diff --git a/src/main/java/com/biutag/supervision/pojo/vo/ExportNegativeVo.java b/src/main/java/com/biutag/supervision/pojo/vo/ExportNegativeVo.java
index 13398f0..b80359f 100644
--- a/src/main/java/com/biutag/supervision/pojo/vo/ExportNegativeVo.java
+++ b/src/main/java/com/biutag/supervision/pojo/vo/ExportNegativeVo.java
@@ -34,6 +34,10 @@ public class ExportNegativeVo {
     @ExcelProperty(value = {"问题基本信息","问题录入时间"}, format = "yyyy-MM-dd")
     private LocalDateTime crtTime;
 
+
+    @ExcelProperty({"问题基本信息","下发单位"})
+    private String issuingDepartName;
+
     // 问题来源
     @ExcelProperty({"问题基本信息","问题来源"})
     private String problemSources;
diff --git a/src/main/java/com/biutag/supervision/service/NegativeQueryService.java b/src/main/java/com/biutag/supervision/service/NegativeQueryService.java
index a4ff3d9..ee2ecf0 100644
--- a/src/main/java/com/biutag/supervision/service/NegativeQueryService.java
+++ b/src/main/java/com/biutag/supervision/service/NegativeQueryService.java
@@ -12,6 +12,7 @@ import com.biutag.supervision.constants.enums.ProcessingStatusEnum;
 import com.biutag.supervision.constants.enums.RoleCodeEnum;
 import com.biutag.supervision.pojo.entity.Negative;
 import com.biutag.supervision.pojo.entity.NegativeBlame;
+import com.biutag.supervision.pojo.entity.SupDepart;
 import com.biutag.supervision.pojo.model.UserAuth;
 import com.biutag.supervision.pojo.param.NegativeQueryParam;
 import com.biutag.supervision.pojo.vo.DepartTree;
@@ -23,6 +24,7 @@ import org.springframework.stereotype.Service;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 import java.util.Objects;
 import java.util.stream.Collectors;
 
@@ -238,6 +240,10 @@ public class NegativeQueryService {
         // 最后更新时间
         queryWrapper.orderByDesc(Negative::getUpdTime);
         Page<Negative> page = negativeService.page(Page.of(param.getCurrent(), param.getSize()), queryWrapper);
+        Map<String, SupDepart> allDepartsMap = departService.list(
+                new LambdaQueryWrapper<SupDepart>()
+                        .in(SupDepart::getLevel, List.of(DepartLevelEnum.SECOND.getValue(), DepartLevelEnum.THREE.getValue()))
+        ).stream().collect(Collectors.toMap(SupDepart::getId, d -> d, (a, b) -> a));
         long l = System.currentTimeMillis();
         List<NegativeQueryVo> list = page.getRecords().stream().map(item -> {
             NegativeQueryVo vo = new NegativeQueryVo();
@@ -245,6 +251,7 @@ public class NegativeQueryService {
             if (Objects.nonNull(item.getFirstDistributeTime()) && !ProcessingStatusEnum.completed.name().equals(item.getProcessingStatus())) {
                 vo.setRemainingDuration(TimeUtil.getRemainingDuration(item.getFirstDistributeTime(), item.getMaxSignDuration(), item.getMaxHandleDuration(), item.getExtensionDays(), item.getFlowKey()));
             }
+            vo.setIssuingDepartName(buildIssuingDepartName(item.getIssuingDepartId(), item.getIssuingDepartName(), allDepartsMap));
             return vo;
         }).toList();
         System.out.printf("耗时：%sms", System.currentTimeMillis() - l);
@@ -268,4 +275,28 @@ public class NegativeQueryService {
         }
     }
 
+    /**
+     * 构建下发单位名称
+     * 3级单位拼接上级2级单位名称，2级单位保持原名
+     * @param issuingDepartId 下发单位ID
+     * @param originalName    原名称
+     * @param allDepartsMap   所有单位Map
+     * @return 拼接后的名称
+     */
+    private String buildIssuingDepartName(String issuingDepartId, String originalName, Map<String, SupDepart> allDepartsMap) {
+        if (StrUtil.isBlank(issuingDepartId) || StrUtil.isBlank(originalName)) {
+            return originalName;
+        }
+        SupDepart depart = allDepartsMap.get(issuingDepartId);
+        if (depart == null || !DepartLevelEnum.THREE.getValue().equals(depart.getLevel())) {
+            // 非3级单位，返回原名
+            return originalName;
+        }
+        SupDepart parent = allDepartsMap.get(depart.getPid());
+        if (parent != null) {
+            return parent.getShortName() + "/" + originalName;
+        }
+        return originalName;
+    }
+
 }