diff --git a/BlogPlatform/Endpoints/Comment/UpdateCommentEndpoint.cs b/BlogPlatform/Endpoints/Comment/UpdateCommentEndpoint.cs
index 9a809d9..43c3e6f 100644
--- a/BlogPlatform/Endpoints/Comment/UpdateCommentEndpoint.cs
+++ b/BlogPlatform/Endpoints/Comment/UpdateCommentEndpoint.cs
@@ -30,7 +30,6 @@ public class UpdateCommentEndpoint(BlogPlatformDbContext database) : Endpoint<Up
         comment.PostId = req.PostId;
         comment.UserId = req.UserId;
         
-        database.Comments.Add(comment);
         await database.SaveChangesAsync(ct);
         
         GetCommentDto responseDto = new()
diff --git a/BlogPlatform/Endpoints/Post/UpdatePostEndpoint.cs b/BlogPlatform/Endpoints/Post/UpdatePostEndpoint.cs
index 5c2d46b..196610c 100644
--- a/BlogPlatform/Endpoints/Post/UpdatePostEndpoint.cs
+++ b/BlogPlatform/Endpoints/Post/UpdatePostEndpoint.cs
@@ -15,7 +15,10 @@ public class UpdatePostEndpoint(BlogPlatformDbContext database) : Endpoint<Updat
     
     public override async Task HandleAsync(UpdatePostDto req, CancellationToken ct)
     {
-        var post = await database.Posts.SingleOrDefaultAsync(x => x.Id == req.Id, ct);
+        var post = await database.Posts
+            .Include(p => p.Comments)
+            .SingleOrDefaultAsync(x => x.Id == req.Id, ct);
+        
         var checkUser = await database.Users.SingleOrDefaultAsync(x => x.Id == req.UserId, ct);
         
         if (checkUser == null || post == null)
@@ -24,11 +27,11 @@ public class UpdatePostEndpoint(BlogPlatformDbContext database) : Endpoint<Updat
             return;
         }
 
-        post.Title = post.Title;
-        post.Content = post.Content;
-        post.Likes = post.Likes;
+        post.Title = req.Title;
+        post.Content = req.Content;
+        post.Likes = req.Likes;
         post.CreatedAt = DateOnly.FromDateTime(DateTime.Now);
-        post.UserId = post.UserId;
+        post.UserId = req.UserId;
         await database.SaveChangesAsync(ct);
         
         GetPostDto responseDto = new()