1、rm -rf /usr/local/go
2、wget https://dl.google.com/go/go1.13.linux-amd64.tar.gz
wget https://dl.google.com/go/go1.13.linux-amd64.tar.gz
3、tar -C /usr/local -xzf go1.13.linux-amd64.tar.gz
tar -C /usr/local -xzf go1.13.linux-amd64.tar.gz
go version即可看版本是否有升级成功