乐团档案

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

@@ -2753,7 +2753,7 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
             throw new BizException("请登录");
         }
         List<ClassGroup> classGroups = classGroupDao.queryStudentClassGroups(musicGroupId, sysUser.getId());
-        if(classGroups.size() == 0){
+        if(classGroups.size() > 0){
             classGroups.forEach(e->{
                 e.setTeacherMapperList(classGroupTeacherMapperDao.findClassGroupTeachers(e.getId().toString()));
             });