卸载Xcode
sudo rm -rf /Applications/Xcode.app sudo rm -rf /Library/Preferences/com.apple.dt.Xcode.plist rm -rf ~/Library/Preferences/com.apple.dt.Xcode.plist rm -rf ~/Library/Caches/com.apple.dt.Xcode rm -rf ~/Library/Application\ Support/Xcode rm -rf ~/Library/Developer/Xcode rm -rf ~/Library/Developer/CoreSimulator rm -rf ~/Library/Developer/XCPGDevices
安装
AppStore直接下载安装