fix bug

apps/exams/Tpl/default/Index/examsroom_w3g.html

@@ -330,10 +330,10 @@
 
     $(function () {
         iscollect(isCollect);
-        $('.next_question').on('click', function (event) {
+        $('.next_question').on('click', function () {
 
-            console.log(event);
-            stopBubbling(event);
+            console.log(window.event);
+            stopBubbling();
             alert(1);
         });