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 1ebf445f05..cc37c15c89 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
@@ -147,27 +147,32 @@
                 }
             </div>
             <div class="col ps-1">
-                <h5 class="mt-2 mb-1">
-                    <a href="/Members/@Model.Post.Writer.UserName">
-                        @if (Model.Post.Writer.Name != null && Model.Post.Writer.Surname != null)
-                        {
-                            <p class="fw-bold pt-2 fs-5">@Model.Post.Writer.Name @Model.Post.Writer.Surname</p>
-                        }
-                        else
+                @if (Model.Post.Writer != null)
+                {
+                    <h5 class="mt-2 mb-1">
+
+                        <a href="/Members/@Model.Post.Writer.UserName">
+                            @if (Model.Post.Writer.Name != null && Model.Post.Writer.Surname != null)
+                            {
+                                <p class="fw-bold pt-2 fs-5">@Model.Post.Writer.Name @Model.Post.Writer.Surname</p>
+                            }
+                            else
+                            {
+                                <p class="fw-bold pt-2 fs-5">@Model.Post.Writer.UserName</p>
+                            }
+                        </a>
+                    </h5>
+                    <div class="position-relative">
+                        @if (Model.Post.Writer.JobTitle != null)
                         {
-                            <p class="fw-bold pt-2 fs-5">@Model.Post.Writer.UserName</p>
+                            <p class="fw-lighter">@Model.Post.Writer.JobTitle</p>
                         }
-                    </a>
-                </h5>
-                <div class="position-relative">
-                    @if (Model.Post.Writer.JobTitle != null)
-                    {
-                        <p class="fw-lighter">@Model.Post.Writer.JobTitle</p>
-                    }
-                </div>
-                @if (CurrentUser.UserName == Model.Post.Writer.UserName)
+                    </div>
+                }
+                
+                @if (CurrentUser.Id.HasValue && CurrentUser.Id.Value == Model.Post.Writer?.Id)
                 {
-                    <a class="fw-lighter" href="/Members/@Model.Post.Writer.UserName#edit-profile">@L["EditProfile"] <i class="fas fa-edit"></i></a>   
+                    <a class="fw-lighter" href="/Members/@Model.Post.Writer?.UserName#edit-profile">@L["EditProfile"] <i class="fas fa-edit"></i></a>
                 }
             </div>
             @if (Model.LatestPosts.Count > 1)
@@ -185,23 +190,24 @@
                                 <div class="article-owner">
                                     <div class="article-infos">
                                         <div class="user-card pt-3">
-                                            <div class="row">
-                                                <div class="col-auto pe-1">
-                                                    @if (post.Writer != null)
-                                                    {
+                                            @if (post.Writer != null)
+                                            {
+                                                <div class="row">
+                                                    <div class="col-auto pe-1">
                                                         <a href="/Members/@post.Writer.UserName" aria-label="Go to user profile">
                                                             <img gravatar-email="@post.Writer.Email" default-image="Identicon" class="last-post-image" alt="User Avatar"/>
                                                         </a>
-                                                    }
-                                                </div>
-                                                <div class="col">
-                                                    <h5 class="last-post-name">
-                                                        <a href="/Members/@post.Writer.UserName">
-                                                            @(post.Writer.UserName)
-                                                        </a>
-                                                    </h5>
+                                                    </div>
+                                                    
+                                                    <div class="col">
+                                                        <h5 class="last-post-name">
+                                                            <a href="/Members/@post.Writer!.UserName">
+                                                                @(post.Writer!.UserName)
+                                                            </a>
+                                                        </h5>
+                                                    </div>
                                                 </div>
-                                            </div>
+                                            }
                                         </div>
                                     </div>
                                     <div class="col mt-2">
diff --git a/modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/Detail.cshtml.cs b/modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/Detail.cshtml.cs
index 54d1a4e71d..114bdbb641 100644
--- a/modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/Detail.cshtml.cs
+++ b/modules/blogging/src/Volo.Blogging.Web/Pages/Blogs/Posts/Detail.cshtml.cs
@@ -86,7 +86,11 @@ namespace Volo.Blogging.Pages.Blog.Posts
         {
             Blog = await _blogAppService.GetByShortNameAsync(BlogShortName);
             Post = await _postAppService.GetForReadingAsync(new GetPostInput { BlogId = Blog.Id, Url = PostUrl });
-            PostsList = await _postAppService.GetListByUserIdAsync(Post.Writer.Id);
+            
+            PostsList = Post.Writer != null
+                ? await _postAppService.GetListByUserIdAsync(Post.Writer.Id)
+                : new List<PostWithDetailsDto>();
+
             LatestPosts = await _postAppService.GetLatestBlogPostsAsync(Blog.Id, 5);
             CommentsWithReplies = await _commentAppService.GetHierarchicalListOfPostAsync(Post.Id);
             CountComments();