feat：工具类

pubspec.yaml

@@ -49,7 +49,7 @@ dependencies:
   # https://pub.dev/packages/image_picker
   image_picker: ^1.1.2
   #https://pub.dev/packages/flustars_flutter3
-#  flustars_flutter3: ^3.0.0
+  flustars_flutter3: ^3.0.0
   #https://pub.dev/packages/easy_refresh
   easy_refresh: ^3.4.0
   #https://pub.dev/packages/flutter_spinkit