diff --git a/web-app/src/main/java/com/zcloud/basic/info/command/CorpInfoAddExe.java b/web-app/src/main/java/com/zcloud/basic/info/command/CorpInfoAddExe.java
index d7b0db9..e776379 100644
--- a/web-app/src/main/java/com/zcloud/basic/info/command/CorpInfoAddExe.java
+++ b/web-app/src/main/java/com/zcloud/basic/info/command/CorpInfoAddExe.java
@@ -15,6 +15,8 @@ import com.zcloud.basic.info.domain.model.UserEmploymentLogE;
 import com.zcloud.basic.info.dto.CorpInfoAddCmd;
 import com.zcloud.basic.info.dto.DepartmentAddCmd;
 import com.zcloud.basic.info.dto.UserAddCmd;
+import com.zcloud.basic.info.persistence.dataobject.CorpInfoDO;
+import com.zcloud.basic.info.persistence.repository.CorpInfoRepository;
 import com.zcloud.basic.info.persistence.repository.DepartmentRepository;
 import com.zcloud.basic.info.persistence.repository.UserEmploymentLogRepository;
 import com.zcloud.basic.info.persistence.repository.UserRepository;
@@ -42,6 +44,7 @@ import java.util.Map;
 @Slf4j
 public class CorpInfoAddExe {
     private final CorpInfoGateway corpInfoGateway;
+    private final CorpInfoRepository corpInfoRepository;
     private final UserRepository userRepository;
     private final DepartmentRepository departmentRepository;
     private final UserEmploymentLogRepository userEmploymentLogRepository;
@@ -50,6 +53,8 @@ public class CorpInfoAddExe {
     @Transactional(rollbackFor = Exception.class)
     public Long execute(CorpInfoAddCmd cmd) {
         CorpInfoE examTypeE = new CorpInfoE();
+        List<CorpInfoDO> corpinfoByCode = corpInfoRepository.getCorpinfoByCode(cmd.getCode());
+        examTypeE.checkList(corpinfoByCode == null ? 0 : corpinfoByCode.size());
         try {
             examTypeE.initPassWord();
         } catch (Exception e) {
diff --git a/web-app/src/main/java/com/zcloud/basic/info/command/CorpInfoUpdateExe.java b/web-app/src/main/java/com/zcloud/basic/info/command/CorpInfoUpdateExe.java
index 622b801..7476f47 100644
--- a/web-app/src/main/java/com/zcloud/basic/info/command/CorpInfoUpdateExe.java
+++ b/web-app/src/main/java/com/zcloud/basic/info/command/CorpInfoUpdateExe.java
@@ -24,6 +24,8 @@ import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 import lombok.extern.slf4j.Slf4j;
 
+import java.util.List;
+
 /**
  * web-app
  *
@@ -46,6 +48,10 @@ public class CorpInfoUpdateExe {
     @Transactional(rollbackFor = Exception.class)
     public void execute(CorpInfoUpdateCmd corpInfoUpdateCmd) {
         CorpInfoE corpInfoE = new CorpInfoE();
+
+        List<CorpInfoDO> corpinfoByCodeAndId = corpInfoRepository.getCorpinfoByCodeAndId(corpInfoUpdateCmd.getCode(), corpInfoUpdateCmd.getId());
+        corpInfoE.checkList(corpinfoByCodeAndId == null ? 0 : corpinfoByCodeAndId.size());
+
         BeanUtils.copyProperties(corpInfoUpdateCmd, corpInfoE);
         boolean res = corpInfoGateway.update(corpInfoE);
         if (!res) {
diff --git a/web-domain/src/main/java/com/zcloud/basic/info/domain/model/CorpInfoE.java b/web-domain/src/main/java/com/zcloud/basic/info/domain/model/CorpInfoE.java
index cf7ab58..e9625c9 100644
--- a/web-domain/src/main/java/com/zcloud/basic/info/domain/model/CorpInfoE.java
+++ b/web-domain/src/main/java/com/zcloud/basic/info/domain/model/CorpInfoE.java
@@ -1,6 +1,7 @@
 package com.zcloud.basic.info.domain.model;
 
 import com.alibaba.cola.domain.Entity;
+import com.alibaba.cola.exception.BizException;
 import com.jjb.saas.framework.domain.model.BaseE;
 import com.zcloud.gbscommon.utils.MD5;
 import com.zcloud.gbscommon.utils.Sm2Util;
@@ -173,5 +174,12 @@ public class CorpInfoE extends BaseE {
 
         this.setPassword(encrypt);
     }
+
+    public void checkList(int size){
+        if(size > 0){
+            throw new BizException("社会统一信用代码重复。");
+        }
+    }
+
 }
 
diff --git a/web-infrastructure/src/main/java/com/zcloud/basic/info/persistence/repository/CorpInfoRepository.java b/web-infrastructure/src/main/java/com/zcloud/basic/info/persistence/repository/CorpInfoRepository.java
index f6f3e72..371f33d 100644
--- a/web-infrastructure/src/main/java/com/zcloud/basic/info/persistence/repository/CorpInfoRepository.java
+++ b/web-infrastructure/src/main/java/com/zcloud/basic/info/persistence/repository/CorpInfoRepository.java
@@ -21,5 +21,10 @@ public interface CorpInfoRepository extends BaseRepository<CorpInfoDO> {
     void saveCorp(CorpInfoDO corpInfoDO);
 
     void updateCorpName(CorpInfoDO corpInfo);
+
+    List<CorpInfoDO> getCorpinfoByCode(String code);
+
+    List<CorpInfoDO> getCorpinfoByCodeAndId(String code, Long id);
+
 }
 
diff --git a/web-infrastructure/src/main/java/com/zcloud/basic/info/persistence/repository/impl/CorpInfoRepositoryImpl.java b/web-infrastructure/src/main/java/com/zcloud/basic/info/persistence/repository/impl/CorpInfoRepositoryImpl.java
index 10ad24c..952c164 100644
--- a/web-infrastructure/src/main/java/com/zcloud/basic/info/persistence/repository/impl/CorpInfoRepositoryImpl.java
+++ b/web-infrastructure/src/main/java/com/zcloud/basic/info/persistence/repository/impl/CorpInfoRepositoryImpl.java
@@ -30,6 +30,7 @@ import org.springframework.stereotype.Service;
 
 import java.time.LocalDate;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
@@ -112,5 +113,20 @@ public class CorpInfoRepositoryImpl extends BaseRepositoryImpl<CorpInfoMapper, C
         ouac.setTenantTypeId(1989262038388776960L);
         unitFacade.update(ouac);
     }
+
+    @Override
+    public List<CorpInfoDO> getCorpinfoByCode(String code) {
+        QueryWrapper<CorpInfoDO> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("code", code);
+        return list(queryWrapper);
+    }
+
+    @Override
+    public List<CorpInfoDO> getCorpinfoByCodeAndId(String code, Long id) {
+        QueryWrapper<CorpInfoDO> queryWrapper = new QueryWrapper<>();
+        queryWrapper.ne("id", id);
+        queryWrapper.eq("code", code);
+        return list(queryWrapper);
+    }
 }