執(zhí)行flutter doctor報(bào)錯(cuò)
[!] HTTP Host Availability
? HTTP host https://maven.google.com/ is not reachable. Reason: An error
occurred while checking the HTTP host: Operation timed out
解決方法：
1.找到flutter sdk的文件目錄，，打開(kāi)flutter\packages\flutter_tools\lib\src\http_host_validator.dart
2.將https://maven.google.com/修改為https://dl.google.com/dl/android/maven2/榛了，保存退出
3.在flutter\bin目錄在讶，刪除cache文件夾
4.重新運(yùn)行終端執(zhí)行flutter doctor，自動(dòng)下載文件霜大，解決問(wèn)題
