diff --git a/src/main/java/com/biutag/supervision/pojo/entity/NegativeCountersign.java b/src/main/java/com/biutag/supervision/pojo/entity/NegativeCountersign.java
index 952b0ce..5d6c831 100644
--- a/src/main/java/com/biutag/supervision/pojo/entity/NegativeCountersign.java
+++ b/src/main/java/com/biutag/supervision/pojo/entity/NegativeCountersign.java
@@ -4,6 +4,7 @@ import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.fasterxml.jackson.annotation.JsonFormat;
+import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.experimental.Accessors;
@@ -59,4 +60,21 @@ public class NegativeCountersign {
 
     private String state;
 
+
+    @Schema(description = "会签人姓名")
+    @TableField(exist = false)
+    private String signUserName;
+
+    @Schema(description = "会签人账号")
+    @TableField(exist = false)
+    private String signUserAccount;
+
+    @Schema(description = "会签时间")
+    @TableField(exist = false)
+    private String signTime;
+
+    @TableField(exist = false)
+    @Schema(description = "加上父级部门名字")
+    private String departPName;
+
 }
\ No newline at end of file
diff --git a/src/main/java/com/biutag/supervision/service/NegativeService.java b/src/main/java/com/biutag/supervision/service/NegativeService.java
index 9499eb2..4b8ff5b 100644
--- a/src/main/java/com/biutag/supervision/service/NegativeService.java
+++ b/src/main/java/com/biutag/supervision/service/NegativeService.java
@@ -1,6 +1,7 @@
 package com.biutag.supervision.service;
 
 import cn.hutool.core.bean.BeanUtil;
+import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.collection.CollectionUtil;
 import cn.hutool.core.date.DatePattern;
 import cn.hutool.core.date.DateUtil;
@@ -18,6 +19,7 @@ import com.biutag.supervision.constants.enums.*;
 import com.biutag.supervision.flow.FlowService;
 import com.biutag.supervision.mapper.NegativeMapper;
 import com.biutag.supervision.pojo.domain.Blame;
+import com.biutag.supervision.pojo.domain.CountersignApply;
 import com.biutag.supervision.pojo.domain.NegativeDetail;
 import com.biutag.supervision.pojo.domain.NegativeVo;
 import com.biutag.supervision.pojo.dto.ActionDto;
@@ -37,10 +39,7 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import java.time.LocalDateTime;
-import java.util.Date;
-import java.util.List;
-import java.util.Objects;
-import java.util.Optional;
+import java.util.*;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.stream.Collectors;
 
@@ -169,6 +168,7 @@ public class NegativeService extends ServiceImpl<NegativeMapper, Negative> {
         }
         // 单位会签
         detail.setCountersignApplys(countersignApplyService.list(id));
+        enrichCountersignsWithHistory(detail);
         return detail;
     }
 
@@ -383,11 +383,12 @@ public class NegativeService extends ServiceImpl<NegativeMapper, Negative> {
 
     /**
      * 生成样本源头编号
+     *
      * @param problemSourcesCode
      * @return
      */
     public String generateOriginId(String problemSourcesCode, String businessTypeCode) {
-        String originId = String.format("%s_%s_%s%s", StrUtil.isBlank(problemSourcesCode) ? "" :  ProblemSourcesEnum.get(problemSourcesCode).name(),
+        String originId = String.format("%s_%s_%s%s", StrUtil.isBlank(problemSourcesCode) ? "" : ProblemSourcesEnum.get(problemSourcesCode).name(),
                 StrUtil.isBlank(businessTypeCode) ? "" : BusinessTypeEnum.get(businessTypeCode).getKey(),
                 DateUtil.format(new Date(), DatePattern.PURE_DATE_FORMAT),
                 RandomUtil.randomString(4));
@@ -420,4 +421,45 @@ public class NegativeService extends ServiceImpl<NegativeMapper, Negative> {
         return true;
     }
 
+    private void enrichCountersignsWithHistory(NegativeDetail detail) {
+        List<NegativeHistory> histories = detail.getActionHistory();
+        List<CountersignApply> applys = detail.getCountersignApplys();
+        if (CollUtil.isEmpty(histories) || CollUtil.isEmpty(applys)) {
+            return;
+        }
+        // 1. 按部门
+        Map<String, NegativeHistory> countersignHistoryMap = new HashMap<>();
+        for (NegativeHistory history : histories) {
+            if ("提交会签".equals(history.getActionName()) && StrUtil.isNotBlank(history.getDepartName())) {
+                countersignHistoryMap.put(history.getDepartName(), history);
+            }
+        }
+        if (countersignHistoryMap.isEmpty()) {
+            return;
+        }
+        // 2. 回填会签人信息   校验部门
+        for (CountersignApply apply : applys) {
+            List<NegativeCountersign> countersigns = apply.getCountersigns();
+            if (CollUtil.isEmpty(countersigns)) {
+                continue;
+            }
+            for (NegativeCountersign countersign : countersigns) {
+                NegativeHistory history = countersignHistoryMap.get(countersign.getDepartName());
+                if (history != null) {
+                    countersign.setSignUserName(history.getCrtName());
+                    countersign.setSignUserAccount(history.getCrtUserName());
+                    countersign.setSignTime(history.getCrtTime().toString());
+                }
+                String departId = countersign.getDepartId();
+                SupDepart byId = departService.getById(departId);
+                if (3==byId.getLevel()){
+                    SupDepart byPid = departService.getById(byId.getPid());
+                    String frontShortName = byPid.getShortName();
+                    String backedShortName = byId.getShortName();
+                    countersign.setDepartPName(frontShortName+"/"+backedShortName);
+                }
+            }
+        }
+    }
+
 }