diff --git a/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Comments/EntityNotCommentableException.cs b/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Comments/EntityNotCommentableException.cs
index 12c3c872fc..ee1a8621bb 100644
--- a/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Comments/EntityNotCommentableException.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Comments/EntityNotCommentableException.cs
@@ -8,6 +8,7 @@ using Volo.Abp;
 
 namespace Volo.CmsKit.Comments
 {
+    [Serializable]
     public class EntityNotCommentableException : BusinessException
     {
         public EntityNotCommentableException(SerializationInfo serializationInfo, StreamingContext context) : base(serializationInfo, context)