1. 打开 mac 系统下的终端或 iterm2
    2. 复制以下命令，粘贴到终端 ``` sudo rm rf /usr/local/Homebrew mkdir -p /usr/local/Homebrew git clone https://mirrors.aliyun.com/homebrew/brew.git /usr/local/Homebrew sudo ln -s /usr/local/Homebrew/bin/brew /usr/local/bin/brew sudo mkdir -p /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core sudo git clone https://mirrors.aliyun.com/homebrew/homebrew-core.git /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core sudo chown -R $(whoami) /usr/local/Homebrew

    brew update echo ‘export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.aliyun.com/homebrew/homebrew-bottles‘ >> ~/.bash_profile source ~/.bash_profile ```