From 4414162a5deb8a7164b7f4491a705b9859062088 Mon Sep 17 00:00:00 2001
From: afc163 <afc163@gmail.com>
Date: Fri, 25 Dec 2015 17:19:24 +0800
Subject: [PATCH] fix nav error

---
 site/static/script.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/site/static/script.js b/site/static/script.js
index e2bd22c85e..cdfd37a2b8 100644
--- a/site/static/script.js
+++ b/site/static/script.js
@@ -76,7 +76,7 @@ InstantClickChangeFns.push(function() {
     },
     highlightCurrentNav: function(target) {
       target = target || this.navList.eq(this.navNum);
-      this.navBar.css({
+      this.navBar && this.navBar.css({
         left: target.position().left,
         width: target.outerWidth()
       });