diff --git a/.idea/libraries/Dart_SDK.xml b/.idea/libraries/Dart_SDK.xml
index 12bdc22..064ff21 100644
--- a/.idea/libraries/Dart_SDK.xml
+++ b/.idea/libraries/Dart_SDK.xml
@@ -1,25 +1,25 @@
 <component name="libraryTable">
   <library name="Dart SDK">
     <CLASSES>
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/async" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/cli" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/collection" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/convert" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/core" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/developer" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/ffi" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/html" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/indexed_db" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/io" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/isolate" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/js" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/js_util" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/math" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/mirrors" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/svg" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/typed_data" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/web_audio" />
-      <root url="file://$PROJECT_DIR$/../fvm/versions/2.8.1/bin/cache/dart-sdk/lib/web_gl" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/async" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/cli" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/collection" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/convert" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/core" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/developer" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/ffi" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/html" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/indexed_db" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/io" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/isolate" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/js" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/js_util" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/math" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/mirrors" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/svg" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/typed_data" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/web_audio" />
+      <root url="file://$PROJECT_DIR$/../fvm/default/bin/cache/dart-sdk/lib/web_gl" />
     </CLASSES>
     <JAVADOC />
     <SOURCES />
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 7d8294f..1cfc7b8 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,10 +2,14 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="2f8e3712-04e2-429a-bcea-c8db1a54008e" name="默认变更列表" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/libraries/Dart_SDK.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/libraries/Dart_SDK.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/android/src/main/java/com/dj/printer/dj_printer/DjPrinterPlugin.java" beforeDir="false" afterPath="$PROJECT_DIR$/android/src/main/java/com/dj/printer/dj_printer/DjPrinterPlugin.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/android/.idea/gradle.xml" beforeDir="false" afterPath="$PROJECT_DIR$/android/.idea/gradle.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/android/.idea/modules.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/android/src/main/java/com/dj/printer/dj_printer/AsPrint.java" beforeDir="false" afterPath="$PROJECT_DIR$/android/src/main/java/com/dj/printer/dj_printer/AsPrint.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/lib/main.dart" beforeDir="false" afterPath="$PROJECT_DIR$/example/lib/main.dart" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/example/pubspec.lock" beforeDir="false" afterPath="$PROJECT_DIR$/example/pubspec.lock" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/lib/dj_printer.dart" beforeDir="false" afterPath="$PROJECT_DIR$/lib/dj_printer.dart" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pubspec.lock" beforeDir="false" afterPath="$PROJECT_DIR$/pubspec.lock" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -31,11 +35,17 @@
     </file-type-list>
   </component>
   <component name="HighlightingSettingsPerFile">
+    <setting file="file://$PROJECT_DIR$/example/lib/main.dart" root0="SKIP_INSPECTION" />
     <setting file="file://$PROJECT_DIR$/example/pubspec.yaml" root0="SKIP_INSPECTION" />
     <setting file="file://$PROJECT_DIR$/lib/dj_printer.dart" root0="SKIP_INSPECTION" />
-    <setting file="file://$PROJECT_DIR$/example/lib/main.dart" root0="SKIP_INSPECTION" />
+  </component>
+  <component name="MarkdownSettingsMigration">
+    <option name="stateVersion" value="1" />
   </component>
   <component name="ProjectId" id="20i7PcthqmcXBmYTwGkZSh1utIA" />
+  <component name="ProjectReloadState">
+    <option name="STATE" value="1" />
+  </component>
   <component name="ProjectView">
     <navigator currentView="ProjectPane" proportions="" version="1" />
     <panes>
@@ -49,6 +59,8 @@
     <option name="showLibraryContents" value="true" />
   </component>
   <component name="PropertiesComponent">
+    <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
+    <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
     <property name="dart.analysis.tool.window.force.activate" value="true" />
     <property name="dart.analysis.tool.window.visible" value="false" />
     <property name="io.flutter.reload.alreadyRun" value="true" />
@@ -83,7 +95,6 @@
         </entry>
       </map>
     </option>
-    <option name="oldMeFiltersMigrated" value="true" />
   </component>
   <component name="XSLT-Support.FileAssociations.UIState">
     <expand />
diff --git a/android/.idea/gradle.xml b/android/.idea/gradle.xml
index b220fcc..6cec569 100644
--- a/android/.idea/gradle.xml
+++ b/android/.idea/gradle.xml
@@ -12,7 +12,6 @@
             <option value="$PROJECT_DIR$" />
           </set>
         </option>
-        <option name="resolveModulePerSourceSet" value="false" />
       </GradleProjectSettings>
     </option>
   </component>
diff --git a/android/.idea/modules.xml b/android/.idea/modules.xml
index dc6a25e..8ca7f48 100644
--- a/android/.idea/modules.xml
+++ b/android/.idea/modules.xml
@@ -3,6 +3,9 @@
   <component name="ProjectModuleManager">
     <modules>
       <module fileurl="file://$PROJECT_DIR$/.idea/modules/dj_printer.iml" filepath="$PROJECT_DIR$/.idea/modules/dj_printer.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/dj_printer.androidTest.iml" filepath="$PROJECT_DIR$/.idea/modules/dj_printer.androidTest.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/dj_printer.main.iml" filepath="$PROJECT_DIR$/.idea/modules/dj_printer.main.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/dj_printer.unitTest.iml" filepath="$PROJECT_DIR$/.idea/modules/dj_printer.unitTest.iml" />
     </modules>
   </component>
 </project>
\ No newline at end of file
diff --git a/android/src/main/java/com/dj/printer/dj_printer/AsPrint.java b/android/src/main/java/com/dj/printer/dj_printer/AsPrint.java
index 81c063e..1595b14 100644
--- a/android/src/main/java/com/dj/printer/dj_printer/AsPrint.java
+++ b/android/src/main/java/com/dj/printer/dj_printer/AsPrint.java
@@ -21,11 +21,23 @@ public class AsPrint {
     }
 
     public void printAsCode(String code, String channel, String country, String countStr, int offset, boolean hasPlan) throws IOException {
-        if (hasPlan) {
-            PrintPlan(code, channel, country, countStr, offset);
-        } else {
-            PrintNoPlan(code, countStr, offset);
-        }
+        printTest();
+//        if (hasPlan) {
+//            PrintPlan(code, channel, country, countStr, offset);
+//        } else {
+//            PrintNoPlan(code, countStr, offset);
+//        }
+    }
+
+    private void printTest() throws UnsupportedEncodingException {
+        cpclPrinter.setForm(0, 203, 203, 500, 575, 0, 1);
+        cpclPrinter.setMedia(CPCLConst.LK_CPCL_LABEL);
+        cpclPrinter.setJustification(CPCLConst.LK_CPCL_CENTER);
+
+        cpclPrinter.printBox(5,5,500,300,3);
+        cpclPrinter.printLine(5,50,500,50,3);
+        cpclPrinter.printLine(430,300,480,250,3);
+        cpclPrinter.printForm();
     }
 
     private void PrintPlan(String code, String channel, String country, String countStr, int offset) throws IOException {
@@ -61,7 +73,8 @@ public class AsPrint {
         cpclPrinter.printAndroidFont(400 - offset, 300, Typeface.DEFAULT, countStr, 575, 30);
         cpclPrinter.printForm();
     }
+
     public int Get_Status() {
-        return  cpclPrinter.status();
+        return cpclPrinter.status();
     }
 }
diff --git a/example/lib/main.dart b/example/lib/main.dart
index 7b28f3a..420a70e 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -39,8 +39,13 @@ class _MyAppState extends State<MyApp> {
     DjPrinter().init();
     DjPrinter().addDiscoveryListen(onReceive: (data) {
       var js = json.decode(data.toString());
-      devices.add(Device(
-          name: js['name'], address: js['address'], isPaired: js['isPaired']));
+      if ((js['name'] as String).startsWith('3R20P')) {
+        devices.add(Device(
+            name: js['name'],
+            address: js['address'],
+            isPaired: js['isPaired']));
+      }
+
       setState(() {});
     }, onStart: () {
       print("————————————————————————");
@@ -87,7 +92,7 @@ class _MyAppState extends State<MyApp> {
               ),
               TextButton(
                   onPressed: () {
-                    DjPrinter().print(
+                    DjPrinter().printAScode(
                         code: 'ASSZ2022012500010002',
                         channel: 'cosco定提-月达-卡派',
                         country: '美国',
@@ -95,7 +100,16 @@ class _MyAppState extends State<MyApp> {
                         offset: 0,
                         hasPlan: false);
                   },
-                  child: const Text('打印'))
+                  child: const Text('打印')),
+
+              const SizedBox(
+                height: 20,
+              ),
+              TextButton(
+                  onPressed: () {
+                    DjPrinter().disposeConnect();
+                  },
+                  child: const Text('取消链接'))
             ],
           ),
         ),
diff --git a/example/pubspec.lock b/example/pubspec.lock
index e52ea86..c093bf6 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -5,58 +5,58 @@ packages:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
   bot_toast:
     dependency: "direct main"
     description:
       name: bot_toast
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.1"
+    version: "4.0.2"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.1"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.0"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   cupertino_icons:
     dependency: "direct main"
     description:
       name: cupertino_icons
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.4"
+    version: "1.0.5"
   dj_printer:
     dependency: "direct main"
     description:
@@ -68,9 +68,9 @@ packages:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -80,7 +80,7 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.4"
   flutter_test:
@@ -92,70 +92,77 @@ packages:
     dependency: transitive
     description:
       name: lints
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.1"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "0.12.11"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.4"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.7.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.1"
   permission_handler:
     dependency: "direct main"
     description:
       name: permission_handler
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "9.2.0"
   permission_handler_android:
     dependency: transitive
     description:
       name: permission_handler_android
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "9.0.2"
+    version: "9.0.2+1"
   permission_handler_apple:
     dependency: transitive
     description:
       name: permission_handler_apple
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "9.0.2"
+    version: "9.0.4"
   permission_handler_platform_interface:
     dependency: transitive
     description:
       name: permission_handler_platform_interface
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "3.7.0"
   permission_handler_windows:
     dependency: transitive
     description:
       name: permission_handler_windows
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.0"
   plugin_platform_interface:
     dependency: transitive
     description:
       name: plugin_platform_interface
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.2"
   sky_engine:
@@ -167,58 +174,51 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "0.4.3"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "0.4.9"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.2"
 sdks:
-  dart: ">=2.15.0 <3.0.0"
+  dart: ">=2.17.0-0 <3.0.0"
   flutter: ">=2.8.0"
diff --git a/pubspec.lock b/pubspec.lock
index 3128254..d4b1f47 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -5,51 +5,51 @@ packages:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.1"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.0"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -59,7 +59,7 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.4"
   flutter_test:
@@ -71,37 +71,37 @@ packages:
     dependency: transitive
     description:
       name: lints
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.1"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "0.12.11"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.2"
+    version: "0.1.4"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.7.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -111,58 +111,51 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.8"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.3.0"
+    version: "0.4.9"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.2"
 sdks:
-  dart: ">=2.14.0 <3.0.0"
+  dart: ">=2.17.0-0 <3.0.0"
   flutter: ">=1.20.0"