diff --git a/.gitignore b/.gitignore
index 645cec3..44a2e7e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,9 +8,10 @@
 .buildlog/
 .history
 .svn/
+migrate_working_dir/
 
 # IntelliJ related
-*.iml
+#*.iml(Do not ignore)
 *.ipr
 *.iws
 .idea/
@@ -21,24 +22,9 @@
 #.vscode/
 
 # Flutter/Dart/Pub related
+# Libraries should not include pubspec.lock, per https://dart.dev/guides/libraries/private-files#pubspeclock.
+#/pubspec.lock
 **/doc/api/
 .dart_tool/
-.flutter-plugins
-.flutter-plugins-dependencies
 .packages
-.pub-cache/
-.pub/
-/build/
-
-# Web related
-lib/generated_plugin_registrant.dart
-
-# Visual Code
-.vscode/*
-
-# Additional
-.fvm
-
-# Exceptions to above rules.
-!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
-!.vscode/launch.json
\ No newline at end of file
+build/
diff --git a/.vscode/launch.json b/.vscode/launch.json
deleted file mode 100644
index cd553a2..0000000
--- a/.vscode/launch.json
+++ /dev/null
@@ -1,14 +0,0 @@
-{
-    // Use IntelliSense to learn about possible attributes.
-    // Hover to view descriptions of existing attributes.
-    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
-    "version": "0.2.0",
-    "configurations": [
-        {
-            "name": "ai_barcode (example)",
-            "request": "launch",
-            "type": "dart",
-            "program": "example/lib/main.dart"
-        },
-    ]
-}
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5cb8ffb..0d686cd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## [3.1.0]
+
+* Flutter 3.0.1
+* Dart 2.17.1
+
+
 ## [3.0.1]
 
 * improve: website running on mobile browser
diff --git a/example/.gitignore b/example/.gitignore
index ae1f183..62346ac 100644
--- a/example/.gitignore
+++ b/example/.gitignore
@@ -10,7 +10,7 @@
 .svn/
 
 # IntelliJ related
-*.iml
+#*.iml(Do not ignore)
 *.ipr
 *.iws
 .idea/
diff --git a/example/pubspec.lock b/example/pubspec.lock
index 2547f62..e191aa3 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -5,7 +5,7 @@ packages:
     dependency: "direct main"
     description:
       name: ai_awesome_message
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.2.0"
   ai_barcode:
@@ -14,103 +14,103 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "3.0.2"
+    version: "3.1.0"
   ai_barcode_platform_interface:
     dependency: transitive
     description:
       name: ai_barcode_platform_interface
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "3.0.0"
   ai_barcode_web:
     dependency: transitive
     description:
       name: ai_barcode_web
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "3.0.0"
   air_design:
     dependency: "direct main"
     description:
       name: air_design
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.2.0"
   airoute:
     dependency: "direct main"
     description:
       name: airoute
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.2.0"
   async:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.1.0"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.2.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.3.1"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.1.0"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.16.0"
   crypto:
     dependency: transitive
     description:
       name: crypto
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "3.0.2"
   csslib:
     dependency: transitive
     description:
       name: csslib
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
-    version: "0.17.1"
+    version: "0.17.2"
   cupertino_icons:
     dependency: "direct main"
     description:
       name: cupertino_icons
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.0.4"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.3.0"
   flutter:
@@ -132,77 +132,77 @@ packages:
     dependency: transitive
     description:
       name: html
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "0.15.0"
   js:
     dependency: transitive
     description:
       name: js
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "0.6.4"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "0.12.11"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "0.1.4"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.7.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.8.1"
   permission_handler:
     dependency: "direct main"
     description:
       name: permission_handler
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "8.3.0"
   permission_handler_platform_interface:
     dependency: transitive
     description:
       name: permission_handler_platform_interface
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "3.7.0"
   plugin_platform_interface:
     dependency: transitive
     description:
       name: plugin_platform_interface
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.1.2"
   qr:
     dependency: transitive
     description:
       name: qr
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.1.0"
   qr_flutter:
     dependency: transitive
     description:
       name: qr_flutter
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "4.0.0"
   sky_engine:
@@ -214,77 +214,70 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.1.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.2.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "0.4.9"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.3.1"
   universal_html:
     dependency: transitive
     description:
       name: universal_html
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.0.8"
   universal_io:
     dependency: transitive
     description:
       name: universal_io
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.0.4"
-  universal_platform:
-    dependency: transitive
-    description:
-      name: universal_platform
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.0+1"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.1.2"
 sdks:
diff --git a/lib/src/ai_barcode_widget.dart b/lib/src/ai_barcode_widget.dart
index 9848c48..514e584 100644
--- a/lib/src/ai_barcode_widget.dart
+++ b/lib/src/ai_barcode_widget.dart
@@ -1,9 +1,10 @@
+import 'dart:io';
+
 import 'package:ai_barcode/src/creator/ai_barcode_mobile_creator_plugin.dart';
 import 'package:ai_barcode/src/scanner/ai_barcode_mobile_scanner_plugin.dart';
 import 'package:ai_barcode_platform_interface/ai_barcode_platform_interface.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:universal_platform/universal_platform.dart';
 
 ///
 /// PlatformScannerWidget
@@ -74,7 +75,7 @@ class _PlatformScannerWidgetState
   @override
   Widget build(BuildContext context) {
     if (!kIsWeb) {
-      if (UniversalPlatform.isAndroid || UniversalPlatform.isIOS) {
+      if (Platform.isAndroid || Platform.isIOS) {
         AiBarcodeScannerPlatform.instance = AiBarcodeMobileScannerPlugin();
       }
     }
@@ -207,7 +208,7 @@ class _PlatformAiBarcodeCreatorState
   @override
   Widget build(BuildContext context) {
     if (!kIsWeb) {
-      if (UniversalPlatform.isAndroid || UniversalPlatform.isIOS) {
+      if (Platform.isAndroid || Platform.isIOS) {
         AiBarcodeCreatorPlatform.instance = AiBarcodeMobileCreatorPlugin();
       }
     }
diff --git a/lib/src/creator/ai_barcode_mobile_creator_plugin.dart b/lib/src/creator/ai_barcode_mobile_creator_plugin.dart
index 3775c11..9d637d5 100644
--- a/lib/src/creator/ai_barcode_mobile_creator_plugin.dart
+++ b/lib/src/creator/ai_barcode_mobile_creator_plugin.dart
@@ -1,7 +1,6 @@
 import 'package:ai_barcode_platform_interface/ai_barcode_platform_interface.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:universal_platform/universal_platform.dart';
 
 /// AiBarcodeMobileCreatorPlugin
 class AiBarcodeMobileCreatorPlugin extends AiBarcodeCreatorPlatform {
@@ -12,7 +11,8 @@ class AiBarcodeMobileCreatorPlugin extends AiBarcodeCreatorPlatform {
 
   /// Barcode widget
   Widget _barcodeCreator({required BuildContext context}) {
-    if (UniversalPlatform.isAndroid) {
+    final TargetPlatform targetPlatform = Theme.of(context).platform;
+    if (targetPlatform == TargetPlatform.android) {
       return AndroidView(
         viewType: AiBarcodePlatform.viewIdOfCreator,
         creationParams: <String, dynamic>{
@@ -28,7 +28,7 @@ class AiBarcodeMobileCreatorPlugin extends AiBarcodeCreatorPlatform {
               AiBarcodeCreatorPlatform.instance.initialValueOfCreator);
         },
       );
-    } else if (UniversalPlatform.isIOS) {
+    } else if (targetPlatform == TargetPlatform.iOS) {
       return UiKitView(
         viewType: AiBarcodePlatform.viewIdOfCreator,
         creationParams: <String, dynamic>{
diff --git a/lib/src/scanner/ai_barcode_mobile_scanner_plugin.dart b/lib/src/scanner/ai_barcode_mobile_scanner_plugin.dart
index bd6b200..81b547f 100644
--- a/lib/src/scanner/ai_barcode_mobile_scanner_plugin.dart
+++ b/lib/src/scanner/ai_barcode_mobile_scanner_plugin.dart
@@ -1,7 +1,6 @@
 import 'package:ai_barcode_platform_interface/ai_barcode_platform_interface.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:universal_platform/universal_platform.dart';
 
 ///
 /// AiBarcodeMobileScannerPlugin
@@ -15,7 +14,8 @@ class AiBarcodeMobileScannerPlugin extends AiBarcodeScannerPlatform {
   ///
   /// Support android and ios platform barcode reader
   Widget _cameraView(BuildContext context) {
-    if (UniversalPlatform.isAndroid) {
+    final TargetPlatform targetPlatform = Theme.of(context).platform;
+    if (targetPlatform == TargetPlatform.android) {
       return AndroidView(
         viewType: AiBarcodePlatform.viewIdOfScanner,
         onPlatformViewCreated: (int id) {
@@ -24,7 +24,7 @@ class AiBarcodeMobileScannerPlugin extends AiBarcodeScannerPlatform {
         creationParams: <String, dynamic>{},
         creationParamsCodec: StandardMessageCodec(),
       );
-    } else if (UniversalPlatform.isIOS) {
+    } else if (targetPlatform == TargetPlatform.iOS) {
       return UiKitView(
         viewType: AiBarcodePlatform.viewIdOfScanner,
         onPlatformViewCreated: (int id) {
diff --git a/pubspec.lock b/pubspec.lock
index 8c3bab0..c164408 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -5,77 +5,77 @@ packages:
     dependency: "direct main"
     description:
       name: ai_barcode_platform_interface
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "3.0.0"
   ai_barcode_web:
     dependency: "direct main"
     description:
       name: ai_barcode_web
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "3.0.0"
   async:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.1.0"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.2.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.3.1"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.1.0"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.16.0"
   crypto:
     dependency: transitive
     description:
       name: crypto
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
-    version: "3.0.1"
+    version: "3.0.2"
   csslib:
     dependency: transitive
     description:
       name: csslib
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
-    version: "0.17.0"
+    version: "0.17.2"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.3.0"
   flutter:
@@ -87,7 +87,7 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.0.1"
   flutter_test:
@@ -104,63 +104,63 @@ packages:
     dependency: transitive
     description:
       name: html
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "0.15.0"
   js:
     dependency: transitive
     description:
       name: js
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "0.6.4"
   lints:
     dependency: transitive
     description:
       name: lints
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.0.0"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "0.12.11"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "0.1.4"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.7.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.8.1"
   qr:
     dependency: transitive
     description:
       name: qr
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   qr_flutter:
     dependency: transitive
     description:
       name: qr_flutter
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "4.0.0"
   sky_engine:
@@ -172,77 +172,70 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.1.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "1.2.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "0.4.9"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
-    version: "1.3.0"
+    version: "1.3.1"
   universal_html:
     dependency: transitive
     description:
       name: universal_html
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.0.8"
   universal_io:
     dependency: transitive
     description:
       name: universal_io
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.0.4"
-  universal_platform:
-    dependency: "direct main"
-    description:
-      name: universal_platform
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.0-nullsafety"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.dartlang.org"
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub/"
     source: hosted
     version: "2.1.2"
 sdks:
diff --git a/pubspec.yaml b/pubspec.yaml
index 01559c4..91d8774 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: ai_barcode
 description: barcode,qrcode,scan,scanning,Barcode generation,Barcode scanning,qrcode,qrcode generation,qrcode creator
-version: 3.0.2
+version: 3.1.0
 homepage: https://pdliuw.github.io/
 repository: https://github.com/pdliuw/ai_barcode
 
@@ -12,7 +12,6 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  universal_platform: ^1.0.0-nullsafety
   ai_barcode_platform_interface: ^3.0.0
   ai_barcode_web: ^3.0.0