diff --git a/README.md b/README.md
index 0269d52..3447f25 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 ===
 
 这是一个纯静态的网址导航网站，内容均由[viggo](http://viggoz.com)收集并整理。项目基于bootstrap前端框架开发。
-
+![](https://WebStackPage.github.io/assets/images/preview.gif)
 
 这是一个开源的公益项目，你可以拿来制作自己的网址导航，也可以做与导航无关的网站。如果你有任何疑问，可以通过个人网站[viggoz.com](http://viggoz.com)中的联系方式找到我，欢迎与我交流分享。
 
diff --git a/assets/images/preview.gif b/assets/images/preview.gif
new file mode 100644
index 0000000..ef001d1
Binary files /dev/null and b/assets/images/preview.gif differ
diff --git a/cn/index.html b/cn/index.html
index 6734e38..d910084 100644
--- a/cn/index.html
+++ b/cn/index.html
@@ -2,13 +2,11 @@
 <html lang="zh">
 
 <head>
-<script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
-<script>
-  (adsbygoogle = window.adsbygoogle || []).push({
-    google_ad_client: "ca-pub-8550836177608334",
-    enable_page_level_ads: true
-  });
-</script>
+    <script>
+    < script async src = "//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js" >
+    </script>
+    (adsbygoogle = window.adsbygoogle || []).push({ google_ad_client: "ca-pub-8550836177608334", enable_page_level_ads: true });
+    </script>
     <meta charset="utf-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
@@ -258,18 +256,17 @@
                             <span class="title">UED团队</span>
                         </a>
                     </li>
-                <div class="submit-tag">                    
-                    <a href="about.html">
-                        <i class="linecons-heart"></i>
-                        <span class="tooltip-blue">关于本站</span>
-                        <span class="label label-Primary pull-right hidden-collapsed">♥︎</span>
-                    </a>
-                </div>
+                    <div class="submit-tag">
+                        <a href="about.html">
+                            <i class="linecons-heart"></i>
+                            <span class="tooltip-blue">关于本站</span>
+                            <span class="label label-Primary pull-right hidden-collapsed">♥︎</span>
+                        </a>
+                    </div>
                 </ul>
             </div>
         </div>
         <div class="main-content">
-
             <nav class="navbar user-info-navbar" role="navigation">
                 <!-- User Info, Notifications and Menu Bar -->
                 <!-- Left links for user info navbar -->
