diff --git a/src/components/page/post/PostCards.astro b/src/components/page/post/PostCards.astro
index 60612b5..12cf050 100644
--- a/src/components/page/post/PostCards.astro
+++ b/src/components/page/post/PostCards.astro
@@ -13,7 +13,7 @@ interface Props {
 
 const { pageNum, posts } = Astro.props;
 const results = slicePosts(posts, pageNum, options.settings.pagination.posts);
-if (!results) {
+if (results.totalPage === 0) {
   return Astro.redirect('/404');
 }
 
diff --git a/src/helpers/formatter.ts b/src/helpers/formatter.ts
index 3cce141..e07ff17 100644
--- a/src/helpers/formatter.ts
+++ b/src/helpers/formatter.ts
@@ -6,7 +6,7 @@ export const slicePosts = (
   posts: Post[],
   pageNum: number,
   pageSize: number,
-): { currentPosts: Post[]; totalPage: number } | undefined => {
+): { currentPosts: Post[]; totalPage: number } => {
   const totalPage = Math.ceil(posts.length / pageSize);
   if (totalPage >= pageNum) {
     return {
@@ -17,6 +17,7 @@ export const slicePosts = (
       totalPage,
     };
   }
+  return { currentPosts: [], totalPage: 0 };
 };
 
 export const formatShowDate = (date: Date) => {
diff --git a/src/layouts/posts/CategoryLayout.astro b/src/layouts/posts/CategoryLayout.astro
index e874ac4..661ded8 100644
--- a/src/layouts/posts/CategoryLayout.astro
+++ b/src/layouts/posts/CategoryLayout.astro
@@ -13,12 +13,10 @@ interface Props {
 }
 
 const { category, posts, pageNum } = Astro.props;
-const results = slicePosts(posts, pageNum, options.settings.pagination.category);
-if (!results) {
+const { currentPosts, totalPage } = slicePosts(posts, pageNum, options.settings.pagination.category);
+if (totalPage === 0) {
   return Astro.redirect('/404');
 }
-
-const { currentPosts, totalPage } = results;
 ---
 
 <BaseLayout title={category.name}>
diff --git a/src/layouts/posts/SearchLayout.astro b/src/layouts/posts/SearchLayout.astro
index 1ba0729..1899d6a 100644
--- a/src/layouts/posts/SearchLayout.astro
+++ b/src/layouts/posts/SearchLayout.astro
@@ -20,12 +20,7 @@ if (pageNum < 1) {
   return Astro.redirect('/');
 }
 
-const results = slicePosts(posts, pageNum, options.settings.pagination.search);
-if (!results) {
-  return Astro.redirect('/404');
-}
-
-const { currentPosts, totalPage } = results;
+const { currentPosts, totalPage } = slicePosts(posts, pageNum, options.settings.pagination.search);
 ---
 
 <BaseLayout {title}>
diff --git a/src/layouts/posts/TagLayout.astro b/src/layouts/posts/TagLayout.astro
index 2b8ff36..f48c94b 100644
--- a/src/layouts/posts/TagLayout.astro
+++ b/src/layouts/posts/TagLayout.astro
@@ -13,12 +13,10 @@ interface Props {
 }
 
 const { tag, posts, pageNum } = Astro.props;
-const results = slicePosts(posts, pageNum, options.settings.pagination.tags);
-if (!results) {
+const { currentPosts, totalPage } = slicePosts(posts, pageNum, options.settings.pagination.tags);
+if (totalPage === 0) {
   return Astro.redirect('/404');
 }
-
-const { currentPosts, totalPage } = results;
 ---
 
 <BaseLayout title={`标签 “${tag.name}”`}>