Merge branch 'online1'

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

@@ -3003,6 +3003,8 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
             params.put("classGroupIds", lessThenThreeClassGroupIds);
             if(CollectionUtils.isEmpty(lessThenThreeClassGroupIds)){
                 count=0;
+            }else{
+                count = classGroupDao.countClassGroup(params);
             }
         }