diff --git a/lib/algolia.js b/lib/algolia.js
index d2d9cb37..fe2f9a83 100644
--- a/lib/algolia.js
+++ b/lib/algolia.js
@@ -42,7 +42,7 @@ const uploadDataToAlgolia = async(post) => {
   if (!existed || !existed?.lastEditedDate || !existed?.lastIndexDate) {
     needUpdateIndex = true
   } else {
-    const lastEditedDate = new Date(existed.lastEditedDate)
+    const lastEditedDate = new Date(post.lastEditedDate)
     const lastIndexDate = new Date(existed.lastIndexDate)
     if (lastEditedDate.getTime() > lastIndexDate.getTime()) {
       needUpdateIndex = true