更新依赖

pubspec.yaml

@@ -4,12 +4,12 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 
 environment:
-  sdk: '>=3.0.0-21.0.dev <4.0.0'
+  sdk: '>=2.19.2 <3.0.0'
 
 dependencies:
   flutter:
     sdk: flutter
-  cupertino_icons: ^1.0.2
+  cupertino_icons: ^1.0.5
   get: ^4.6.5
   dio: ^5.1.1
   shared_preferences: ^2.0.15