diff --git a/intelligence_finance_v1/generate.md b/intelligence_finance_v1/generate.md
new file mode 100644
index 0000000..6d3f680
--- /dev/null
+++ b/intelligence_finance_v1/generate.md
@@ -0,0 +1,1307 @@
+// File: intelligence_finance_v1/go.mod
+```
+module intelligence_finance_v1
+
+go 1.21
+```
+
+// File: intelligence_finance_v1/crypto.go
+```go
+package intelligence_finance_v1
+
+import (
+	"crypto/hmac"
+	"crypto/rand"
+	"crypto/sha256"
+	"encoding/base64"
+	"fmt"
+	"math/big"
+	"sort"
+	"strings"
+	"time"
+)
+
+// GenerateTimestamp 生成秒级时间戳字符串
+func GenerateTimestamp() string {
+	return fmt.Sprintf("%d", time.Now().Unix())
+}
+
+// GenerateNonce 生成指定长度的加密安全随机字符串
+func GenerateNonce(length int) (string, error) {
+	const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
+	b := make([]byte, length)
+	for i := range b {
+		num, err := rand.Int(rand.Reader, big.NewInt(int64(len(charset))))
+		if err != nil {
+			return "", err
+		}
+		b[i] = charset[num.Int64()]
+	}
+	return string(b), nil
+}
+
+// HmacSHA256Base64 使用HmacSHA256算法对数据进行签名，返回Base64编码结果
+func HmacSHA256Base64(secret, data string) string {
+	mac := hmac.New(sha256.New, []byte(secret))
+	mac.Write([]byte(data))
+	return base64.StdEncoding.EncodeToString(mac.Sum(nil))
+}
+
+// BuildSignString 按字典序排序拼接参数（排除空值和签名字段）
+func BuildSignString(params map[string]string) string {
+	keys := make([]string, 0, len(params))
+	for k, v := range params {
+		if v != "" && k != "sign" && k != "signature" && k != "x-bfl-signature" {
+			keys = append(keys, k)
+		}
+	}
+	sort.Strings(keys)
+
+	var parts []string
+	for _, k := range keys {
+		parts = append(parts, fmt.Sprintf("%s=%s", k, params[k]))
+	}
+	return strings.Join(parts, "&")
+}
+
+// BuildSignStringOrdered 按固定顺序拼接参数
+func BuildSignStringOrdered(params map[string]string, orderedKeys []string) string {
+	var parts []string
+	for _, k := range orderedKeys {
+		if v, ok := params[k]; ok && v != "" {
+			parts = append(parts, fmt.Sprintf("%s=%s", k, v))
+		}
+	}
+	return strings.Join(parts, "&")
+}
+```
+
+// File: intelligence_finance_v1/types.go
+```go
+package intelligence_finance_v1
+
+// ============================================================
+// 通用请求/响应结构
+// ============================================================
+
+// CommonResponse 通用API响应结构
+type CommonResponse struct {
+	Code int         `json:"code"`
+	Msg  string      `json:"msg,omitempty"`
+	Data interface{} `json:"data,omitempty"`
+}
+
+// NotificationRequest 回调通知请求结构
+type NotificationRequest struct {
+	BizType string `json:"bizType"`
+	BizID   string `json:"bizId"`
+	Data    string `json:"data,omitempty"`
+}
+
+// ============================================================
+// 接口1：订单开票请求/响应
+// ============================================================
+
+// CreateInvoiceRequest 提交订单开票申请请求
+type CreateInvoiceRequest struct {
+	CompanyCode    string              `json:"companyCode,omitempty"`
+	OrderID        string              `json:"orderId"`
+	InvoiceType    int                 `json:"invoiceType"`
+	Products       []InvoiceProduct    `json:"products"`
+	Remark         string              `json:"remark,omitempty"`
+	Purchaser      string              `json:"purchaser"`
+	TaxNum         string              `json:"taxnum,omitempty"`
+	PurchaserAddr  string              `json:"purchaserAddress,omitempty"`
+	PurchaserTel   string              `json:"purchaserTel,omitempty"`
+	BankName       string              `json:"bankName,omitempty"`
+	BankAccount    string              `json:"bankAccount,omitempty"`
+	Phone          string              `json:"phone,omitempty"`
+	Email          string              `json:"email,omitempty"`
+	ApplyPerson    string              `json:"applyPerson,omitempty"`
+	Payee          string              `json:"payee,omitempty"`
+	Reviewer       string              `json:"reviewer,omitempty"`
+	InvoiceRemark  string              `json:"invoiceRemark,omitempty"`
+	NaturalPerson  string              `json:"naturalPerson,omitempty"`
+	AdditionInfo   string              `json:"additionInfo,omitempty"`
+}
+
+// InvoiceProduct 货物/服务明细
+type InvoiceProduct struct {
+	ProductName     string  `json:"productName"`
+	RevenueCode     string  `json:"revenueCode"`
+	AmountIncludeTax float64 `json:"amountIncludeTax"`
+	Specs           string  `json:"specs,omitempty"`
+	Unit            string  `json:"unit,omitempty"`
+	Quantity        float64 `json:"quantity"`
+	Discount        float64 `json:"discount,omitempty"`
+	TaxSign         int     `json:"taxSign,omitempty"`
+	TaxRate         float64 `json:"taxRate,omitempty"`
+}
+
+// CreateInvoiceResponse 提交订单开票申请响应
+type CreateInvoiceResponse struct {
+	Status    int              `json:"status"`
+	ErrorMsg  string           `json:"errorMsg,omitempty"`
+	DataList  []InvoiceData   `json:"dataList"`
+}
+
+// InvoiceData 发票数据
+type InvoiceData struct {
+	DeviceCode          string            `json:"deviceCode"`
+	Drawer              string            `json:"drawer"`
+	Email               string            `json:"email"`
+	InvoiceType         string            `json:"invoiceType"`
+	IssueType           string            `json:"issueType"`
+	ListFlag            string            `json:"listFlag"`
+	Mobile              string            `json:"mobile"`
+	OriginalInvCode     string            `json:"originalInvCode,omitempty"`
+	OriginalInvNo       string            `json:"originalInvNo,omitempty"`
+	AdditionInfo        string            `json:"additionInfo,omitempty"`
+	Payee               string            `json:"payee"`
+	PurchaserAddress    string            `json:"purchaserAddress"`
+	PurchaserBankAccount string           `json:"purchaserBankAccount"`
+	PurchaserBankName   string            `json:"purchaserBankName"`
+	PurchaserName       string            `json:"purchaserName"`
+	PurchaserTaxNo      string            `json:"purchaserTaxNo"`
+	PurchaserTel        string            `json:"purchaserTel"`
+	NaturalPerson       string            `json:"naturalPerson,omitempty"`
+	Remark              string            `json:"remark"`
+	Reviewer            string            `json:"reviewer"`
+	SellerAddress       string            `json:"sellerAddress,omitempty"`
+	SellerBankAccount   string            `json:"sellerBankAccount"`
+	SellerBankName      string            `json:"sellerBankName"`
+	SellerName          string            `json:"sellerName"`
+	CheckCode           string            `json:"checkCode"`
+	CipherText          string            `json:"cipherText"`
+	DrewDate            string            `json:"drewDate,omitempty"`
+	InvoiceCode         string            `json:"invoiceCode"`
+	InvoiceNo           string            `json:"invoiceNo"`
+	InvoiceStatus       string            `json:"invoiceStatus"`
+	LayoutFileURL       string            `json:"layoutFileUrl,omitempty"`
+	PdfURL              string            `json:"pdfUrl,omitempty"`
+	OfdURL              string            `json:"ofdUrl,omitempty"`
+	XmlURL              string            `json:"xmlUrl,omitempty"`
+	TotalExcludeTax     string            `json:"totalExcludeTax"`
+	TotalIncludeTax     string            `json:"totalIncludeTax"`
+	TotalTaxAmount      string            `json:"totalTaxAmount"`
+	LevyingType         string            `json:"levyingType"`
+	Details             []InvoiceDetail   `json:"details"`
+}
+
+// InvoiceDetail 商品明细
+type InvoiceDetail struct {
+	Amount             string `json:"amount,omitempty"`
+	Quantity           string `json:"quantity,omitempty"`
+	DeductionAmount    string `json:"deductionAmount,omitempty"`
+	TaxAmount          string `json:"taxAmount,omitempty"`
+	ItemTitle          string `json:"itemTitle"`
+	TaxCode            string `json:"taxCode"`
+	ItemType           string `json:"itemType"`
+	ItemName           string `json:"itemName"`
+	Specs              string `json:"specs,omitempty"`
+	TaxFreePolicy      string `json:"taxFreePolicy"`
+	PreferentialPolicy string `json:"preferentialPolicy"`
+	TaxRate            string `json:"taxRate"`
+	TaxSign            string `json:"taxSign"`
+	Unit               string `json:"unit,omitempty"`
+	UnitPrice          string `json:"unitPrice,omitempty"`
+}
+
+// ============================================================
+// 接口2：开票状态查询请求/响应
+// ============================================================
+
+// QueryInvoiceStatusRequest 查询订单开票状态请求
+type QueryInvoiceStatusRequest struct {
+	OrderID string `json:"orderId"`
+}
+
+// QueryInvoiceStatusResponse 查询订单开票状态响应
+type QueryInvoiceStatusResponse struct {
+	Status  int            `json:"status"`
+	Message string         `json:"message"`
+	Data    []InvoiceData  `json:"data"`
+}
+
+// ============================================================
+// 接口3：创建付款单据请求/响应
+// ============================================================
+
+// CreatePaymentRequest 创建付款单据请求
+type CreatePaymentRequest struct {
+	Code                     string              `json:"code"`
+	YidaAppType              string              `json:"yidaAppType,omitempty"`
+	EmpAccountUserID         string              `json:"empAccountUserId,omitempty"`
+	Department               *Department         `json:"department,omitempty"`
+	Usage                    string              `json:"usage,omitempty"`
+	PaymentUserID            string              `json:"paymentUserId,omitempty"`
+	Customer                 *Customer           `json:"customer,omitempty"`
+	PrincipalID              string              `json:"principalId,omitempty"`
+	Remark                   string              `json:"remark,omitempty"`
+	Supplier                 *Supplier           `json:"supplier,omitempty"`
+	Title                    string              `json:"title,omitempty"`
+	Project                  *Project            `json:"project,omitempty"`
+	PaymentUserIDListStr     string              `json:"paymentUserIdListStr,omitempty"`
+	NeedPayment              bool                `json:"needPayment,omitempty"`
+	PaymentDetailListJsonStr string              `json:"paymentDetailListJsonStr,omitempty"`
+	PaymentDetailList        []PaymentDetail     `json:"paymentDetailList,omitempty"`
+	Company                  *Company            `json:"company,omitempty"`
+	Amount                   string              `json:"amount,omitempty"`
+	RecipientAccountInfo     *RecipientAccount   `json:"recipientAccountInfo,omitempty"`
+	EnterpriseAccount        *EnterpriseAccount  `json:"enterpriseAccount,omitempty"`
+	Category                 []Category          `json:"category,omitempty"`
+	UserID                   string              `json:"userId"`
+	OccurDate                int64               `json:"occurDate,omitempty"`
+	Product                  *Product            `json:"product,omitempty"`
+	YidaFormUUID             string              `json:"yidaFormUuid,omitempty"`
+	CanEditPaymentInfo       bool                `json:"canEditPaymentInfo,omitempty"`
+	PaymentUserIDList        []string            `json:"paymentUserIdList,omitempty"`
+	YidaProcInsID            string              `json:"yidaProcInsId,omitempty"`
+	SyncPaymentOrder         bool                `json:"syncPaymentOrder,omitempty"`
+}
+
+// Department 部门信息
+type Department struct {
+	Code string `json:"code,omitempty"`
+	Name string `json:"name"`
+}
+
+// Customer 客户信息
+type Customer struct {
+	Code string `json:"code,omitempty"`
+	Name string `json:"name"`
+}
+
+// Supplier 供应商信息
+type Supplier struct {
+	Code string `json:"code,omitempty"`
+	Name string `json:"name"`
+}
+
+// Project 项目信息
+type Project struct {
+	Code string `json:"code,omitempty"`
+	Name string `json:"name"`
+}
+
+// Category 收支类别信息
+type Category struct {
+	Code string `json:"code,omitempty"`
+	Name string `json:"name"`
+}
+
+// Product 商品信息
+type Product struct {
+	Code string `json:"code,omitempty"`
+	Name string `json:"name"`
+}
+
+// Company 企业主体信息
+type Company struct {
+	Code string `json:"code,omitempty"`
+	Name string `json:"name"`
+}
+
+// EnterpriseAccount 企业账号信息
+type EnterpriseAccount struct {
+	EnterpriseAccountCode string `json:"enterpriseAccountCode,omitempty"`
+	AccountCategory       string `json:"accountCategory"`
+	AccountType           string `json:"accountType,omitempty"`
+	CardNo                string `json:"cardNo,omitempty"`
+	AccountName           string `json:"accountName,omitempty"`
+	OfficialNumber        string `json:"officialNumber,omitempty"`
+	OfficialName          string `json:"officialName,omitempty"`
+	Name                  string `json:"name,omitempty"`
+	Code                  string `json:"code,omitempty"`
+	City                  string `json:"city,omitempty"`
+	Province              string `json:"province,omitempty"`
+}
+
+// RecipientAccount 收款账户信息
+type RecipientAccount struct {
+	AccountCategory string `json:"accountCategory"`
+	AccountType     string `json:"accountType,omitempty"`
+	CardNo          string `json:"cardNo,omitempty"`
+	AccountName     string `json:"accountName,omitempty"`
+}
+
+// PaymentDetail 付款明细
+type PaymentDetail struct {
+	Amount       string       `json:"amount,omitempty"`
+	InvoiceInfo  *InvoiceInfo `json:"invoiceInfo,omitempty"`
+	ProductCode  string       `json:"productCode,omitempty"`
+	ProjectCode  string       `json:"projectCode,omitempty"`
+	Remark       string       `json:"remark,omitempty"`
+	PrincipalID  string       `json:"principalId,omitempty"`
+	Tax          string       `json:"tax,omitempty"`
+}
+
+// InvoiceInfo 付款明细发票信息
+type InvoiceInfo struct {
+	InvoiceNo   string `json:"invoiceNo,omitempty"`
+	InvoiceCode string `json:"invoiceCode,omitempty"`
+}
+
+// CreatePaymentResponse 创建付款单据响应
+type CreatePaymentResponse struct {
+	Code string `json:"code"`
+}
+
+// ============================================================
+// 接口4：支付完成通知（平台回调）
+// ============================================================
+
+// PaymentNotification 支付完成通知数据结构
+type PaymentNotification struct {
+	Code                string                `json:"code"`
+	InstanceID          string                `json:"instanceId"`
+	CorpID              string                `json:"corpId"`
+	PaymentStatus       string                `json:"paymentStatus"`
+	PaymentTime         string                `json:"paymentTime"`
+	UserID              string                `json:"userId"`
+	FailReason          string                `json:"failReason,omitempty"`
+	PayerAccountInfo    *PayerAccountInfo     `json:"payerAccountInfo,omitempty"`
+	PayeeAccountInfo    *PayeeAccountInfo     `json:"payeeAccountInfo,omitempty"`
+	RelatedRowNumberList []string             `json:"relatedRowNumberList,omitempty"`
+	Source              string                `json:"source,omitempty"`
+	Template            string                `json:"template,omitempty"`
+	Amount              string                `json:"amount,omitempty"`
+}
+
+// PayerAccountInfo 付款账户信息
+type PayerAccountInfo struct {
+	BankOpenDTO          *BankOpenDTO `json:"bankOpenDTO,omitempty"`
+	EnterpriseAccountCode string      `json:"enterpriseAccountCode,omitempty"`
+	AccountType          string       `json:"accountType,omitempty"`
+}
+
+// PayeeAccountInfo 收款账户信息
+type PayeeAccountInfo struct {
+	BankOpenDTO *BankOpenDTO `json:"bankOpenDTO,omitempty"`
+}
+
+// BankOpenDTO 银行信息
+type BankOpenDTO struct {
+	BankCode       string `json:"bankCode,omitempty"`
+	BankName       string `json:"bankName,omitempty"`
+	BankBranchCode string `json:"bankBranchCode,omitempty"`
+	BankBranchName string `json:"bankBranchName,omitempty"`
+	AccountName    string `json:"accountName,omitempty"`
+	BankCardNo     string `json:"bankCardNo,omitempty"`
+	Type           string `json:"type,omitempty"`
+}
+
+// ============================================================
+// 接口5：支付状态查询请求/响应
+// ============================================================
+
+// QueryPaymentStatusRequest 查询支付状态请求
+type QueryPaymentStatusRequest struct {
+	Code   string `json:"code"`
+	UserID string `json:"userId"`
+}
+
+// QueryPaymentStatusResponse 查询支付状态响应（与PaymentNotification结构一致）
+type QueryPaymentStatusResponse struct {
+	PaymentNotification
+}
+
+// ============================================================
+// 接口6：创建供应商请求/响应
+// ============================================================
+
+// CreateSupplierRequest 创建供应商请求
+type CreateSupplierRequest struct {
+	InvokeID string              `json:"invokeId,omitempty"`
+	UserID   string              `json:"userId"`
+	Data     string              `json:"data,omitempty"`
+	BizType  string              `json:"bizType"`
+}
+
+// CreateSupplierBizData 创建供应商业务数据
+type CreateSupplierBizData struct {
+	CorpID       string         `json:"corpId"`
+	Creator      string         `json:"creator"`
+	SupplierInfo *SupplierInfo  `json:"supplierInfo,omitempty"`
+}
+
+// SupplierInfo 供应商数据
+type SupplierInfo struct {
+	Name                     string `json:"name"`
+	CorpID                   string `json:"corpId"`
+	UserDefineCode           string `json:"userDefineCode,omitempty"`
+	Description              string `json:"description,omitempty"`
+	ContactAddress           string `json:"contactAddress,omitempty"`
+	ContactCompanyTelephone  string `json:"contactCompanyTelephone,omitempty"`
+	ContactEmail             string `json:"contactEmail,omitempty"`
+	ContactName              string `json:"contactName,omitempty"`
+	ContactTelephone         string `json:"contactTelephone,omitempty"`
+	Creator                  string `json:"creator"`
+	InvoiceAccount           string `json:"invoiceAccount,omitempty"`
+	InvoiceAddress           string `json:"invoiceAddress,omitempty"`
+	InvoiceBankName          string `json:"invoiceBankName,omitempty"`
+	InvoiceName              string `json:"invoiceName,omitempty"`
+	InvoiceTaxNo             string `json:"invoiceTaxNo,omitempty"`
+	PurchaserTel             string `json:"purchaserTel,omitempty"`
+	BankName                 string `json:"bankName,omitempty"`
+	InvoiceTelephone         string `json:"invoiceTelephone,omitempty"`
+	AccountName              string `json:"accountName,omitempty"`
+	AccountType              string `json:"accountType,omitempty"`
+}
+
+// CreateSupplierResponse 创建供应商响应
+type CreateSupplierResponse struct {
+	InvokeID string                    `json:"invokeId,omitempty"`
+	BizType  string                    `json:"bizType"`
+	Data     string                    `json:"data,omitempty"`
+}
+
+// CreateSupplierResponseData 创建供应商响应数据
+type CreateSupplierResponseData struct {
+	Result  string `json:"result,omitempty"`
+	Success bool   `json:"success"`
+}
+
+// SupplierInfoResponse 供应商信息（响应）
+type SupplierInfoResponse struct {
+	SupplierID              string `json:"supplierId"`
+	SupplierName            string `json:"supplierName"`
+	Name                    string `json:"name"`
+	CorpID                  string `json:"corpId"`
+	UserDefineCode          string `json:"userDefineCode,omitempty"`
+	Description             string `json:"description,omitempty"`
+	ContactAddress          string `json:"contactAddress,omitempty"`
+	ContactCompanyTelephone string `json:"contactCompanyTelephone,omitempty"`
+	ContactEmail            string `json:"contactEmail,omitempty"`
+	ContactName             string `json:"contactName,omitempty"`
+	ContactTelephone        string `json:"contactTelephone,omitempty"`
+	Creator                 string `json:"creator"`
+	InvoiceAccount          string `json:"invoiceAccount,omitempty"`
+	InvoiceAddress          string `json:"invoiceAddress,omitempty"`
+	InvoiceBankName         string `json:"invoiceBankName,omitempty"`
+}
+
+// ============================================================
+// 接口7：根据名称查询供应商请求/响应
+// ============================================================
+
+// QuerySupplierByNameRequest 根据名称查询供应商请求
+type QuerySupplierByNameRequest struct {
+	InvokeID string                    `json:"invokeId,omitempty"`
+	UserID   string                    `json:"userId"`
+	Data     string                    `json:"data,omitempty"`
+	BizType  string                    `json:"bizType"`
+}
+
+// QuerySupplierByNameBizData 根据名称查询供应商业务数据
+type QuerySupplierByNameBizData struct {
+	CorpID string `json:"corpId"`
+	Name   string `json:"name"`
+}
+
+// QuerySupplierByNameResponse 根据名称查询供应商响应
+type QuerySupplierByNameResponse struct {
+	InvokeID string                    `json:"invokeId,omitempty"`
+	BizType  string                    `json:"bizType"`
+	Data     string                    `json:"data,omitempty"`
+	Result   string                    `json:"result,omitempty"`
+	Success  bool                      `json:"success"`
+}
+
+// QuerySupplierByNameResult 供应商查询结果重要字段
+type QuerySupplierByNameResult struct {
+	SupplierName            string `json:"supplierName"`
+	UserDefineCode          string `json:"userDefineCode,omitempty"`
+	InvoiceName             string `json:"invoiceName,omitempty"`
+	SupplierID              string `json:"supplierId"`
+	CorpID                  string `json:"corpId"`
+	ContactTelephone        string `json:"contactTelephone,omitempty"`
+	ContactEmail            string `json:"contactEmail,omitempty"`
+	ContactName             string `json:"contactName,omitempty"`
+	InvoiceBankName         string `json:"invoiceBankName,omitempty"`
+	InvoiceAccount          string `json:"invoiceAccount,omitempty"`
+	Description             string `json:"description,omitempty"`
+	InvoiceAddress          string `json:"invoiceAddress,omitempty"`
+	InvoiceTaxNo            string `json:"invoiceTaxNo,omitempty"`
+	ContactCompanyTelephone string `json:"contactCompanyTelephone,omitempty"`
+	CreateTime              int64  `json:"createTime,omitempty"`
+	InvoiceTelephone        string `json:"invoiceTelephone,omitempty"`
+	ContactAddress          string `json:"contactAddress,omitempty"`
+}
+
+// ============================================================
+// 接口8：更新供应商请求/响应
+// ============================================================
+
+// UpdateSupplierRequest 更新供应商请求
+type UpdateSupplierRequest struct {
+	InvokeID string                  `json:"invokeId,omitempty"`
+	UserID   string                  `json:"userId"`
+	Data     string                  `json:"data,omitempty"`
+	BizType  string                  `json:"bizType"`
+}
+
+// UpdateSupplierBizData 更新供应商业务数据
+type UpdateSupplierBizData struct {
+	SupplierID              string `json:"supplierId"`
+	Name                    string `json:"name"`
+	CorpID                  string `json:"corpId"`
+	UserDefineCode          string `json:"userDefineCode,omitempty"`
+	Description             string `json:"description,omitempty"`
+	ContactAddress          string `json:"contactAddress,omitempty"`
+	ContactCompanyTelephone string `json:"contactCompanyTelephone,omitempty"`
+	ContactEmail            string `json:"contactEmail,omitempty"`
+	ContactName             string `json:"contactName,omitempty"`
+	ContactTelephone        string `json:"contactTelephone,omitempty"`
+	UserID                  string `json:"userId"`
+	InvoiceAccount          string `json:"invoiceAccount,omitempty"`
+	InvoiceAddress          string `json:"invoiceAddress,omitempty"`
+	InvoiceBankName         string `json:"invoiceBankName,omitempty"`
+	InvoiceName             string `json:"invoiceName,omitempty"`
+	InvoiceTaxNo            string `json:"invoiceTaxNo,omitempty"`
+	PurchaserTel            string `json:"purchaserTel,omitempty"`
+	BankName                string `json:"bankName,omitempty"`
+	InvoiceTelephone        string `json:"invoiceTelephone,omitempty"`
+	AccountName             string `json:"accountName,omitempty"`
+	AccountType             string `json:"accountType,omitempty"`
+	BankBranchCode          string `json:"bankBranchCode,omitempty"`
+	BankCode                string `json:"bankCode,omitempty"`
+	BankCity                string `json:"bankCity,omitempty"`
+	BankProvince            string `json:"bankProvince,omitempty"`
+}
+
+// UpdateSupplierResponse 更新供应商响应
+type UpdateSupplierResponse struct {
+	InvokeID string                    `json:"invokeId,omitempty"`
+	BizType  string                    `json:"bizType"`
+	Data     string                    `json:"data,omitempty"`
+}
+
+// UpdateSupplierResponseData 更新供应商响应数据
+type UpdateSupplierResponseData struct {
+	Result  string `json:"result,omitempty"`
+	Success bool   `json:"success"`
+}
+
+// ============================================================
+// 接口9：根据用户自定义编码查询供应商请求/响应
+// ============================================================
+
+// QuerySupplierByUserDefineCodeRequest 根据用户自定义编码查询供应商请求
+type QuerySupplierByUserDefineCodeRequest struct {
+	InvokeID string   `json:"invokeId,omitempty"`
+	UserID   string   `json:"userId"`
+	Data     string   `json:"data,omitempty"`
+	BizType  string   `json:"bizType"`
+}
+
+// QuerySupplierByUserDefineCodeBizData 根据自定义编码查询供应商业务数据
+type QuerySupplierByUserDefineCodeBizData struct {
+	CorpID         string `json:"corpId"`
+	UserDefineCode string `json:"userDefineCode"`
+}
+
+// QuerySupplierByUserDefineCodeResponse 根据自定义编码查询供应商响应
+type QuerySupplierByUserDefineCodeResponse struct {
+	InvokeID string                               `json:"invokeId,omitempty"`
+	BizType  string                               `json:"bizType"`
+	Data     string                               `json:"data,omitempty"`
+}
+
+// QuerySupplierByUserDefineCodeResponseData 响应数据
+type QuerySupplierByUserDefineCodeResponseData struct {
+	Success bool `json:"success"`
+}
+
+// QuerySupplierByUserDefineCodeResult 供应商查询结果重要字段
+type QuerySupplierByUserDefineCodeResult struct {
+	UserDefineCode string `json:"userDefineCode"`
+	SupplierName   string `json:"supplierName"`
+	ModifiedTime   int64  `json:"modifiedTime,omitempty"`
+	Creator        string `json:"creator,omitempty"`
+	SupplierID     string `json:"supplierId"`
+	Code           string `json:"code,omitempty"`
+	CorpID         string `json:"corpId"`
+	CreateTime     int64  `json:"createTime,omitempty"`
+	Name           string `json:"name"`
+	ID             int64  `json:"id,omitempty"`
+	Status         string `json:"status,omitempty"`
+}
+```
+
+// File: intelligence_finance_v1/errors.go
+```go
+package intelligence_finance_v1
+
+import "fmt"
+
+// SDKError SDK通用错误类型
+type SDKError struct {
+	Code    int    `json:"code"`
+	Message string `json:"message"`
+	Err     error  `json:"-"`
+}
+
+// Error 实现error接口
+func (e *SDKError) Error() string {
+	if e.Err != nil {
+		return fmt.Sprintf("code=%d, message=%s, err=%v", e.Code, e.Message, e.Err)
+	}
+	return fmt.Sprintf("code=%d, message=%s", e.Code, e.Message)
+}
+
+// Unwrap 返回包装的错误
+func (e *SDKError) Unwrap() error {
+	return e.Err
+}
+
+// NewSDKError 创建SDK错误
+func NewSDKError(code int, message string, err error) *SDKError {
+	return &SDKError{
+		Code:    code,
+		Message: message,
+		Err:     err,
+	}
+}
+
+// 预定义错误码
+const (
+	ErrCodeSuccess          = 0
+	ErrCodeUnknown          = -1
+	ErrCodeInvalidParam     = 1001
+	ErrCodeSignatureFailed  = 1002
+	ErrCodeNetworkError     = 1003
+	ErrCodeRequestTimeout   = 1004
+	ErrCodeServerError      = 2001
+	ErrCodeUnauthorized     = 2002
+	ErrCodeNotFound         = 2003
+	ErrCodeRateLimit        = 2004
+)
+
+// 预定义错误
+var (
+	ErrUnknown        = NewSDKError(ErrCodeUnknown, "未知错误", nil)
+	ErrInvalidParam   = NewSDKError(ErrCodeInvalidParam, "参数无效", nil)
+	ErrSignatureFailed = NewSDKError(ErrCodeSignatureFailed, "签名失败", nil)
+	ErrNetworkError   = NewSDKError(ErrCodeNetworkError, "网络错误", nil)
+	ErrRequestTimeout = NewSDKError(ErrCodeRequestTimeout, "请求超时", nil)
+	ErrServerError    = NewSDKError(ErrCodeServerError, "服务端错误", nil)
+	ErrUnauthorized   = NewSDKError(ErrCodeUnauthorized, "未授权", nil)
+	ErrNotFound       = NewSDKError(ErrCodeNotFound, "未找到", nil)
+	ErrRateLimit      = NewSDKError(ErrCodeRateLimit, "请求频率限制", nil)
+)
+```
+
+// File: intelligence_finance_v1/client.go
+```go
+package intelligence_finance_v1
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+)
+
+// Client 业财连接SDK客户端
+type Client struct {
+	baseURL      string
+	tenantID     string
+	clientID     string
+	clientSecret string
+	httpClient   *http.Client
+	debug        bool
+}
+
+// ClientOption 客户端配置选项
+type ClientOption func(*Client)
+
+// WithHTTPClient 设置自定义HTTP客户端
+func WithHTTPClient(httpClient *http.Client) ClientOption {
+	return func(c *Client) {
+		c.httpClient = httpClient
+	}
+}
+
+// WithDebug 开启调试模式
+func WithDebug(debug bool) ClientOption {
+	return func(c *Client) {
+		c.debug = debug
+	}
+}
+
+// WithTimeout 设置请求超时时间
+func WithTimeout(timeout time.Duration) ClientOption {
+	return func(c *Client) {
+		c.httpClient.Timeout = timeout
+	}
+}
+
+// NewClient 创建新的SDK客户端
+//   - baseURL: API基础地址
+//   - tenantID: 平台分配的租户唯一标识
+//   - clientID: 平台分配的应用标识
+//   - clientSecret: 平台分配的客户端密钥
+//   - opts: 可选配置项
+func NewClient(baseURL, tenantID, clientID, clientSecret string, opts ...ClientOption) *Client {
+	c := &Client{
+		baseURL:      baseURL,
+		tenantID:     tenantID,
+		clientID:     clientID,
+		clientSecret: clientSecret,
+		httpClient: &http.Client{
+			Timeout: 30 * time.Second,
+		},
+	}
+	for _, opt := range opts {
+		opt(c)
+	}
+	return c
+}
+
+// doRequest 发送HTTP请求，自动添加签名和认证头
+func (c *Client) doRequest(ctx context.Context, path string, request interface{}, response interface{}) error {
+	bodyBytes, err := json.Marshal(request)
+	if err != nil {
+		return NewSDKError(ErrCodeInvalidParam, "请求序列化失败", err)
+	}
+
+	if c.debug {
+		fmt.Printf("[DEBUG] Request URL: %s%s\n", c.baseURL, path)
+		fmt.Printf("[DEBUG] Request Body: %s\n", string(bodyBytes))
+	}
+
+	// 生成时间戳和随机数
+	timestamp := GenerateTimestamp()
+	nonce, err := GenerateNonce(16)
+	if err != nil {
+		return NewSDKError(ErrCodeSignatureFailed, "生成随机数失败", err)
+	}
+
+	// 签名数据：timestamp + nonce
+	signData := timestamp + nonce
+	signature := HmacSHA256Base64(c.clientSecret, signData)
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.baseURL+path, bytes.NewReader(bodyBytes))
+	if err != nil {
+		return NewSDKError(ErrCodeNetworkError, "创建请求失败", err)
+	}
+
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("tenant-id", c.tenantID)
+	req.Header.Set("client-id", c.clientID)
+	req.Header.Set("x-bfl-signature-timestamp", timestamp)
+	req.Header.Set("x-bfl-signature-nonce", nonce)
+	req.Header.Set("x-bfl-signature", signature)
+
+	if c.debug {
+		fmt.Printf("[DEBUG] Headers: tenant-id=%s, client-id=%s, x-bfl-signature=%s\n", c.tenantID, c.clientID, signature)
+	}
+
+	resp, err := c.httpClient.Do(req)
+	if err != nil {
+		return NewSDKError(ErrCodeNetworkError, "请求发送失败", err)
+	}
+	defer resp.Body.Close()
+
+	respBody, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return NewSDKError(ErrCodeNetworkError, "读取响应失败", err)
+	}
+
+	if c.debug {
+		fmt.Printf("[DEBUG] Response Status: %s\n", resp.Status)
+		fmt.Printf("[DEBUG] Response Body: %s\n", string(respBody))
+	}
+
+	// 解析通用响应
+	var commonResp CommonResponse
+	if err := json.Unmarshal(respBody, &commonResp); err != nil {
+		return NewSDKError(ErrCodeUnknown, "响应解析失败", err)
+	}
+
+	if commonResp.Code != 0 {
+		return NewSDKError(commonResp.Code, commonResp.Msg, nil)
+	}
+
+	// 如果有data字段且response不为nil，反序列化data到response
+	if commonResp.Data != nil && response != nil {
+		dataBytes, err := json.Marshal(commonResp.Data)
+		if err != nil {
+			return NewSDKError(ErrCodeUnknown, "响应数据序列化失败", err)
+		}
+		if err := json.Unmarshal(dataBytes, response); err != nil {
+			return NewSDKError(ErrCodeUnknown, "响应数据解析失败", err)
+		}
+	}
+
+	return nil
+}
+
+// ============================================================
+// 接口1：订单开票
+// ============================================================
+
+// CreateInvoice 提交订单开票申请
+// 文档：接口1 - 提交订单开票申请
+func (c *Client) CreateInvoice(ctx context.Context, req *CreateInvoiceRequest) (*CreateInvoiceResponse, error) {
+	path := "/api/v1/invoice/create"
+	var resp CreateInvoiceResponse
+	if err := c.doRequest(ctx, path, req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// ============================================================
+// 接口2：开票状态查询
+// ============================================================
+
+// QueryInvoiceStatus 查询订单开票状态
+// 文档：接口2 - 查询订单开票状态
+func (c *Client) QueryInvoiceStatus(ctx context.Context, req *QueryInvoiceStatusRequest) (*QueryInvoiceStatusResponse, error) {
+	path := "/api/v1/invoice/query"
+	var resp QueryInvoiceStatusResponse
+	if err := c.doRequest(ctx, path, req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// ============================================================
+// 接口3：创建付款单据
+// ============================================================
+
+// CreatePayment 创建付款单据
+// 文档：接口3 - 创建付款单据
+func (c *Client) CreatePayment(ctx context.Context, req *CreatePaymentRequest) (*CreatePaymentResponse, error) {
+	path := "/api/v1/payment/create"
+	var resp CreatePaymentResponse
+	if err := c.doRequest(ctx, path, req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// ============================================================
+// 接口4：支付完成通知（平台回调客户）
+// 此接口由客户提供，平台调用。客户需实现HTTP Handler处理回调。
+// ============================================================
+
+// HandlePaymentNotification 处理支付完成通知
+// 文档：接口4 - 支付完成通知回调处理
+// 该函数用于解析平台发起的支付完成通知请求，返回SUCCESS或FAILED
+func HandlePaymentNotification(body []byte) (string, error) {
+	var notification PaymentNotification
+	if err := json.Unmarshal(body, &notification); err != nil {
+		return "FAILED", NewSDKError(ErrCodeInvalidParam, "解析通知数据失败", err)
+	}
+	// 业务处理由调用方自行实现，此处仅返回成功
+	// 调用方应在此函数基础上扩展业务逻辑
+	return "SUCCESS", nil
+}
+
+// ============================================================
+// 接口5：支付状态查询
+// ============================================================
+
+// QueryPaymentStatus 查询支付状态
+// 文档：接口5 - 查询支付状态
+func (c *Client) QueryPaymentStatus(ctx context.Context, req *QueryPaymentStatusRequest) (*QueryPaymentStatusResponse, error) {
+	path := "/api/v1/payment/query"
+	var resp QueryPaymentStatusResponse
+	if err := c.doRequest(ctx, path, req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// ============================================================
+// 接口6：创建供应商
+// ============================================================
+
+// CreateSupplier 创建供应商
+// 文档：接口6 - 创建供应商
+func (c *Client) CreateSupplier(ctx context.Context, req *CreateSupplierRequest) (*CreateSupplierResponse, error) {
+	path := "/api/v1/supplier/create"
+	var resp CreateSupplierResponse
+	if err := c.doRequest(ctx, path, req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// ============================================================
+// 接口7：根据名称查询供应商
+// ============================================================
+
+// QuerySupplierByName 根据供应商名称查询供应商
+// 文档：接口7 - 根据名称查询供应商
+func (c *Client) QuerySupplierByName(ctx context.Context, req *QuerySupplierByNameRequest) (*QuerySupplierByNameResponse, error) {
+	path := "/api/v1/supplier/queryByName"
+	var resp QuerySupplierByNameResponse
+	if err := c.doRequest(ctx, path, req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// ============================================================
+// 接口8：更新供应商
+// ============================================================
+
+// UpdateSupplier 更新供应商信息
+// 文档：接口8 - 更新供应商
+func (c *Client) UpdateSupplier(ctx context.Context, req *UpdateSupplierRequest) (*UpdateSupplierResponse, error) {
+	path := "/api/v1/supplier/update"
+	var resp UpdateSupplierResponse
+	if err := c.doRequest(ctx, path, req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// ============================================================
+// 接口9：根据用户自定义编码查询供应商
+// ============================================================
+
+// QuerySupplierByUserDefineCode 根据用户自定义编码查询供应商
+// 文档：接口9 - 根据用户自定义编码查询供应商
+func (c *Client) QuerySupplierByUserDefineCode(ctx context.Context, req *QuerySupplierByUserDefineCodeRequest) (*QuerySupplierByUserDefineCodeResponse, error) {
+	path := "/api/v1/supplier/queryByCode"
+	var resp QuerySupplierByUserDefineCodeResponse
+	if err := c.doRequest(ctx, path, req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+```
+
+// File: intelligence_finance_v1/example_test.go
+```go
+package intelligence_finance_v1
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"log"
+	"time"
+)
+
+// ExampleNewClient 展示了如何创建SDK客户端
+func ExampleNewClient() {
+	// 创建客户端
+	client := NewClient(
+		"https://api.example.com",
+		"your-tenant-id",
+		"dd-ai-table",
+		"your-client-secret",
+		WithTimeout(30*time.Second),
+		WithDebug(true),
+	)
+	_ = client
+	fmt.Println("Client created successfully")
+}
+
+// ExampleClient_CreateInvoice 展示了如何提交订单开票申请
+func ExampleClient_CreateInvoice() {
+	client := NewClient(
+		"https://api.example.com",
+		"your-tenant-id",
+		"dd-ai-table",
+		"your-client-secret",
+	)
+
+	req := &CreateInvoiceRequest{
+		OrderID:     "ORDER20240101001",
+		InvoiceType: 9, // 数电普票
+		Purchaser:   "测试购买方有限公司",
+		TaxNum:      "91110108MA12345678",
+		Phone:       "13800138000",
+		Email:       "test@example.com",
+		Products: []InvoiceProduct{
+			{
+				ProductName:      "办公用品",
+				RevenueCode:      "1090515010000000000",
+				AmountIncludeTax: 1130.00,
+				Quantity:         10,
+				Unit:             "个",
+				TaxRate:          0.13,
+				TaxSign:          1,
+				Discount:         0,
+			},
+		},
+		ApplyPerson: "张三",
+		Payee:       "李四",
+		Reviewer:    "王五",
+	}
+
+	resp, err := client.CreateInvoice(context.Background(), req)
+	if err != nil {
+		log.Fatalf("创建开票申请失败: %v", err)
+	}
+
+	fmt.Printf("开票状态: %d, 错误信息: %s\n", resp.Status, resp.ErrorMsg)
+	for i, inv := range resp.DataList {
+		fmt.Printf("发票%d: 代码=%s, 号码=%s, 金额(含税)=%s\n", i+1, inv.InvoiceCode, inv.InvoiceNo, inv.TotalIncludeTax)
+	}
+}
+
+// ExampleClient_QueryInvoiceStatus 展示了如何查询开票状态
+func ExampleClient_QueryInvoiceStatus() {
+	client := NewClient(
+		"https://api.example.com",
+		"your-tenant-id",
+		"dd-ai-table",
+		"your-client-secret",
+	)
+
+	req := &QueryInvoiceStatusRequest{
+		OrderID: "ORDER20240101001",
+	}
+
+	resp, err := client.QueryInvoiceStatus(context.Background(), req)
+	if err != nil {
+		log.Fatalf("查询开票状态失败: %v", err)
+	}
+
+	fmt.Printf("开票状态: %d, 描述: %s\n", resp.Status, resp.Message)
+}
+
+// ExampleClient_CreatePayment 展示了如何创建付款单据
+func ExampleClient_CreatePayment() {
+	client := NewClient(
+		"https://api.example.com",
+		"your-tenant-id",
+		"dd-ai-table",
+		"your-client-secret",
+	)
+
+	req := &CreatePaymentRequest{
+		Code:   "PAY20240101001",
+		UserID: "user123",
+		Title:  "采购付款-2024年1月",
+		Amount: "50000.00",
+		Supplier: &Supplier{
+			Name: "供应商A",
+		},
+		Department: &Department{
+			Name: "财务部",
+		},
+		Company: &Company{
+			Name: "XX科技有限公司",
+		},
+		PaymentDetailList: []PaymentDetail{
+			{
+				Amount: "50000.00",
+				Remark: "1月采购货款",
+			},
+		},
+	}
+
+	resp, err := client.CreatePayment(context.Background(), req)
+	if err != nil {
+		log.Fatalf("创建付款单据失败: %v", err)
+	}
+
+	fmt.Printf("付款单据编码: %s\n", resp.Code)
+}
+
+// ExampleHandlePaymentNotification 展示了如何处理支付完成通知
+func ExampleHandlePaymentNotification() {
+	// 模拟平台回调的请求体
+	notificationBody := `{
+		"code": "PAY20240101001",
+		"instanceId": "instance_001",
+		"corpId": "dingXXXXXX",
+		"paymentStatus": "SUCCESS",
+		"paymentTime": "2024-01-15 10:30:00",
+		"userId": "user123",
+		"amount": "50000.00",
+		"source": "openapi"
+	}`
+
+	result, err := HandlePaymentNotification([]byte(notificationBody))
+	if err != nil {
+		log.Printf("处理通知失败: %v", err)
+	}
+
+	fmt.Printf("通知处理结果: %s\n", result)
+
+	// 实际业务中，可以在此处解析通知数据并执行后续操作
+	var notification PaymentNotification
+	if err := json.Unmarshal([]byte(notificationBody), &notification); err == nil {
+		fmt.Printf("收到支付通知: 单据编码=%s, 支付状态=%s\n", notification.Code, notification.PaymentStatus)
+	}
+}
+
+// ExampleClient_QueryPaymentStatus 展示了如何查询支付状态
+func ExampleClient_QueryPaymentStatus() {
+	client := NewClient(
+		"https://api.example.com",
+		"your-tenant-id",
+		"dd-ai-table",
+		"your-client-secret",
+	)
+
+	req := &QueryPaymentStatusRequest{
+		Code:   "PAY20240101001",
+		UserID: "user123",
+	}
+
+	resp, err := client.QueryPaymentStatus(context.Background(), req)
+	if err != nil {
+		log.Fatalf("查询支付状态失败: %v", err)
+	}
+
+	fmt.Printf("支付状态: %s, 支付时间: %s\n", resp.PaymentStatus, resp.PaymentTime)
+}
+
+// ExampleClient_CreateSupplier 展示了如何创建供应商
+func ExampleClient_CreateSupplier() {
+	client := NewClient(
+		"https://api.example.com",
+		"your-tenant-id",
+		"dd-ai-table",
+		"your-client-secret",
+	)
+
+	bizData := CreateSupplierBizData{
+		CorpID:  "dingXXXXXX",
+		Creator: "user123",
+		SupplierInfo: &SupplierInfo{
+			Name:            "测试供应商有限公司",
+			CorpID:          "dingXXXXXX",
+			Creator:         "user123",
+			UserDefineCode:  "SUP-001",
+			ContactName:     "张三",
+			ContactTelephone: "13800138000",
+			ContactEmail:    "contact@supplier.com",
+			ContactAddress:  "北京市朝阳区XX路XX号",
+		},
+	}
+
+	bizDataBytes, _ := json.Marshal(bizData)
+
+	req := &CreateSupplierRequest{
+		InvokeID: "invoke_001",
+		UserID:   "user123",
+		Data:     string(bizDataBytes),
+		BizType:  "create_supplier",
+	}
+
+	resp, err := client.CreateSupplier(context.Background(), req)
+	if err != nil {
+		log.Fatalf("创建供应商失败: %v", err)
+	}
+
+	fmt.Printf("创建供应商响应: invokeId=%s, bizType=%s\n", resp.InvokeID, resp.BizType)
+}
+
+// ExampleClient_QuerySupplierByName 展示了如何根据名称查询供应商
+func ExampleClient_QuerySupplierByName() {
+	client := NewClient(
+		"https://api.example.com",
+		"your-tenant-id",
+		"dd-ai-table",
+		"your-client-secret",
+	)
+
+	bizData := []QuerySupplierByNameBizData{
+		{
+			CorpID: "dingXXXXXX",
+			Name:   "测试供应商有限公司",
+		},
+	}
+
+	bizDataBytes, _ := json.Marshal(bizData)
+
+	req := &QuerySupplierByNameRequest{
+		InvokeID: "invoke_002",
+		UserID:   "user123",
+		Data:     string(bizDataBytes),
+		BizType:  "query_supplier_by_name",
+	}
+
+	resp, err := client.QuerySupplierByName(context.Background(), req)
+	if err != nil {
+		log.Fatalf("查询供应商失败: %v", err)
+	}
+
+	fmt.Printf("查询结果: success=%v, result=%s\n", resp.Success, resp.Result)
+}
+
+// ExampleClient_UpdateSupplier 展示了如何更新供应商
+func ExampleClient_UpdateSupplier() {
+	client := NewClient(
+		"https://api.example.com",
+		"your-tenant-id",
+		"dd-ai-table",
+		"your-client-secret",
+	)
+
+	bizData := UpdateSupplierBizData{
+		SupplierID:     "SUP_XXXXX",
+		Name:           "更新后的供应商名称",
+		CorpID:         "dingXXXXXX",
+		UserID:         "user123",
+		ContactName:    "李四",
+		ContactTelephone: "13900139000",
+		ContactEmail:   "new@supplier.com",
+		Description:    "长期合作供应商",
+	}
+
+	bizDataBytes, _ := json.Marshal(bizData)
+
+	req := &UpdateSupplierRequest{
+		InvokeID: "invoke_003",
+		UserID:   "user123",
+		Data:     string(bizDataBytes),
+		BizType:  "update_supplier",
+	}
+
+	resp, err := client.UpdateSupplier(context.Background(), req)
+	if err != nil {
+		log.Fatalf("更新供应商失败: %v", err)
+	}
+
+	fmt.Printf("更新供应商响应: invokeId=%s, bizType=%s\n", resp.InvokeID, resp.BizType)
+}
+
+// ExampleClient_QuerySupplierByUserDefineCode 展示了如何根据自定义编码查询供应商
+func ExampleClient_QuerySupplierByUserDefineCode() {
+	client := NewClient(
+		"https://api.example.com",
+		"your-tenant-id",
+		"dd-ai-table",
+		"your-client-secret",
+	)
+
+	bizData := QuerySupplierByUserDefineCodeBizData{
+		CorpID:         "dingXXXXXX",
+		UserDefineCode: "SUP-001",
+	}
+
+	bizDataBytes, _ := json.Marshal(bizData)
+
+	req := &QuerySupplierByUserDefineCodeRequest{
+		InvokeID: "invoke_004",
+		UserID:   "user123",
+		Data:     string(bizDataBytes),
+		BizType:  "query_supplier_by_userDefineCode",
+	}
+
+	resp, err := client.QuerySupplierByUserDefineCode(context.Background(), req)
+	if err != nil {
+		log.Fatalf("查询供应商失败: %v", err)
+	}
+
+	fmt.Printf("查询供应商响应: invokeId=%s, bizType=%s\n", resp.InvokeID, resp.BizType)
+}
+```
+
+=== SDK 生成完成 ===
\ No newline at end of file