diff --git a/erp/payable.go b/erp/payable.go
index 949209f..12812a9 100644
--- a/erp/payable.go
+++ b/erp/payable.go
@@ -30,6 +30,7 @@ type ReplyPayableList struct {
 type PayableItem struct {
 	Id               int64           `json:"id"`
 	PayableSerial    string          `json:"payableSerial"`
+	InvoiceSerial    string          `json:"invoiceSerial"`
 	AccountingSerial string          `json:"accountingSerial"`
 	Amount           decimal.Decimal `json:"amount"`
 	Currency         string          `json:"currency"`
@@ -73,6 +74,7 @@ type ReplyPayableInfo struct {
 type PayableProductItem struct {
 	Id                  int64           `json:"id"`
 	AccountingProductId int64           `json:"accountingProductId"`
+	PiSerial            string          `json:"piSerial"`
 	FactoryName         string          `json:"factoryName"`
 	Name                string          `json:"name"`
 	Serial              string          `json:"serial"`