diff --git a/web/src/stores/use-asset-store.ts b/web/src/stores/use-asset-store.ts
index a90c1a73b..f4b2572bd 100644
--- a/web/src/stores/use-asset-store.ts
+++ b/web/src/stores/use-asset-store.ts
@@ -59,7 +59,9 @@ const assetStorage: PersistStorage<AssetStore> = {
         const parsed = JSON.parse(value) as StorageValue<AssetStore>;
         parsed.state.assets = await Promise.all(
             parsed.state.assets.map(async (asset) => {
-                if ((asset.kind === "video" || asset.kind === "audio") && asset.data.storageKey) return { ...asset, data: { ...asset.data, url: await resolveMediaUrl(asset.data.storageKey, asset.data.url) } };
+                // 视频和音频的数据结构不同，分别缩窄以保持 Asset 判别联合关系。
+                if (asset.kind === "video" && asset.data.storageKey) return { ...asset, data: { ...asset.data, url: await resolveMediaUrl(asset.data.storageKey, asset.data.url) } };
+                if (asset.kind === "audio" && asset.data.storageKey) return { ...asset, data: { ...asset.data, url: await resolveMediaUrl(asset.data.storageKey, asset.data.url) } };
                 if (asset.kind === "model" && asset.data.storageKey) return { ...asset, data: { ...asset.data, url: await resolveMediaUrl(asset.data.storageKey, asset.data.url) } };
                 if (asset.kind !== "image") return asset;
                 if (asset.data.storageKey)