diff --git a/backend/src/models/article.js b/backend/src/models/article.js
index a8288efdf5f411b3577585b1fdeb07aa1cd7b0e6..9beb7ba49e5da1024e09d5e021fd8ac6f16e7214 100644
--- a/backend/src/models/article.js
+++ b/backend/src/models/article.js
@@ -55,10 +55,9 @@ const ArticleSchema = new mongoose.Schema({
     ref: 'User',
   }],
   createdAt: {
-    type: String,
+    type: Date,
     default: Date.now,
   },
-
 });
 
 const Article = mongoose.model("Article", ArticleSchema);
diff --git a/backend/src/post.js b/backend/src/post.js
index edecec41770a6eb6e962ad5204174a5ccebfc58c..78cca5b34881a4d50356abc894a9a49cba7ba586 100644
--- a/backend/src/post.js
+++ b/backend/src/post.js
@@ -39,7 +39,7 @@ router.post("/upload", upload.array("img"), async function(req, res, next) {
   const inputkeyword = req.body.keyword
   const inputlat = req.body.latitude
   const inputlng = req.body.longitude
-  const currentTime = moment().format('YYYY-MM-DD HH:mm:ss')
+  // const currentTime = moment().format('YYYY-MM-DD HH:mm')
 
   await articleService.createArticle({
 		title: inputTitle,
@@ -51,7 +51,6 @@ router.post("/upload", upload.array("img"), async function(req, res, next) {
     longitude: inputlng,
 		comments: [],
 		likes: [],
-    createdAt: currentTime
 	});
   
 	console.log('saved.')