add 对内评价接口

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

@@ -135,6 +135,9 @@ public class CourseReviewServiceImpl extends BaseServiceImpl<Integer, CourseSche
         }
         Date date = new Date();
         CourseSchedule courseSchedule = courseScheduleDao.get(courseScheduleId.longValue());
+        if (courseSchedule == null) {
+            throw new BizException("课程不存在");
+        }
         PracticeGroup practiceGroup = practiceGroupDao.get(Long.parseLong(courseSchedule.getMusicGroupId()));
 
         courseScheduleReview.setClassGroupId(courseSchedule.getClassGroupId());