diff --git a/frontend/web/assets/js/popUps.js b/frontend/web/assets/js/popUps.js
index d1d4c52..e83f128 100644
--- a/frontend/web/assets/js/popUps.js
+++ b/frontend/web/assets/js/popUps.js
@@ -6,8 +6,9 @@ $(function(){
 
 
     $(".model-bg").each(function (i,item) {
-        $(this).find(".nextPage").click(function () {
-            $(this).addClass("unchoose").eq(i+1).removeClass("unchoose");
+        var _that=$(this);
+        _that.find(".nextPage").click(function () {
+            _that.addClass("unchoose").eq(i+1).removeClass("unchoose");
             console.log(i);
             console.log(item);
         })