mac更新or安装homebrew失败

错误信息：

fatal: unable to access 'https://github.com/Homebrew/brew/': LibreSSL SSL_read: error:02FFF03C:system library:func(4095):Operation timed out, errno 60

可以用命令：

/bin/zsh -c "$(curl -fsSL https://gitee.com/cunkai/HomebrewCN/raw/master/Homebrew.sh)"