diff --git a/intelligence_finance_v1/example_test.go b/intelligence_finance_v1/example_test.go
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+++ b/intelligence_finance_v1/example_test.go
@@ -0,0 +1,334 @@
+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（符合NotificationRequest格式）
+	notificationBody := `{
+		"bizType": "payment_notification",
+		"bizId": "instance_001",
+		"data": "{\"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
+	// 解析外层
+	var notificationReq NotificationRequest
+	json.Unmarshal([]byte(notificationBody), &notificationReq)
+	var paymentNotification PaymentNotification
+	json.Unmarshal([]byte(notificationReq.Data), &paymentNotification)
+	fmt.Printf("收到支付通知: 单据编码=%s, 支付状态=%s\n", paymentNotification.Code, paymentNotification.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)
+	// 如果需要解析响应数据，可以进一步处理 resp.Data
+	var responseData CreateSupplierResponseData
+	if err := json.Unmarshal(resp.Data, &responseData); err == nil {
+		fmt.Printf("响应数据: success=%v, result=%s\n", responseData.Success, responseData.Result)
+	}
+}
+
+// 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)
+	// 解析响应数据
+	var results []QuerySupplierByNameResult
+	if err := json.Unmarshal(resp.Data, &results); err == nil {
+		for _, r := range results {
+			fmt.Printf("供应商: %s, ID: %s\n", r.SupplierName, r.SupplierID)
+		}
+	}
+}
+
+// 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)
+	// 解析响应数据
+	var responseData QuerySupplierByUserDefineCodeResponseData
+	if err := json.Unmarshal(resp.Data, &responseData); err == nil {
+		fmt.Printf("响应数据: success=%v\n", responseData.Success)
+	}
+}
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