diff --git a/modules/cms-kit/src/Volo.CmsKit.Domain.Shared/Volo/CmsKit/Pages/PageConsts.cs b/modules/cms-kit/src/Volo.CmsKit.Domain.Shared/Volo/CmsKit/Pages/PageConsts.cs
index 54deac75e6..dcafb6a466 100644
--- a/modules/cms-kit/src/Volo.CmsKit.Domain.Shared/Volo/CmsKit/Pages/PageConsts.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.Domain.Shared/Volo/CmsKit/Pages/PageConsts.cs
@@ -6,6 +6,6 @@
 
         public static int MaxUrlLength { get; set; } = 256;
         
-        public static int MaxDescriptionLength { get; set; } = 515;
+        public static int MaxDescriptionLength { get; set; } = 512;
     }
 }
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