获取brew安装脚本

curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install >> brew_install

修改数据源为中科大源

修改预BREW REPO

#BREW_REPO = "https://github.com/Homebrew/brew".freeze
BREW_REPO = "https://mirrors.ustc.edu.cn/brew.git".freeze

重新安装brew

/usr/bin/ruby brew_install