Error: xcode-select: error: tool \'xcodebuild\' requires Xcode, but active developer
directory \'/Library/Developer/CommandLineTools\' is a command line tools instance
打开应用程序，Xcode显示包内容，content，Developer，输入：
sudo xcode-select --switch /Applications/Xcode-beta.app/Contents/Developer
回车，重新运行