fix tracking code

Author: wayou

audio_visualizer_single_page_version.html

@@ -294,7 +294,7 @@
                 (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
                 m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
             })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
-            ga('create', 'UA-46794744-5', 'duapp.com');
+            ga('create', 'UA-46794744-3', 'duapp.com');
             ga('send', 'pageview');
         </script>
     </body>