一开始你 $dis$ 设的 $-1$ 当然最后要 $+1$ by MaxBlazeResFire @ 2023-07-11 16:44:30
@[MaxBlazeResFire](/user/350880) 屮，记成设的是0了，感谢 by hhr1101 @ 2023-07-11 16:50:25