完成selector

docs/assets/example/index.js

@@ -1,6 +1,6 @@
 var art = new Artplayer({
     container: '.artplayer-app',
-    url: 'https://artplayer.org/assets/sample/video.mp4',
+    url: '/assets/sample/video.mp4',
     title: 'One More Time One More Chance',
     poster: '/assets/sample/poster.jpg',
     volume: 0.5,
@@ -110,7 +110,7 @@ var art = new Artplayer({
         },
     ],
     icons: {
-        loading: '<img src="./assets/img/ploading.gif">',
-        state: '<img src="./assets/img/state.png">',
+        loading: '<img src="/assets/img/ploading.gif">',
+        state: '<img src="/assets/img/state.png">',
     },
 });