From ee4e4838cd05d56b392d4a909022eee4b7e1d087 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A5=81=E5=AE=81?= <magike.net@gmail.com>
Date: Sat, 15 Mar 2014 22:46:46 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E9=93=BE=E6=8E=A5=E8=B7=B3?=
 =?UTF-8?q?=E8=BD=AC=E5=88=A4=E6=96=AD=E4=B8=8D=E5=AE=8C=E6=95=B4?=
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---
 admin/common-js.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/admin/common-js.php b/admin/common-js.php
index 5ee4ba1a61..812bee9cc0 100644
--- a/admin/common-js.php
+++ b/admin/common-js.php
@@ -92,7 +92,7 @@ function checkScroll () {
                 $('a').each(function () {
                     var t = $(this), href = t.attr('href');
 
-                    if ((href.length > 1 && href[0] == '#')
+                    if ((href && href[0] == '#')
                         || /^<?php echo preg_quote($options->adminUrl, '/'); ?>.*$/.exec(href) 
                             || /^<?php echo substr(preg_quote(Typecho_Common::url('s', $options->index), '/'), 0, -1); ?>action\/[_a-zA-Z0-9\/]+.*$/.exec(href)) {
                         return;