diff --git a/dc-backend/src/main/java/api/estimate/EstimateServlet.java b/dc-backend/src/main/java/api/estimate/EstimateServlet.java
index 9e40f5d..22a0090 100644
--- a/dc-backend/src/main/java/api/estimate/EstimateServlet.java
+++ b/dc-backend/src/main/java/api/estimate/EstimateServlet.java
@@ -95,21 +95,10 @@ protected void doGet(HttpServletRequest request, HttpServletResponse response) t
 
             /*In use when click change button.
              * */
-            String estiId="";
-            try {
-                estiId = pathParam[2];
-                System.out.println("estiId is "+estiId);
-                Logger.getLogger("estiId ",estiId);
-            }catch (NullPointerException nu){
-                nu.printStackTrace();
-            }
-            /*
-             * check whether ID is in the estimate table;
-             * if not,we create one.Then update.
-
-             * if in,we directly get.
-             * */
-            String[][] IDArray = DBUtil.select("estimate", new String[]{"estiId"});
+            String estiId = "";
+            estiId = pathParam[2];
+            String[]params_estiId={"estiId"};
+            String[][] IDArray = DBUtil.select("estimate", params_estiId);
             HashSet<String> IDset = new HashSet<>();
             for (String[] aID : IDArray) {
                 IDset.add(aID[0]);
@@ -124,9 +113,9 @@ protected void doGet(HttpServletRequest request, HttpServletResponse response) t
             String[] params = new String[]{
                     "linksXpath", "contentXpath", "startWord", "walkTimes", "contentLocation", "querySend"
             };
-            String[] conParams = {"estiId"};
+
             String[] conPalues = {estiId};
-            String[][] estiData = DBUtil.select("estimate", params, conParams, conPalues);
+            String[][] estiData = DBUtil.select("estimate", params, params_estiId, conPalues);
 
             for (int i = 0; i < params.length; i++) {
                 if (estiData[0][i] != null) {
@@ -136,7 +125,8 @@ protected void doGet(HttpServletRequest request, HttpServletResponse response) t
                 }
             }
 
-            String[][] IDArray1 = DBUtil.select("urlbaseconf", new String[]{"webId"});
+            String []params_webId={"webId"};
+            String[][] IDArray1 = DBUtil.select("urlBaseConf", params_webId);
             HashSet<String> IDset1 = new HashSet<>();
             for (String[] aID : IDArray1) {
                 IDset1.add(aID[0]);
@@ -149,7 +139,7 @@ protected void doGet(HttpServletRequest request, HttpServletResponse response) t
 
             String[][] urlBaseConfData;
             if (IDset1.contains(estiId)) {
-                urlBaseConfData = DBUtil.select("urlbaseconf", params1, conParams1, conPalues1);
+                urlBaseConfData = DBUtil.select("urlBaseConf", params1, conParams1, conPalues1);
             } else {
                 urlBaseConfData = new String[1][params1.length];
                 for (int i = 0; i < params1.length; i++) {
diff --git a/dc-backend/src/main/java/application.properties b/dc-backend/src/main/java/application.properties
index 01c5b54..4860777 100644
--- a/dc-backend/src/main/java/application.properties
+++ b/dc-backend/src/main/java/application.properties
@@ -1,6 +1,7 @@
 mysqlUserName=root
-mysqlPassword=123456
-mysqlURL=jdbc:mysql://localhost:3306/webcrawler?characterEncoding=UTF-8&useSSL=false&useAffectedRows=true&allowPublicKeyRetrieval=true&serverTimezone=GMT%2B8
+
+mysqlPassword=ElTo@EW*nIWOt2Tk
+mysqlURL=jdbc:mysql://10.24.11.134:3306/webcrawler?characterEncoding=UTF-8&useSSL=false&allowPublicKeyRetrieval=true
 
 baseWorkDir=/Users/cwc/Desktop/tencent/data-crawling/
 
diff --git a/dc-backend/src/main/java/util/DBUtil.java b/dc-backend/src/main/java/util/DBUtil.java
index 6c43d87..9294804 100644
--- a/dc-backend/src/main/java/util/DBUtil.java
+++ b/dc-backend/src/main/java/util/DBUtil.java
@@ -1085,11 +1085,22 @@ public static String[][] selectAllTable_data(String table) throws Exception  {
     }
 
 	public static void main(String[] args){
-		String[] params_value = {"aaaa","prefix"};
-		String[] params= {"requestName","requestDesc"};
-		boolean flag = DBUtil.insert("requesttable", params, params_value);
-		System.out.println("insert or not ?"+flag);
-
+//		String[] params_value = {"aaaa","prefix"};
+//		String[] params= {"requestName","requestDesc"};
+//		boolean flag = DBUtil.insert("requesttable", params, params_value);
+//		System.out.println("insert or not ?"+flag);
+//		String[][] IDArray1 = DBUtil.select("urlBaseconf", new String[]{""});
+		String[][] IDArray = new String[0][];
+		try {
+			IDArray = DBUtil.select("estimate",new String[]{"estiId"});
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		for(int i=0;i<IDArray.length;i++){
+			for (int j=0;j<IDArray[0].length;j++)
+			System.out.print(IDArray[i][j]+" ");
+			System.out.println();
+		}
 	}
 
 }
diff --git a/dc-backend/src/main/java/util/WebCrawlerDemo.java b/dc-backend/src/main/java/util/WebCrawlerDemo.java
index d0037cc..ceade1a 100644
--- a/dc-backend/src/main/java/util/WebCrawlerDemo.java
+++ b/dc-backend/src/main/java/util/WebCrawlerDemo.java
@@ -119,8 +119,8 @@ private Map<String, Boolean> crawlLinks(String oldLinkHost,
                     HttpURLConnection connection = (HttpURLConnection) url
                             .openConnection();
                     connection.setRequestMethod("GET");
-                    connection.setConnectTimeout(2000);
-                    connection.setReadTimeout(2000);
+                    connection.setConnectTimeout(200000);
+                    connection.setReadTimeout(200000);
 
                     if (connection.getResponseCode() == 200) {
                         InputStream inputStream = connection.getInputStream();
@@ -128,7 +128,7 @@ private Map<String, Boolean> crawlLinks(String oldLinkHost,
                                 new InputStreamReader(inputStream, "UTF-8"));
                         String line = "";
                         Pattern pattern = Pattern
-                                .compile("<a.*?href=[\"']?((https?://)?/?[^\"']+)[\"']?.*?>(.+)</a>");
+                                .compile("<[aA]{1}.*?href=[\"']?((https?://)?/?[^\"']+)[\"']?.*?>(.+)</[aA]{1}>");
                         Matcher matcher = null;
                         while (((line = reader.readLine()) != null)&&stopFlag) {
                             matcher = pattern.matcher(line);
diff --git a/dc-backend/src/main/webapp/WEB-INF/lib/import_tool-jar-with-dependencies.jar b/dc-backend/src/main/webapp/WEB-INF/lib/import_tool-jar-with-dependencies.jar
index e74a01b..4d30360 100644
Binary files a/dc-backend/src/main/webapp/WEB-INF/lib/import_tool-jar-with-dependencies.jar and b/dc-backend/src/main/webapp/WEB-INF/lib/import_tool-jar-with-dependencies.jar differ