diff --git a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiStaffFmyRelationImportServiceImpl.java b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiStaffFmyRelationImportServiceImpl.java
index 2e1eb40..aff8d2a 100644
--- a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiStaffFmyRelationImportServiceImpl.java
+++ b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiStaffFmyRelationImportServiceImpl.java
@@ -1,6 +1,8 @@
 package com.ruoyi.ccdi.service.impl;
 
 import com.alibaba.fastjson2.JSON;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.ruoyi.ccdi.domain.CcdiBaseStaff;
 import com.ruoyi.ccdi.domain.CcdiStaffFmyRelation;
 import com.ruoyi.ccdi.domain.dto.CcdiStaffFmyRelationAddDTO;
 import com.ruoyi.ccdi.domain.excel.CcdiStaffFmyRelationExcel;
@@ -8,6 +10,7 @@ import com.ruoyi.ccdi.domain.vo.ImportResult;
 import com.ruoyi.ccdi.domain.vo.ImportStatusVO;
 import com.ruoyi.ccdi.domain.vo.StaffFmyRelationImportFailureVO;
 import com.ruoyi.ccdi.enums.GenderEnum;
+import com.ruoyi.ccdi.mapper.CcdiBaseStaffMapper;
 import com.ruoyi.ccdi.mapper.CcdiStaffFmyRelationMapper;
 import com.ruoyi.ccdi.service.ICcdiStaffFmyRelationImportService;
 import com.ruoyi.ccdi.utils.ImportLogUtils;
@@ -24,6 +27,7 @@ import org.springframework.transaction.annotation.Transactional;
 
 import java.util.*;
 import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
 
 /**
  * 员工亲属关系异步导入服务层处理
@@ -43,6 +47,9 @@ public class CcdiStaffFmyRelationImportServiceImpl implements ICcdiStaffFmyRelat
     @Resource
     private RedisTemplate<String, Object> redisTemplate;
 
+    @Resource
+    private CcdiBaseStaffMapper baseStaffMapper;
+
     @Override
     @Async
     @Transactional
@@ -55,14 +62,32 @@ public class CcdiStaffFmyRelationImportServiceImpl implements ICcdiStaffFmyRelat
         List<CcdiStaffFmyRelation> newRecords = new ArrayList<>();
         List<StaffFmyRelationImportFailureVO> failures = new ArrayList<>();
 
+        // 批量验证员工身份证号是否存在
+        Set<String> excelPersonIds = excelList.stream()
+                .map(CcdiStaffFmyRelationExcel::getPersonId)
+                .filter(StringUtils::isNotEmpty)
+                .collect(Collectors.toSet());
+
+        Set<String> existingPersonIds = new HashSet<>();
+        if (!excelPersonIds.isEmpty()) {
+            ImportLogUtils.logBatchQueryStart(log, taskId, "员工身份证号", excelPersonIds.size());
+
+            LambdaQueryWrapper<CcdiBaseStaff> wrapper = new LambdaQueryWrapper<>();
+            wrapper.select(CcdiBaseStaff::getIdCard)
+                   .in(CcdiBaseStaff::getIdCard, excelPersonIds);
+
+            List<CcdiBaseStaff> existingStaff = baseStaffMapper.selectList(wrapper);
+            existingPersonIds = existingStaff.stream()
+                    .map(CcdiBaseStaff::getIdCard)
+                    .collect(Collectors.toSet());
+
+            ImportLogUtils.logBatchQueryComplete(log, taskId, "员工身份证号", existingPersonIds.size());
+        }
+
         // ========== 第一步：批量唯一性校验 ==========
-        // 1. 提取Excel中所有的personId和relationCertNo
-        Set<String> excelPersonIds = new HashSet<>();
+        // 1. 提取Excel中所有的relationCertNo（personId已在前面提取）
         Set<String> excelRelationCertNos = new HashSet<>();
         for (CcdiStaffFmyRelationExcel excel : excelList) {
-            if (StringUtils.isNotEmpty(excel.getPersonId())) {
-                excelPersonIds.add(excel.getPersonId());
-            }
             if (StringUtils.isNotEmpty(excel.getRelationCertNo())) {
                 excelRelationCertNos.add(excel.getRelationCertNo());
             }
@@ -70,7 +95,7 @@ public class CcdiStaffFmyRelationImportServiceImpl implements ICcdiStaffFmyRelat
 
         // 2. 批量查询数据库中已存在的记录
         Set<String> existingKeys = new HashSet<>();
-        if (!excelPersonIds.isEmpty() && !excelRelationCertNos.isEmpty()) {
+        if (!excelRelationCertNos.isEmpty()) {
             ImportLogUtils.logBatchQueryStart(log, taskId, "已存在的亲属关系", excelList.size());
             List<CcdiStaffFmyRelation> existingRecords = relationMapper.selectExistingRelations(
                 new ArrayList<>(excelPersonIds),
@@ -100,6 +125,13 @@ public class CcdiStaffFmyRelationImportServiceImpl implements ICcdiStaffFmyRelat
                 // 验证数据
                 validateRelationData(addDTO);
 
+                // 身份证号存在性检查（在基本验证之后）
+                if (!existingPersonIds.contains(excel.getPersonId())) {
+                    throw new RuntimeException(String.format(
+                        "第%d行: 身份证号[%s]不存在于员工信息表中，请先添加员工信息",
+                        i + 1, excel.getPersonId()));
+                }
+
                 // 生成唯一键
                 String uniqueKey = excel.getPersonId() + "|" + excel.getRelationCertNo();