diff --git a/src/admin/article_string_mix.php b/src/admin/article_string_mix.php
index 66c7e72f..a3800529 100644
--- a/src/admin/article_string_mix.php
+++ b/src/admin/article_string_mix.php
@@ -16,7 +16,7 @@ if (empty($dopost)) $dopost = '';
 if (empty($allsource)) $allsource = '';
 else $allsource = stripslashes($allsource);
 
-$m_file = DEDEDATA."/downmix.data.php";
+$m_file = DEDEDATA."/downmix.data.inc";
 
 //保存
 if ($dopost == "save") {
diff --git a/src/data/downmix.data.php b/src/data/downmix.data.inc
similarity index 100%
rename from src/data/downmix.data.php
rename to src/data/downmix.data.inc
diff --git a/src/system/helpers/downmix.helper.php b/src/system/helpers/downmix.helper.php
index 84c37572..adb6ccc9 100755
--- a/src/system/helpers/downmix.helper.php
+++ b/src/system/helpers/downmix.helper.php
@@ -49,7 +49,7 @@ if (!function_exists('RndString')) {
         $rndem[4] = 'p';
 
         //读取字符串数据
-        $fp = fopen(DEDEDATA.'/downmix.data.php', 'r');
+        $fp = fopen(DEDEDATA.'/downmix.data.inc', 'r');
         $start = 0;
         $totalitem = 0;