fix：课程调整不更改网管课课程组有效期

mec-biz/src/main/java/com/ym/mec/biz/service/impl/CourseScheduleServiceImpl.java

@@ -5402,7 +5402,9 @@ public class CourseScheduleServiceImpl extends BaseServiceImpl<Long, CourseSched
 //			updatePayments.add(mainCoursePayment);
 		}
 
-		courseScheduleStudentPaymentDao.batchDeleteWithID(deletePaymentIds);
+		if(!CollectionUtils.isEmpty(deletePaymentIds)){
+			courseScheduleStudentPaymentDao.batchDeleteWithID(deletePaymentIds);
+		}
 //		courseScheduleStudentPaymentDao.batchUpdate(updatePayments);
 
 		List<CourseScheduleModifyLog> insertCourseScheduleModifyLogList = new ArrayList<>();