diff --git a/app/main/api/internal/service/apirequestService.go b/app/main/api/internal/service/apirequestService.go
index e739d39..333feb8 100644
--- a/app/main/api/internal/service/apirequestService.go
+++ b/app/main/api/internal/service/apirequestService.go
@@ -197,6 +197,7 @@ var requestProcessors = map[string]func(*ApiRequestService, []byte) ([]byte, err
 	"JRZQ09J8":            (*ApiRequestService).ProcessJRZQ09J8Request,
 	"JRZQ5E9F":            (*ApiRequestService).ProcessJRZQ5E9FRequest,
 	"QYGL3F8E":            (*ApiRequestService).ProcessQYGL3F8ERequest,
+	"IVYZ81NC":            (*ApiRequestService).ProcessIVYZ81NCRequest,
 }
 
 // PreprocessRequestApi 调用指定的请求处理函数
@@ -421,8 +422,8 @@ func (a *ApiRequestService) ProcessPersonEnterpriseProRequest(params []byte) ([]
 
 				// 调用QYGL8271接口获取企业涉诉信息
 				lawsuitResp, err := a.tianyuanapi.CallInterface("QYGL8271", map[string]interface{}{
-					"ent_name": orgName.String(),
-					"ent_code": creditCode.String(),
+					"ent_name":  orgName.String(),
+					"ent_code":  creditCode.String(),
 					"auth_date": generateAuthDateRange(),
 				})
 				// 无论是否有错误，都继续处理
@@ -547,7 +548,7 @@ func (a *ApiRequestService) ProcessPersonEnterpriseProRequest(params []byte) ([]
 func (a *ApiRequestService) ProcesFLXG0V4BRequest(params []byte) ([]byte, error) {
 	name := gjson.GetBytes(params, "name")
 	idCard := gjson.GetBytes(params, "id_card")
-	if !name.Exists() || !idCard.Exists(){
+	if !name.Exists() || !idCard.Exists() {
 		return nil, errors.New("api请求, FLXG0V4B, 获取相关参数失败")
 	}
 
@@ -565,6 +566,7 @@ func (a *ApiRequestService) ProcesFLXG0V4BRequest(params []byte) ([]byte, error)
 	}
 	return respBytes, nil
 }
+
 // ProcessFLXG0687Request 反诈反赌核验
 func (a *ApiRequestService) ProcessFLXG0687Request(params []byte) ([]byte, error) {
 	idCard := gjson.GetBytes(params, "id_card")
@@ -1230,6 +1232,7 @@ func (a *ApiRequestService) ProcessBehaviorRiskScanRequest(params []byte) ([]byt
 
 	return finalResult, nil
 }
+
 // ProcessDWBG8B4DRequest 谛听多维报告
 func (a *ApiRequestService) ProcessDWBG8B4DRequest(params []byte) ([]byte, error) {
 	name := gjson.GetBytes(params, "name")
@@ -1241,9 +1244,9 @@ func (a *ApiRequestService) ProcessDWBG8B4DRequest(params []byte) ([]byte, error
 	}
 
 	resp, err := a.tianyuanapi.CallInterface("DWBG8B4D", map[string]interface{}{
-		"name":      name.String(),
-		"id_card":   idCard.String(),
-		"mobile_no": mobile.String(),
+		"name":              name.String(),
+		"id_card":           idCard.String(),
+		"mobile_no":         mobile.String(),
 		"authorization_url": AuthorizationURL.String(),
 	})
 
@@ -1266,9 +1269,9 @@ func (a *ApiRequestService) ProcessDWBG6A2CRequest(params []byte) ([]byte, error
 	}
 
 	resp, err := a.tianyuanapi.CallInterface("DWBG6A2C", map[string]interface{}{
-		"name":      name.String(),
-		"id_card":   idCard.String(),
-		"mobile_no": mobile.String(),
+		"name":              name.String(),
+		"id_card":           idCard.String(),
+		"mobile_no":         mobile.String(),
 		"authorization_url": AuthorizationURL.String(),
 	})
 
@@ -1290,9 +1293,9 @@ func (a *ApiRequestService) ProcessJRZQ4B6CRequest(params []byte) ([]byte, error
 	}
 
 	resp, err := a.tianyuanapi.CallInterface("JRZQ4B6C", map[string]interface{}{
-		"name":      name.String(),
-		"id_card":   idCard.String(),
-		"mobile_no": mobile.String(),
+		"name":       name.String(),
+		"id_card":    idCard.String(),
+		"mobile_no":  mobile.String(),
 		"authorized": "1",
 	})
 
@@ -1314,9 +1317,9 @@ func (a *ApiRequestService) ProcessJRZQ09J8Request(params []byte) ([]byte, error
 	}
 
 	resp, err := a.tianyuanapi.CallInterface("JRZQ09J8", map[string]interface{}{
-		"name":      name.String(),
-		"id_card":   idCard.String(),
-		"mobile_no": mobile.String(),
+		"name":       name.String(),
+		"id_card":    idCard.String(),
+		"mobile_no":  mobile.String(),
 		"authorized": "1",
 	})
 
@@ -1338,9 +1341,9 @@ func (a *ApiRequestService) ProcessJRZQ5E9FRequest(params []byte) ([]byte, error
 	}
 
 	resp, err := a.tianyuanapi.CallInterface("JRZQ5E9F", map[string]interface{}{
-		"name":      name.String(),
-		"id_card":   idCard.String(),
-		"mobile_no": mobile.String(),
+		"name":       name.String(),
+		"id_card":    idCard.String(),
+		"mobile_no":  mobile.String(),
 		"authorized": "1",
 	})
 
@@ -1360,7 +1363,7 @@ func (a *ApiRequestService) ProcessQYGL3F8ERequest(params []byte) ([]byte, error
 	}
 
 	resp, err := a.tianyuanapi.CallInterface("QYGL3F8E", map[string]interface{}{
-		"id_card":   idCard.String(),
+		"id_card": idCard.String(),
 	})
 
 	if err != nil {
@@ -1369,4 +1372,25 @@ func (a *ApiRequestService) ProcessQYGL3F8ERequest(params []byte) ([]byte, error
 
 	// 直接返回解密后的数据，而不是再次进行JSON编码
 	return convertTianyuanResponse(resp)
-}
\ No newline at end of file
+}
+
+// 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)
+}