安装 brew install go 这里采用界面安装 http://c.biancheng.net/view/3994.html 验证 go version
brew install go
go version
(base) lcc@lcc ~$ go version go version go1.14.2 darwin/amd64 (base) lcc@lcc ~$
(base) lcc@lcc ~$ go version go version go1.14.2 darwin/amd64