diff --git a/js/index.js b/js/index.js
index 8822c63..b150f25 100644
--- a/js/index.js
+++ b/js/index.js
@@ -106,6 +106,7 @@ var fun={
             menuList+='<div class="clearfix"></div>';
             $('#box').append(imgList);
             $('#controls').append(menuList);
+          $('#controls').find('li').eq(0).addClass('active')
         }