GOPROXY
go env -w GO111MODULE=on
go env -w GOPROXY=https://goproxy.cn,direct
go env -w GOPROXY=https://goproxy.io,direct
go env -w GOPROXY=https://mirrors.aliyun.com/goproxy/,direct
go env -w GO111MODULE=on
go env -w GOPROXY=https://goproxy.cn,direct
go env -w GOPROXY=https://goproxy.io,direct
go env -w GOPROXY=https://mirrors.aliyun.com/goproxy/,direct