diff --git a/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/QualFilingExecutor.java b/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/QualFilingExecutor.java
index b76c72c..fe82bf9 100644
--- a/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/QualFilingExecutor.java
+++ b/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/QualFilingExecutor.java
@@ -1,7 +1,7 @@
 package org.qinan.safetyeval.app.executor;
 
-import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.alibaba.fastjson.JSON;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import org.qinan.safetyeval.app.orchestrator.QualFilingOrchestrator;
 import org.qinan.safetyeval.client.api.QualFilingApi;
 import org.qinan.safetyeval.client.change.request.QualFilingCommitmentChangeAddCmd;
@@ -12,11 +12,15 @@ import org.qinan.safetyeval.client.co.QualFilingCO;
 import org.qinan.safetyeval.client.co.QualFilingComplianceCheckResultCO;
 import org.qinan.safetyeval.client.co.QualFilingDetailCO;
 import org.qinan.safetyeval.client.dto.*;
+import org.qinan.safetyeval.domain.constant.BooleanQAEnum;
 import org.qinan.safetyeval.domain.constant.QualFilingApplyTypeEnum;
 import org.qinan.safetyeval.domain.constant.QualFilingReviewResultEnum;
 import org.qinan.safetyeval.domain.entity.*;
+import org.qinan.safetyeval.domain.exception.BizException;
+import org.qinan.safetyeval.domain.exception.ErrorCode;
 import org.qinan.safetyeval.domain.query.PageResult;
 import org.qinan.safetyeval.domain.service.QualFilingDomainService;
+import org.qinan.safetyeval.infrastructure.adapter.ThreadLocalUserInfoAdapter;
 import org.qinan.safetyeval.infrastructure.dataobject.*;
 import org.qinan.safetyeval.infrastructure.mapper.*;
 import org.springframework.beans.BeanUtils;
@@ -163,15 +167,26 @@ public class QualFilingExecutor implements QualFilingApi {
 
     @Override
     public SingleResponse<QualFilingCO> aggregationSaveOrEdit(AggregationSaveOrEditQualFilingCmd cmd) {
+        // 新增时校验：用当前id查询记录获取org_id，若同机构已存在其他资质备案记录则不允许新增
+        Long currentId = cmd.getQualFilingAddCmd().getId();
+        if (currentId == null) {
+            Long count = qualFilingMapper.selectCount(new LambdaQueryWrapper<QualFilingDO>()
+                    .eq(QualFilingDO::getOrgId, ThreadLocalUserInfoAdapter.getOrgId())
+                    .eq(QualFilingDO::getDeleteEnum, BooleanQAEnum.FALSE.getValue()));
+            if (count != null && count > 0) {
+                throw new BizException(ErrorCode.QUAL_FILING_ALREADY_EXISTS);
+            }
+        }
+
         QualFilingCO co = new QualFilingCO();
         BeanUtils.copyProperties(cmd.getQualFilingAddCmd(), co);
         // 拷贝基本信息
         QualFilingEntity entity = new QualFilingEntity();
-        BeanUtils.copyProperties(cmd.getQualFilingAddCmd(),entity);
+        BeanUtils.copyProperties(cmd.getQualFilingAddCmd(), entity);
         entity.setBusinessScope(JSON.toJSONString(cmd.getQualFilingAddCmd().getBusinessScope()));
         //备案承诺书
         QualFilingCommitmentEntity commitmentEntity = new QualFilingCommitmentEntity();
-        BeanUtils.copyProperties(cmd.getQualFilingCommitmentAddCmd(),commitmentEntity);
+        BeanUtils.copyProperties(cmd.getQualFilingCommitmentAddCmd(), commitmentEntity);
         //备案装备
         List<QualFilingEquipmentEntity> equipmentEntities = cmd.getQualFilingEquipmentAddCmds().stream().map(item -> {
             QualFilingEquipmentEntity equipmentEntity = new QualFilingEquipmentEntity();
@@ -199,9 +214,9 @@ public class QualFilingExecutor implements QualFilingApi {
                 return personnelCertEntity;
             }).collect(Collectors.toList());
         }
-       Long id =  qualFilingDomainService.aggregationSaveOrEdit(entity, commitmentEntity, equipmentEntities, materialEntities, personnelEntities, personnelCertEntities);
-       co.setId(id);
-       return SingleResponse.success(co);
+        Long id = qualFilingDomainService.aggregationSaveOrEdit(entity, commitmentEntity, equipmentEntities, materialEntities, personnelEntities, personnelCertEntities);
+        co.setId(id);
+        return SingleResponse.success(co);
     }
 
     @Override
diff --git a/safety-eval-domain/src/main/java/org/qinan/safetyeval/domain/exception/ErrorCode.java b/safety-eval-domain/src/main/java/org/qinan/safetyeval/domain/exception/ErrorCode.java
index d1af5c2..75601b0 100644
--- a/safety-eval-domain/src/main/java/org/qinan/safetyeval/domain/exception/ErrorCode.java
+++ b/safety-eval-domain/src/main/java/org/qinan/safetyeval/domain/exception/ErrorCode.java
@@ -75,6 +75,7 @@ public enum ErrorCode {
     QUAL_FILING_CHANGE_NO_DIFF("02-02-101", "备案信息无变更，无需提交"),
     QUAL_FILING_CHANGE_IN_PROGRESS("02-02-102", "存在进行中的备案变更"),
     QUAL_FILING_COMPLIANCE_CHECK_FAIL("02-02-103", "合规性校验未通过"),
+    QUAL_FILING_ALREADY_EXISTS("02-01-104", "该机构已存在资质备案记录，不允许重复新增"),
 
     // ---- 用户 ----
     ACCOUNT_NOT_FOUND("04-01-001", "用户不存在"),