SAF初步修改，等待验证

pubspec.yaml

@@ -16,7 +16,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 1.3.0-dev.1
+version: 1.3.0-dev.2
 
 environment:
   sdk: ^3.9.2
@@ -37,6 +37,9 @@ dependencies:
   path_provider: ^2.1.0
   path: ^1.9.0
   flutter_svg: ^2.0.10+1
+  shared_preferences: ^2.2.0
+  file_picker: ^6.0.0
+
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.