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.
sudo xcode-select --reset
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
解决方法
xcode-select --install
