fix bug

src/main/java/com/qmth/exam/reserve/service/impl/ApplyTaskServiceImpl.java

@@ -177,14 +177,18 @@ public class ApplyTaskServiceImpl extends ServiceImpl<ApplyTaskDao, ApplyTaskEnt
 
     @Override
     public void deleteRule(Long timeId) {
-        if (timeId == null)
+        if (timeId == null) {
             return;
+        }
         LambdaQueryWrapper<StudentApplyEntity> lm = new LambdaQueryWrapper<>();
         lm.eq(StudentApplyEntity::getTimePeriodId, timeId);
+        lm.eq(StudentApplyEntity::getCancel, Boolean.FALSE);
+
         List<StudentApplyEntity> applyList = studentApplyService.list(lm);
-        if (applyList != null && applyList.size() > 0) {
+        if (applyList != null && !applyList.isEmpty()) {
             throw new StatusException("考生已经预约，不能删除预约时段");
         }
+
         timePeriodService.removeById(timeId);
     }