diff --git a/frontend/web/assets/js/model.js b/frontend/web/assets/js/model.js
index 0e4387f..f10d706 100644
--- a/frontend/web/assets/js/model.js
+++ b/frontend/web/assets/js/model.js
@@ -10,19 +10,16 @@ $(function(){
 
     $(".model-bg").each(function (i) {
         var _that=$(this);
-        $.each(arr,function (key,value) {
             _that.find(".nextPage").click(function () {
+                console.log(i);
                 _that.addClass("unchoose");
                 $(".model-bg").eq(i+1).removeClass("unchoose");
-                console.log(key);
-                console.log(value);
-                // $('#side-menu .av').eq(index).addClass('boo');
+                $('#side-menu .av').eq(arr[i]).addClass('boo');
             });
             _that.find(".Previous").click(function () {
                 _that.addClass("unchoose");
                 $(".model-bg").eq(i-1).removeClass("unchoose");
             });
-        });
     });
 
     $(".perfection").click(function () {