diff --git a/platformapi/ebaiapi/shop_sku.go b/platformapi/ebaiapi/shop_sku.go
index 672b9f4e..fbc97d2c 100644
--- a/platformapi/ebaiapi/shop_sku.go
+++ b/platformapi/ebaiapi/shop_sku.go
@@ -328,7 +328,7 @@ func (a *API) SkuCreate(trackInfo, shopID string, customSkuID int64, params map[
 		KeyCustomSkuID: customSkuID,
 	}
 	if utils.IsNil(params["upc"]) {
-		defParams["upc"] = "upc-" + utils.Int2Str(int(customSkuID))
+		params["upc"] = "upc-" + utils.Int2Str(int(customSkuID))
 	}
 	/*if params["brand_id"] == nil {
 		defParams["brand_id"] = 0