bug 修复

@@ -174,12 +174,15 @@ func DepartmentEdit(param protocol.RequestDepartmentEdit) error {
 
 
 	}
 	}
 	//更新部门关系数据
 	//更新部门关系数据
+	if departUpdate.ParentId > 0 {
 		err = departmentRelationUpdate(departUpdate, newparent)
 		err = departmentRelationUpdate(departUpdate, newparent)
 		if err != nil {
 		if err != nil {
 			e := fmt.Errorf("departmentRelationUpdate err:%s", err)
 			e := fmt.Errorf("departmentRelationUpdate err:%s", err)
 			log.Error(e.Error())
 			log.Error(e.Error())
 			return err
 			return err
 		}
 		}
+	}
+
 	return nil
 	return nil
 }
 }