报名回调去掉节假日

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

@@ -547,6 +547,9 @@ public class CourseScheduleServiceImpl extends BaseServiceImpl<Long, CourseSched
 		List<CourseSchedule> existCourseSchedules = courseScheduleDao
 				.findAllCourseByDateZone(firstCourseSchedule.getStartClassTime(), latestCourseSchedule.getEndClassTime());
 
+		if(existCourseSchedules ==null || existCourseSchedules.size()==0){
+			return null;
+		}
 		//只需要调整课程信息的课程编号列表
 		List<Long> updateCourseScheduleIds = courseSchedules
 				.stream()