diff --git a/docs/Tutorials/AspNetCore-Mvc/Part-I.md b/docs/Tutorials/AspNetCore-Mvc/Part-I.md
index d6966fd82d..5de17ef142 100644
--- a/docs/Tutorials/AspNetCore-Mvc/Part-I.md
+++ b/docs/Tutorials/AspNetCore-Mvc/Part-I.md
@@ -157,16 +157,12 @@ namespace Acme.BookStore
     {
         [Required]
         [StringLength(128)]
-        [Display(Name = "Name")]
         public string Name { get; set; }
 
-        [Display(Name = "Type")]
         public BookType Type { get; set; } = BookType.Undefined;
 
-        [Display(Name = "PublishDate")]
         public DateTime PublishDate { get; set; }
 
-        [Display(Name = "Price")]
         public float Price { get; set; }
     }
 }
diff --git a/framework/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Pages/Components/DynamicForms.cshtml.cs b/framework/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Pages/Components/DynamicForms.cshtml.cs
index 2901ade738..27075bf09a 100644
--- a/framework/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Pages/Components/DynamicForms.cshtml.cs
+++ b/framework/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Pages/Components/DynamicForms.cshtml.cs
@@ -46,33 +46,26 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo.Pages.Components
         public class PersonModel
         {
             [Required]
-            [DisplayName("Name")]
             public string Name { get; set; }
-
-            [DisplayName("Surname")]
+            
             [TextArea(Rows = 4)]
             public string Surname { get; set; }
 
             [Required]
-            [DisplayName("Age")]
             [Range(1, 100)]
             public int Age { get; set; }
 
             [Required]
-            [DisplayName("City")]
             public Cities City { get; set; }
 
             public PhoneModel Phone { get; set; }
 
             [DataType(DataType.Date)]
-            [DisplayName("Day")]
             [DisplayOrder(10003)]
             public DateTime Day { get; set; }
-
-            [DisplayName("Is Active")]
+            
             public bool IsActive { get; set; }
-
-            [DisplayName("Country")]
+            
             [AbpRadioButton(Inline = true)]
             [SelectItems(nameof(Countries))]
             public string Country { get; set; }
@@ -82,7 +75,6 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo.Pages.Components
         {
             [Required]
             [DisplayOrder(10002)]
-            [DisplayName("Number")]
             public string Number { get; set; }
 
             [Required]
diff --git a/modules/account/src/Volo.Abp.Account.Web/Pages/Account/Login.cshtml.cs b/modules/account/src/Volo.Abp.Account.Web/Pages/Account/Login.cshtml.cs
index b580300dda..558215e5f9 100644
--- a/modules/account/src/Volo.Abp.Account.Web/Pages/Account/Login.cshtml.cs
+++ b/modules/account/src/Volo.Abp.Account.Web/Pages/Account/Login.cshtml.cs
@@ -147,16 +147,13 @@ namespace Volo.Abp.Account.Web.Pages.Account
         {
             [Required]
             [StringLength(255)]
-            [DisplayName(nameof(UserNameOrEmailAddress))]
             public string UserNameOrEmailAddress { get; set; }
 
             [Required]
             [StringLength(32)]
             [DataType(DataType.Password)]
-            [DisplayName(nameof(Password))]
             public string Password { get; set; }
-
-            [DisplayName(nameof(RememberMe))]
+            
             public bool RememberMe { get; set; }
         }
     }
diff --git a/modules/account/src/Volo.Abp.Account.Web/Pages/Account/Register.cshtml.cs b/modules/account/src/Volo.Abp.Account.Web/Pages/Account/Register.cshtml.cs
index ae19ee27c4..170a783197 100644
--- a/modules/account/src/Volo.Abp.Account.Web/Pages/Account/Register.cshtml.cs
+++ b/modules/account/src/Volo.Abp.Account.Web/Pages/Account/Register.cshtml.cs
@@ -62,19 +62,16 @@ namespace Volo.Abp.Account.Web.Pages.Account
         {
             [Required]
             [StringLength(32)]
-            [DisplayName(nameof(UserName))]
             public string UserName { get; set; }
 
             [Required]
             [EmailAddress]
             [StringLength(255)]
-            [DisplayName(nameof(EmailAddress))]
             public string EmailAddress { get; set; }
 
             [Required]
             [StringLength(32)]
             [DataType(DataType.Password)]
-            [DisplayName(nameof(Password))]
             public string Password { get; set; }
         }
     }
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 5cc2327e10..b63a817893 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
@@ -5,7 +5,9 @@ using Volo.Abp.Application.Dtos;
 using Volo.Abp.Application.Services;
 using System.Collections.Generic;
 using Microsoft.AspNetCore.Authorization;
+using Volo.Abp.Domain.Entities;
 using Volo.Abp.Users;
+using Volo.Blogging.Blogs;
 
 namespace Volo.Blogging.Posts
 {
diff --git a/modules/blogging/src/Volo.Blogging.EntityFrameworkCore/Volo/Blogging/Posts/EfCorePostRepository.cs b/modules/blogging/src/Volo.Blogging.EntityFrameworkCore/Volo/Blogging/Posts/EfCorePostRepository.cs
index 307a43156c..682b71aa7e 100644
--- a/modules/blogging/src/Volo.Blogging.EntityFrameworkCore/Volo/Blogging/Posts/EfCorePostRepository.cs
+++ b/modules/blogging/src/Volo.Blogging.EntityFrameworkCore/Volo/Blogging/Posts/EfCorePostRepository.cs
@@ -4,6 +4,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using Microsoft.EntityFrameworkCore;
+using Volo.Abp.Domain.Entities;
 using Volo.Abp.Domain.Repositories.EntityFrameworkCore;
 using Volo.Abp.EntityFrameworkCore;
 using Volo.Blogging.Blogs;
@@ -26,7 +27,14 @@ namespace Volo.Blogging.Posts
 
         public async Task<Post> GetPostByUrl(Guid blogId, string url)
         {
-            return await DbSet.FirstOrDefaultAsync(p => p.BlogId == blogId && p.Url == url);
+            var post = await DbSet.FirstOrDefaultAsync(p => p.BlogId == blogId && p.Url == url);
+
+            if (post == null)
+            {
+                throw new EntityNotFoundException(typeof(Post), nameof(post));
+            }
+
+            return post;
         }
     }
 }
diff --git a/modules/blogging/src/Volo.Blogging.Web/Pages/Blog/Posts/Detail.cshtml.cs b/modules/blogging/src/Volo.Blogging.Web/Pages/Blog/Posts/Detail.cshtml.cs
index 9aab468564..abdaad9b32 100644
--- a/modules/blogging/src/Volo.Blogging.Web/Pages/Blog/Posts/Detail.cshtml.cs
+++ b/modules/blogging/src/Volo.Blogging.Web/Pages/Blog/Posts/Detail.cshtml.cs
@@ -4,6 +4,7 @@ using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
+using Volo.Abp.Domain.Entities;
 using Volo.Blogging.Blogs;
 using Volo.Blogging.Posts;
 
@@ -32,10 +33,8 @@ namespace Volo.Blogging.Pages.Blog.Posts
 
         public async void OnGet()
         {
-            var blog = await _blogAppService.GetByShortNameAsync(BlogShortName);
-
-            Post = await _postAppService.GetByUrlAsync(new GetPostInput {BlogId = blog.Id , Url = PostUrl});
-            Blog = blog;
+            Blog = await _blogAppService.GetByShortNameAsync(BlogShortName);
+            Post = await _postAppService.GetByUrlAsync(new GetPostInput {BlogId = Blog.Id , Url = PostUrl});
         }
     }
 }
\ No newline at end of file
diff --git a/modules/blogging/src/Volo.Blogging.Web/Pages/Blog/Posts/Edit.cshtml.cs b/modules/blogging/src/Volo.Blogging.Web/Pages/Blog/Posts/Edit.cshtml.cs
index 3e166ebd9d..18993f6ec3 100644
--- a/modules/blogging/src/Volo.Blogging.Web/Pages/Blog/Posts/Edit.cshtml.cs
+++ b/modules/blogging/src/Volo.Blogging.Web/Pages/Blog/Posts/Edit.cshtml.cs
@@ -58,16 +58,13 @@ namespace Volo.Blogging.Pages.Blog.Posts
 
         [Required]
         [StringLength(PostConsts.MaxTitleLength)]
-        [Display(Name = "Title")]
         public string Title { get; set; }
 
         [Required]
         [StringLength(PostConsts.MaxUrlLength)]
-        [Display(Name = "Url")]
         public string Url { get; set; }
 
         [StringLength(PostConsts.MaxContentLength)]
-        [Display(Name = "Content")]
         public string Content { get; set; }
     }
 }
\ No newline at end of file
diff --git a/modules/blogging/src/Volo.Blogging.Web/Pages/Blog/Posts/New.cshtml.cs b/modules/blogging/src/Volo.Blogging.Web/Pages/Blog/Posts/New.cshtml.cs
index cdd3ff3c88..8a8bbe0c15 100644
--- a/modules/blogging/src/Volo.Blogging.Web/Pages/Blog/Posts/New.cshtml.cs
+++ b/modules/blogging/src/Volo.Blogging.Web/Pages/Blog/Posts/New.cshtml.cs
@@ -52,17 +52,14 @@ namespace Volo.Blogging.Pages.Blog.Posts
 
             [Required]
             [StringLength(PostConsts.MaxTitleLength)]
-            [Display(Name = "Title")]
             public string Title { get; set; }
 
             [Required]
             [StringLength(PostConsts.MaxUrlLength)]
-            [Display(Name = "Url")]
             public string Url { get; set; }
 
             [HiddenInput]
             [StringLength(PostConsts.MaxContentLength)]
-            [Display(Name = "Content")]
             public string Content { get; set; }
         }
     }
diff --git a/samples/BookStore/src/Acme.BookStore.Application/CreateUpdateBookDto.cs b/samples/BookStore/src/Acme.BookStore.Application/CreateUpdateBookDto.cs
index a74a786682..287faf3ece 100644
--- a/samples/BookStore/src/Acme.BookStore.Application/CreateUpdateBookDto.cs
+++ b/samples/BookStore/src/Acme.BookStore.Application/CreateUpdateBookDto.cs
@@ -10,16 +10,12 @@ namespace Acme.BookStore
     {
         [Required]
         [StringLength(128)]
-        [Display(Name = "Name")]
         public string Name { get; set; }
-
-        [Display(Name = "Type")]
+        
         public BookType Type { get; set; } = BookType.Undefined;
-
-        [Display(Name = "PublishDate")]
+        
         public DateTime PublishDate { get; set; }
-
-        [Display(Name = "Price")]
+        
         public float Price { get; set; }
     }
 }
\ No newline at end of file