设置关机时间，点击确定键之后，在系统时间达到定时时间时候，系统会进入60秒钟的倒计时，此时如果你还不想关机，你可以点击挽救关机就可以了。-Set shutdown time, click the OK button after the regular time in the system time to time, the system will enter the 60-second countdown, this time off if you do not want to, you can