diff --git a/app/admin/controller/v1/Product.php b/app/admin/controller/v1/Product.php
index 2d831792..63b6629e 100644
--- a/app/admin/controller/v1/Product.php
+++ b/app/admin/controller/v1/Product.php
@@ -191,7 +191,7 @@ class Product
                     'sku'         => $val['sku'],
                     'main_image'  => $val['main_image'],
                     'photo_album' => $val['photo_album'],
-                    'sort'        => $val['sort']
+                    'sort'        => $val['sort']??0
                 ];
                 foreach ($val['attrs'] as $v) {
                     $attrs_group[$val['sku']][] = [