diff --git a/modules/blogging/test/Volo.Blogging.Application.Tests/Volo/Blogging/CommentAppService_Tests.cs b/modules/blogging/test/Volo.Blogging.Application.Tests/Volo/Blogging/CommentAppService_Tests.cs
index 7e8d771e58..7c1eee6bc2 100644
--- a/modules/blogging/test/Volo.Blogging.Application.Tests/Volo/Blogging/CommentAppService_Tests.cs
+++ b/modules/blogging/test/Volo.Blogging.Application.Tests/Volo/Blogging/CommentAppService_Tests.cs
@@ -1,7 +1,10 @@
 using System;
+using System.Linq;
 using System.Threading.Tasks;
 using Shouldly;
+using Volo.Blogging.Blogs;
 using Volo.Blogging.Comments;
+using Volo.Blogging.Comments.Dtos;
 using Volo.Blogging.Posts;
 using Xunit;
 
@@ -12,25 +15,29 @@ namespace Volo.Blogging
         private readonly ICommentAppService _commentAppService;
         private readonly ICommentRepository _commentRepository;
         private readonly IPostRepository _postRepository;
+        private readonly IBlogRepository _blogRepository;
 
         public CommentAppService_Tests()
         {
-            _commentAppService = GetRequiredService<ICommentAppService>(); ;
-            _commentRepository = GetRequiredService<ICommentRepository>(); ;
-            _postRepository = GetRequiredService<IPostRepository>(); ;
+            _commentAppService = GetRequiredService<ICommentAppService>();
+            _commentRepository = GetRequiredService<ICommentRepository>();
+            _postRepository = GetRequiredService<IPostRepository>();
+            _blogRepository = GetRequiredService<IBlogRepository>();
         }
 
         [Fact]
         public async Task Should_Get_List_Of_Comments()
         {
-           var post = await _postRepository.InsertAsync(new Post(Guid.NewGuid(), Guid.NewGuid(), Guid.NewGuid(), "asd", "asd", "asd"));
-            var comment1 = await _commentRepository.InsertAsync(new Comment(Guid.NewGuid(), post.Id, Guid.Empty, "qweasd"));
-            var comment2 = await _commentRepository.InsertAsync(new Comment(Guid.NewGuid(), post.Id, comment1.Id, "qweasd"));
+            var blog = (await _blogRepository.GetListAsync()).FirstOrDefault();
+            var post = (await _postRepository.GetListAsync()).FirstOrDefault();
+            var comment1 = await _commentRepository.InsertAsync(new Comment(Guid.NewGuid(), post.Id, null, "qweasd"));
+            var comment2 = await _commentRepository.InsertAsync(new Comment(Guid.NewGuid(), post.Id, null, "qweasd"));
 
-            var comments = await _commentRepository.GetListOfPostAsync(post.Id);
+            var comments =
+                await _commentAppService.GetHierarchicalListOfPostAsync(
+                    new GetCommentListOfPostAsync() { PostId = post.Id });
 
             comments.Count.ShouldBe(2);
-
         }
     }
 }
diff --git a/modules/blogging/test/Volo.Blogging.Application.Tests/Volo/Blogging/PostAppService_Tests.cs b/modules/blogging/test/Volo.Blogging.Application.Tests/Volo/Blogging/PostAppService_Tests.cs
index 799b8c12c5..7e611ef1b1 100644
--- a/modules/blogging/test/Volo.Blogging.Application.Tests/Volo/Blogging/PostAppService_Tests.cs
+++ b/modules/blogging/test/Volo.Blogging.Application.Tests/Volo/Blogging/PostAppService_Tests.cs
@@ -11,6 +11,7 @@ namespace Volo.Blogging
     {
         private readonly IPostAppService _postAppService;
         private readonly IBlogRepository _blogRepository;
+        private readonly IPostRepository _postRepository;
         private readonly BloggingTestData _testData;
 
         public PostAppService_Tests()
@@ -18,6 +19,7 @@ namespace Volo.Blogging
             _testData = GetRequiredService<BloggingTestData>();
             _postAppService = GetRequiredService<IPostAppService>();
             _blogRepository = GetRequiredService<IBlogRepository>();
+            _postRepository = GetRequiredService<IPostRepository>();
         }
 
         [Fact]
@@ -26,12 +28,14 @@ namespace Volo.Blogging
             var blogId = (await _blogRepository.GetListAsync()).First().Id;
             var title = "test title";
             var content = "test content";
+            var coverImage = "new.jpg";
 
             var newPostDto = await _postAppService.CreateAsync(new CreatePostDto()
             {
                 BlogId = blogId,
                 Title = title,
                 Content = content,
+                CoverImage = coverImage,
                 Url = title.Replace(" ", "-")
             });
 
@@ -44,43 +48,35 @@ namespace Volo.Blogging
                 post.Id.ShouldBe(newPostDto.Id);
                 post.Title.ShouldBe(newPostDto.Title);
                 post.Content.ShouldBe(newPostDto.Content);
+                post.CoverImage.ShouldBe(newPostDto.CoverImage);
                 post.BlogId.ShouldBe(blogId);
                 post.Url.ShouldBe(newPostDto.Url);
             });
         }
 
         [Fact]
-        public async Task Should_Create_And_Update_A_Post()
+        public async Task Should_Update_A_Post()
         {
             var blogId = (await _blogRepository.GetListAsync()).First().Id;
-            var title = "title";
             var newTitle = "new title";
-            var content = "content";
+            var newContent = "content";
 
-            var newPost = await _postAppService.CreateAsync(new CreatePostDto()
-            {
-                BlogId = blogId,
-                Title = title,
-                Content = content,
-                Url = title.Replace(" ", "-")
-            });
+            var oldPost = (await _postRepository.GetListAsync()).FirstOrDefault(); ;
 
-            await _postAppService.UpdateAsync(newPost.Id, new UpdatePostDto()
+            await _postAppService.UpdateAsync(oldPost.Id, new UpdatePostDto()
             {
                 BlogId = blogId,
                 Title = newTitle,
-                Content = content,
+                CoverImage = oldPost.CoverImage,
+                Content = newContent,
                 Url = newTitle.Replace(" ", "-")
             });
             
             UsingDbContext(context =>
             {
-                var post = context.Posts.FirstOrDefault(q => q.Id == newPost.Id);
-                post.ShouldNotBeNull();
+                var post = context.Posts.FirstOrDefault(q => q.Id == oldPost.Id);
                 post.Title.ShouldBe(newTitle);
-                post.Content.ShouldBe(content);
-                post.BlogId.ShouldBe(blogId);
-                post.Url.ShouldBe(newTitle.Replace(" ", "-"));
+                post.Content.ShouldBe(newContent);
             });
         }
     }
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 e62f97b1fb..2d1c3df7b9 100644
--- a/modules/blogging/test/Volo.Blogging.TestBase/Volo/Blogging/BloggingTestDataBuilder.cs
+++ b/modules/blogging/test/Volo.Blogging.TestBase/Volo/Blogging/BloggingTestDataBuilder.cs
@@ -1,7 +1,9 @@
-using System.Threading.Tasks;
+using System;
+using System.Threading.Tasks;
 using Volo.Abp.DependencyInjection;
 using Volo.Abp.Threading;
 using Volo.Blogging.Blogs;
+using Volo.Blogging.Posts;
 
 namespace Volo.Blogging
 {
@@ -9,13 +11,16 @@ namespace Volo.Blogging
     {
         private readonly BloggingTestData _testData;
         private readonly IBlogRepository _blogRepository;
+        private readonly IPostRepository _postRepository;
 
         public BloggingTestDataBuilder(
             BloggingTestData testData,
-            IBlogRepository blogRepository)
+            IBlogRepository blogRepository,
+            IPostRepository postRepository)
         {
             _testData = testData;
             _blogRepository = blogRepository;
+            _postRepository = postRepository;
         }
 
         public void Build()
@@ -26,6 +31,8 @@ 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"));
         }
     }
 }