flutter pub get已执行，未执行添加依赖包

dependencies:
  flutter:
    sdk: flutter
  english_words: ^3.1.0
  http: ^0.13.4
  cupertino_icons: ^1.0.2

添加http依赖包，执行flutter pub get
打印log:

C:\src\flutter\bin\flutter.bat --no-color pub get
Flutter assets will be downloaded from https://storage.flutter-io.cn. Make sure you trust this source!
Running "flutter pub get" in ok...                                 339ms
Process finished with exit code 0

并没有实际引入依赖包，求解

已解决，代码目录读写权限问题