1.https://go.dev/下载golang包

 vi ~/.bashrc
 export GOROOT=/home/hong/Downloads/go1.19.4.linux-amd64/go
 export GOPATH=/home/bruce/goProject
 export GOBIN=$GOPATH/bin
 export PATH=$PATH:$GOROOT/bin
 export PATH=$PATH:$GOPATH/bin
source ~/.bashrc

3.go代理

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