diff --git a/modules/cms-kit/src/Volo.CmsKit.Domain.Shared/Volo/CmsKit/Blogs/BlogPostConsts.cs b/modules/cms-kit/src/Volo.CmsKit.Domain.Shared/Volo/CmsKit/Blogs/BlogPostConsts.cs
index 4f3ad07f7b..a4388aa945 100644
--- a/modules/cms-kit/src/Volo.CmsKit.Domain.Shared/Volo/CmsKit/Blogs/BlogPostConsts.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.Domain.Shared/Volo/CmsKit/Blogs/BlogPostConsts.cs
@@ -1,11 +1,9 @@
 namespace Volo.CmsKit.Blogs
 {
-    public class BlogPostConsts
+    public static class BlogPostConsts
     {
         public static int MaxTitleLength { get; set; } = 256;
 
-        public static int MaxCoverImageUrlLength { get; set; } = 2048;
-
         public static int MaxUrlSlugLength { get; set; } = 256;
 
         public static int MinUrlSlugLength { get; set; } = 2;
diff --git a/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/EntityFrameworkCore/CmsKitDbContextModelCreatingExtensions.cs b/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/EntityFrameworkCore/CmsKitDbContextModelCreatingExtensions.cs
index 2b9b3cdde0..3322253205 100644
--- a/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/EntityFrameworkCore/CmsKitDbContextModelCreatingExtensions.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/EntityFrameworkCore/CmsKitDbContextModelCreatingExtensions.cs
@@ -229,8 +229,6 @@ namespace Volo.CmsKit.EntityFrameworkCore
 
                     b.Property(p => p.UrlSlug).IsRequired().HasMaxLength(BlogPostConsts.MaxUrlSlugLength);
 
-                    b.Property(p => p.CoverImageUrl).HasMaxLength(BlogPostConsts.MaxCoverImageUrlLength);
-
                     b.HasIndex(x => x.UrlSlug);
                 });
             }