diff --git a/app/main/api/internal/service/apirequestService.go b/app/main/api/internal/service/apirequestService.go
index 73e0056..bcca72d 100644
--- a/app/main/api/internal/service/apirequestService.go
+++ b/app/main/api/internal/service/apirequestService.go
@@ -1224,3 +1224,23 @@ func (a *ApiRequestService) ProcessBehaviorRiskScanRequest(params []byte) ([]byt
 
 	return finalResult, nil
 }
+// ProcessIVYZ81NCRequest 婚姻，登记时间版
+func (a *ApiRequestService) ProcessIVYZ81NCRequest(params []byte) ([]byte, error) {
+	name := gjson.GetBytes(params, "name")
+	idCard := gjson.GetBytes(params, "id_card")
+	if !name.Exists() || !idCard.Exists() {
+		return nil, errors.New("api请求, IVYZ81NC, 获取相关参数失败")
+	}
+
+	resp, err := a.tianyuanapi.CallInterface("IVYZ81NC", map[string]interface{}{
+		"name":    name.String(),
+		"id_card": idCard.String(),
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	// 直接返回解密后的数据，而不是再次进行JSON编码
+	return convertTianyuanResponse(resp)
+}