go 1.14.6 升级成最新版，mac环境，zsh终端
采用brew升级
brew upgrade go
升级日志可以看到现在的GOROOT变成了/usr/local/Cellar/go/1.16.3/libexec
==> Pouring go--1.16.3.mojave.bottle.tar.gz
🍺 /usr/local/Cellar/go/1.16.3: 9,955 files, 503.5MB
Removing: /usr/local/Cellar/go/1.14.6... (9,453 files, 424.7MB)
设置GOROOT
➜ ~ open .zshrc
➜ ~ source .zshrc
➜ ~ go version
go version go1.16.3 darwin/amd64
go环境文件设置.png
