApplicationException"></exception>
+        public FileResponse UploadHit(string filePath, string key = "", string bucket = "")
+        {
+            if (!File.Exists(filePath))
+            {
+                throw new Exception(string.Format("文件{0}不存在", filePath));
+            }
+
+            if (bucket.IsNullOrWhiteSpace())
+            {
+                bucket = Bucket;
+            }
+
+            if (key.IsNullOrWhiteSpace())
+            {
+                key = Path.GetFileName(filePath);
+            }
+
+            var url = string.Format(FileUrl, bucket);
+            Client.BaseUrl = new Uri(url);
+            var request = new RestRequest("uploadhit?Hash={Hash}&FileName={FileName}&FileSize={FileSize}", Method.POST);
+
+            request.AddHeader("Authorization", SignRequest(request, bucket, key));
+            request.AddUrlSegment("Hash", filePath.GetEtag());
+            request.AddUrlSegment("FileName", key);
+            request.AddUrlSegment("FileSize", filePath.GetFileLength().ToString());
+
+            return FileExecute(request);
+        }
+        /// <summary>
+        /// 上传文件分片.
+        /// </summary>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.UploadPartResponse"/></returns>
+        public UploadPartResponse UploadPart()
+        {
+            return UploadPart(PartFile.PartNumber);
+        }
+        /// <summary>
+        /// 上传文件分片.
+        /// </summary>
+        /// <param name="partNum">分片号码.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.UploadPartResponse"/></returns>
+        public UploadPartResponse UploadPart(int partNum)
+        {
+            return UploadPart(PartFile.FilePath, partNum, PartFile.BlkSize, PartFile.UploadId, PartFile.Key,
+                PartFile.Bucket);
+        }
+
+        /// <summary>
+        /// 上传文件分片.
+        /// </summary>
+        /// <param name="filePath">文件路径.</param>
+        /// <param name="part">分片编号.</param>
+        /// <param name="response">初始化分片上传的返回值.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.UploadPartResponse"/></returns>
+        public UploadPartResponse UploadPart(string filePath, int part, InitiateMultipartUploadResponse response)
+        {
+            return UploadPart(filePath, part, response.BlkSize, response.UploadId, response.Key, response.Bucket);
+        }
+
+        /// <summary>
+        /// 上传文件分片
+        /// </summary>
+        /// <param name="filePath">文件位置.</param>
+        /// <param name="part">分片序号.</param>
+        /// <param name="blkSize">分片大小.</param>
+        /// <param name="uploadId">分片上传ID.</param>
+        /// <param name="key">在Bucket中名称.</param>
+        /// <param name="bucket">Bucket.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.UploadPartResponse"/></returns>
+        /// <exception cref="System.Exception"></exception>
+        /// <exception cref="System.ApplicationException"></exception>
+        public UploadPartResponse UploadPart(string filePath, int part, int blkSize, string uploadId, string key = "", string bucket = "")
+        {
+            if (PartFile.IsLast)
+            {
+                throw new Exception("所有分片已上传");
+            }
+
+            if (!File.Exists(filePath))
+            {
+                throw new Exception(string.Format("文件{0}不存在", filePath));
+            }
+            if (bucket.IsNullOrWhiteSpace())
+            {
+                bucket = Bucket;
+            }
+            var url = string.Format(FileUrl, bucket);
+            Client.BaseUrl = new Uri(url);
+            var request = new RestRequest("{key}?uploadId={uploadId}&partNumber={partNumber}", Method.PUT);
+
+            request.AddUrlSegment("key", key);
+            request.AddUrlSegment("uploadId", uploadId);
+            request.AddUrlSegment("partNumber", part.ToString());
+
+            if (PartFile.Mime.IsNullOrWhiteSpace())
+            {
+                PartFile.Mime = filePath.GetMimeType();
+            }
+
+            request.AddHeader("Content-Type", PartFile.Mime);
+
+            if (PartFile.Md5.IsNullOrWhiteSpace())
+            {
+                PartFile.Md5 = filePath.GetMd5().ToLower();
+            }
+            request.AddHeader("Content-MD5", PartFile.Md5);
+
+            if (key.IsNullOrWhiteSpace())
+            {
+                key = Path.GetFileName(filePath);
+            }
+
+            if (PartFile.Auth.IsNullOrWhiteSpace())
+            {
+                PartFile.Auth = SignRequest(request, bucket, key);
+            }
+            request.AddHeader("Authorization", PartFile.Auth);
+
+            byte[] partBytes;
+
+            using (var fs = File.OpenRead(filePath))
+            {
+                var offset = part * blkSize;
+                var len = fs.Length - offset;
+
+                if (len < blkSize)
+                {
+                    PartFile.IsLast = true;
+                }
+                else
+                {
+                    len = blkSize;
+                }
+
+                partBytes = new byte[len];
+                fs.Seek(offset, SeekOrigin.Begin);
+                var n = fs.Read(partBytes, 0, (int)len);
+                if (n == 0)
+                {
+                    PartFile.IsLast = true;
+                }
+            }
+
+            request.AddParameter(PartFile.Mime, partBytes, ParameterType.RequestBody);
+
+            var response = Client.Execute<UploadPartResponse>(request);
+            Client.BaseUrl = new Uri(BaseUrl);
+
+            if (response.StatusCode == HttpStatusCode.OK)
+            {
+                response.Data.RetCode = 0;
+                response.Data.ErrMsg = "Success";
+                response.Data.ETag = response.Headers.GetHeader("ETag");
+                PartFile.Etags.Add(response.Data.PartNumber, response.Data.ETag);
+            }
+            else
+            {
+                if (response.ErrorException != null)
+                {
+                    const string message = "响应错误，请检查.";
+                    throw new ApplicationException(message, response.ErrorException);
+                }
+                response.Data.XSessionId = response.Headers.GetHeader("X-SessionId");
+                response.Data.ContentType = response.Headers.GetHeader("Content-Type");
+                response.Data.ContentLength = Convert.ToInt32(response.Headers.GetHeader("Content-Length"));
+            }
+            return response.Data;
+        }
+
+        /// <summary>
+        /// 执行Filer操作.
+        /// </summary>
+        /// <param name="request">The request.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.FileResponse"/></returns>
+        /// <exception cref="System.ApplicationException"></exception>
+        private FileResponse FileExecute(IRestRequest request)
+        {
+            var response = Client.Execute<FileResponse>(request);
+            Client.BaseUrl = new Uri(BaseUrl);
+
+            if (response.StatusCode == HttpStatusCode.OK)
+            {
+                response.Data = new FileResponse();
+                response.Data.RetCode = 0;
+                response.Data.ErrMsg = "Success";
+                response.Data.ETag = response.Headers.GetHeader("ETag");
+            }
+            else
+            {
+                if (response.ErrorException != null)
+                {
+                    const string message = "响应错误，请检查.";
+                    throw new ApplicationException(message, response.ErrorException);
+                }
+                response.Data.XSessionId = response.Headers.GetHeader("X-SessionId");
+                response.Data.ContentType = response.Headers.GetHeader("Content-Type");
+                response.Data.ContentRange = response.Headers.GetHeader("Content-Range");
+                response.Data.ContentLength = Convert.ToInt32(response.Headers.GetHeader("Content-Length"));
+            }
+            return response.Data;
+        }
+
+        /// <summary>
+        /// 对象存储UFile签名.
+        /// </summary>
+        /// <param name="request">The request.</param>
+        /// <param name="bucket">Bucket.</param>
+        /// <param name="key">Key.</param>
+        /// <returns>签名</returns>
+        private string SignRequest(IRestRequest request, string bucket, string key)
+        {
+            string Authorization = string.Empty;
+            string StringToSign = string.Empty;
+
+
+            Authorization += "UCloud ";
+            Authorization += PublicKey;
+            Authorization += ":";
+            StringToSign = request.Method + "\n" + request.Parameters.GetHeader("Content-MD5") + "\n";
+            StringToSign += request.Parameters.GetHeader("Content-Type");
+            StringToSign += "\n";
+            /*
+            StringToSign += DateTime.Now.ToString ();
+            */
+            StringToSign += "\n";
+            StringToSign += request.Parameters.CanonicalizedUCloudHeaders();
+            StringToSign += StringHelper.CanonicalizedResource(bucket, key);
+
+            HMACSHA1 hmac = new HMACSHA1(Encoding.ASCII.GetBytes(PrivateKey));
+            Byte[] hashValue = hmac.ComputeHash(Encoding.UTF8.GetBytes(StringToSign));
+            string Signature = Convert.ToBase64String(hashValue);
+            return Authorization + Signature;
+        }
+    }
+}
\ No newline at end of file
diff --git a/UCloudSDK.NetCore2/UHost.cs b/UCloudSDK.NetCore2/UHost.cs
new file mode 100644
index 0000000..44a086a
--- /dev/null
+++ b/UCloudSDK.NetCore2/UHost.cs
@@ -0,0 +1,295 @@
+using RestSharp;
+using UCloudSDK.Models;
+
+namespace UCloudSDK
+{
+    /// <summary>
+    /// 云主机
+    /// </summary>
+    public partial class UHost : UCloud
+    {
+        /// <summary>
+        /// 初始化 <see cref="UHost"/> 类.
+        /// </summary>
+        public UHost()
+        {
+        }
+
+        /// <summary>
+        /// 初始化 <see cref="UHost"/> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        public UHost(string publicKey, string privateKey)
+            : base(publicKey, privateKey)
+        {
+        }
+
+        /// <summary>
+        /// 初始化 <see cref="UHost"/> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        /// <param name="baseUrl">API请求地址.</param>
+        public UHost(string publicKey, string privateKey, string baseUrl)
+            : base(publicKey, privateKey, baseUrl)
+        {
+        }
+
+        /// <summary>
+        /// 将一个可用的UDisk挂载到某台主机上，当UDisk挂载成功后，还需要在主机内部进行文件系统操作。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.AttachUDiskResponse"/></returns>
+        public AttachUDiskResponse AttachUDisk(AttachUDiskRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<AttachUDiskResponse>(request);
+        }
+
+        /// <summary>
+        /// 从指定UHost实例，生成自定义镜像。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreateCustomImageResponse"/></returns>
+        public CreateCustomImageResponse CreateCustomImage(CreateCustomImageRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreateCustomImageResponse>(request);
+        }
+
+        /// <summary>
+        /// 指定数据中心，根据资源使用量创建指定数量的UHost实例。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreateUHostInstanceResponse"/></returns>
+        public CreateUHostInstanceResponse CreateUHostInstance(CreateUHostInstanceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreateUHostInstanceResponse>(request);
+        }
+
+        /// <summary>
+        /// 对指定UHost实例制作数据快照。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreateUHostInstanceSnapshotResponse"/></returns>
+        public CreateUHostInstanceSnapshotResponse CreateUHostInstanceSnapshot(
+            CreateUHostInstanceSnapshotRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreateUHostInstanceSnapshotResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取指定数据中心镜像列表，用户可通过指定操作系统类型，镜像Id进行过滤。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeImageResponse"/></returns>
+        public DescribeImageResponse DescribeImage(DescribeImageRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeImageResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取主机或主机列表信息，并可根据数据中心，主机ID等参数进行过滤。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeUHostInstanceResponse"/></returns>
+        public DescribeUHostInstanceResponse DescribeUHostInstance(DescribeUHostInstanceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeUHostInstanceResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取已经存在的UHost实例的存储快照列表。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeUHostInstanceSnapshotResponse"/></returns>
+        public DescribeUHostInstanceSnapshotResponse DescribeUHostInstanceSnapshot(
+            DescribeUHostInstanceSnapshotRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeUHostInstanceSnapshotResponse>(request);
+        }
+
+        /// <summary>
+        /// 卸载某个已经挂载在指定UHost实例上的UDisk
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DetachUDiskResponse"/></returns>
+        public DetachUDiskResponse DetachUDisk(DetachUDiskRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DetachUDiskResponse>(request);
+        }
+
+        /// <summary>
+        /// 根据UHost实例配置，获取UHost实例的价格。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.GetUHostInstancePriceResponse"/></returns>
+        public GetUHostInstancePriceResponse GetUHostInstancePrice(GetUHostInstancePriceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<GetUHostInstancePriceResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取指定UHost实例的管理VNC配置详细信息。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.GetUHostInstanceVncInfoResponse"/></returns>
+        public GetUHostInstanceVncInfoResponse GetUHostInstanceVncInfo(GetUHostInstanceVncInfoRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<GetUHostInstanceVncInfoResponse>(request);
+        }
+
+        /// <summary>
+        /// 修改指定UHost实例名称，需要给出数据中心，UHostId，及新的实例名称。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.ModifyUHostInstanceNameResponse"/></returns>
+        public ModifyUHostInstanceNameResponse ModifyUHostInstanceName(ModifyUHostInstanceNameRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<ModifyUHostInstanceNameResponse>(request);
+        }
+
+        /// <summary>
+        /// 修改指定UHost实例备注信息。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.ModifyUHostInstanceRemarkResponse"/></returns>
+        public ModifyUHostInstanceRemarkResponse ModifyUHostInstanceRemark(
+            ModifyUHostInstanceRemarkRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<ModifyUHostInstanceRemarkResponse>(request);
+        }
+
+        /// <summary>
+        /// 修改指定UHost实例业务组标识。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.ModifyUHostInstanceTagResponse"/></returns>
+        public ModifyUHostInstanceTagResponse ModifyUHostInstanceTag(ModifyUHostInstanceTagRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<ModifyUHostInstanceTagResponse>(request);
+        }
+
+        /// <summary>
+        /// 重新启动UHost实例，需要指定数据中心及UHostID两个参数的值。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.RebootUHostInstanceResponse"/></returns>
+        public RebootUHostInstanceResponse RebootUHostInstance(RebootUHostInstanceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<RebootUHostInstanceResponse>(request);
+        }
+
+        /// <summary>
+        /// 重新安装指定UHost实例的操作系统
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.ReinstallUHostInstanceResponse"/></returns>
+        public ReinstallUHostInstanceResponse ReinstallUHostInstance(ReinstallUHostInstanceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<ReinstallUHostInstanceResponse>(request);
+        }
+
+        /// <summary>
+        /// 重置UHost实例的管理员密码。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.ResetUHostInstancePasswordResponse"/></returns>
+        public ResetUHostInstancePasswordResponse ResetUHostInstancePassword(
+            ResetUHostInstancePasswordRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<ResetUHostInstancePasswordResponse>(request);
+        }
+
+        /// <summary>
+        /// 修改指定UHost实例的资源配置，如CPU核心数，内存容量大小，磁盘空间大小等。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.ResizeUHostInstanceResponse"/></returns>
+        public ResizeUHostInstanceResponse ResizeUHostInstance(ResizeUHostInstanceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<ResizeUHostInstanceResponse>(request);
+        }
+
+        /// <summary>
+        /// 启动处于关闭状态的UHost实例，需要指定数据中心及UHostID两个参数的值。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.StartUHostInstanceResponse"/></returns>
+        public StartUHostInstanceResponse StartUHostInstance(StartUHostInstanceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<StartUHostInstanceResponse>(request);
+        }
+
+        /// <summary>
+        /// 指停止处于运行状态的UHost实例，需指定数据中心及UhostID。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.StopUHostInstanceResponse"/></returns>
+        public StopUHostInstanceResponse StopUHostInstance(StopUHostInstanceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<StopUHostInstanceResponse>(request);
+        }
+
+        /// <summary>
+        /// 删除用户自定义镜像
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.TerminateCustomImageResponse"/></returns>
+        public TerminateCustomImageResponse TerminateCustomImage(TerminateCustomImageRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<TerminateCustomImageResponse>(request);
+        }
+
+        /// <summary>
+        /// 删除指定数据中心的UHost实例。
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.TerminateUHostInstanceResponse"/></returns>
+        public TerminateUHostInstanceResponse TerminateUHostInstance(TerminateUHostInstanceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<TerminateUHostInstanceResponse>(request);
+        }
+    }
+}
\ No newline at end of file
diff --git a/UCloudSDK.NetCore2/ULB.cs b/UCloudSDK.NetCore2/ULB.cs
new file mode 100644
index 0000000..32e8259
--- /dev/null
+++ b/UCloudSDK.NetCore2/ULB.cs
@@ -0,0 +1,280 @@
+using RestSharp;
+using UCloudSDK.Models;
+
+namespace UCloudSDK
+{
+    /// <summary>
+    /// 负载均衡
+    /// </summary>
+    public partial class ULB : UCloud
+    {
+        /// <summary>
+        /// 初始化 <see cref="ULB"/> 类.
+        /// </summary>
+        public ULB()
+        {
+        }
+
+        /// <summary>
+        /// 初始化 <see cref="ULB"/> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        public ULB(string publicKey, string privateKey)
+            : base(publicKey, privateKey)
+        {
+        }
+
+        /// <summary>
+        /// 初始化 <see cref="ULB"/> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        /// <param name="baseUrl">API请求地址.</param>
+        public ULB(string publicKey, string privateKey, string baseUrl)
+            : base(publicKey, privateKey, baseUrl)
+        {
+        }
+        
+        /// <summary>
+        /// 添加ULB后端资源实例
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.AllocateBackendResponse"/></returns>
+        public AllocateBackendResponse AllocateBackend(AllocateBackendRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<AllocateBackendResponse>(request);
+        }
+
+        /// <summary>
+        /// 将SSL证书绑定到VServer
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.BindSSLResponse"/></returns>
+        public BindSSLResponse BindSSL(BindSSLRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<BindSSLResponse>(request);
+        }
+
+        /// <summary>
+        /// 创建内容转发策略
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreatePolicyResponse"/></returns>
+        public CreatePolicyResponse CreatePolicy(CreatePolicyRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreatePolicyResponse>(request);
+        }
+
+        /// <summary>
+        /// 创建内容转发策略组
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreatePolicyGroupResponse"/></returns>
+        public CreatePolicyGroupResponse CreatePolicyGroup(CreatePolicyGroupRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreatePolicyGroupResponse>(request);
+        }
+
+        /// <summary>
+        /// 添加SSL证书
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreateSSLResponse"/></returns>
+        public CreateSSLResponse CreateSSL(CreateSSLRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreateSSLResponse>(request);
+        }
+
+        /// <summary>
+        /// 创建负载均衡实例
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreateULBResponse"/></returns>
+        public CreateULBResponse CreateULB(CreateULBRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreateULBResponse>(request);
+        }
+
+        /// <summary>
+        /// 创建VServer实例
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreateVServerResponse"/></returns>
+        public CreateVServerResponse CreateVServer(CreateVServerRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreateVServerResponse>(request);
+        }
+
+        /// <summary>
+        /// 删除内容转发策略
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DeletePolicyResponse"/></returns>
+        public DeletePolicyResponse DeletePolicy(DeletePolicyRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DeletePolicyResponse>(request);
+        }
+
+        /// <summary>
+        /// 删除内容转发策略组
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DeletePolicyGroupResponse"/></returns>
+        public DeletePolicyGroupResponse DeletePolicyGroup(DeletePolicyGroupRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DeletePolicyGroupResponse>(request);
+        }
+
+        /// <summary>
+        /// 删除SSL证书
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DeleteSSLResponse"/></returns>
+        public DeleteSSLResponse DeleteSSL(DeleteSSLRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DeleteSSLResponse>(request);
+        }
+
+        /// <summary>
+        /// 删除负载均衡实例
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DeleteULBResponse"/></returns>
+        public DeleteULBResponse DeleteULB(DeleteULBRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DeleteULBResponse>(request);
+        }
+
+        /// <summary>
+        /// 删除VServer实例
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DeleteVServerResponse"/></returns>
+        public DeleteVServerResponse DeleteVServer(DeleteVServerRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DeleteVServerResponse>(request);
+        }
+
+        /// <summary>
+        /// 显示内容转发策略组详情
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribePolicyGroupResponse"/></returns>
+        public DescribePolicyGroupResponse DescribePolicyGroup(DescribePolicyGroupRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribePolicyGroupResponse>(request);
+        }
+
+        /// <summary>
+        /// 显示SSL证书信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeSSLResponse"/></returns>
+        public DescribeSSLResponse DescribeSSL(DescribeSSLRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeSSLResponse>(request);
+        }
+
+        /// <summary>
+        /// 显示负载均衡实例信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeULBResponse"/></returns>
+        public DescribeULBResponse DescribeULB(DescribeULBRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeULBResponse>(request);
+        }
+
+        /// <summary>
+        /// 释放ULB后端资源实例
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.ReleaseBackendResponse"/></returns>
+        public ReleaseBackendResponse ReleaseBackend(ReleaseBackendRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<ReleaseBackendResponse>(request);
+        }
+
+        /// <summary>
+        /// 修改ULB后端资源实例(主机池)属性
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.UpdateBackendAttributeResponse"/></returns>
+        public UpdateBackendAttributeResponse UpdateBackendAttribute(UpdateBackendAttributeRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<UpdateBackendAttributeResponse>(request);
+        }
+
+        /// <summary>
+        /// 修改内容转发策略组配置信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.UpdatePolicyGroupAttributeResponse"/></returns>
+        public UpdatePolicyGroupAttributeResponse UpdatePolicyGroupAttribute(UpdatePolicyGroupAttributeRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<UpdatePolicyGroupAttributeResponse>(request);
+        }
+
+        /// <summary>
+        /// 修改负载均衡实例属性
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.UpdateULBAttributeResponse"/></returns>
+        public UpdateULBAttributeResponse UpdateULBAttribute(UpdateULBAttributeRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<UpdateULBAttributeResponse>(request);
+        }
+
+        /// <summary>
+        /// 修改VServer实例属性
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.UpdateVServerAttributeResponse"/></returns>
+        public UpdateVServerAttributeResponse UpdateVServerAttribute(UpdateVServerAttributeRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<UpdateVServerAttributeResponse>(request);
+        }
+
+    }
+}
diff --git a/UCloudSDK.NetCore2/UMon.cs b/UCloudSDK.NetCore2/UMon.cs
new file mode 100644
index 0000000..5bf3421
--- /dev/null
+++ b/UCloudSDK.NetCore2/UMon.cs
@@ -0,0 +1,52 @@
+using RestSharp;
+using UCloudSDK.Models;
+
+namespace UCloudSDK
+{
+    /// <summary>
+    /// 云监控
+    /// </summary>
+    public partial class UMon : UCloud
+    {
+        /// <summary>
+        /// 初始化 <see cref="UMon"/> 类.
+        /// </summary>
+        public UMon()
+        {
+        }
+
+        /// <summary>
+        /// 初始化 <see cref="UMon"/> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        public UMon(string publicKey, string privateKey)
+            : base(publicKey, privateKey)
+        {
+        }
+
+        /// <summary>
+        /// 初始化 <see cref="UMon"/> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        /// <param name="baseUrl">API请求地址.</param>
+        public UMon(string publicKey, string privateKey, string baseUrl)
+            : base(publicKey, privateKey, baseUrl)
+        {
+        }
+
+        /// <summary>
+        /// 获取监控数据
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.GetMetricResponse"/></returns>
+        public GetMetricResponse GetMetric(GetMetricRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<GetMetricResponse>(request);
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/UCloudSDK.NetCore2/UNet.cs b/UCloudSDK.NetCore2/UNet.cs
new file mode 100644
index 0000000..7522cf1
--- /dev/null
+++ b/UCloudSDK.NetCore2/UNet.cs
@@ -0,0 +1,256 @@
+using RestSharp;
+using UCloudSDK.Models;
+
+namespace UCloudSDK
+{
+    /// <summary>
+    /// 网络
+    /// </summary>
+    public partial class UNet : UCloud
+    {
+        /// <summary>
+        /// 初始化 <see cref="UNet"/> 类.
+        /// </summary>
+        public UNet()
+        {
+        }
+
+        /// <summary>
+        /// 初始化 <see cref="UNet"/> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        public UNet(string publicKey, string privateKey)
+            : base(publicKey, privateKey)
+        {
+        }
+
+        /// <summary>
+        /// 初始化 <see cref="UNet"/> 类.
+        /// </summary>
+        /// <param name="publicKey">用户公钥.</param>
+        /// <param name="privateKey">用户私钥.</param>
+        /// <param name="baseUrl">API请求地址.</param>
+        public UNet(string publicKey, string privateKey, string baseUrl)
+            : base(publicKey, privateKey, baseUrl)
+        {
+        }
+
+        /// <summary>
+        /// 根据提供信息，分配弹性IP
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.AllocateEIPResponse"/></returns>
+        public AllocateEIPResponse AllocateEIP(AllocateEIPRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<AllocateEIPResponse>(request);
+        }
+
+        /// <summary>
+        /// 根据提供信息，分配内网VIP(Virtual IP，多用于高可用程序作为漂移IP。)
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.AllocateVIPResponse"/></returns>
+        public AllocateVIPResponse AllocateVIP(AllocateVIPRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<AllocateVIPResponse>(request);
+        }
+
+        /// <summary>
+        /// 将弹性IP绑定到资源上
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.BindEIPResponse"/></returns>
+        public BindEIPResponse BindEIP(BindEIPRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<BindEIPResponse>(request);
+        }
+
+        /// <summary>
+        /// 创建防火墙组
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.CreateSecurityGroupResponse"/></returns>
+        public CreateSecurityGroupResponse CreateSecurityGroup(CreateSecurityGroupRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<CreateSecurityGroupResponse>(request);
+        }
+
+        /// <summary>
+        /// 删除防火墙
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DeleteSecurityGroupResponse"/></returns>
+        public DeleteSecurityGroupResponse DeleteSecurityGroup(DeleteSecurityGroupRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DeleteSecurityGroupResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取弹性IP详细信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeEIPResponse"/></returns>
+        public DescribeEIPResponse DescribeEIP(DescribeEIPRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeEIPResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取防火墙组信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeSecurityGroupResponse"/></returns>
+        public DescribeSecurityGroupResponse DescribeSecurityGroup(DescribeSecurityGroupRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeSecurityGroupResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取防火墙组所绑定资源的外网IP
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeSecurityGroupResourceResponse"/></returns>
+        public DescribeSecurityGroupResourceResponse DescribeSecurityGroupResource(DescribeSecurityGroupResourceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeSecurityGroupResourceResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取内网VIP详细信息
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.DescribeVIPResponse"/></returns>
+        public DescribeVIPResponse DescribeVIP(DescribeVIPRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<DescribeVIPResponse>(request);
+        }
+
+        /// <summary>
+        /// 获取弹性IP价格
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.GetEIPPriceResponse"/></returns>
+        public GetEIPPriceResponse GetEIPPrice(GetEIPPriceRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<GetEIPPriceResponse>(request);
+        }
+
+        /// <summary>
+        /// 将防火墙应用到资源上
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.GrantSecurityGroupResponse"/></returns>
+        public GrantSecurityGroupResponse GrantSecurityGroup(GrantSecurityGroupRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<GrantSecurityGroupResponse>(request);
+        }
+
+        /// <summary>
+        /// 修改弹性IP的外网带宽
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.ModifyEIPBandwidthResponse"/></returns>
+        public ModifyEIPBandwidthResponse ModifyEIPBandwidth(ModifyEIPBandwidthRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<ModifyEIPBandwidthResponse>(request);
+        }
+
+        /// <summary>
+        /// 修改弹性IP的外网出口权重
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.ModifyEIPWeightResponse"/></returns>
+        public ModifyEIPWeightResponse ModifyEIPWeight(ModifyEIPWeightRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<ModifyEIPWeightResponse>(request);
+        }
+
+        /// <summary>
+        /// 释放EIP资源
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.ReleaseEIPResponse"/></returns>
+        public ReleaseEIPResponse ReleaseEIP(ReleaseEIPRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<ReleaseEIPResponse>(request);
+        }
+
+        /// <summary>
+        /// 释放VIP资源
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.ReleaseVIPResponse"/></returns>
+        public ReleaseVIPResponse ReleaseVIP(ReleaseVIPRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<ReleaseVIPResponse>(request);
+        }
+
+        /// <summary>
+        /// 将弹性IP从资源上解绑
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.UnBindEIPResponse"/></returns>
+        public UnBindEIPResponse UnBindEIP(UnBindEIPRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<UnBindEIPResponse>(request);
+        }
+
+        /// <summary>
+        /// 修改EIP名字业务组备注等属性字段
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.UpdateEIPAttributeResponse"/></returns>
+        public UpdateEIPAttributeResponse UpdateEIPAttribute(UpdateEIPAttributeRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<UpdateEIPAttributeResponse>(request);
+        }
+
+        /// <summary>
+        /// 更新防火墙规则
+        /// </summary>
+        /// <param name="requestParams">请求参数.</param>
+        /// <returns>返回对象<see cref="UCloudSDK.Models.UpdateSecurityGroupResponse"/></returns>
+        public UpdateSecurityGroupResponse UpdateSecurityGroup(UpdateSecurityGroupRequest requestParams)
+        {
+            var request = new RestRequest(Method.GET);
+            request.AddUObject(requestParams);
+            return Execute<UpdateSecurityGroupResponse>(request);
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/ucloud-csharp-sdk.sln b/ucloud-csharp-sdk.sln
index ec5c088..9029367 100644
--- a/ucloud-csharp-sdk.sln
+++ b/ucloud-csharp-sdk.sln
@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 2013
-VisualStudioVersion = 12.0.31101.0
+# Visual Studio 15
+VisualStudioVersion = 15.0.28010.2019
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UCloudSDK", "UCloudSDK\UCloudSDK.csproj", "{BB3049AE-7687-4C98-A59C-70C77A525289}"
 EndProject
@@ -15,6 +15,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UCloudSDK.Net451", "UCloudS
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UCloudSDK.Net452", "UCloudSDK.Net452\UCloudSDK.Net452.csproj", "{7520B35E-BF1D-4816-866D-0D508BD9DC86}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UCloudSDK.NetCore2", "UCloudSDK.NetCore2\UCloudSDK.NetCore2.csproj", "{5D0D5CA2-CDEA-4CAB-AA17-9881742B698D}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -45,8 +47,15 @@ Global
 		{7520B35E-BF1D-4816-866D-0D508BD9DC86}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{7520B35E-BF1D-4816-866D-0D508BD9DC86}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{7520B35E-BF1D-4816-866D-0D508BD9DC86}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5D0D5CA2-CDEA-4CAB-AA17-9881742B698D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5D0D5CA2-CDEA-4CAB-AA17-9881742B698D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5D0D5CA2-CDEA-4CAB-AA17-9881742B698D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5D0D5CA2-CDEA-4CAB-AA17-9881742B698D}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {B20A4DFE-088C-4ABF-B42D-D85587183970}
+	EndGlobalSection
 EndGlobal