在终端里面，设置mac系统的socks proxy

networksetup -setsocksfirewallproxy "Wi-Fi" localhost 8080

To clear the domain and port

networksetup -setsocksfirewallproxy "" "" ""

To turn the SOCKS proxy off

networksetup -setsocksfirewallproxystate "Wi-Fi" off

from https://gist.github.com/jordelver/3073101

实际上，就是设置mac系统的默认浏览器safari的代理。

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相关帖子：https://briteming.blogspot.com/2018/05/mac-proxysetup.html