wget https://studygolang.com/dl/golang/go1.13.4.linux-amd64.tar.gz #下载
tar -xzf go1.13.4.linux-amd64.tar.gz -C /usr/local
vim /etc/profilevim /etc/profile
export GOROOT=/usr/local/go
export GOPATH=$HOME/gocode
export PATH=$PATH:$GOROOT/bin:$GOPATH/bin
source /etc/profile
go version