51工具盒子fatal: unable to access 'https://github.com/Homebrew/brew/': Failed to connect to github.com port 443 after 75004 ms: Couldn't connect to server
执行如下命令可以解决：
git config --global --unset http.proxy
git config --global --unset https.proxy
fatal: unable to access ‘https://github.com/Homebrew/brew/’: Failed to connect to github.com port 443 after 75004 ms: Couldn’t connect to server
未经允许不得转载：工具盒子 » fatal: unable to access ‘https://github.com/Homebrew/brew/’: Failed to connect to github.com port 443 after 75004 ms: Couldn’t connect to server
