老师端--小酷Ai-曲谱未上传封面时，需显示默认封面

dev-dist/sw.js

@@ -82,7 +82,7 @@ define(['./workbox-ab7aa862'], (function (workbox) { 'use strict';
     "revision": "3ca0b8505b4bec776b69afdba2768812"
   }, {
     "url": "index.html",
-    "revision": "0.6daji1r5o5g"
+    "revision": "0.dgsa3bi7t4g"
   }], {});
   workbox.cleanupOutdatedCaches();
   workbox.registerRoute(new workbox.NavigationRoute(workbox.createHandlerBoundToURL("index.html"), {

src/views/xiaoku-music/index.tsx

@@ -28,6 +28,7 @@ import icon_pause from './images/icon_pause.svg';
 import icon_goXiaoku from './images/icon_goXiaoku.svg';
 import icon_favitor from '/src/common/images/icon-collect-default.png';
 import icon_favitorActive from '/src/common/images/icon-collect-active.png';
+import icon_default from './images/icon_default.png';
 import { useRoute, useRouter } from 'vue-router';
 import PlayItem from './component/play-item';
 import PlayLoading from './component/play-loading';
@@ -275,7 +276,7 @@ export default defineComponent({
                               lazy
                               objectFit="cover"
                               previewDisabled={true}
-                              src={item.titleImg}
+                              src={item.titleImg || icon_default}
                               onLoad={e => {
                                 (e.target as any).dataset.loaded = 'true';
                               }}