diff --git a/weipinshang_api/req.go b/weipinshang_api/req.go
index 2ec7892..f6c2549 100644
--- a/weipinshang_api/req.go
+++ b/weipinshang_api/req.go
@@ -13,3 +13,35 @@ type CreateAfsApplyReq struct {
 	PickwareCounty      string `json:"pickwareCounty"`      //   县区	是	String	[县区] 	芙蓉区
 	PickwareAddress     string `json:"pickwareAddress"`     //详细地址	是	String	[县区]	塔南路59号2号楼2单元1301室
 }
+
+type GetManyPostageReq struct {
+	GoodsInfo string `json:"goodsInfo"` //商品数组	goodsInfo	是	json		需要转成json形式的字符串
+	Address   string `json:"address"`   // 详细地址	address	是	String
+	County    string `json:"county"`    // 区	county	是	String
+	Province  string `json:"province"`  //省份	province	是	String
+	City      string `json:"city"`      //城市	city	是	String
+}
+
+type PreOrderReq struct {
+	LockCode          string `json:"lockCode"`          //预下单编码	lockCode	是	String
+	ConsigneeContacts string `json:"consigneeContacts"` //收货人姓名	consigneeContacts	是	String
+	ConsigneePhone    string `json:"consigneePhone"`    //收货人手机号	consigneePhone	是	String
+	Province          string `json:"province"`          //省份	province	是	String
+	City              string `json:"city"`              //城市	city	是	String
+	Address           string `json:"address"`           // 详细地址	address	是	String
+	Area              string `json:"area"`              //区	area	是	String		区
+	GoodsInfo         string `json:"goodsInfo"`         //商品数组	goodsInfo	是	json		需要转成json形式的字符串
+	Source            string `json:"source"`            //订单来源 请求渠道号
+}
+
+type GoodsInfo struct {
+	GoodSpecId string `json:"goodSpecId"` //商品ID	goodSpecId	是	String		商品ID(c_goods_id)
+	GoodsId    string `json:"goodsId"`    //商品父	goodsId	是	String		商品父ID(c_father_goods_id)
+	Num        string `json:"num"`        // 数量
+}
+
+type CreateOrderReq struct {
+	LockCode  string `json:"lockCode"`  //预下单编码	lockCode	是	String
+	OrderNo   string `json:"orderNo"`   //对接方业务单号	orderNo	是	String
+	NoticeUrl string `json:"noticeUrl"` //合作方通知地址	noticeUrl	否	String	规定值	如支持，订单更新实时通知。此参数可不用传，统一走异步回调
+}
diff --git a/weipinshang_api/res.go b/weipinshang_api/res.go
index 224c98f..4747eee 100644
--- a/weipinshang_api/res.go
+++ b/weipinshang_api/res.go
@@ -1,5 +1,38 @@
 package weipinshang_api
 
+type GetManyPostageRes struct {
+	Code int           `json:"code"` // 0为成功，其它为失败
+	Msg  string        `json:"msg"`  // 请求接口消息
+	Data []FreightData `json:"data"` //  返回数据	data		array
+}
+type FreightData struct {
+	Freight string `json:"freight"` // 	邮费	freight	是	string		邮费
+}
+
+type PreOrderRes struct {
+	Code int                   `json:"code"` // 0为成功，其它为失败
+	Msg  string                `json:"msg"`  // 请求接口消息
+	Data []PreOrderFreightData `json:"data"` //  返回数据	data		array
+}
+type PreOrderFreightData struct {
+	Freight     string `json:"freight"`      // 	邮费	freight	是	string		邮费
+	FreightDesc string `json:"freight_desc"` // 	邮费说明	freight_desc	是	string		邮费说明
+}
+
+type CreateOrderRes struct {
+	McOrderNo   string    `json:"mc_order_no"`  //蜜仓子订单号
+	OrderAmount float64   `json:"order_amount"` // 	子订单总金额
+	Sku         []SkuData `json:"sku"`          // 订单商品信息
+}
+
+type SkuData struct {
+	GoodSpecId string `json:"good_spec_id"` //商品ID(c_goods_id)
+	GoodsId    string `json:"goods_id"`     //商品ID(c_father_goods_id)
+	GoodName   string `json:"good_name"`    //商品名称
+	Num        string `json:"num"`          //数量
+	Price      string `json:"price"`        //单价
+}
+
 type GetOrderInfoRes struct {
 	Code int    `json:"code"` // 0为成功，其它为失败
 	Msg  string `json:"msg"`  // 请求接口消息
@@ -26,6 +59,15 @@ type Data struct {
 	CReceiverMobile    string  `json:"c_receiver_mobile"`     //  收货人联系方式
 }
 
+type GetOrderInfoByItemNORes struct {
+	OrderItemNo  string `json:"order_item_no"` //  子订单号
+	SendStatus   string `json:"send_status"`   //发货状态【’CHECKED订单被创建’,’INSTOCK已备货’,’SENDED已发货’,’RECEIVED已收货’】
+	DeliveryName string `json:"delivery_name"` //  快递公司
+	DeliveryNo   string `json:"delivery_no"`   //  快递单号
+	RefuseStatus string `json:"refuse_status"` //售后状态【CREATED 创建售后单’,’ALLOW同意’,’SUCCESS成功’,’NOTALLOW拒绝’,’MONEY_RETURNED已操作退款’,’FAIL_RETURNED退款失败,线下退款’】
+	RefuseType   string `json:"refuse_type"`   // 售后类型【’RETURN_MONEY 退款’,’RETURN_GOODS 退货’】
+}
+
 type IsRefundRes struct {
 	Code       int     `json:"code"`       // 0为成功，其它为失败
 	Msg        string  `json:"msg"`        // 请求接口消息
diff --git a/weipinshang_api/wei_pin_shang_client.go b/weipinshang_api/wei_pin_shang_client.go
index 93d484f..14da99f 100644
--- a/weipinshang_api/wei_pin_shang_client.go
+++ b/weipinshang_api/wei_pin_shang_client.go
@@ -25,6 +25,78 @@ func NewWeiPinShangClient(host, channelType, key string) *WeiPinShangClient {
 	}
 }
 
+func (w *WeiPinShangClient) GetManyPostage(getManyPostageReq GetManyPostageReq) (res *GetManyPostageRes, err error) {
+	fmt.Println("getManyPostageReq", getManyPostageReq)
+	paramMap := make(map[string]any)
+
+	paramMap["goodsInfo"] = getManyPostageReq.GoodsInfo
+	paramMap["address"] = getManyPostageReq.Address
+	paramMap["province"] = getManyPostageReq.Province
+	paramMap["county"] = getManyPostageReq.County
+	paramMap["city"] = getManyPostageReq.City
+
+	postRes, err := w.WPSPost("/mcang/Mcang/getManyPostage", paramMap)
+	if err != nil {
+		return
+	}
+
+	err = json.Unmarshal(postRes, &res)
+	if err != nil || res == nil {
+		err = fmt.Errorf("转换GetManyPostageRes结构体失败: %s", string(postRes))
+		return
+	}
+
+	return
+}
+
+func (w *WeiPinShangClient) PreOrder(preOrderReq PreOrderReq) (res *PreOrderRes, err error) {
+	fmt.Println("preOrderReq", preOrderReq)
+	paramMap := make(map[string]any)
+	paramMap["lockCode"] = preOrderReq.LockCode
+	paramMap["consigneeContacts"] = preOrderReq.ConsigneeContacts
+	paramMap["consigneePhone"] = preOrderReq.ConsigneePhone
+
+	paramMap["address"] = preOrderReq.Address
+	paramMap["province"] = preOrderReq.Province
+	paramMap["area"] = preOrderReq.Area
+	paramMap["city"] = preOrderReq.City
+
+	paramMap["goodsInfo"] = preOrderReq.GoodsInfo
+	paramMap["source"] = preOrderReq.Source
+	postRes, err := w.WPSPost("/mcang/Order/preOrder", paramMap)
+	if err != nil {
+		return
+	}
+
+	err = json.Unmarshal(postRes, &res)
+	if err != nil || res == nil {
+		err = fmt.Errorf("转换PreOrderRes结构体失败: %s", string(postRes))
+		return
+	}
+
+	return
+}
+
+func (w *WeiPinShangClient) CreateOrder(createOrderReq CreateOrderReq) (res *CreateOrderRes, err error) {
+	fmt.Println("createOrderReq", createOrderReq)
+	paramMap := make(map[string]any)
+	paramMap["lockCode"] = createOrderReq.LockCode
+	paramMap["orderNo"] = createOrderReq.OrderNo
+	paramMap["noticeUrl"] = createOrderReq.NoticeUrl
+	postRes, err := w.WPSPost("/mcang/Order/createOrder", paramMap)
+	if err != nil {
+		return
+	}
+
+	err = json.Unmarshal(postRes, &res)
+	if err != nil || res == nil {
+		err = fmt.Errorf("转换CreateOrderRes结构体失败: %s", string(postRes))
+		return
+	}
+
+	return
+}
+
 func (w *WeiPinShangClient) GetOrderInfo(orderNo string) (res *GetOrderInfoRes, err error) {
 	fmt.Println("orderNo", orderNo)
 	paramMap := make(map[string]any)
@@ -43,6 +115,24 @@ func (w *WeiPinShangClient) GetOrderInfo(orderNo string) (res *GetOrderInfoRes,
 	return
 }
 
+func (w *WeiPinShangClient) GetOrderInfoByItemNO(mcOrderNo string) (res *GetOrderInfoByItemNORes, err error) {
+	fmt.Println("mcOrderNo", mcOrderNo)
+	paramMap := make(map[string]any)
+	paramMap["mcOrderNo"] = mcOrderNo
+	postRes, err := w.WPSPost("/mcang/Mcang/getOrderInfoByItemNO", paramMap)
+	if err != nil {
+		return
+	}
+
+	err = json.Unmarshal(postRes, &res)
+	if err != nil || res == nil {
+		err = fmt.Errorf("转换GetOrderInfoByItemNORes结构体失败: %s", string(postRes))
+		return
+	}
+
+	return
+}
+
 func (w *WeiPinShangClient) IsRefund(mcOrderNo string) (res *IsRefundRes, err error) {
 	fmt.Println("mcOrderNo", mcOrderNo)
 	paramMap := make(map[string]any)
@@ -54,7 +144,7 @@ func (w *WeiPinShangClient) IsRefund(mcOrderNo string) (res *IsRefundRes, err er
 
 	err = json.Unmarshal(postRes, &res)
 	if err != nil || res == nil {
-		err = fmt.Errorf("转换结构体失败: %s", string(postRes))
+		err = fmt.Errorf("转换IsRefundRes结构体失败: %s", string(postRes))
 		return
 	}
 	return
@@ -85,7 +175,7 @@ func (w *WeiPinShangClient) CreateAfsApply(createAfsApplyReq CreateAfsApplyReq)
 
 	err = json.Unmarshal(postRes, &res)
 	if err != nil || res == nil {
-		err = fmt.Errorf("转换结构体失败: %s", string(postRes))
+		err = fmt.Errorf("转换CreateAfsApplyRes结构体失败: %s", string(postRes))
 		return
 	}
 	return
@@ -102,7 +192,7 @@ func (w *WeiPinShangClient) OrderCancel(mcOrderNo string) (res *OrderCancelRes,
 
 	err = json.Unmarshal(postRes, &res)
 	if err != nil || res == nil {
-		err = fmt.Errorf("转换结构体失败: %s", string(postRes))
+		err = fmt.Errorf("转换OrderCancelRes结构体失败: %s", string(postRes))
 		return
 	}
 	return