diff --git a/src/install/config.cache.inc.php b/src/install/config.cache.inc.php
index 35b7888e..635f34ea 100755
--- a/src/install/config.cache.inc.php
+++ b/src/install/config.cache.inc.php
@@ -5,7 +5,6 @@ $cfg_cookie_encode = '~cookieEncode~';
 $cfg_indexurl = '~indexurl~';
 $cfg_backup_dir = 'backupdata';
 $cfg_indexname = '网站首页';
-$cfg_indexseo = '';
 $cfg_webname = '~webname~';
 $cfg_adminemail = '~adminmail~';
 $cfg_html_editor = 'ckeditor';