go env -w GOPROXY=https://goproxy.cn
然后再次尝试执行你的go命令试试看，搞定了吧
                                    安装插件是出现 如下错误提示，
https fetch failed: Get https://golang.org/x/tools/cmd/gorename?go-get=1: dial tcp 216.239.37.1:443: connectex: A connection attempt failed because the connected party did not ...
                                    准备入门go，在安装gin，执行go get -u github.com/gin-gonic/gin命令，却遇到如下报错：
go get: module github.com/gin-gonic/gin: Get 
"https://proxy.golang.org/github.com/gin-gonic/gin/@v/list":
 dial tcp 216.58.200.241:443: connectex: A connection attempt failed 
 because the con
                                    dial tcp 172.217.163.49:443: 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.
                                    [root@k8s-master wlf]# cat /etc/resolv.conf
# Generated by NetworkManager
search localdomain
nameserver 192.168.190.2
[root@k8s-master wlf]# vi /etc/resolv.conf
[root@k8s-master wlf]# cat /etc/resolv.conf
# Generated by NetworkManager
search localdomain
git config --global http.sslVerify false
 出现dial tcp 172.217.160.113:443: connect: connection refus...
                                    问题描述：
从github上下载代表项目的时候，报module ***: Get “https://proxy.golang.org/***”: dial tcp 172.217.160.113:443: connectex: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed beca
                                    1. go build, 提示以下错误：
github.com/alecthomas/template@v0.0.0-20190718012654-fb15b899a751: Get "https://proxy.golang.org/github.com/alecthomas/template/@v/v0.0.0-20190718012654-fb15b899a751.mod": dial tcp 216.58.200.49:443: connectex: A connection attempt f.