diff --git a/application/WarehouseShippingNote/WarehouseShippingNoteModel.php b/application/WarehouseShippingNote/WarehouseShippingNoteModel.php
index 20d989cf1..59aed4ea2 100644
--- a/application/WarehouseShippingNote/WarehouseShippingNoteModel.php
+++ b/application/WarehouseShippingNote/WarehouseShippingNoteModel.php
@@ -17,8 +17,8 @@ class WarehouseShippingNoteModel extends TTCrudBaseModel {
     public ?string $signatureName;
     public ?string $signatureDate;
     public ?int $eShopOrderId;
-    public int $create;
-    public int $createBy;
+    public ?int $create;
+    public ?int $createBy;
 }