切换回原来的仓库

# 重置brew.git:
 cd "$(brew --repo)"
 git remote set-url origin https://github.com/Homebrew/brew.git
 
# 重置homebrew-core.git:
 cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
 git remote set-url origin https://github.com/Homebrew/homebrew-core.git