Flutter 设置镜像地址

https://flutter.cn/community/china

export PUB_HOSTED_URL=https://pub.flutter-io.cn
export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn

上海交大 Linux 用户组

export PUB_HOSTED_URL=https://dart-pub.mirrors.sjtug.sjtu.edu.cn
export FLUTTER_STORAGE_BASE_URL=https://mirrors.sjtug.sjtu.edu.cn

清华大学 TUNA 协会

export PUB_HOSTED_URL=https://mirrors.tuna.tsinghua.edu.cn/dart-pub
export FLUTTER_STORAGE_BASE_URL=https://mirrors.tuna.tsinghua.edu.cn/flutter

腾讯云开源镜像站

export PUB_HOSTED_URL=https://mirrors.cloud.tencent.com/dart-pub
export FLUTTER_STORAGE_BASE_URL=https://mirrors.cloud.tencent.com/flutter