diff --git a/modules/blogging/src/Volo.Blogging.Application/Volo/Blogging/Posts/PostAppService.cs b/modules/blogging/src/Volo.Blogging.Application/Volo/Blogging/Posts/PostAppService.cs
index 939dc29640..1983bd3cbf 100644
--- a/modules/blogging/src/Volo.Blogging.Application/Volo/Blogging/Posts/PostAppService.cs
+++ b/modules/blogging/src/Volo.Blogging.Application/Volo/Blogging/Posts/PostAppService.cs
@@ -203,21 +203,22 @@ namespace Volo.Blogging.Posts
 
             foreach (var postDto in postDtos)
             {
-                if (postDto.CreatorId.HasValue)
+                if (!postDto.CreatorId.HasValue)
                 {
-                    if (!userDictionary.ContainsKey(postDto.CreatorId.Value))
-                    {
-                        var creatorUser = await UserLookupService.FindByIdAsync(postDto.CreatorId.Value);
-                        if (creatorUser != null)
-                        {
-                            userDictionary[creatorUser.Id] = ObjectMapper.Map<BlogUser, BlogUserDto>(creatorUser);
-                        }
-                    }
+                    continue;
+                }
 
-                    if (userDictionary.ContainsKey(postDto.CreatorId.Value))
-                    {
-                        postDto.Writer = userDictionary[(Guid)postDto.CreatorId];
-                    }
+                if (userDictionary.TryGetValue(postDto.CreatorId.Value, out var creatorUserDto))
+                {
+                    postDto.Writer = creatorUserDto;
+                    continue;
+                }
+                
+                var creatorUser = await UserLookupService.FindByIdAsync(postDto.CreatorId.Value);
+                if (creatorUser != null)
+                {
+                    postDto.Writer = ObjectMapper.Map<BlogUser, BlogUserDto>(creatorUser);
+                    userDictionary[creatorUser.Id] = postDto.Writer;
                 }
             }
 
diff --git a/modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/Detail.cshtml b/modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/Detail.cshtml
index 43ad9abc2f..9c44b0feb2 100644
--- a/modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/Detail.cshtml
+++ b/modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/Detail.cshtml
@@ -129,6 +129,11 @@
                 </div>
             </div>
         </section>
+        <section class="post-content">
+            <p>
+                @Html.Raw(BloggingPageHelper.RenderMarkdownToHtml(Model.Post.Content))
+            </p>
+        </section>
     </div>
     <div class="col-12 col-md-4 col-lg-3">
         <div class="list-group">
@@ -210,19 +215,6 @@
     </div>
 </div>
 
-<div class="row">
-    <div class="col-12 col-md-8 col-lg-8 mx-auto">
-        <section class="post-content">
-            <p>
-                @Html.Raw(BloggingPageHelper.RenderMarkdownToHtml(Model.Post.Content))
-            </p>
-        </section>
-    </div>
-    <div class="col-12 col-md-4 col-lg-3">
-        
-    </div>
-</div>
-
 <div class="row">
 <div class="col-12 col-md-8 col-lg-8 mx-auto">
 @if (Model.Post.Tags.Count > 0)