diff --git a/app/main/api/internal/service/apirequestService.go b/app/main/api/internal/service/apirequestService.go
index 771431b..8a5ac96 100644
--- a/app/main/api/internal/service/apirequestService.go
+++ b/app/main/api/internal/service/apirequestService.go
@@ -191,6 +191,7 @@ var requestProcessors = map[string]func(*ApiRequestService, []byte) ([]byte, err
 	"JRZQ8203":            (*ApiRequestService).ProcessJRZQ8203Request,
 	"JRZQ4AA8":            (*ApiRequestService).ProcessJRZQ4AA8Request,
 	"QCXG7A2B":            (*ApiRequestService).ProcessQCXG7A2BRequest,
+	"IVYZ81NC":            (*ApiRequestService).ProcessIVYZ81NCRequest,
 }
 
 // PreprocessRequestApi 调用指定的请求处理函数
@@ -415,8 +416,8 @@ 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
@@ -986,8 +987,8 @@ func (a *ApiRequestService) ProcessQYGL8271Request(params []byte) ([]byte, error
 	}
 
 	resp, err := a.tianyuanapi.CallInterface("QYGL8271", map[string]interface{}{
-		"ent_name": entName.String(),
-		"ent_code": entCode.String(),
+		"ent_name":  entName.String(),
+		"ent_code":  entCode.String(),
 		"auth_date": generateAuthDateRange(),
 	})
 
@@ -1236,3 +1237,24 @@ 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)
+}