安装homebrew命令：
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
报错：
(7) Failed to connect to raw.githubusercontent.com port 443 after 18 ms: Couldn't connect to server
修改为国内源安装：
/bin/zsh -c "$(curl -fsSL https://gitee.com/cunkai/HomebrewCN/raw/master/Homebrew.sh)"
成功！
