diff --git a/platformapi/ebaiapi/order.go b/platformapi/ebaiapi/order.go
index a9a75650..64172d9d 100644
--- a/platformapi/ebaiapi/order.go
+++ b/platformapi/ebaiapi/order.go
@@ -39,6 +39,11 @@ const (
 	WaybillStatusDeliveryRejected = "20"
 )
 
+const (
+	OrderFromBaidu = "1"
+	OrderFromElm   = "2"
+)
+
 type ExpressInfo struct {
 	OrderID        string `json:"order_id"`
 	ExpressID      string `json:"express_id"`