diff --git a/my_flutter/pubspec.lock b/my_flutter/pubspec.lock
index 5c7dda7..17f1870 100644
--- a/my_flutter/pubspec.lock
+++ b/my_flutter/pubspec.lock
@@ -5,58 +5,65 @@ packages:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.3.0"
+    version: "2.10.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.5"
-  charcode:
+    version: "2.1.1"
+  characters:
     dependency: transitive
     description:
-      name: charcode
-      url: "https://pub.flutter-io.cn"
+      name: characters
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.2"
-  collection:
+    version: "1.2.1"
+  clock:
     dependency: transitive
     description:
-      name: collection
-      url: "https://pub.flutter-io.cn"
+      name: clock
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.11"
-  cookie_jar:
+    version: "1.1.1"
+  collection:
     dependency: transitive
     description:
-      name: cookie_jar
-      url: "https://pub.flutter-io.cn"
+      name: collection
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.17.0"
   cupertino_icons:
     dependency: "direct main"
     description:
       name: cupertino_icons
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.2"
+    version: "0.1.3"
   dio:
     dependency: "direct main"
     description:
       name: dio
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.2"
+    version: "5.0.3"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.1"
   fluro:
     dependency: "direct main"
     description:
       name: fluro
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.5.1"
+    version: "1.7.8"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -67,41 +74,48 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  matcher:
+  http_parser:
     dependency: transitive
     description:
-      name: matcher
-      url: "https://pub.flutter-io.cn"
+      name: http_parser
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.5"
-  meta:
+    version: "4.0.2"
+  js:
     dependency: transitive
     description:
-      name: meta
-      url: "https://pub.flutter-io.cn"
+      name: js
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.7"
-  path:
+    version: "0.6.5"
+  matcher:
     dependency: transitive
     description:
-      name: path
-      url: "https://pub.flutter-io.cn"
+      name: matcher
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.4"
-  pedantic:
+    version: "0.12.13"
+  material_color_utilities:
     dependency: transitive
     description:
-      name: pedantic
-      url: "https://pub.flutter-io.cn"
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0+1"
-  quiver:
+    version: "0.2.0"
+  meta:
     dependency: transitive
     description:
-      name: quiver
-      url: "https://pub.flutter-io.cn"
+      name: meta
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.8.0"
+  path:
+    dependency: transitive
+    description:
+      name: path
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.5"
+    version: "1.8.2"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -111,58 +125,58 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.5.5"
+    version: "1.9.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.3"
+    version: "1.11.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.5"
+    version: "1.2.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.5"
+    version: "0.4.16"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.1"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
+    version: "2.1.4"
 sdks:
-  dart: ">=2.2.2 <3.0.0"
-  flutter: ">=1.2.0"
+  dart: ">=2.18.0 <3.0.0"
+  flutter: ">=1.17.0"
diff --git a/my_flutter/pubspec.yaml b/my_flutter/pubspec.yaml
index 6b345b8..908e7a7 100644
--- a/my_flutter/pubspec.yaml
+++ b/my_flutter/pubspec.yaml
@@ -24,7 +24,7 @@ dependencies:
   flutter:
     sdk: flutter
   fluro: "^1.3.4"
-  dio: "^2.1.0"
+  dio: ">=2.1.0 <6.0.0"
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.