diff --git a/business/partner/purchase/mtwm/order.go b/business/partner/purchase/mtwm/order.go
index b61a062c0..782bc0e55 100644
--- a/business/partner/purchase/mtwm/order.go
+++ b/business/partner/purchase/mtwm/order.go
@@ -253,7 +253,7 @@ func (p *PurchaseHandler) Map2Order(orderData map[string]interface{}) (order *mo
 			if !strings.Contains(product["app_food_code"].(string), "mtcode") {
 				sku.VendorSkuID = product["app_food_code"].(string)
 			} else {
-				sku.VendorSkuID = product["mt_sku_id"].(string)
+				sku.VendorSkuID = utils.Int64ToStr(utils.Interface2Int64WithDefault(product["mt_sku_id"], 0))
 			}
 		}
 		if sku.Weight == 0 {