diff --git a/modules/cms-kit/src/Volo.CmsKit.Public.Web/CmsKitPublicWebAutoMapperProfile.cs b/modules/cms-kit/src/Volo.CmsKit.Public.Web/CmsKitPublicWebAutoMapperProfile.cs
index 744d5afbad..5acb8d6fe9 100644
--- a/modules/cms-kit/src/Volo.CmsKit.Public.Web/CmsKitPublicWebAutoMapperProfile.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.Public.Web/CmsKitPublicWebAutoMapperProfile.cs
@@ -1,4 +1,5 @@
 using AutoMapper;
+using Volo.Abp.AutoMapper;
 using Volo.CmsKit.Menus;
 using Volo.CmsKit.Public.Comments;
 
@@ -8,6 +9,7 @@ public class CmsKitPublicWebAutoMapperProfile : Profile
 {
     public CmsKitPublicWebAutoMapperProfile()
     {
-        CreateMap<CreateCommentWithParametersInput, CreateCommentInput>();
+        CreateMap<CreateCommentWithParametersInput, CreateCommentInput>()
+            .Ignore(x=> x.ExtraProperties);
     }
 }