update

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

@@ -3073,6 +3073,9 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i
         //查询有剩余排课时长的乐团
         if("MUSIC_GROUP_HAS_COURSE_TIMES".equals(queryInfo.getSearchType())){
             List<String> musicGroupIds = musicGroupDao.queryHasSubCourseTimes(queryInfo.getOrganId(),queryInfo.getTenantId());
+            if(musicGroupIds == null || musicGroupIds.size() == 0){
+                return new PageInfo<>();
+            }
             queryInfo.setMusicGroupIds(musicGroupIds);
         }
         PageInfo<MusicGroup> musicGroupPageInfo = queryPage(queryInfo);