diff --git a/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Feedbacks/FeedbackAttachment.cs b/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Feedbacks/FeedbackAttachment.cs
index 1f0cb7fe1..2a244bcb1 100644
--- a/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Feedbacks/FeedbackAttachment.cs
+++ b/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Feedbacks/FeedbackAttachment.cs
@@ -16,7 +16,7 @@ public class FeedbackAttachment : CreationAuditedEntity<Guid>, IMultiTenant
 
     }
 
-    public FeedbackAttachment(
+    internal FeedbackAttachment(
         Guid id,
         Guid feedbackId,
         string name,
diff --git a/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Feedbacks/FeedbackComment.cs b/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Feedbacks/FeedbackComment.cs
index 05e965c76..a53e42b72 100644
--- a/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Feedbacks/FeedbackComment.cs
+++ b/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Feedbacks/FeedbackComment.cs
@@ -18,7 +18,7 @@ public class FeedbackComment : AuditedEntity<Guid>, IMultiTenant
 
     }
 
-    public FeedbackComment(
+    internal FeedbackComment(
         Guid id,
         Guid feedbackId,
         string capacity,