diff --git a/src/components/layout/BlogNavigation.astro b/src/components/layout/BlogNavigation.astro
index 09fc20f..e67985d 100644
--- a/src/components/layout/BlogNavigation.astro
+++ b/src/components/layout/BlogNavigation.astro
@@ -64,8 +64,8 @@ const sortedPosts = posts
 
 const currentIndex = sortedPosts.findIndex((post) => post.slug === currentSlug);
 
-const nextPost = currentIndex > 0 ? sortedPosts[currentIndex - 1] : null;
-const prevPost = currentIndex < sortedPosts.length - 1 ? sortedPosts[currentIndex + 1] : null;
+const nextPost = currentIndex < sortedPosts.length - 1 ? sortedPosts[currentIndex + 1] : null;
+const prevPost = currentIndex > 0 ? sortedPosts[currentIndex - 1] : null;
 
 const prevText = lang === 'zh' ? '上一篇' : 'Previous Post';
 const nextText = lang === 'zh' ? '下一篇' : 'Next Post';