From 0321cd7fd7b3e228c8cf3e31f500aff72b074bfb Mon Sep 17 00:00:00 2001
From: tianya <yanghuxiao@vip.qq.com>
Date: Mon, 21 Apr 2025 22:24:17 +0800
Subject: [PATCH] Update filter.inc.php

---
 src/system/filter.inc.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/system/filter.inc.php b/src/system/filter.inc.php
index 9f8e6f0f..acdcf8c7 100755
--- a/src/system/filter.inc.php
+++ b/src/system/filter.inc.php
@@ -25,7 +25,7 @@ function _FilterAll($fk, &$svar)
             $svar[$_k] = _FilterAll($fk, $_v);
         }
     } else {
-        if (preg_match("#".$cfg_notallowstr."#i", $svar)) {
+        if ($cfg_notallowstr != '' && preg_match("#".$cfg_notallowstr."#i", $svar)) {
             ShowMsg("{$fk}字段中包含禁用词", '-1');
             exit();
         }