Go编译时报错
Get "https://proxy.golang.org/github.com/%21masterminds/semver/v3/@v/v3.1.0.mod": dial tcp 34.64.4.113:443: i/o timeout

export GOPROXY=https://mirrors.aliyun.com/goproxy/



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some other proxies to try:

or skip the proxy altogether: export GOPROXY=direct