修改多实例时的图标bug

packages/artplayer/src/player/attachUrlMix.js

@@ -1,4 +1,4 @@
-import { getExt, sleep } from '../utils';
+import { getExt, sleep, errorHandle } from '../utils';
 
 export default function attachUrlMix(art, player) {
     const {
@@ -7,31 +7,37 @@ export default function attachUrlMix(art, player) {
     } = art;
 
     Object.defineProperty(player, 'attachUrl', {
-        value: url => sleep().then(() => {
-            function attachUrl(videoUrl) {
-                const typeName = type || getExt(videoUrl);
-                const typeCallback = customType[typeName];
-                if (typeName && typeCallback) {
-                    art.loading.show();
-                    art.emit('beforeCustomType', typeName);
-                    typeCallback.call(art, $video, videoUrl, art);
-                    art.emit('afterCustomType', typeName);
-                } else {
-                    art.emit('beforeAttachUrl');
-                    $video.src = videoUrl;
-                    art.emit('afterAttachUrl');
+        value: url =>
+            sleep().then(() => {
+                function attachUrl(videoUrl) {
+                    const typeName = type || getExt(videoUrl);
+                    const typeCallback = customType[typeName];
+                    if (typeName && typeCallback) {
+                        art.loading.show();
+                        art.emit('beforeCustomType', typeName);
+                        typeCallback.call(art, $video, videoUrl, art);
+                        art.emit('afterCustomType', typeName);
+                    } else {
+                        art.emit('beforeAttachUrl');
+                        $video.src = videoUrl;
+                        art.emit('afterAttachUrl');
+                    }
+                    return Promise.resolve(videoUrl);
                 }
-                return Promise.resolve(videoUrl);
-            }
 
-            if (typeof url === 'function') {
-                return url.call(art).then(videoUrl => {
-                    art.loading.show();
-                    return attachUrl(videoUrl);
-                });
-            }
+                if (typeof url === 'function') {
+                    const result = url.call(art);
+                    errorHandle(
+                        typeof result.then === 'function',
+                        'If url is a function, it needs to return a promise.',
+                    );
+                    return result.then(videoUrl => {
+                        art.loading.show();
+                        return attachUrl(videoUrl);
+                    });
+                }
 
-            return attachUrl(url);
-        }),
+                return attachUrl(url);
+            }),
     });
 }