diff --git a/services/payments/code/api_code.go b/services/payments/code/api_code.go
new file mode 100644
index 0000000..2459fc3
--- /dev/null
+++ b/services/payments/code/api_code.go
@@ -0,0 +1,101 @@
+// Copyright 2024
+//
+// 付款码支付
+//
+// 付款码支付API
+//
+// API version: 1.2.3
+
+// 文档地址： https://pay.weixin.qq.com/docs/merchant/apis/code-payment-v3/direct/code-pay.html
+package code
+
+import (
+	"context"
+	"fmt"
+	"github.com/wechatpay-apiv3/wechatpay-go/core"
+	"github.com/wechatpay-apiv3/wechatpay-go/core/consts"
+	"github.com/wechatpay-apiv3/wechatpay-go/services"
+	nethttp "net/http"
+	neturl "net/url"
+	"strings"
+)
+
+type CodeApiService services.Service
+
+// 撤销订单
+// 支付交易返回失败或支付系统超时，调用该接口撤销交易。如果此订单用户支付失败，微信支付系统会将此订单关闭；如果用户支付成功，微信支付系统会将此订单资金退还给用户。
+func (a *CodeApiService) CloseOrder(ctx context.Context, req CloseOrderRequest) (result *core.APIResult, err error) {
+	var (
+		localVarHTTPMethod   = nethttp.MethodPost
+		localVarPostBody     interface{}
+		localVarQueryParams  neturl.Values
+		localVarHeaderParams = nethttp.Header{}
+	)
+
+	// Make sure Path Params are properly set
+	if req.Appid == nil {
+		return nil, fmt.Errorf("field `OutTradeNo` is required and must be specified in CloseOrderRequest")
+	}
+
+	localVarPath := consts.WechatPayAPIServer + "/v3/pay/transactions/out-trade-no/{out_trade_no}/reverse"
+	// Build Path with Path Params
+	localVarPath = strings.Replace(localVarPath, "{"+"out_trade_no"+"}", neturl.PathEscape(core.ParameterToString(*req.OutTradeNo, "")), -1)
+
+	// Make sure All Required Params are properly set
+
+	// Setup Body Params
+	localVarPostBody = &CloseRequest{
+		Mchid: req.Mchid,
+		Appid: req.Appid,
+	}
+
+	// Determine the Content-Type Header
+	localVarHTTPContentTypes := []string{"application/json"}
+	// Setup Content-Type
+	localVarHTTPContentType := core.SelectHeaderContentType(localVarHTTPContentTypes)
+
+	// Perform Http Request
+	result, err = a.Client.Request(ctx, localVarHTTPMethod, localVarPath, localVarHeaderParams, localVarQueryParams, localVarPostBody, localVarHTTPContentType)
+	if err != nil {
+		return result, err
+	}
+
+	return result, nil
+}
+
+// Prepay 付款码支付下单
+//
+// 收银员使用扫码设备读取微信用户付款码以后，二维码或条码信息会传送至商户收银台，由商户收银台或者商户后台调用该接口发起支付。
+func (a *CodeApiService) Prepay(ctx context.Context, req PrepayRequest) (resp *PrepayResponse, result *core.APIResult, err error) {
+	var (
+		localVarHTTPMethod   = nethttp.MethodPost
+		localVarPostBody     interface{}
+		localVarQueryParams  neturl.Values
+		localVarHeaderParams = nethttp.Header{}
+	)
+
+	localVarPath := consts.WechatPayAPIServer + "/v3/pay/transactions/codepay"
+	// Make sure All Required Params are properly set
+
+	// Setup Body Params
+	localVarPostBody = req
+
+	// Determine the Content-Type Header
+	localVarHTTPContentTypes := []string{"application/json"}
+	// Setup Content-Type
+	localVarHTTPContentType := core.SelectHeaderContentType(localVarHTTPContentTypes)
+
+	// Perform Http Request
+	result, err = a.Client.Request(ctx, localVarHTTPMethod, localVarPath, localVarHeaderParams, localVarQueryParams, localVarPostBody, localVarHTTPContentType)
+	if err != nil {
+		return nil, result, err
+	}
+
+	// Extract PrepayResponse from Http Response
+	resp = new(PrepayResponse)
+	err = core.UnMarshalResponse(result.Response, resp)
+	if err != nil {
+		return nil, result, err
+	}
+	return resp, result, nil
+}
diff --git a/services/payments/code/models.go b/services/payments/code/models.go
new file mode 100644
index 0000000..28b18dc
--- /dev/null
+++ b/services/payments/code/models.go
@@ -0,0 +1,1176 @@
+package code
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/wechatpay-apiv3/wechatpay-go/services/payments"
+	"time"
+)
+
+// Amount
+type Amount struct {
+	// 订单总金额，单位为分
+	Total *int64 `json:"total"`
+	// CNY：人民币，境内商户号仅支持人民币。
+	Currency *string `json:"currency,omitempty"`
+}
+
+func (o Amount) MarshalJSON() ([]byte, error) {
+	toSerialize := map[string]interface{}{}
+
+	if o.Total == nil {
+		return nil, fmt.Errorf("field `Total` is required and must be specified in Amount")
+	}
+	toSerialize["total"] = o.Total
+
+	if o.Currency != nil {
+		toSerialize["currency"] = o.Currency
+	}
+	return json.Marshal(toSerialize)
+}
+
+func (o Amount) String() string {
+	var ret string
+	if o.Total == nil {
+		ret += "Total:<nil>, "
+	} else {
+		ret += fmt.Sprintf("Total:%v, ", *o.Total)
+	}
+
+	if o.Currency == nil {
+		ret += "Currency:<nil>"
+	} else {
+		ret += fmt.Sprintf("Currency:%v", *o.Currency)
+	}
+
+	return fmt.Sprintf("Amount{%s}", ret)
+}
+
+func (o Amount) Clone() *Amount {
+	ret := Amount{}
+
+	if o.Total != nil {
+		ret.Total = new(int64)
+		*ret.Total = *o.Total
+	}
+
+	if o.Currency != nil {
+		ret.Currency = new(string)
+		*ret.Currency = *o.Currency
+	}
+
+	return &ret
+}
+
+// 【支付者】 支付者信息。
+type AuthPayer struct {
+	//【授权码】 付款码支付授权码，即用户打开微信钱包显示的码。
+	AuthCode *string `json:"auth_code"`
+}
+
+func (o AuthPayer) MarshalJSON() ([]byte, error) {
+	toSerialize := map[string]interface{}{}
+
+	if o.AuthCode != nil {
+		toSerialize["auth_code"] = o.AuthCode
+	}
+	return json.Marshal(toSerialize)
+}
+
+func (o AuthPayer) String() string {
+	var ret string
+	if o.AuthCode == nil {
+		ret += "auth_code:<nil>"
+	} else {
+		ret += fmt.Sprintf("auth_code:%v", *o.AuthCode)
+	}
+	return fmt.Sprintf("Payer{%s}", ret)
+}
+
+func (o AuthPayer) Clone() *AuthPayer {
+	ret := AuthPayer{}
+
+	if o.AuthCode != nil {
+		ret.AuthCode = new(string)
+		*ret.AuthCode = *o.AuthCode
+	}
+
+	return &ret
+}
+
+// CloseOrderRequest
+type CloseOrderRequest struct {
+	OutTradeNo *string `json:"out_trade_no"`
+	// 直连商户号
+	Mchid *string `json:"mchid"`
+	//应用appid
+	Appid *string `json:"appid"`
+}
+
+func (o CloseOrderRequest) MarshalJSON() ([]byte, error) {
+	toSerialize := map[string]interface{}{}
+
+	if o.OutTradeNo == nil {
+		return nil, fmt.Errorf("field `OutTradeNo` is required and must be specified in CloseOrderRequest")
+	}
+	toSerialize["out_trade_no"] = o.OutTradeNo
+
+	if o.Mchid == nil {
+		return nil, fmt.Errorf("field `Mchid` is required and must be specified in CloseOrderRequest")
+	}
+	toSerialize["mchid"] = o.Mchid
+	if o.Appid == nil {
+		return nil, fmt.Errorf("field `Appid` is required and must be specified in CloseOrderRequest")
+	}
+	toSerialize["appid"] = o.Appid
+
+	return json.Marshal(toSerialize)
+}
+
+func (o CloseOrderRequest) String() string {
+	var ret string
+
+	if o.OutTradeNo == nil {
+		ret += "OutTradeNo:<nil>, "
+	} else {
+		ret += fmt.Sprintf("OutTradeNo:%v, ", *o.OutTradeNo)
+	}
+
+	if o.Mchid == nil {
+		ret += "Mchid:<nil>"
+	} else {
+		ret += fmt.Sprintf("Mchid:%v", *o.Mchid)
+	}
+	if o.Appid == nil {
+		ret += "Appid:<nil>"
+	} else {
+		ret += fmt.Sprintf("Appid:%v", *o.Appid)
+	}
+	return fmt.Sprintf("CloseOrderRequest{%s}", ret)
+}
+
+func (o CloseOrderRequest) Clone() *CloseOrderRequest {
+	ret := CloseOrderRequest{}
+
+	if o.OutTradeNo != nil {
+		ret.OutTradeNo = new(string)
+		*ret.OutTradeNo = *o.OutTradeNo
+	}
+
+	if o.Mchid != nil {
+		ret.Mchid = new(string)
+		*ret.Mchid = *o.Mchid
+	}
+	if o.Appid != nil {
+		ret.Appid = new(string)
+		*ret.Appid = *o.Appid
+	}
+	return &ret
+}
+
+// CloseRequest
+type CloseRequest struct {
+	// 直连商户号
+	Mchid *string `json:"mchid"`
+	//应用AppID。
+	Appid *string `json:"appid"`
+}
+
+func (o CloseRequest) MarshalJSON() ([]byte, error) {
+	toSerialize := map[string]interface{}{}
+
+	if o.Mchid == nil {
+		return nil, fmt.Errorf("field `Mchid` is required and must be specified in CloseRequest")
+	}
+	toSerialize["mchid"] = o.Mchid
+	if o.Appid == nil {
+		return nil, fmt.Errorf("field `Appid` is required and must be specified in CloseRequest")
+	}
+	toSerialize["appid"] = o.Appid
+	return json.Marshal(toSerialize)
+}
+
+func (o CloseRequest) String() string {
+	var ret string
+	if o.Mchid == nil {
+		ret += "Mchid:<nil>"
+	} else {
+		ret += fmt.Sprintf("Mchid:%v", *o.Mchid)
+	}
+	if o.Appid == nil {
+		ret += "Appid:<nil>, "
+	} else {
+		ret += fmt.Sprintf("Appid:%v, ", *o.Appid)
+	}
+	return fmt.Sprintf("CloseRequest{%s}", ret)
+}
+
+func (o CloseRequest) Clone() *CloseRequest {
+	ret := CloseRequest{}
+
+	if o.Mchid != nil {
+		ret.Mchid = new(string)
+		*ret.Mchid = *o.Mchid
+	}
+	if o.Appid != nil {
+		ret.Appid = new(string)
+		*ret.Appid = *o.Appid
+	}
+	return &ret
+}
+
+// Detail 优惠功能
+type Detail struct {
+	// 1.商户侧一张小票订单可能被分多次支付，订单原价用于记录整张小票的交易金额。 2.当订单原价与支付金额不相等，则不享受优惠。 3.该字段主要用于防止同一张小票分多次支付，以享受多次优惠的情况，正常支付订单不必上传此参数。
+	CostPrice *int64 `json:"cost_price,omitempty"`
+	// 商家小票ID。
+	InvoiceId   *string       `json:"invoice_id,omitempty"`
+	GoodsDetail []GoodsDetail `json:"goods_detail,omitempty"`
+}
+
+func (o Detail) MarshalJSON() ([]byte, error) {
+	toSerialize := map[string]interface{}{}
+
+	if o.CostPrice != nil {
+		toSerialize["cost_price"] = o.CostPrice
+	}
+
+	if o.InvoiceId != nil {
+		toSerialize["invoice_id"] = o.InvoiceId
+	}
+
+	if o.GoodsDetail != nil {
+		toSerialize["goods_detail"] = o.GoodsDetail
+	}
+	return json.Marshal(toSerialize)
+}
+
+func (o Detail) String() string {
+	var ret string
+	if o.CostPrice == nil {
+		ret += "CostPrice:<nil>, "
+	} else {
+		ret += fmt.Sprintf("CostPrice:%v, ", *o.CostPrice)
+	}
+
+	if o.InvoiceId == nil {
+		ret += "InvoiceId:<nil>, "
+	} else {
+		ret += fmt.Sprintf("InvoiceId:%v, ", *o.InvoiceId)
+	}
+
+	ret += fmt.Sprintf("GoodsDetail:%v", o.GoodsDetail)
+
+	return fmt.Sprintf("Detail{%s}", ret)
+}
+
+func (o Detail) Clone() *Detail {
+	ret := Detail{}
+
+	if o.CostPrice != nil {
+		ret.CostPrice = new(int64)
+		*ret.CostPrice = *o.CostPrice
+	}
+
+	if o.InvoiceId != nil {
+		ret.InvoiceId = new(string)
+		*ret.InvoiceId = *o.InvoiceId
+	}
+
+	if o.GoodsDetail != nil {
+		ret.GoodsDetail = make([]GoodsDetail, len(o.GoodsDetail))
+		for i, item := range o.GoodsDetail {
+			ret.GoodsDetail[i] = *item.Clone()
+		}
+	}
+
+	return &ret
+}
+
+// GoodsDetail
+type GoodsDetail struct {
+	// 由半角的大小写字母、数字、中划线、下划线中的一种或几种组成。
+	MerchantGoodsId *string `json:"merchant_goods_id"`
+	// 微信支付定义的统一商品编号（没有可不传）。
+	WechatpayGoodsId *string `json:"wechatpay_goods_id,omitempty"`
+	// 商品的实际名称。
+	GoodsName *string `json:"goods_name,omitempty"`
+	// 用户购买的数量。
+	Quantity *int64 `json:"quantity"`
+	// 商品单价，单位为分。
+	UnitPrice *int64 `json:"unit_price"`
+}
+
+func (o GoodsDetail) MarshalJSON() ([]byte, error) {
+	toSerialize := map[string]interface{}{}
+
+	if o.MerchantGoodsId == nil {
+		return nil, fmt.Errorf("field `MerchantGoodsId` is required and must be specified in GoodsDetail")
+	}
+	toSerialize["merchant_goods_id"] = o.MerchantGoodsId
+
+	if o.WechatpayGoodsId != nil {
+		toSerialize["wechatpay_goods_id"] = o.WechatpayGoodsId
+	}
+
+	if o.GoodsName != nil {
+		toSerialize["goods_name"] = o.GoodsName
+	}
+
+	if o.Quantity == nil {
+		return nil, fmt.Errorf("field `Quantity` is required and must be specified in GoodsDetail")
+	}
+	toSerialize["quantity"] = o.Quantity
+
+	if o.UnitPrice == nil {
+		return nil, fmt.Errorf("field `UnitPrice` is required and must be specified in GoodsDetail")
+	}
+	toSerialize["unit_price"] = o.UnitPrice
+	return json.Marshal(toSerialize)
+}
+
+func (o GoodsDetail) String() string {
+	var ret string
+	if o.MerchantGoodsId == nil {
+		ret += "MerchantGoodsId:<nil>, "
+	} else {
+		ret += fmt.Sprintf("MerchantGoodsId:%v, ", *o.MerchantGoodsId)
+	}
+
+	if o.WechatpayGoodsId == nil {
+		ret += "WechatpayGoodsId:<nil>, "
+	} else {
+		ret += fmt.Sprintf("WechatpayGoodsId:%v, ", *o.WechatpayGoodsId)
+	}
+
+	if o.GoodsName == nil {
+		ret += "GoodsName:<nil>, "
+	} else {
+		ret += fmt.Sprintf("GoodsName:%v, ", *o.GoodsName)
+	}
+
+	if o.Quantity == nil {
+		ret += "Quantity:<nil>, "
+	} else {
+		ret += fmt.Sprintf("Quantity:%v, ", *o.Quantity)
+	}
+
+	if o.UnitPrice == nil {
+		ret += "UnitPrice:<nil>"
+	} else {
+		ret += fmt.Sprintf("UnitPrice:%v", *o.UnitPrice)
+	}
+
+	return fmt.Sprintf("GoodsDetail{%s}", ret)
+}
+
+func (o GoodsDetail) Clone() *GoodsDetail {
+	ret := GoodsDetail{}
+
+	if o.MerchantGoodsId != nil {
+		ret.MerchantGoodsId = new(string)
+		*ret.MerchantGoodsId = *o.MerchantGoodsId
+	}
+
+	if o.WechatpayGoodsId != nil {
+		ret.WechatpayGoodsId = new(string)
+		*ret.WechatpayGoodsId = *o.WechatpayGoodsId
+	}
+
+	if o.GoodsName != nil {
+		ret.GoodsName = new(string)
+		*ret.GoodsName = *o.GoodsName
+	}
+
+	if o.Quantity != nil {
+		ret.Quantity = new(int64)
+		*ret.Quantity = *o.Quantity
+	}
+
+	if o.UnitPrice != nil {
+		ret.UnitPrice = new(int64)
+		*ret.UnitPrice = *o.UnitPrice
+	}
+
+	return &ret
+}
+
+// PrepayRequest
+type PrepayRequest struct {
+	// 公众号ID
+	Appid *string `json:"appid"`
+	// 直连商户号
+	Mchid *string `json:"mchid"`
+	// 商品描述
+	Description *string `json:"description"`
+	// 商户订单号
+	OutTradeNo *string `json:"out_trade_no"`
+	// 订单失效时间，格式为rfc3339格式
+	TimeExpire *time.Time `json:"time_expire,omitempty"`
+	// 附加数据
+	Attach *string `json:"attach,omitempty"`
+	// 有效性：1. HTTPS；2. 不允许携带查询串。
+	NotifyUrl *string `json:"notify_url"`
+	// 商品标记，代金券或立减优惠功能的参数。
+	GoodsTag *string `json:"goods_tag,omitempty"`
+	// 传入true时，支付成功消息和支付详情页将出现开票入口。需要在微信支付商户平台或微信公众平台开通电子发票功能，传此字段才可生效。
+	SupportFapiao *bool       `json:"support_fapiao,omitempty"`
+	Payer         *AuthPayer  `json:"payer,omitempty"`
+	Amount        *Amount     `json:"amount"`
+	Detail        *Detail     `json:"detail,omitempty"`
+	SceneInfo     *SceneInfo  `json:"scene_info,omitempty"`
+	SettleInfo    *SettleInfo `json:"settle_info,omitempty"`
+}
+
+func (o PrepayRequest) MarshalJSON() ([]byte, error) {
+	toSerialize := map[string]interface{}{}
+
+	if o.Appid == nil {
+		return nil, fmt.Errorf("field `Appid` is required and must be specified in PrepayRequest")
+	}
+	toSerialize["appid"] = o.Appid
+
+	if o.Mchid == nil {
+		return nil, fmt.Errorf("field `Mchid` is required and must be specified in PrepayRequest")
+	}
+	toSerialize["mchid"] = o.Mchid
+
+	if o.Description == nil {
+		return nil, fmt.Errorf("field `Description` is required and must be specified in PrepayRequest")
+	}
+	toSerialize["description"] = o.Description
+
+	if o.OutTradeNo == nil {
+		return nil, fmt.Errorf("field `OutTradeNo` is required and must be specified in PrepayRequest")
+	}
+	toSerialize["out_trade_no"] = o.OutTradeNo
+
+	if o.TimeExpire != nil {
+		toSerialize["time_expire"] = o.TimeExpire.Format(time.RFC3339)
+	}
+
+	if o.Attach != nil {
+		toSerialize["attach"] = o.Attach
+	}
+
+	if o.NotifyUrl == nil {
+		return nil, fmt.Errorf("field `NotifyUrl` is required and must be specified in PrepayRequest")
+	}
+	toSerialize["notify_url"] = o.NotifyUrl
+
+	if o.GoodsTag != nil {
+		toSerialize["goods_tag"] = o.GoodsTag
+	}
+
+	if o.Payer == nil {
+		return nil, fmt.Errorf("field `Payer` is required and must be specified in PrepayRequest")
+	}
+	toSerialize["payer"] = o.Payer
+
+	if o.SupportFapiao != nil {
+		toSerialize["support_fapiao"] = o.SupportFapiao
+	}
+
+	if o.Amount == nil {
+		return nil, fmt.Errorf("field `Amount` is required and must be specified in PrepayRequest")
+	}
+	toSerialize["amount"] = o.Amount
+
+	if o.Detail != nil {
+		toSerialize["detail"] = o.Detail
+	}
+
+	if o.SceneInfo != nil {
+		toSerialize["scene_info"] = o.SceneInfo
+	}
+
+	if o.SettleInfo != nil {
+		toSerialize["settle_info"] = o.SettleInfo
+	}
+	return json.Marshal(toSerialize)
+}
+
+func (o PrepayRequest) String() string {
+	var ret string
+	if o.Appid == nil {
+		ret += "Appid:<nil>, "
+	} else {
+		ret += fmt.Sprintf("Appid:%v, ", *o.Appid)
+	}
+
+	if o.Mchid == nil {
+		ret += "Mchid:<nil>, "
+	} else {
+		ret += fmt.Sprintf("Mchid:%v, ", *o.Mchid)
+	}
+
+	if o.Description == nil {
+		ret += "Description:<nil>, "
+	} else {
+		ret += fmt.Sprintf("Description:%v, ", *o.Description)
+	}
+
+	if o.OutTradeNo == nil {
+		ret += "OutTradeNo:<nil>, "
+	} else {
+		ret += fmt.Sprintf("OutTradeNo:%v, ", *o.OutTradeNo)
+	}
+
+	if o.TimeExpire == nil {
+		ret += "TimeExpire:<nil>, "
+	} else {
+		ret += fmt.Sprintf("TimeExpire:%v, ", *o.TimeExpire)
+	}
+
+	if o.Attach == nil {
+		ret += "Attach:<nil>, "
+	} else {
+		ret += fmt.Sprintf("Attach:%v, ", *o.Attach)
+	}
+
+	if o.NotifyUrl == nil {
+		ret += "NotifyUrl:<nil>, "
+	} else {
+		ret += fmt.Sprintf("NotifyUrl:%v, ", *o.NotifyUrl)
+	}
+
+	if o.GoodsTag == nil {
+		ret += "GoodsTag:<nil>, "
+	} else {
+		ret += fmt.Sprintf("GoodsTag:%v, ", *o.GoodsTag)
+	}
+
+	ret += fmt.Sprintf("Payer:%v, ", o.Payer)
+
+	if o.SupportFapiao == nil {
+		ret += "SupportFapiao:<nil>, "
+	} else {
+		ret += fmt.Sprintf("SupportFapiao:%v, ", *o.SupportFapiao)
+	}
+
+	ret += fmt.Sprintf("Amount:%v, ", o.Amount)
+
+	ret += fmt.Sprintf("Detail:%v, ", o.Detail)
+
+	ret += fmt.Sprintf("SceneInfo:%v, ", o.SceneInfo)
+
+	ret += fmt.Sprintf("SettleInfo:%v", o.SettleInfo)
+
+	return fmt.Sprintf("PrepayRequest{%s}", ret)
+}
+
+func (o PrepayRequest) Clone() *PrepayRequest {
+	ret := PrepayRequest{}
+
+	if o.Appid != nil {
+		ret.Appid = new(string)
+		*ret.Appid = *o.Appid
+	}
+
+	if o.Mchid != nil {
+		ret.Mchid = new(string)
+		*ret.Mchid = *o.Mchid
+	}
+
+	if o.Description != nil {
+		ret.Description = new(string)
+		*ret.Description = *o.Description
+	}
+
+	if o.OutTradeNo != nil {
+		ret.OutTradeNo = new(string)
+		*ret.OutTradeNo = *o.OutTradeNo
+	}
+
+	if o.TimeExpire != nil {
+		ret.TimeExpire = new(time.Time)
+		*ret.TimeExpire = *o.TimeExpire
+	}
+
+	if o.Attach != nil {
+		ret.Attach = new(string)
+		*ret.Attach = *o.Attach
+	}
+
+	if o.NotifyUrl != nil {
+		ret.NotifyUrl = new(string)
+		*ret.NotifyUrl = *o.NotifyUrl
+	}
+
+	if o.GoodsTag != nil {
+		ret.GoodsTag = new(string)
+		*ret.GoodsTag = *o.GoodsTag
+	}
+
+	if o.Payer != nil {
+		ret.Payer = o.Payer.Clone()
+	}
+
+	if o.SupportFapiao != nil {
+		ret.SupportFapiao = new(bool)
+		*ret.SupportFapiao = *o.SupportFapiao
+	}
+
+	if o.Amount != nil {
+		ret.Amount = o.Amount.Clone()
+	}
+
+	if o.Detail != nil {
+		ret.Detail = o.Detail.Clone()
+	}
+
+	if o.SceneInfo != nil {
+		ret.SceneInfo = o.SceneInfo.Clone()
+	}
+
+	if o.SettleInfo != nil {
+		ret.SettleInfo = o.SettleInfo.Clone()
+	}
+
+	return &ret
+}
+
+// PrepayResponse
+type PrepayResponse struct {
+	// 商户应用ID
+	Appid *string `json:"appid"`
+	// 直连商户号
+	Mchid *string `json:"mchid"`
+	// 商户订单号
+	OutTradeNo *string `json:"out_trade_no"`
+	//【微信支付订单号】 微信支付系统生成的订单号。
+	TransactionId *string `json:"transaction_id,omitempty"`
+	//易类型，如下： MICROPAY：付款码支付  FACEPAY：刷脸支付
+	TradeType *string `json:"trade_type,omitempty"`
+	//【银行类型】 银行类型，采用字符串类型的银行标识。
+	BankType *string `json:"bank_type,omitempty"`
+	// 支付完成时间
+	SuccessTime *string `json:"success_time,omitempty"`
+	//【交易状态】 交易状态，如下：
+	//* SUCCESS：支付成功
+	//* REFUND：转入退款
+	//* NOTPAY：未支付
+	//* REVOKED：已撤销
+	//* USERPAYING：用户支付中
+	//* PAYERROR：支付失败
+	TradeState *string `json:"trade_state"`
+	//交易状态描述
+	TradeStateDesc *string `json:"trade_state_desc,omitempty"`
+	// 附加数据，在返回消息和查单API中原样返回，可作为自定义参数使用，实际情况下只有支付完成状态才会返回该字段
+	Attach *string `json:"attach,omitempty"`
+	Payer  *Payer  `json:"payer"`
+	// 传入true时，支付成功消息和支付详情页将出现开票入口。需要在微信支付商户平台或微信公众平台开通电子发票功能，传此字段才可生效。
+	Amount *Amount `json:"amount"`
+	//优惠信息
+	PromotionDetail *payments.PromotionDetail `json:"promotion_detail,omitempty"`
+}
+
+func (o PrepayResponse) MarshalJSON() ([]byte, error) {
+	toSerialize := map[string]interface{}{}
+
+	if o.Appid == nil {
+		return nil, fmt.Errorf("field `Appid` is required and must be specified in PrepayRequest")
+	}
+	toSerialize["appid"] = o.Appid
+
+	if o.Mchid == nil {
+		return nil, fmt.Errorf("field `Mchid` is required and must be specified in PrepayRequest")
+	}
+	toSerialize["mchid"] = o.Mchid
+
+	if o.OutTradeNo == nil {
+		return nil, fmt.Errorf("field `OutTradeNo` is required and must be specified in PrepayRequest")
+	}
+	toSerialize["out_trade_no"] = o.OutTradeNo
+
+	toSerialize["transaction_id"] = o.TransactionId
+
+	if o.TradeType != nil {
+		toSerialize["trade_type"] = o.TradeType
+	}
+
+	if o.Attach != nil {
+		toSerialize["attach"] = o.Attach
+	}
+
+	if o.TradeStateDesc != nil {
+		toSerialize["trade_state_desc"] = o.TradeStateDesc
+	}
+
+	if o.BankType != nil {
+		toSerialize["bank_type"] = o.BankType
+	}
+
+	if o.Payer != nil {
+		toSerialize["payer"] = o.Payer
+	}
+
+	if o.SuccessTime != nil {
+		toSerialize["success_time"] = o.SuccessTime
+	}
+
+	if o.Amount != nil {
+		toSerialize["amount"] = o.Amount
+	}
+
+	if o.PromotionDetail != nil {
+		toSerialize["promotion_detail"] = o.PromotionDetail
+	}
+
+	return json.Marshal(toSerialize)
+}
+
+func (o PrepayResponse) String() string {
+	var ret string
+	if o.Appid == nil {
+		ret += "Appid:<nil>, "
+	} else {
+		ret += fmt.Sprintf("Appid:%v, ", *o.Appid)
+	}
+
+	if o.Mchid == nil {
+		ret += "Mchid:<nil>, "
+	} else {
+		ret += fmt.Sprintf("Mchid:%v, ", *o.Mchid)
+	}
+
+	if o.OutTradeNo == nil {
+		ret += "OutTradeNo:<nil>, "
+	} else {
+		ret += fmt.Sprintf("OutTradeNo:%v, ", *o.OutTradeNo)
+	}
+
+	if o.SuccessTime == nil {
+		ret += "SuccessTime:<nil>, "
+	} else {
+		ret += fmt.Sprintf("SuccessTime:%v, ", *o.SuccessTime)
+	}
+
+	if o.Attach == nil {
+		ret += "Attach:<nil>, "
+	} else {
+		ret += fmt.Sprintf("Attach:%v, ", *o.Attach)
+	}
+
+	ret += fmt.Sprintf("Payer:%v, ", o.Payer)
+
+	if o.PromotionDetail == nil {
+		ret += "SupportFapiao:<nil>, "
+	} else {
+		ret += fmt.Sprintf("PromotionDetail:%v, ", *o.PromotionDetail)
+	}
+
+	ret += fmt.Sprintf("Amount:%v, ", o.Amount)
+
+	ret += fmt.Sprintf("TradeState:%v, ", o.TradeState)
+
+	if o.TradeStateDesc == nil {
+		ret += "TradeStateDesc:<nil>, "
+	} else {
+		ret += fmt.Sprintf("TradeStateDesc:%v, ", *o.TradeStateDesc)
+	}
+
+	return fmt.Sprintf("PrepayResponse{%s}", ret)
+}
+
+func (o PrepayResponse) Clone() *PrepayResponse {
+	ret := PrepayResponse{}
+
+	if o.Appid != nil {
+		ret.Appid = new(string)
+		*ret.Appid = *o.Appid
+	}
+
+	if o.Mchid != nil {
+		ret.Mchid = new(string)
+		*ret.Mchid = *o.Mchid
+	}
+
+	if o.TransactionId != nil {
+		ret.TransactionId = new(string)
+		*ret.TransactionId = *o.TransactionId
+	}
+
+	if o.OutTradeNo != nil {
+		ret.OutTradeNo = new(string)
+		*ret.OutTradeNo = *o.OutTradeNo
+	}
+
+	if o.SuccessTime != nil {
+		ret.SuccessTime = new(string)
+		*ret.SuccessTime = *o.SuccessTime
+	}
+
+	if o.Attach != nil {
+		ret.Attach = new(string)
+		*ret.Attach = *o.Attach
+	}
+
+	if o.TradeType != nil {
+		ret.TradeType = new(string)
+		*ret.TradeType = *o.TradeType
+	}
+
+	if o.TradeState != nil {
+		ret.TradeState = new(string)
+		*ret.TradeState = *o.TradeState
+	}
+
+	if o.Payer != nil {
+		ret.Payer = o.Payer.Clone()
+	}
+
+	if o.TradeStateDesc != nil {
+		ret.TradeStateDesc = new(string)
+		*ret.TradeStateDesc = *o.TradeStateDesc
+	}
+
+	if o.Amount != nil {
+		ret.Amount = o.Amount.Clone()
+	}
+
+	if o.PromotionDetail != nil {
+		ret.PromotionDetail = o.PromotionDetail.Clone()
+	}
+
+	return &ret
+}
+
+// QueryOrderByIdRequest
+type QueryOrderByIdRequest struct {
+	TransactionId *string `json:"transaction_id"`
+	// 直连商户号
+	Mchid *string `json:"mchid"`
+}
+
+func (o QueryOrderByIdRequest) MarshalJSON() ([]byte, error) {
+	toSerialize := map[string]interface{}{}
+
+	if o.TransactionId == nil {
+		return nil, fmt.Errorf("field `TransactionId` is required and must be specified in QueryOrderByIdRequest")
+	}
+	toSerialize["transaction_id"] = o.TransactionId
+
+	if o.Mchid == nil {
+		return nil, fmt.Errorf("field `Mchid` is required and must be specified in QueryOrderByIdRequest")
+	}
+	toSerialize["mchid"] = o.Mchid
+	return json.Marshal(toSerialize)
+}
+
+func (o QueryOrderByIdRequest) String() string {
+	var ret string
+	if o.TransactionId == nil {
+		ret += "TransactionId:<nil>, "
+	} else {
+		ret += fmt.Sprintf("TransactionId:%v, ", *o.TransactionId)
+	}
+
+	if o.Mchid == nil {
+		ret += "Mchid:<nil>"
+	} else {
+		ret += fmt.Sprintf("Mchid:%v", *o.Mchid)
+	}
+
+	return fmt.Sprintf("QueryOrderByIdRequest{%s}", ret)
+}
+
+func (o QueryOrderByIdRequest) Clone() *QueryOrderByIdRequest {
+	ret := QueryOrderByIdRequest{}
+
+	if o.TransactionId != nil {
+		ret.TransactionId = new(string)
+		*ret.TransactionId = *o.TransactionId
+	}
+
+	if o.Mchid != nil {
+		ret.Mchid = new(string)
+		*ret.Mchid = *o.Mchid
+	}
+
+	return &ret
+}
+
+// QueryOrderByOutTradeNoRequest
+type QueryOrderByOutTradeNoRequest struct {
+	OutTradeNo *string `json:"out_trade_no"`
+	// 直连商户号
+	Mchid *string `json:"mchid"`
+}
+
+func (o QueryOrderByOutTradeNoRequest) MarshalJSON() ([]byte, error) {
+	toSerialize := map[string]interface{}{}
+
+	if o.OutTradeNo == nil {
+		return nil, fmt.Errorf("field `OutTradeNo` is required and must be specified in QueryOrderByOutTradeNoRequest")
+	}
+	toSerialize["out_trade_no"] = o.OutTradeNo
+
+	if o.Mchid == nil {
+		return nil, fmt.Errorf("field `Mchid` is required and must be specified in QueryOrderByOutTradeNoRequest")
+	}
+	toSerialize["mchid"] = o.Mchid
+	return json.Marshal(toSerialize)
+}
+
+func (o QueryOrderByOutTradeNoRequest) String() string {
+	var ret string
+	if o.OutTradeNo == nil {
+		ret += "OutTradeNo:<nil>, "
+	} else {
+		ret += fmt.Sprintf("OutTradeNo:%v, ", *o.OutTradeNo)
+	}
+
+	if o.Mchid == nil {
+		ret += "Mchid:<nil>"
+	} else {
+		ret += fmt.Sprintf("Mchid:%v", *o.Mchid)
+	}
+
+	return fmt.Sprintf("QueryOrderByOutTradeNoRequest{%s}", ret)
+}
+
+func (o QueryOrderByOutTradeNoRequest) Clone() *QueryOrderByOutTradeNoRequest {
+	ret := QueryOrderByOutTradeNoRequest{}
+
+	if o.OutTradeNo != nil {
+		ret.OutTradeNo = new(string)
+		*ret.OutTradeNo = *o.OutTradeNo
+	}
+
+	if o.Mchid != nil {
+		ret.Mchid = new(string)
+		*ret.Mchid = *o.Mchid
+	}
+
+	return &ret
+}
+
+// SceneInfo 支付场景描述
+type SceneInfo struct {
+	// 用户终端IP
+	PayerClientIp *string `json:"payer_client_ip"`
+	// 商户端设备号
+	DeviceId  *string    `json:"device_id,omitempty"`
+	StoreInfo *StoreInfo `json:"store_info,omitempty"`
+}
+
+func (o SceneInfo) MarshalJSON() ([]byte, error) {
+	toSerialize := map[string]interface{}{}
+
+	if o.PayerClientIp == nil {
+		return nil, fmt.Errorf("field `PayerClientIp` is required and must be specified in SceneInfo")
+	}
+	toSerialize["payer_client_ip"] = o.PayerClientIp
+
+	if o.DeviceId != nil {
+		toSerialize["device_id"] = o.DeviceId
+	}
+
+	if o.StoreInfo != nil {
+		toSerialize["store_info"] = o.StoreInfo
+	}
+	return json.Marshal(toSerialize)
+}
+
+func (o SceneInfo) String() string {
+	var ret string
+	if o.PayerClientIp == nil {
+		ret += "PayerClientIp:<nil>, "
+	} else {
+		ret += fmt.Sprintf("PayerClientIp:%v, ", *o.PayerClientIp)
+	}
+
+	if o.DeviceId == nil {
+		ret += "DeviceId:<nil>, "
+	} else {
+		ret += fmt.Sprintf("DeviceId:%v, ", *o.DeviceId)
+	}
+
+	ret += fmt.Sprintf("StoreInfo:%v", o.StoreInfo)
+
+	return fmt.Sprintf("SceneInfo{%s}", ret)
+}
+
+func (o SceneInfo) Clone() *SceneInfo {
+	ret := SceneInfo{}
+
+	if o.PayerClientIp != nil {
+		ret.PayerClientIp = new(string)
+		*ret.PayerClientIp = *o.PayerClientIp
+	}
+
+	if o.DeviceId != nil {
+		ret.DeviceId = new(string)
+		*ret.DeviceId = *o.DeviceId
+	}
+
+	if o.StoreInfo != nil {
+		ret.StoreInfo = o.StoreInfo.Clone()
+	}
+
+	return &ret
+}
+
+// SettleInfo
+type SettleInfo struct {
+	// 是否指定分账
+	ProfitSharing *bool `json:"profit_sharing,omitempty"`
+}
+
+func (o SettleInfo) MarshalJSON() ([]byte, error) {
+	toSerialize := map[string]interface{}{}
+
+	if o.ProfitSharing != nil {
+		toSerialize["profit_sharing"] = o.ProfitSharing
+	}
+	return json.Marshal(toSerialize)
+}
+
+func (o SettleInfo) String() string {
+	var ret string
+	if o.ProfitSharing == nil {
+		ret += "ProfitSharing:<nil>"
+	} else {
+		ret += fmt.Sprintf("ProfitSharing:%v", *o.ProfitSharing)
+	}
+
+	return fmt.Sprintf("SettleInfo{%s}", ret)
+}
+
+func (o SettleInfo) Clone() *SettleInfo {
+	ret := SettleInfo{}
+
+	if o.ProfitSharing != nil {
+		ret.ProfitSharing = new(bool)
+		*ret.ProfitSharing = *o.ProfitSharing
+	}
+
+	return &ret
+}
+
+// StoreInfo 商户门店信息
+type StoreInfo struct {
+	// 商户侧门店编号
+	Id *string `json:"id"`
+	// 商户侧门店名称
+	Name *string `json:"name,omitempty"`
+	// 地区编码，详细请见微信支付提供的文档
+	AreaCode *string `json:"area_code,omitempty"`
+	// 详细的商户门店地址
+	Address *string `json:"address,omitempty"`
+}
+
+func (o StoreInfo) MarshalJSON() ([]byte, error) {
+	toSerialize := map[string]interface{}{}
+
+	if o.Id == nil {
+		return nil, fmt.Errorf("field `Id` is required and must be specified in StoreInfo")
+	}
+	toSerialize["id"] = o.Id
+
+	if o.Name != nil {
+		toSerialize["name"] = o.Name
+	}
+
+	if o.AreaCode != nil {
+		toSerialize["area_code"] = o.AreaCode
+	}
+
+	if o.Address != nil {
+		toSerialize["address"] = o.Address
+	}
+	return json.Marshal(toSerialize)
+}
+
+func (o StoreInfo) String() string {
+	var ret string
+	if o.Id == nil {
+		ret += "Id:<nil>, "
+	} else {
+		ret += fmt.Sprintf("Id:%v, ", *o.Id)
+	}
+
+	if o.Name == nil {
+		ret += "Name:<nil>, "
+	} else {
+		ret += fmt.Sprintf("Name:%v, ", *o.Name)
+	}
+
+	if o.AreaCode == nil {
+		ret += "AreaCode:<nil>, "
+	} else {
+		ret += fmt.Sprintf("AreaCode:%v, ", *o.AreaCode)
+	}
+
+	if o.Address == nil {
+		ret += "Address:<nil>"
+	} else {
+		ret += fmt.Sprintf("Address:%v", *o.Address)
+	}
+
+	return fmt.Sprintf("StoreInfo{%s}", ret)
+}
+
+func (o StoreInfo) Clone() *StoreInfo {
+	ret := StoreInfo{}
+
+	if o.Id != nil {
+		ret.Id = new(string)
+		*ret.Id = *o.Id
+	}
+
+	if o.Name != nil {
+		ret.Name = new(string)
+		*ret.Name = *o.Name
+	}
+
+	if o.AreaCode != nil {
+		ret.AreaCode = new(string)
+		*ret.AreaCode = *o.AreaCode
+	}
+
+	if o.Address != nil {
+		ret.Address = new(string)
+		*ret.Address = *o.Address
+	}
+
+	return &ret
+}
+
+// Payer
+type Payer struct {
+	// 用户在商户appid下的唯一标识。
+	Openid *string `json:"openid,omitempty"`
+}
+
+func (o Payer) MarshalJSON() ([]byte, error) {
+	toSerialize := map[string]interface{}{}
+
+	if o.Openid != nil {
+		toSerialize["openid"] = o.Openid
+	}
+	return json.Marshal(toSerialize)
+}
+
+func (o Payer) String() string {
+	var ret string
+	if o.Openid == nil {
+		ret += "Openid:<nil>"
+	} else {
+		ret += fmt.Sprintf("Openid:%v", *o.Openid)
+	}
+
+	return fmt.Sprintf("Payer{%s}", ret)
+}
+
+func (o Payer) Clone() *Payer {
+	ret := Payer{}
+
+	if o.Openid != nil {
+		ret.Openid = new(string)
+		*ret.Openid = *o.Openid
+	}
+
+	return &ret
+}