diff --git a/1740403884_update_ufutx_s2_shop_sku.up.sql b/1740403884_update_ufutx_s2_shop_sku.up.sql
new file mode 100644
index 0000000..5695349
--- /dev/null
+++ b/1740403884_update_ufutx_s2_shop_sku.up.sql
@@ -0,0 +1 @@
+ALTER TABLE `ufutx_s2_shop_sku` ADD `sub_category_id` INT UNSIGNED NOT NULL DEFAULT '1' COMMENT '次级分类id' AFTER `payment_id`;
\ No newline at end of file