我通过浏览器在https://commondatastorage.googleapis.com/chrome-infra-docs/flat/depot_tools/docs/html/depot_tools_tutorial.html#_setting_up
下载了depot_tools，然后添加了环境变量，最后设置ssr全局代理，结果在cmd下运行命令
gclient
仍然出现了以下错误：
[P9548 17:16:13.850 client.go:306 W] [fetch 1/3] RPC failed transiently. Will retry in 1s {"error":"rpc error: code = Internal desc = prpc: when sending request: Post "https://chrome-infra-packages.appspot.com/prpc/cipd.Repository/GetInstanceURL/%22: dial tcp 173.236.212.42:443: connectex: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.", "host":"chrome-infra-packages.appspot.com", "method":"GetInstanceURL", "service":"cipd.Repository", "sleepTime":"1s"}
[P9548 17:16:36.229 client.go:306 W] [fetch 1/3] RPC failed transiently. Will retry in 2s {"error":"rpc error: code = Internal desc = prpc: when sending request: Post "https://chrome-infra-packages.appspot.com/prpc/cipd.Repository/GetInstanceURL/%22: dial tcp 173.236.212.42:443: connectex: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.", "host":"chrome-infra-packages.appspot.com", "method":"GetInstanceURL", "service":"cipd.Repository", "sleepTime":"2s"}
……
请问如何解决？