diff --git a/modules/blogging/src/Volo.Blogging.Application/Volo/Blogging/Comments/CommentAppService.cs b/modules/blogging/src/Volo.Blogging.Application/Volo/Blogging/Comments/CommentAppService.cs
index 0fe0666820..531666bfa9 100644
--- a/modules/blogging/src/Volo.Blogging.Application/Volo/Blogging/Comments/CommentAppService.cs
+++ b/modules/blogging/src/Volo.Blogging.Application/Volo/Blogging/Comments/CommentAppService.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Authorization;
 using Volo.Abp.Application.Services;
@@ -39,6 +40,13 @@ namespace Volo.Blogging.Comments
                 }
             }
 
+            hierarchicalComments = hierarchicalComments.OrderByDescending(c => c.Comment.CreationTime).ToList();
+
+            foreach (var hierarchicalComment in hierarchicalComments)
+            {
+                hierarchicalComment.Replies = hierarchicalComment.Replies.OrderBy(c => c.CreationTime).ToList();
+            }
+
             return hierarchicalComments;
         }