diff --git a/src/routes/zhihu-daily.ts b/src/routes/zhihu-daily.ts
index 08aa667..779ef6a 100644
--- a/src/routes/zhihu-daily.ts
+++ b/src/routes/zhihu-daily.ts
@@ -35,7 +35,7 @@ const getList = async (noCache: boolean) => {
     data: list.map((v: RouterType["zhihu-daily"]) => ({
       id: v.id,
       title: v.title,
-      cover: v.images[0],
+      cover: v.images?.[0] ?? null,
       author: v.hint,
       hot: null,
       timestamp: null,