diff --git a/erp/purchase.go b/erp/purchase.go
index abbe1c7..c844345 100644
--- a/erp/purchase.go
+++ b/erp/purchase.go
@@ -158,3 +158,14 @@ func (p *purchase) Edit(ctx context.Context, args ArgsPurchaseEdit) (err error)
 	err = xClient.Call(ctx, "Edit", args, &reply)
 	return
 }
+
+// Cancel @TITLE 作废采购合同
+func (p *purchase) Cancel(ctx context.Context, purchaseId int64) (err error) {
+	xClient, err := client.GetClient(p)
+	if err != nil {
+		return
+	}
+	reply := 0
+	err = xClient.Call(ctx, "Cancel", purchaseId, &reply)
+	return
+}
diff --git a/erp/sale.go b/erp/sale.go
index fc3c925..6b00a7a 100644
--- a/erp/sale.go
+++ b/erp/sale.go
@@ -81,6 +81,8 @@ type SaleItem struct {
 	WorkflowId             int64            `json:"workflowId"`
 	WorkflowStatus         int64            `json:"workflowStatus"`
 	HasPurchase            int64            `json:"hasPurchase"`
+	PurchaseStatus         int64            `json:"purchaseStatus"`
+	ShipmentStatus         int64            `json:"shipmentStatus"`
 	CreatedStaffId         int64            `json:"createdStaffId"`
 	CreatedAt              *time.Time       `json:"createdAt"`
 	UpdatedAt              *time.Time       `json:"updatedAt"`