1.去除不必要的文件

pubspec.yaml

@@ -91,7 +91,6 @@ flutter:
 
   # To add assets to your plugin package, add an assets section, like this:
   assets:
-    - assets/images/launch_image/launch_image.png
     - assets/images/empty/empty.png
     - assets/images/qrcode/default_qrcode.png
     - assets/images/loading/loading.gif