fix：1、课程合并去掉部分限制

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

@@ -5319,7 +5319,9 @@ public class CourseScheduleServiceImpl extends BaseServiceImpl<Long, CourseSched
 		}
 		courseScheduleDao.batchUpdate(mergeCourses);
 
-		courseScheduleStudentPaymentDao.batchInsert(newPayments);
+		courseScheduleStudentPaymentDao.batchUpdate(updatePayments);
+		if(!CollectionUtils.isEmpty(newPayments))
+			courseScheduleStudentPaymentDao.batchInsert(newPayments);
 
 		courseAdjust(courseSchedules);