update

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

@@ -2972,7 +2972,7 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
         	}
         }
         
-        imGroupService.create(classGroup.getId().longValue(), musicGroup.getTeamTeacherId(), classGroup.getName(), musicGroup.getName(), musicGroup.getName(), musicGroup.getName(), null, "MUSIC");
+        imGroupService.create(classGroup.getId().longValue(), null, classGroup.getName(), musicGroup.getName(), musicGroup.getName(), musicGroup.getName(), null, "MUSIC");
         imGroupMemberService.join(classGroup.getId().longValue(), userRoleMap);
         return true;
     }