1、课程冲突错误信息优化

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

@@ -864,6 +864,11 @@ public class CourseScheduleServiceImpl extends BaseServiceImpl<Long, CourseSched
 			throw new BizException("指定课程不存在");
 		}
 
+		int courseNum = courseScheduleDao.countVipGroupCourses(vipGroup.getId().intValue());
+		if(courseNum==0){
+			throw new BizException("未排课的课程不能进行调整");
+		}
+
 		ClassGroup classGroup=classGroupDao.findByGroupAndType(vipGroupCourseAdjustInfo.getVipGroupId().toString(),GroupType.VIP.getCode());
 		if(Objects.isNull(classGroup)){
 			throw new BizException("对应班级不存在");