wget https://dl.google.com/go/go1.14.3.linux-amd64.tar.gz  或
wget https://dl.google.com/go/go1.11.5.linux-amd64.tar.gz
tar -C /usr/local -xzf go1.14.3.linux-amd64.tar.gz

记录：

export PATH=$PATH:/usr/local/go/bin
go env -w GO111MODULE=auto
go env -w GOPROXY=https://goproxy.cn,direct