diff --git a/frontend/web/assets/js/model.js b/frontend/web/assets/js/model.js
index f10d706..501a4b2 100644
--- a/frontend/web/assets/js/model.js
+++ b/frontend/web/assets/js/model.js
@@ -5,9 +5,11 @@ $(function(){
         $(".model-bg").eq(0).removeClass("unchoose");
         $('.jump').removeClass('unchoose');
 
-        $('#side-menu .av').eq(0).addClass('boo');
+        $('#side-menu .av').eq(0).click().addClass('boo');
     });
 
+
+
     $(".model-bg").each(function (i) {
         var _that=$(this);
             _that.find(".nextPage").click(function () {