diff --git a/member/models/forms/ProductOrderSubmitForm.php b/member/models/forms/ProductOrderSubmitForm.php
index d5f82dd..a690c2a 100644
--- a/member/models/forms/ProductOrderSubmitForm.php
+++ b/member/models/forms/ProductOrderSubmitForm.php
@@ -157,6 +157,7 @@ class ProductOrderSubmitForm extends BaseModel
             return [
                 'is_paid'   => 0,
                 'order_id'  => $productOrder['id'],
+                'timestamp'  => time(),
             ];
         }
         $productOrderItems = ProductOrderItems::find()->where(['product_order_id' => $productOrder->id])->all();
@@ -212,6 +213,7 @@ class ProductOrderSubmitForm extends BaseModel
                 return [
                     'is_paid'   => 0,
                     'order_id'  => $productOrder['id'],
+                    'timestamp'  => time(),
                 ];
             }
         } else {