diff --git a/express_tool/ali_cloud_client.go b/express_tool/ali_cloud_client.go
index 6ac3e2b..7e0fafa 100644
--- a/express_tool/ali_cloud_client.go
+++ b/express_tool/ali_cloud_client.go
@@ -9,6 +9,7 @@ import (
 	"log"
 	"net/http"
 	"net/url"
+	"strings"
 	"time"
 )
 
@@ -140,6 +141,77 @@ func (a *AliCloudExpressClient) numberKey(prefix, number string) string {
 	return fmt.Sprintf("%s:number:%s", prefix, number)
 }
 
+// 调用实名认证API
+func (s *AliCloudExpressClient) CallRealNameAuthAPI(ctx context.Context, name, idCard string) (*RealNameAuthData, error) {
+	// 验证输入
+	if strings.TrimSpace(name) == "" || strings.TrimSpace(idCard) == "" {
+		return nil, errors.New("姓名和身份证号不能为空")
+	}
+
+	// 设置参数
+	params := url.Values{}
+	params.Add("realName", name)
+	params.Add("cardNo", idCard)
+
+	// 构建完整URL
+	fullURL, err := url.JoinPath(s.Host)
+	if err != nil {
+		return nil, fmt.Errorf("构建实名认证URL失败: %w, 姓名:%s, 身份证号:%s", err, name, idCard)
+	}
+
+	// 创建HTTP客户端
+	client := &http.Client{
+		Timeout: 2 * time.Second,
+	}
+
+	// 创建POST请求
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, fullURL, strings.NewReader(params.Encode()))
+	if err != nil {
+		return nil, fmt.Errorf("创建实名认证请求失败: %w, 姓名:%s, 身份证号:%s", err, name, idCard)
+	}
+
+	// 设置请求头
+	req.Header.Set("Authorization", "APPCODE "+s.AppCode)
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8")
+
+	// 发送请求
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("发送实名认证请求失败: %w, 姓名:%s, 身份证号:%s", err, name, idCard)
+	}
+	defer func() {
+		if closeErr := resp.Body.Close(); closeErr != nil {
+			log.Printf("关闭实名认证响应体失败: %v, 姓名:%s, 身份证号:%s", closeErr, name, idCard)
+		}
+	}()
+
+	// 读取响应体
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("读取实名认证响应失败: %w, 姓名:%s, 身份证号:%s", err, name, idCard)
+	}
+
+	// 解析JSON响应
+	var result RealNameAuthData
+	if err = json.Unmarshal(body, &result); err != nil {
+		return nil, fmt.Errorf("解析实名认证响应失败: %w, 响应内容:%s, 姓名:%s, 身份证号:%s", err, string(body), name, idCard)
+	}
+
+	// 检查API返回的错误码
+	if result.ErrorCode != 0 {
+		return &result, fmt.Errorf("实名认证接口返回错误, 错误码:%d, 原因:%s, 姓名:%s, 身份证号:%s",
+			result.ErrorCode, result.Reason, name, idCard)
+	}
+
+	// 检查认证结果
+	if !result.Result.Isok {
+		return &result, fmt.Errorf("实名认证不通过, 原因:%s, 姓名:%s, 身份证号:%s",
+			result.Reason, name, idCard)
+	}
+
+	return &result, nil
+}
+
 type ExpressRes struct {
 	Code int    `json:"code"`
 	Desc string `json:"desc"`
@@ -159,3 +231,22 @@ type List struct {
 	Time   string `json:"time"`
 	Status string `json:"status"`
 }
+
+type RealNameAuthData struct {
+	ErrorCode int    `json:"error_code"`
+	Reason    string `json:"reason"`
+	Result    struct {
+		Realname    string `json:"realname"`
+		Idcard      string `json:"idcard"`
+		Isok        bool   `json:"isok"`
+		IdCardInfor struct {
+			Province string `json:"province"`
+			City     string `json:"city"`
+			District string `json:"district"`
+			Area     string `json:"area"`
+			Sex      string `json:"sex"`
+			Birthday string `json:"birthday"`
+		} `json:"IdCardInfor"`
+	} `json:"result"`
+	Sn string `json:"sn"`
+}
diff --git a/express_tool/ali_cloud_client_test.go b/express_tool/ali_cloud_client_test.go
index d4ff0c3..01bf2f7 100644
--- a/express_tool/ali_cloud_client_test.go
+++ b/express_tool/ali_cloud_client_test.go
@@ -128,3 +128,16 @@ func (r *RedisCache) Get(ctx context.Context, number string) (*ExpressRes, error
 
 	return &info, nil
 }
+
+func TestAliCloudExpressClient_CallRealNameAuthAPI(t *testing.T) {
+	s := &AliCloudExpressClient{
+		AppCode: "",
+		Host:    "",
+	}
+	got, err := s.CallRealNameAuthAPI(context.Background(), "", "")
+	if err != nil {
+		t.Errorf("CallRealNameAuthAPI() error = %v", err)
+		return
+	}
+	fmt.Println("=====", got)
+}