update docs

docs/mobile.html

@@ -41,10 +41,9 @@
         <p class="tip"></p>
     </div>
     <script src="./assets/js/vconsole.min.js"></script>
+    <script>var vConsole = new VConsole();</script>
     <script src="./uncompiled/artplayer/index.js"></script>
     <script>
-        var vConsole = new VConsole();
-
         var art = new Artplayer({
             container: '.artplayer-app',
             url: '/assets/sample/video.mp4',