新建一個flutter項目的時候，報了一個這樣的錯誤:

D:\>flutter create demo
Recreating project D:\demo...
Because demo depends on cupertino_icons any which doesn't exist (could not find package cupertino_icons at https://storage.flutter-io.cn), version solving failed.
pub get failed (server unavailable) -- attempting retry 1 in 1 second...
Because demo depends on cupertino_icons any which doesn't exist (could not find package cupertino_icons at https://storage.flutter-io.cn), version solving failed.
pub get failed (server unavailable) -- attempting retry 2 in 2 seconds...
Because demo depends on cupertino_icons any which doesn't exist (could not find package cupertino_icons at https://storage.flutter-io.cn), version solving failed.
pub get failed (server unavailable) -- attempting retry 3 in 4 seconds...
Running "flutter pub get" in demo...

問題的解決方案

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

把上面添加到用戶變量里面如下圖所示

環(huán)境變量