FLUTTER_STORAGE_BASE_URL:https://mirrors.sjtug.sjtu.edu.cn
PUB_HOSTED_URL:https://pub.flutter-io.cn/
Note: Personal user variables are set on windows, not system variables
FLUTTER_STORAGE_BASE_URL:https://mirrors.sjtug.sjtu.edu.cn
PUB_HOSTED_URL:https://pub.flutter-io.cn/
Note: Personal user variables are set on windows, not system variables