diff --git a/lib/notion/getNotionData.js b/lib/notion/getNotionData.js
index 5a247f8c..91aa029e 100644
--- a/lib/notion/getNotionData.js
+++ b/lib/notion/getNotionData.js
@@ -182,7 +182,7 @@ export function getNavPages({ allPages }) {
   const allNavPages = allPages.filter(post => {
     return post && post?.slug && (!post?.slug?.startsWith('http')) && post?.type === 'Post' && post?.status === 'Published'
   })
-  const result = allNavPages.map(item => ({ id: item.id, title: item.title || null, category: item.category || null, tags: item.tags || null, summary: item.summary || null, slug: item.slug }))
+  const result = allNavPages.map(item => ({ id: item.id, title: item.title || '', category: item.category || null, tags: item.tags || null, summary: item.summary || null, slug: item.slug }))
 
   const groupedArray = result.reduce((groups, item) => {
     const categoryName = item.category ? item.category.join('/') : '' // 将category转换为字符串