Playback rate (#411)

* update

packages/artplayer/src/player/aspectRatioMix.js

@@ -1,4 +1,4 @@
-import { setStyle, errorHandle, def } from '../utils';
+import { setStyle, def } from '../utils';
 
 export default function aspectRatioMix(art) {
     const {
@@ -11,11 +11,7 @@ export default function aspectRatioMix(art) {
         get() {
             return $player.dataset.aspectRatio || 'default';
         },
-        set(ratio) {
-            if (!ratio) ratio = 'default';
-            const ratioList = ['default', '4:3', '16:9'];
-            errorHandle(ratioList.includes(ratio), `'aspectRatio' only accept ${ratioList.toString()} as parameters`);
-
+        set(ratio = 'default') {
             if (ratio === 'default') {
                 setStyle($video, 'width', null);
                 setStyle($video, 'height', null);