diff --git a/epmet-user/epmet-user-server/src/main/java/com/epmet/dao/IcResiUserDao.java b/epmet-user/epmet-user-server/src/main/java/com/epmet/dao/IcResiUserDao.java
index 446491eb5e..79b2b57f0c 100644
--- a/epmet-user/epmet-user-server/src/main/java/com/epmet/dao/IcResiUserDao.java
+++ b/epmet-user/epmet-user-server/src/main/java/com/epmet/dao/IcResiUserDao.java
@@ -355,4 +355,13 @@ public interface IcResiUserDao extends BaseDao<IcResiUserEntity> {
      */
     MoveOutMemberFormDTO moveOutMember(@Param("icResiUserId") String icResiUserId,
                                        @Param("customerId") String customerId);
+
+    /**
+    * @describe: 通过身份证号查询实体类
+    * @author wangtong
+    * @date 2022/6/13 17:32
+    * @params [idCard, customerId]
+    * @return com.epmet.entity.IcResiUserEntity
+    */
+    IcResiUserEntity selectResiUserEntityByIdCard(@Param("idCard") String idCard,@Param("customerId")  String customerId);
 }
diff --git a/epmet-user/epmet-user-server/src/main/java/com/epmet/service/impl/IcResiUserServiceImpl.java b/epmet-user/epmet-user-server/src/main/java/com/epmet/service/impl/IcResiUserServiceImpl.java
index e440ef322c..dc2a41e96b 100644
--- a/epmet-user/epmet-user-server/src/main/java/com/epmet/service/impl/IcResiUserServiceImpl.java
+++ b/epmet-user/epmet-user-server/src/main/java/com/epmet/service/impl/IcResiUserServiceImpl.java
@@ -2343,11 +2343,6 @@ public class IcResiUserServiceImpl extends BaseServiceImpl<IcResiUserDao, IcResi
         }
         HouseInfoResultDTO houseInfo = houseResult.getData();
 
-        IcResiUserDTO userDTO = baseDao.getResiUserByIdCard(dto.getIdCard(), houseInfo.getCustomerId());
-        if (null != userDTO && null != userDTO.getIdCard()) {
-            String errorMsg = "新增居民信息失败，身份证号已存在!";
-            throw new EpmetException(EpmetErrorCode.EPMET_COMMON_OPERATION_FAIL.getCode(), errorMsg, errorMsg);
-        }
         //这个房屋下已经设置了户主后，再次选择户主时提示提示“房屋下已存在户主” PS.户主指与户主关系是本人的用户
         if (RelationshipEnum.SELF.getCode().equals(dto.getYhzgx())) {
             LambdaQueryWrapper<IcResiUserEntity> wrapper = new LambdaQueryWrapper<>();
@@ -2360,7 +2355,6 @@ public class IcResiUserServiceImpl extends BaseServiceImpl<IcResiUserDao, IcResi
             }
         }
 
-
         dto.setCustomerId(houseInfo.getCustomerId());
         dto.setAgencyId(houseInfo.getAgencyId());
         dto.setPids(houseInfo.getAgencyPids());
@@ -2370,12 +2364,33 @@ public class IcResiUserServiceImpl extends BaseServiceImpl<IcResiUserDao, IcResi
         dto.setUnitId(houseInfo.getBuildingUnitId());
         dto.setHomeId(houseInfo.getHouseId());
 
+        IcResiUserDTO userDTO = baseDao.getResiUserByIdCard(dto.getIdCard(), houseInfo.getCustomerId());
+        if (null != userDTO && null != userDTO.getIdCard()) {
+            //覆盖原有的家庭成员信息
+            return updateOldMemberInfo(houseInfo.getCustomerId(),dto);
+        }
+
         IcResiUserEntity entity = ConvertUtils.sourceToTarget(dto, IcResiUserEntity.class);
         insert(entity);
 
         return new Result().ok("新增成功");
     }
 
+    private Result updateOldMemberInfo(String customerId, IcResiUserConfirmSubmitDTO dto) {
+        IcResiUserEntity userEntity = baseDao.selectResiUserEntityByIdCard(dto.getIdCard(), customerId);
+        userEntity.setName(dto.getName());
+        userEntity.setIdCard(dto.getIdCard());
+        userEntity.setMobile(dto.getMobile());
+        userEntity.setBirthday(dto.getBirthday());
+        userEntity.setGender(dto.getGender());
+        userEntity.setMz(dto.getMz());
+        userEntity.setYhzgx(dto.getYhzgx());
+        userEntity.setHjszd(dto.getHjszd());
+        userEntity.setXjzd(dto.getXjzd());
+        baseDao.updateById(userEntity);
+        return new Result().ok("新增成功");
+    }
+
     /**
      * desc:根据字段值获取 options
      * @param customerId
diff --git a/epmet-user/epmet-user-server/src/main/resources/mapper/IcResiUserDao.xml b/epmet-user/epmet-user-server/src/main/resources/mapper/IcResiUserDao.xml
index 270a25b3ff..8046c6f51d 100644
--- a/epmet-user/epmet-user-server/src/main/resources/mapper/IcResiUserDao.xml
+++ b/epmet-user/epmet-user-server/src/main/resources/mapper/IcResiUserDao.xml
@@ -1096,5 +1096,11 @@
             AND customer_id = #{customerId}
             AND DEL_FLAG = '0'
     </select>
-
+    <select id="selectResiUserEntityByIdCard" resultType="com.epmet.entity.IcResiUserEntity">
+        select * from ic_resi_user
+        WHERE
+            ID_CARD = #{idCard}
+            AND customer_id = #{customerId}
+            AND DEL_FLAG = '0'
+    </select>
 </mapper>