diff --git a/model/sanmai.go b/model/sanmai.go
index 8e99083..6406087 100644
--- a/model/sanmai.go
+++ b/model/sanmai.go
@@ -108,7 +108,8 @@ type SubmitOrderDeliveryResp struct {
 }
 
 type CancelOrderDeliveryReq struct {
-	OrderId int `json:"orderId"`
+	OrderId       int    `json:"orderId"`
+	CourierNumber string `json:"courierNumber"`
 }
 type CancelOrderDeliveryResp struct {
 	Flag    bool        `json:"flag"`