替換為國內源

# 檢視 brew.git 當前源
$ cd "$(brew --repo)" && git remote -v
origin https://github.com/Homebrew/brew.git (fetch)
origin https://github.com/Homebrew/brew.git (push)

# 檢視 homebrew-core.git 當前源
$ cd "$(brew --repo homebrew/core)" && git remote -v
origin https://github.com/Homebrew/homebrew-core.git (fetch)
origin https://github.com/Homebrew/homebrew-core.git (push)

# 替換為中科大源
$ git -C "$(brew --repo)" remote set-url origin https://mirrors.ustc.edu.cn/brew.git
$ git -C "$(brew --repo homebrew/core)" remote set-url origin https://mirrors.ustc.edu.cn/homebrew-core.git
$ git -C "$(brew --repo homebrew/cask)" remote set-url origin https://mirrors.ustc.edu.cn/homebrew-cask.git

# zsh 替換 brew bintray 映象
$ echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.ustc.edu.cn/homebrew-bottles' >> ~/.zshrc
$ source ~/.zshrc

# bash 替換 brew bintray 映象
$ echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.ustc.edu.cn/homebrew-bottles' >> ~/.bash_profile
$ source ~/.bash_profile

# 重新整理源
$ brew update

替換為預設源

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

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

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

# zsh 註釋掉 HOMEBREW_BOTTLE_DOMAIN 配置
$ vi ~/.zshrc
# export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.ustc.edu.cn/homebrew-bottles

# bash 註釋掉 HOMEBREW_BOTTLE_DOMAIN 配置
$ vi ~/.bash_profile
# export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.ustc.edu.cn/homebrew-bottles

# 重新整理源
$ brew update

原文連結：https://blog.csdn.net/pluckypan/article/details/120810854