一.完全删除VSC

http://apple.stackexchange.com/questions/225055/app-files-on-mac-os-x-visual-studio-code 

 To completely remove Visual Studio Code you should delete the following files and folders:

/Applications/Visual Studio Code.app
/private/tmp/VSCode Crashes
~/.vscode
~/Library/Application Support/Code
~/Library/Caches/Code
~/Library/Preferences/com.microsoft.VSCode.*
~/Library/Saved Application State/com.microsoft.VSCode.savedState