错误提示：
xcrun: error: active developer path ("/Applications/Xcode.app/Contents/Developer") does not exist Use ‘sudo xcode-select --switch path/to/Xcode.app’ to specify the Xcode that you wish to use for command line developer tools, or use ‘xcode-select --install’ to install the standalone command line developer tools. See ‘man xcode-select’ for more details.
解决方法：在终端中修改你的CommandLine Tools的位置
sudo xcode-select -r
sudo /usr/bin/xcode-select --switch /Library/Developer/CommandLineTools
xcode-select -p
