修改bug

cooleshow-user/user-biz/src/main/java/com/yonge/cooleshow/biz/dal/service/impl/VideoLessonGroupServiceImpl.java

@@ -63,7 +63,7 @@ public class VideoLessonGroupServiceImpl extends ServiceImpl<VideoLessonGroupDao
     public VideoLessonGroup selectGroup(Long groupId) {
         VideoLessonGroup lessonGroup = videoLessonGroupDao.selectById(groupId);
         Subject subject=subjectDao.selectSubjectById(lessonGroup.getLessonSubject());
-        lessonGroup.setLessonName(subject.getName());
+        lessonGroup.setLessonSubjectName(subject.getName());
         return lessonGroup;
     }