diff --git a/supply/interface/order.go b/supply/interface/order.go
index e4f0bd1..8c81bdf 100644
--- a/supply/interface/order.go
+++ b/supply/interface/order.go
@@ -16,6 +16,8 @@ type OrderInterface interface {
 	Close(ctx context.Context, orderSn string, reply *int) error
 	// Cancel @Title 取消订单
 	Cancel(ctx context.Context, orderSn string, reply *int) error
+	// Trajectory @Title 物流轨迹
+	Trajectory(ctx context.Context, orderSn string, reply *[]ReplyTrajectory) error
 }
 type ArgsOrderFreightFee struct {
 	Skus    []OrderFreightFeeSkuItem // 商品信息
@@ -47,3 +49,14 @@ type OrderReceiver struct {
 	Email   string // 邮件
 	ZipCode string // 邮编
 }
+
+type ReplyTrajectory struct {
+	LogisticsName string        `json:"logisticsName"`
+	WaybillCode   string        `json:"waybillCode"`
+	Steps         []PackageStep `json:"steps"`
+}
+type PackageStep struct {
+	State      string `json:"state"`
+	Content    string `json:"content"`
+	OperatorAt int64  `json:"operatorAt"`
+}