Go command execution reports GOPATH not set problem

#go installation directory #go executable program directory

export GOROOT=/usr/local/go

export GOPATH=/Users/username/gopath

export PATH=$GOROOT/bin$GOPATH/bin

#After the configuration is complete source /etc/profile

#windows configuration is relatively simple, restart the machine after creating two new environment variables GOROOT, GOPATH configuration...

{{o.name}}

{{m.name}}