规范化play方法

packages/artplayer/src/player/toggleMix.js

@@ -2,13 +2,11 @@ import { def } from '../utils';
 
 export default function toggleMix(art, player) {
     def(player, 'toggle', {
-        set(value) {
-            if (value) {
-                if (player.playing) {
-                    player.pause = true;
-                } else {
-                    player.play = true;
-                }
+        value() {
+            if (player.playing) {
+                player.pause();
+            } else {
+                player.play();
             }
         },
     });