zzh@ZZHPC:~/go$ go env GOPATH GOROOT GOENV GOPROXY
/home/zzh/go
/usr/local/go
/home/zzh/.config/go/env
https://goproxy.io,direct
zzh@ZZHPC:~/go$ go env -json GOPATH GOROOT GOENV GOPROXY
{
"GOENV": "/home/zzh/.config/go/env",
"GOPATH": "/home/zzh/go",
"GOPROXY": "https://goproxy.io,direct",
"GOROOT": "/usr/local/go"
}