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 56e8d4a77e..6787718a21 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
@@ -156,7 +156,6 @@ namespace Volo.Blogging.Posts
             var post = new Post(
                 id: GuidGenerator.Create(),
                 blogId: input.BlogId,
-                creatorId: CurrentUser.Id,
                 title: input.Title,
                 coverImage: input.CoverImage,
                 url: input.Url
diff --git a/modules/blogging/src/Volo.Blogging.Domain/Volo/Blogging/Posts/Post.cs b/modules/blogging/src/Volo.Blogging.Domain/Volo/Blogging/Posts/Post.cs
index 92aea09d34..ee44e7e029 100644
--- a/modules/blogging/src/Volo.Blogging.Domain/Volo/Blogging/Posts/Post.cs
+++ b/modules/blogging/src/Volo.Blogging.Domain/Volo/Blogging/Posts/Post.cs
@@ -23,7 +23,6 @@ namespace Volo.Blogging.Posts
         [CanBeNull]
         public virtual string Content { get; set; }
 
-        [CanBeNull]
         public virtual int ReadCount { get; protected set; }
 
         public virtual Collection<PostTag> Tags { get; protected set; }
@@ -33,10 +32,9 @@ namespace Volo.Blogging.Posts
             
         }
 
-        public Post(Guid id, Guid blogId, Guid? creatorId, [NotNull] string title, [NotNull] string coverImage, [NotNull] string url)
+        public Post(Guid id, Guid blogId, [NotNull] string title, [NotNull] string coverImage, [NotNull] string url)
         {
             Id = id;
-            CreatorId = creatorId;
             BlogId = blogId;
             Title = Check.NotNullOrWhiteSpace(title, nameof(title));
             Url = Check.NotNullOrWhiteSpace(url, nameof(url));
diff --git a/modules/blogging/test/Volo.Blogging.TestBase/Volo/Blogging/BloggingTestDataBuilder.cs b/modules/blogging/test/Volo.Blogging.TestBase/Volo/Blogging/BloggingTestDataBuilder.cs
index b830887fdd..9e216ca4c4 100644
--- a/modules/blogging/test/Volo.Blogging.TestBase/Volo/Blogging/BloggingTestDataBuilder.cs
+++ b/modules/blogging/test/Volo.Blogging.TestBase/Volo/Blogging/BloggingTestDataBuilder.cs
@@ -39,8 +39,8 @@ namespace Volo.Blogging
         public async Task BuildAsync()
         {
             await _blogRepository.InsertAsync(new Blog(_testData.Blog1Id, "The First Blog", "blog-1"));
-            await _postRepository.InsertAsync(new Post(_testData.Blog1Post1Id, _testData.Blog1Id, Guid.Empty, "title", "coverImage", "url"));
-            await _postRepository.InsertAsync(new Post(_testData.Blog1Post2Id, _testData.Blog1Id, Guid.Empty, "title", "coverImage", "url"));
+            await _postRepository.InsertAsync(new Post(_testData.Blog1Post1Id, _testData.Blog1Id, "title", "coverImage", "url"));
+            await _postRepository.InsertAsync(new Post(_testData.Blog1Post2Id, _testData.Blog1Id, "title", "coverImage", "url"));
             await _commentRepository.InsertAsync(new Comment(_testData.Blog1Post1Comment1Id,_testData.Blog1Post1Id,null,"text"));
             await _tagRepository.InsertAsync(new Tag(_testData.Blog1Id, _testData.Tag1Name));
         }