fix: bg music play issue

src/index/views/home/components/menu/index.tsx

@@ -74,7 +74,7 @@ export default defineComponent({
 
       const detail = await window.kankan.store.get('metadata');
 
-      if (detail.musicFile) {
+      if (detail.music) {
         // 存在背景音乐
         const dom = document.createElement('audio');
         dom.src = `${import.meta.env.VITE_APP_BACKEND_URL}/scene_view_data/${