--- UOJ-System/web/app/controllers/problem_statement_manage.php	2023-03-19 21:20:30.679254485 +0800
+++ UOJ-Luogu-RemoteJudge/web/app/controllers/problem_statement_manage.php	2023-03-20 15:02:04.084987421 +0800
@@ -1,5 +1,7 @@
 <?php
 	requirePHPLib('form');
+	requirePHPLib('data');
+	requirePHPLib('luogu');
 	
 	if (!validateUInt($_GET['id']) || !($problem = queryProblemBrief($_GET['id']))) {
 		become404Page();
@@ -45,6 +47,21 @@
 	};
 	
 	$problem_editor->runAtServer();
+
+	if ($problem['type'] == 'luogu') {
+		$refetch_problem_form = new UOJForm('refetch_luogu');
+		$refetch_problem_form->submit_button_config['align'] = 'left';
+		$refetch_problem_form->submit_button_config['class_str'] = 'btn btn-danger';
+		$refetch_problem_form->submit_button_config['text'] = '重新拉取题目';
+		$refetch_problem_form->handle = function() use ($problem) {
+			try {
+				refetchLuoguProblemInfo($problem['id']);
+			} catch (Exception $e) {
+				becomeMsgPage('<h2>拉取失败</h2><pre>' . $e->getMessage() . '</pre>');
+			}
+		};
+		$refetch_problem_form->runAtServer();
+	}
 ?>
 <?php echoUOJPageHeader(HTML::stripTags($problem['title']) . ' - 编辑 - 题目管理') ?>
 <h1 class="page-header" align="center">#<?=$problem['id']?> : <?=$problem['title']?> 管理</h1>
@@ -55,4 +72,7 @@
 	<li class="nav-item"><a class="nav-link" href="/problem/<?=$problem['id']?>" role="tab">返回</a></li>
 </ul>
 <?php $problem_editor->printHTML() ?>
+<?php if (isset($refetch_problem_form)): ?>
+	<?php $refetch_problem_form->printHTML() ?>
+<?php endif ?>
 <?php echoUOJPageFooter() ?>