diff --git a/lib/notion/mapPageUrl.js b/lib/notion/mapPageUrl.js
index 8a7bc73c..80fe70d8 100644
--- a/lib/notion/mapPageUrl.js
+++ b/lib/notion/mapPageUrl.js
@@ -12,13 +12,13 @@ export const mapPageUrl = allPages => {
     const allAnchorTags = document.getElementsByTagName('a') // 或者使用 document.querySelectorAll('a') 获取 NodeList
     for (const anchorTag of allAnchorTags) {
       // 检查url
-      if (anchorTag.href) {
+      if (anchorTag?.href) {
         // 如果url是一个Notion_id，尝试匹配成博客的文章内链
         const slug = getLastPartOfUrl(anchorTag.href)
         if (checkStrIsNotionId(slug)) {
-          const slugPage = allPages.find(page => uuidToId(page.id) === slug)
+          const slugPage = allPages?.find(page => uuidToId(page.id) === slug)
           if (slugPage) {
-            anchorTag.href = slugPage.href
+            anchorTag.href = slugPage?.href
           }
         }
       }