国内设置golang proxy

[mxadmin@dw1-cn exec]$ go get github.com/lib/pqgo: module github.com/lib/pq: Get "https://proxy.golang.org/github.com/lib/pq/@v/list": dial tcp 142.251.43.17:443: i/o timeout[mxadmin@dw1-cn exec]$ go env -w GOPROXY=https://goproxy.cn,direct[mxadmin@dw1-cn exec]$ go get github.com/lib/pqgo: downloading github.com/lib/pq v1.10.9go: added github.com/lib/pq v1.10.9