diff --git a/modules/ad_banner/_ad_banner_widget2_video.html.erb b/modules/ad_banner/_ad_banner_widget2_video.html.erb
index 49fa737..58ebe1f 100644
--- a/modules/ad_banner/_ad_banner_widget2_video.html.erb
+++ b/modules/ad_banner/_ad_banner_widget2_video.html.erb
@@ -38,32 +38,33 @@
     var ad_banners_count = 0;
   }
   function ad_audio_button(ele,is_stop){
+    var $self = $(ele);
     if (is_stop){
-      $(ele).find('.jarallax-video-audio').remove();
+      $self.find('.jarallax-video-audio').remove();
     }else{
       var audio_div;
-      if ($(ele).hasClass('have-audio')){
+      if ($self.hasClass('have-audio')){
         audio_div = $('<div class="jarallax-video-audio"><i class="fas fa-volume-up"></i></div>');
       }else{
         audio_div = $('<div class="jarallax-video-audio"><i class="fas fa-volume-mute"></i></div>');
       }
       audio_div.click(function(event){
         event.stopPropagation();
-        var $video = $(ele).find('video');
-        if ($(ele).hasClass('have-audio')){
-          $(ele).removeClass('have-audio');
+        var $video = $self.find('video');
+        if ($self.hasClass('have-audio')){
+          $self.removeClass('have-audio');
           $(this).find('i.fas').attr('class','fas fa-volume-mute');
         }else{
-          $(ele).addClass('have-audio');
+          $self.addClass('have-audio');
           $(this).find('i.fas').attr('class','fas fa-volume-up');
         }
         if ($video.length>0){
-          $(ele).jPlayer("mute", !$(ele).data().jPlayer.options.muted);
+          $self.jPlayer("mute", !$self.data().jPlayer.options.muted);
         }else{//youtube
-          $(ele).find('iframe').data("yt_player").unmute();
+          $self.find('iframe').data("yt_player").unmute();
         }
       })
-      $(ele).append(audio_div);
+      $self.append(audio_div);
     }
   }
   if(document.getElementById("youtube-iframe-api") == null){