https://mirror.tuna.tsinghua.edu.cn/help/homebrew/

https://lug.ustc.edu.cn/wiki/mirrors/help/brew.git
以上两个国内镜像源Tsinghua较快

替换默认源地址

git -C "$(brew --repo)" remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/brew.git

git -C "$(brew --repo homebrew/core)" remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/homebrew-core.git

git -C "$(brew --repo homebrew/cask)" remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/homebrew-cask.git

brew update

添加至 ~/.zshrc，后 source ~/.zshrc

# brew mirror
export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.tuna.tsinghua.edu.cn/homebrew-bottles

复原默认地址

git -C "$(brew --repo)" remote set-url origin https://github.com/Homebrew/brew.git

git -C "$(brew --repo homebrew/core)" remote set-url origin https://github.com/Homebrew/homebrew-core.git

git -C "$(brew --repo homebrew/cask)" remote set-url origin https://github.com/Homebrew/homebrew-cask.git

brew update