Merge branch 'zx_saas_0614' of http://git.dayaedu.com/yonge/mec into dev

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

@@ -3068,6 +3068,8 @@ public class VipGroupServiceImpl extends BaseServiceImpl<Long, VipGroup> impleme
 
             classGroup.setStudentNum(classGroup.getStudentNum() - 1);
             classGroupDao.update(classGroup);
+            //学员退出班级群
+            imGroupMemberService.quit(classGroup.getId().toString(), studentId);
             return BaseController.succeed();
         }