diff --git a/modules/cms-kit/src/Volo.CmsKit.Admin.Application/Volo/CmsKit/Admin/Pages/PageAdminAppService.cs b/modules/cms-kit/src/Volo.CmsKit.Admin.Application/Volo/CmsKit/Admin/Pages/PageAdminAppService.cs
index 3db45dac95..ce0a57800b 100644
--- a/modules/cms-kit/src/Volo.CmsKit.Admin.Application/Volo/CmsKit/Admin/Pages/PageAdminAppService.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.Admin.Application/Volo/CmsKit/Admin/Pages/PageAdminAppService.cs
@@ -14,7 +14,7 @@ namespace Volo.CmsKit.Admin.Pages
     [Authorize(CmsKitAdminPermissions.Pages.Default)]
     public class PageAdminAppService : CmsKitAdminAppServiceBase, IPageAdminAppService
     {
-        protected readonly IPageRepository PageRepository;
+        protected IPageRepository PageRepository { get; }
         
         public PageAdminAppService(IPageRepository pageRepository)
         {
@@ -66,8 +66,8 @@ namespace Volo.CmsKit.Admin.Pages
                 await CheckPageUrlAsync(input.Url);
             }
 
-            page.Title = input.Title;
-            page.Url = input.Url;
+            page.SetTitle(input.Title);
+            page.SetUrl(input.Url);
             page.Description = input.Description;
 
             await PageRepository.UpdateAsync(page);
diff --git a/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Pages/Page.cs b/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Pages/Page.cs
index 240fc629d6..dc22b8c002 100644
--- a/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Pages/Page.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Pages/Page.cs
@@ -8,26 +8,36 @@ namespace Volo.CmsKit.Pages
 {
     public class Page : FullAuditedAggregateRoot<Guid>, IMultiTenant
     {
-        public Guid? TenantId { get; set; }
+        [CanBeNull] public virtual Guid? TenantId { get; set; }
 
-        public virtual string Title { get; set; }
+        [NotNull] public virtual string Title { get; protected set; }
+
+        [NotNull] public virtual string Url { get; protected set; }
+
+        [CanBeNull] public virtual string Description { get; set; }
 
-        public virtual string Url { get; set; }
-        
-        public virtual string Description { get; set; }
-        
         protected Page()
         {
-            
         }
 
-        public Page(Guid id, [NotNull] string title, [NotNull] string url, [CanBeNull] string description = null, Guid? tenantId = null) : base(id)
+        public Page(Guid id, [NotNull] string title, [NotNull] string url, [CanBeNull] string description = null,
+            Guid? tenantId = null) : base(id)
         {
-            Title = Check.NotNullOrWhiteSpace(title, nameof(title), PageConsts.MaxTitleLength);
-            Url = Check.NotNullOrWhiteSpace(url, nameof(url), PageConsts.MaxUrlLength);
+            Title = Check.NotNullOrEmpty(title, nameof(title), PageConsts.MaxTitleLength);
+            Url = Check.NotNullOrEmpty(url, nameof(url), PageConsts.MaxUrlLength);
             Description = Check.Length(description, nameof(description), PageConsts.MaxDescriptionLength);
-            
+
             TenantId = tenantId;
         }
+
+        public virtual void SetTitle(string title)
+        {
+            Title = Check.NotNullOrEmpty(title, nameof(title), PageConsts.MaxTitleLength);
+        }
+
+        public virtual void SetUrl(string url)
+        {
+            Url = Check.NotNullOrEmpty(url, nameof(url), PageConsts.MaxUrlLength);
+        }
     }
 }
\ No newline at end of file
diff --git a/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/Pages/EfCorePageRepository.cs b/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/Pages/EfCorePageRepository.cs
index 2fc6d92c52..c51a51c632 100644
--- a/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/Pages/EfCorePageRepository.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/Pages/EfCorePageRepository.cs
@@ -17,13 +17,14 @@ namespace Volo.CmsKit.Pages
         {
         }
 
-        public virtual async Task<int> GetCountAsync(string filter = null, CancellationToken cancellationToken = default)
+        public virtual async Task<int> GetCountAsync(string filter = null,
+            CancellationToken cancellationToken = default)
         {
             return await (await GetDbSetAsync()).WhereIf(
-                    !filter.IsNullOrWhiteSpace(), 
-                    x =>
-                            x.Title.Contains(filter)
-                        ).CountAsync(GetCancellationToken(cancellationToken));
+                !filter.IsNullOrWhiteSpace(),
+                x =>
+                    x.Title.Contains(filter)
+            ).CountAsync(GetCancellationToken(cancellationToken));
         }
 
         public virtual async Task<List<Page>> GetListAsync(
@@ -34,12 +35,12 @@ namespace Volo.CmsKit.Pages
             CancellationToken cancellationToken = default)
         {
             return await (await GetDbSetAsync()).WhereIf(
-                            !filter.IsNullOrWhiteSpace(), 
-                            x =>
-                                x.Title.Contains(filter))
-                        .OrderBy(sorting ?? nameof(Page.Title))
-                        .PageBy(skipCount, maxResultCount)
-                        .ToListAsync(GetCancellationToken(cancellationToken));
+                    !filter.IsNullOrWhiteSpace(),
+                    x =>
+                        x.Title.Contains(filter))
+                .OrderBy(sorting ?? nameof(Page.Title))
+                .PageBy(skipCount, maxResultCount)
+                .ToListAsync(GetCancellationToken(cancellationToken));
         }
 
         public virtual Task<Page> GetByUrlAsync(string url, CancellationToken cancellationToken = default)
@@ -57,4 +58,4 @@ namespace Volo.CmsKit.Pages
             return await (await GetDbSetAsync()).AnyAsync(x => x.Url == url, GetCancellationToken(cancellationToken));
         }
     }
-}
+}
\ No newline at end of file
diff --git a/modules/cms-kit/src/Volo.CmsKit.Public.Application/Volo/CmsKit/Public/Pages/PagePublicAppService.cs b/modules/cms-kit/src/Volo.CmsKit.Public.Application/Volo/CmsKit/Public/Pages/PagePublicAppService.cs
index c8da8f33aa..fe8e8c6638 100644
--- a/modules/cms-kit/src/Volo.CmsKit.Public.Application/Volo/CmsKit/Public/Pages/PagePublicAppService.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.Public.Application/Volo/CmsKit/Public/Pages/PagePublicAppService.cs
@@ -5,7 +5,7 @@ namespace Volo.CmsKit.Public.Pages
 {
     public class PagePublicAppService : CmsKitPublicAppServiceBase, IPagePublicAppService
     {
-        protected readonly IPageRepository PageRepository;
+        protected IPageRepository PageRepository { get; }
 
         public PagePublicAppService(IPageRepository pageRepository)
         {
@@ -14,14 +14,15 @@ namespace Volo.CmsKit.Public.Pages
 
         public virtual async Task<PageDto> FindByUrlAsync(string url)
         {
+            PageDto pageDto = null;
             var page = await PageRepository.FindByUrlAsync(url);
 
-            if (page == null)
+            if (page !=null)
             {
-                return null;
+                pageDto = ObjectMapper.Map<Page, PageDto>(page);
             }
             
-            return ObjectMapper.Map<Page, PageDto>(page);
+            return pageDto;
         }
     }
 }
\ No newline at end of file