diff --git a/web/app/controllers/problem.php b/web/app/controllers/problem.php
index eb13488..9e38988 100644
--- a/web/app/controllers/problem.php
+++ b/web/app/controllers/problem.php
@@ -419,6 +419,15 @@ $('#contest-countdown').countdown(<?= $contest['end_time']->getTimestamp() - UOJ
 </aside>
 
 </div>
+
+
+<script>
+	$(document).ready(function() {
+		$('.markdown-body table').each(function() {
+			$(this).addClass('table', 'table-bordered', 'table-striped');
+		});
+	});
+</script>
 <?php endif ?>
 
 <?php echoUOJPageFooter() ?>