update

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

@@ -2621,6 +2621,8 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
                     classGroup.setMusicGroupName(musicGroup.getName());
                     classGroup.setName(musicGroup.getName() + " " + (StringUtils.isEmpty(classGroup.getGroupName())?classGroup.getName():classGroup.getGroupName()));
                 }
+            }else {
+                classGroup.setName(StringUtils.isEmpty(classGroup.getGroupName())?classGroup.getName():classGroup.getGroupName());
             }
         }
         return classGroup;