diff --git a/paypal/constant.go b/paypal/constant.go
index 4d1774ed..11c7a1e5 100644
--- a/paypal/constant.go
+++ b/paypal/constant.go
@@ -59,4 +59,7 @@ const (
 	createInvoiceTemplate      = "/v2/invoicing/templates"                    // 创建发票模板 POST
 	deleteInvoiceTemplate      = "/v2/invoicing/templates/%s"                 // template_id 删除发票模板 DELETE
 	fullyUpdateInvoiceTemplate = "/v2/invoicing/templates/%s"                 // template_id 全量更新发票模板 PUT
+
+	// 物流相关
+	addTrackingNumber = "/v2/checkout/orders/%s/track" // order_id 授权物流信息 POST
 )
diff --git a/paypal/model.go b/paypal/model.go
index 5dc16381..b7686962 100644
--- a/paypal/model.go
+++ b/paypal/model.go
@@ -396,8 +396,26 @@ type PurchaseUnit struct {
 }
 
 type Amount struct {
-	CurrencyCode string `json:"currency_code"`
-	Value        string `json:"value"`
+	CurrencyCode          string                `json:"currency_code"`
+	Value                 string                `json:"value"`
+	PurchaseUnitBreakdown PurchaseUnitBreakdown `json:"breakdown"`
+}
+
+type PurchaseUnitBreakdown struct {
+	//item_total
+	ItemTotal *FixedPrice `json:"item_total,omitempty"`
+	// shipping
+	Shipping *FixedPrice `json:"shipping,omitempty"`
+	// handling
+	Handling *FixedPrice `json:"handling,omitempty"`
+	// tax_total
+	TaxTotal *FixedPrice `json:"tax_total,omitempty"`
+	// insurance
+	Insurance *FixedPrice `json:"insurance,omitempty"`
+	// shipping_discount
+	ShippingDiscount *FixedPrice `json:"shipping_discount,omitempty"`
+	// discount
+	Discount *FixedPrice `json:"discount,omitempty"`
 }
 
 type Payee struct {
@@ -967,3 +985,25 @@ type TemplateInfo struct {
 	Items                []*Item                `json:"items,omitempty"`
 	PrimaryRecipients    []*RecipientInfo       `json:"primary_recipients,omitempty"`
 }
+
+type AddTrackingNumberReq struct {
+	TrackingNumber   string      `json:"tracking_number"`
+	CarrierNameOther string      `json:"carrier_name_other"`
+	Carrier          string      `json:"carrier"`
+	CaptureId        string      `json:"capture_id"`
+	NotifyPayer      bool        `json:"notify_payer"`
+	ShipItem         []*ShipItem `json:"items"`
+}
+type ShipItem struct {
+	Name     string `json:"name"`
+	Quantity int    `json:"quantity"`
+	Sku      string `json:"sku"`
+	Url      string `json:"url"`
+	ImageUrl string `json:"image_url"`
+}
+type AddTrackingNumberRsp struct {
+	Code          int            `json:"-"`
+	Error         string         `json:"-"`
+	ErrorResponse *ErrorResponse `json:"-"`
+	Response      *OrderDetail   `json:"response,omitempty"`
+}
diff --git a/paypal/tracking.go b/paypal/tracking.go
new file mode 100644
index 00000000..8a672ce8
--- /dev/null
+++ b/paypal/tracking.go
@@ -0,0 +1,37 @@
+package paypal
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	"github.com/go-pay/gopay"
+)
+
+// AddTrackingNumber 添加物流单号
+// Code = 0 is success
+// 文档：https://developer.paypal.com/docs/api/orders/v2/#orders_track_create
+func (c *Client) AddTrackingNumber(ctx context.Context, orderId string, bm gopay.BodyMap) (ppRsp *AddTrackingNumberRsp, err error) {
+	if err = bm.CheckEmptyError("tracking_number", "carrier", "capture_id"); err != nil {
+		return nil, err
+	}
+
+	url := fmt.Sprintf(addTrackingNumber, orderId)
+	res, bs, err := c.doPayPalPost(ctx, bm, url)
+	if err != nil {
+		return nil, err
+	}
+	ppRsp = &AddTrackingNumberRsp{Code: Success}
+	ppRsp.Response = new(OrderDetail)
+	if err = json.Unmarshal(bs, ppRsp.Response); err != nil {
+		return nil, fmt.Errorf("[%w]: %v, bytes: %s", gopay.UnmarshalErr, err, string(bs))
+	}
+	if res.StatusCode != http.StatusCreated {
+		ppRsp.Code = res.StatusCode
+		ppRsp.Error = string(bs)
+		ppRsp.ErrorResponse = new(ErrorResponse)
+		_ = json.Unmarshal(bs, ppRsp.ErrorResponse)
+	}
+	return ppRsp, nil
+}
diff --git a/paypal/tracking_test.go b/paypal/tracking_test.go
new file mode 100644
index 00000000..efdbc81d
--- /dev/null
+++ b/paypal/tracking_test.go
@@ -0,0 +1,45 @@
+package paypal
+
+import (
+	"testing"
+
+	"github.com/go-pay/xlog"
+
+	"github.com/go-pay/gopay"
+)
+
+func TestAddTrackingNumber(t *testing.T) {
+	var items []*ShipItem
+	var item = &ShipItem{
+		Name:     "T-Shirt",
+		Quantity: 1,
+		Sku:      "sku02",
+		Url:      "https://www.example.com/example.jpg",
+		ImageUrl: "https://www.example.com/example",
+	}
+	items = append(items, item)
+
+	bm := make(gopay.BodyMap)
+	bm.Set("capture_id", "1DW71051X94135205").
+		Set("tracking_number", "UJ639398620YP").
+		Set("carrier", "YANWEN").
+		Set("items", items)
+
+	xlog.Debug("bm：", bm.JsonBody())
+
+	ppRsp, err := client.AddTrackingNumber(ctx, "3TH70640XJ5862H", bm)
+	if err != nil {
+		xlog.Error(err)
+		return
+	}
+	if ppRsp.Code != Success {
+		xlog.Debugf("ppRsp.Code: %+v", ppRsp.Code)
+		xlog.Debugf("ppRsp.Error: %+v", ppRsp.Error)
+		xlog.Debugf("ppRsp.ErrorResponse: %+v", ppRsp.ErrorResponse)
+		return
+	}
+	xlog.Debugf("ppRsp.Response: %+v", ppRsp.Response)
+	for _, v := range ppRsp.Response.Links {
+		xlog.Debugf("ppRsp.Response.Links: %+v", v)
+	}
+}