diff --git a/module/custom/ui/relateobject.html.php b/module/custom/ui/relateobject.html.php
deleted file mode 100644
index 7b0d5892d8..0000000000
--- a/module/custom/ui/relateobject.html.php
+++ /dev/null
@@ -1,68 +0,0 @@
-<?php
-declare(strict_types=1);
-/**
-* The relateObject file of custom module of ZenTaoPMS.
-*
-* @copyright   Copyright 2009-2024 禅道软件（青岛）有限公司(ZenTao Software (Qingdao) Co., Ltd. www.zentao.net)
-* @license     ZPL(https://zpl.pub/page/zplv12.html) or AGPL(https://www.gnu.org/licenses/agpl-3.0.en.html)
-* @author      Qiyu Xie <xieqiyu@chandao.com>
-* @package     custom
-* @link        https://www.zentao.net
-*/
-
-namespace zin;
-
-jsVar('relateObjectList', $this->config->custom->relateObjectList);
-jsVar('relationPairs', $relationPairs);
-jsVar('objectID', $objectID);
-jsVar('objectType', $objectType);
-
-modalHeader(set::title($lang->custom->relateObject), set::titleClass('font-bold text-lg'));
-
-featureBar
-(
-    inputGroup
-    (
-        set::className('mb-4 mr-4'),
-        $lang->custom->relateObject,
-        picker
-        (
-            set::name('relatedObjectType'),
-            set::items($config->custom->relateObjectList),
-            set::value($relatedObjectType),
-            setClass('w-60'),
-            set::onChange(jsRaw("(value) => switchObject(value)"))
-        )
-    )
-);
-
-$module = in_array($relatedObjectType, array('epic', 'requirement')) ? 'story' : $relatedObjectType;
-searchForm
-(
-    set::module($module),
-    set::simple(true),
-    set::show(true)
-);
-
-dtable
-(
-    setID('relateObject'),
-    set::cols($cols),
-    set::data($objects),
-    set::userMap($users),
-    set::noNestedCheck(),
-    set::sortLink(inlink('relateObject', "objectID={$objectID}&objectType={$objectType}&relatedObjectType={$relatedObjectType}&browseType={$browseType}&orderBy={name}_{sortType}&recTotal={$pager->recTotal}&recPerPage={$pager->recPerPage}")),
-    set::checkable(true),
-    set::footToolbar(array('items' => array(array
-        (
-            'text'      => $lang->save,
-            'className' => 'ajax-btn batch-btn',
-            'data-url'  => inlink('relateObject', "objectID=$objectID&objectType=$objectType&relatedObjectType=$relatedObjectType"),
-            'btnProps'  => array('size' => 'sm', 'btnType' => 'secondary')
-        ))
-    )),
-    set::footPager(usePager()),
-    set::checkboxLabel($lang->selectAll),
-    set::onRenderCell(jsRaw('window.renderCell')),
-    set::plugins(array('form'))
-);