https://blog.faceutil.com/2017/04/18/simple-hotkey-1-1-%ed%82%a4%eb%b3%b4%eb%93%9c-%eb%a7%a4%ed%81%ac%eb%a1%9c%ec%97%b0%ed%83%80-%ed%94%84%eb%a1%9c%ea%b7%b8%eb%9e%a8-%d1%8b/