diff --git a/mailbox-common/src/main/java/com/biutag/constants/AppConstants.java b/mailbox-common/src/main/java/com/biutag/constants/AppConstants.java
index c4b372e..dfe6b14 100644
--- a/mailbox-common/src/main/java/com/biutag/constants/AppConstants.java
+++ b/mailbox-common/src/main/java/com/biutag/constants/AppConstants.java
@@ -25,40 +25,8 @@ public class  AppConstants {
 
     public static final String FALSE = "0";
 
-    static class Entity {
-        private String name;
-        private String age;
 
-        public Entity(String name, String age) {
-            this.name = name;
-            this.age = age;
-        }
-
-        public String getName() {
-            return name;
-        }
-
-        public String getAge() {
-            return age;
-        }
-    }
-
-
-        public static void main(String[] args) {
-            List<Entity> entityList = new ArrayList<>();
-            entityList.add(new Entity("Alice", "20"));
-            entityList.add(new Entity("Bob", "25"));
-            entityList.add(new Entity("Charlie", "30"));
-
-            String targetAge = "25";
-
-            String matchedNames = entityList.stream()
-                    .filter(entity -> entity.getAge() .equals(targetAge))
-                    .map(Entity::getName).findFirst().get();
-
-            System.out.println("Found matching names:"+matchedNames);
-
-        }
+    public static final String MAIL_SOURCE = "mail_source";
 
 
 }
diff --git a/mailbox-lan/pom.xml b/mailbox-lan/pom.xml
index dda6e1b..4e7768a 100644
--- a/mailbox-lan/pom.xml
+++ b/mailbox-lan/pom.xml
@@ -66,7 +66,7 @@
         </dependency>
 
         <dependency>
-            <groupId>${groupId}</groupId>
+            <groupId>${project.groupId}</groupId>
             <artifactId>mailbox-common</artifactId>
         </dependency>
 
diff --git a/mailbox-lan/sql/0319.sql b/mailbox-lan/sql/0319.sql
new file mode 100644
index 0000000..812ffb0
--- /dev/null
+++ b/mailbox-lan/sql/0319.sql
@@ -0,0 +1,14 @@
+update dict_data set remark = 'XXWW' where "value" = 'mailbox' and type_id = 7;
+update dict_data set remark = 'JBTS' where "value" = '110_report_complaints' and type_id = 7;
+update dict_data set remark = 'SZRX' where "value" = '12345_mayor''s_hotline' and type_id = 7;
+update dict_data set remark = 'HWWZ' where "value" = 'red_network_politics' and type_id = 7;
+update dict_data set remark = 'ZJXJ' where "value" = 'create_your_own_letters' and type_id = 7;
+update dict_data set remark = 'XXTS' where "value" = 'petition_complaints' and type_id = 7;
+update dict_data set remark = 'XXYQ' where "value" = 'news_opinion' and type_id = 7;
+
+update mail m set m.contact_police_emp_no = p.emp_no from police_user p where m.contact_police_emp_no is not null and m.contact_Police_name = p.name and m.three_dept_id = p.dept_ids;
+
+ALTER TABLE "mailbox"."mail_co_handling"
+    ADD COLUMN "dept_name" text;
+
+COMMENT ON COLUMN "mailbox"."mail_co_handling"."dept_name" IS '部门名称';
\ No newline at end of file
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/controller/MailController.java b/mailbox-lan/src/main/java/com/biutag/lan/controller/MailController.java
index 5ad03af..2198508 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/controller/MailController.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/controller/MailController.java
@@ -5,10 +5,7 @@ import com.alibaba.fastjson2.JSONArray;
 import com.alibaba.fastjson2.JSONObject;
 import com.biutag.aop.NotPower;
 import com.biutag.core.AjaxResult;
-import com.biutag.lan.domain.bo.CoHandlingReq;
-import com.biutag.lan.domain.bo.FlowAction;
-import com.biutag.lan.domain.bo.InvalidCompletion;
-import com.biutag.lan.domain.bo.MailOuter;
+import com.biutag.lan.domain.bo.*;
 import com.biutag.lan.domain.vo.MailFlowDetail;
 import com.biutag.lan.service.MailService;
 import com.biutag.lan.validate.commons.MailIdValidate;
@@ -83,4 +80,10 @@ public class MailController {
         return AjaxResult.success(mailService.saveCoHandling(coHandlingReq));
     }
 
+    @NotPower
+    @PutMapping("handleDetail")
+    public AjaxResult<Boolean> updateHandleDetail(@RequestBody MailHandleDetailReq mailHandleDetailReq) {
+        return AjaxResult.success(mailService.updateHandleDetail(mailHandleDetailReq));
+    }
+
 }
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/domain/MailCoHandling.java b/mailbox-lan/src/main/java/com/biutag/lan/domain/MailCoHandling.java
index e0e9c9a..1e67a4a 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/domain/MailCoHandling.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/domain/MailCoHandling.java
@@ -36,4 +36,9 @@ public class MailCoHandling {
      */
     private LocalDateTime createTime;
 
+    /**
+     *
+     */
+    private String deptName;
+
 }
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/domain/bo/MailHandleDetailReq.java b/mailbox-lan/src/main/java/com/biutag/lan/domain/bo/MailHandleDetailReq.java
new file mode 100644
index 0000000..e1e82d2
--- /dev/null
+++ b/mailbox-lan/src/main/java/com/biutag/lan/domain/bo/MailHandleDetailReq.java
@@ -0,0 +1,21 @@
+package com.biutag.lan.domain.bo;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Setter
+@Getter
+public class MailHandleDetailReq {
+
+    private String mailId;
+
+    /**
+     * 接访情况
+     */
+    private String interviewDetails;
+
+    /**
+     * 核办情况
+     */
+    private String verifyDetails;
+}
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/domain/vo/MailDetail.java b/mailbox-lan/src/main/java/com/biutag/lan/domain/vo/MailDetail.java
index 2929cfa..306f7dc 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/domain/vo/MailDetail.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/domain/vo/MailDetail.java
@@ -1,10 +1,8 @@
 package com.biutag.lan.domain.vo;
 
-import com.baomidou.mybatisplus.annotation.TableId;
 import com.biutag.lan.domain.MailFlow;
 import lombok.Getter;
 import lombok.Setter;
-import lombok.experimental.Accessors;
 
 import java.time.LocalDateTime;
 import java.util.List;
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/domain/vo/MailVo.java b/mailbox-lan/src/main/java/com/biutag/lan/domain/vo/MailVo.java
index a57d8ce..e458560 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/domain/vo/MailVo.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/domain/vo/MailVo.java
@@ -5,10 +5,7 @@ import com.alibaba.fastjson2.JSON;
 import com.alibaba.fastjson2.JSONArray;
 import com.alibaba.fastjson2.JSONObject;
 import com.biutag.enums.RoleEnum;
-import com.biutag.lan.domain.Mail;
-import com.biutag.lan.domain.MailCountersign;
-import com.biutag.lan.domain.MailExtensionApproval;
-import com.biutag.lan.domain.Work;
+import com.biutag.lan.domain.*;
 import com.biutag.lan.enums.WorkType;
 import com.biutag.lan.flow.FlowNodeEnum;
 import com.fasterxml.jackson.annotation.JsonFormat;
@@ -365,6 +362,8 @@ public class MailVo {
 
     private List<MailExtensionApprovalVo> extensionApprovals = new ArrayList<>();
 
+    private List<MailCoHandling> coHandlings = new ArrayList<>();
+
     public static MailVo of(Mail mail) {
         MailVo mailVo = new MailVo();
         BeanUtils.copyProperties(mail, mailVo);
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/flow/FlowNodeEnum.java b/mailbox-lan/src/main/java/com/biutag/lan/flow/FlowNodeEnum.java
index 3e9e20a..17c0651 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/flow/FlowNodeEnum.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/flow/FlowNodeEnum.java
@@ -1,5 +1,6 @@
 package com.biutag.lan.flow;
 
+import cn.hutool.core.util.StrUtil;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 
@@ -43,6 +44,9 @@ public enum FlowNodeEnum {
     }
 
     public static boolean isSignReturn(String key) {
+        if (StrUtil.isBlank(key)) {
+            return true;
+        }
         for (FlowNodeEnum value : values()) {
             if (value.getKey().equals(key)) {
                 return value.getIndex() < THREE_SIGN.index;
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/flow/node/CoHandlingFlow.java b/mailbox-lan/src/main/java/com/biutag/lan/flow/node/CoHandlingFlow.java
index 27b9168..6139f1b 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/flow/node/CoHandlingFlow.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/flow/node/CoHandlingFlow.java
@@ -2,6 +2,7 @@ package com.biutag.lan.flow.node;
 
 import com.alibaba.fastjson2.JSONArray;
 import com.alibaba.fastjson2.JSONObject;
+import com.biutag.lan.config.AdminThreadLocal;
 import com.biutag.lan.domain.MailCoHandling;
 import com.biutag.lan.domain.Work;
 import com.biutag.lan.enums.CoType;
@@ -38,6 +39,7 @@ public class CoHandlingFlow extends Flow {
                 .setCreateTime(now)
                 .setVerifyDetails(verifyDetails)
                 .setVerifyAttachments(verifyAttachments.toJSONString())
+                .setDeptName(AdminThreadLocal.getDeptName())
                 .setCoType(CoType.secondary.name());
         mailCoHandlingService.save(mailCoHandling);
 
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/flow/node/ThreeVerifyFlow.java b/mailbox-lan/src/main/java/com/biutag/lan/flow/node/ThreeVerifyFlow.java
index 440bc61..e2b48e1 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/flow/node/ThreeVerifyFlow.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/flow/node/ThreeVerifyFlow.java
@@ -99,7 +99,6 @@ public class ThreeVerifyFlow extends Flow {
                 .setContactPolicePost(Optional.ofNullable(contactPolice).map(item -> item.getString("post")).orElse(null))
                 .setContactTime(Optional.ofNullable(data.getString("contactTime")).map(item -> DateUtil.parseLocalDateTime(item, DatePattern.NORM_DATETIME_PATTERN)).orElse(null))
                 .setContactDuration(data.getLong("contactDuration"))
-                .setContactPoliceEmpNo(data.getString("contactDuration"))
                 .setContactFlag(data.getBoolean("contactFlag"))
                 // 接访群众
                 .setInterviewType(data.getString("interviewType"))
@@ -126,6 +125,7 @@ public class ThreeVerifyFlow extends Flow {
                             "mobile", verifyFollowupPoliceObj.getString("mobile")).toJSONString();
             source.setVerifyFollowupPolice(verifyFollowupPolice);
         }
+        BeanUtil.copyProperties(source, mail, CopyOptions.create().setIgnoreNullValue(true));
         mailService.updateById(mail);
         return null;
     }
@@ -150,7 +150,6 @@ public class ThreeVerifyFlow extends Flow {
                 .setContactPolicePost(Optional.ofNullable(contactPolice).map(item -> item.getString("post")).orElse(null))
                 .setContactTime(Optional.ofNullable(data.getString("contactTime")).map(item -> DateUtil.parseLocalDateTime(item, DatePattern.NORM_DATETIME_PATTERN)).orElse(null))
                 .setContactDuration(data.getLong("contactDuration"))
-                .setContactPoliceEmpNo(data.getString("contactDuration"))
                 .setContactFlag(data.getBoolean("contactFlag"))
                 // 接访群众
                 .setInterviewType(data.getString("interviewType"))
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/service/IDictDataService.java b/mailbox-lan/src/main/java/com/biutag/lan/service/IDictDataService.java
index 0f6b21a..b26a775 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/service/IDictDataService.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/service/IDictDataService.java
@@ -1,5 +1,6 @@
 package com.biutag.lan.service;
 
+import com.biutag.entity.setting.DictData;
 import com.biutag.lan.validate.commons.PageValidate;
 import com.biutag.lan.validate.setting.DictDataCreateValidate;
 import com.biutag.lan.validate.setting.DictDataUpdateValidate;
@@ -41,6 +42,9 @@ public interface IDictDataService {
      */
     DictDataVo detail(Integer id);
 
+
+    DictData getByDateTypeAndValue(String dataType, String value);
+
     /**
      * 字典数据新增
      *
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/service/MailCoHandlingService.java b/mailbox-lan/src/main/java/com/biutag/lan/service/MailCoHandlingService.java
index 0db8acb..4be50c0 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/service/MailCoHandlingService.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/service/MailCoHandlingService.java
@@ -1,11 +1,18 @@
 package com.biutag.lan.service;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.biutag.lan.domain.MailCoHandling;
 import com.biutag.lan.mapper.MailCoHandlingMapper;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+
 @Service
 public class MailCoHandlingService extends ServiceImpl<MailCoHandlingMapper, MailCoHandling> {
 
+    public List<MailCoHandling> list(String mailId) {
+        return list(new LambdaQueryWrapper<MailCoHandling>().eq(MailCoHandling::getMailId, mailId));
+    }
+
 }
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/service/MailService.java b/mailbox-lan/src/main/java/com/biutag/lan/service/MailService.java
index 61fa8ed..feb88d0 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/service/MailService.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/service/MailService.java
@@ -31,7 +31,6 @@ import com.biutag.lan.flow.node.FirstSignFlow;
 import com.biutag.lan.mapper.MailMapper;
 import com.biutag.lan.mapper.MailSourceMapper;
 import com.biutag.lan.mapper.WorkMapper;
-import com.biutag.lan.validate.commons.MailIdValidate;
 import jakarta.annotation.Resource;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.BeanUtils;
@@ -78,6 +77,10 @@ public class MailService extends ServiceImpl<MailMapper, Mail> {
 
     private final IHolidayService holidayService;
 
+    private final IDictDataService dictDataService;
+
+    private final MailCoHandlingService mailCoHandlingService;
+
     @Resource
     private MailSourceMapper mailSourceMapper;
 
@@ -189,6 +192,8 @@ public class MailService extends ServiceImpl<MailMapper, Mail> {
             List<MailLabel> mailLabels = mailLabelService.listByIds(Arrays.stream(mail.getMailLabels().split(",")).map(Integer::parseInt).collect(Collectors.toList()));
             mailVo.setMailLabels(mailLabels.stream().map(MailLabel::getLabelName).collect(Collectors.toList()));
         }
+        // 协办
+        mailVo.setCoHandlings(mailCoHandlingService.list(mailId));
         return flowDetail;
     }
 
@@ -231,8 +236,8 @@ public class MailService extends ServiceImpl<MailMapper, Mail> {
                     .setLimitedTime(flow.getFlowNode().getLimitedTime())
                     .setConsumingTime(consumingTime)
                     .setCreateTime(now);
-            if (Objects.nonNull(flowAction.getData().getString("comment"))) {
-                mailFlow.setRemark(flowAction.getData().getString("comment"));
+            if (Objects.nonNull(flowAction.getData().getString("approvalComment"))) {
+                mailFlow.setRemark(flowAction.getData().getString("approvalComment"));
             } else if (Objects.nonNull(flowAction.getData().getString("comments"))) {
                 mailFlow.setRemark(flowAction.getData().getString("comments"));
             } else if (Objects.nonNull(flowAction.getData().getString("reason"))) {
@@ -378,7 +383,7 @@ public class MailService extends ServiceImpl<MailMapper, Mail> {
             zeroString.append('0');
         }
         // XXWW 信箱外网
-        return DateUtil.format(new Date(), "yyyyMMddHHMM") + MailSource.Source.get(source).getKey() + zeroString + seqVal;
+        return DateUtil.format(new Date(), "yyyyMMddHHMM") + Optional.ofNullable(dictDataService.getByDateTypeAndValue(AppConstants.MAIL_SOURCE, source)).map(DictData::getRemark).orElse("") + zeroString + seqVal;
     }
 
     public boolean exists(String mailId) {
@@ -396,7 +401,7 @@ public class MailService extends ServiceImpl<MailMapper, Mail> {
         mail.setFlowKey(FlowNodeEnum.FIRST_SIGN.getKey())
                 .setMailState(MailState.processing.getValue())
                 .setFlowName(FlowNodeEnum.FIRST_SIGN.getFullName())
-                .setMailCategory("").setMailFirstCategory("");
+                .setMailCategory(null).setMailFirstCategory(null);
         Work work = workMapper.selectOne(new LambdaQueryWrapper<Work>().eq(Work::getMailId, mailId));
         work.setWorkState(Work.State.todo.name());
         workMapper.updateById(work);
@@ -445,20 +450,15 @@ public class MailService extends ServiceImpl<MailMapper, Mail> {
         return true;
     }
 
-
-    public boolean delete(MailIdValidate mailId) {
-        if (mailId.getId()==null||mailId.getId().equals("")){
-            return  false;
+    public boolean updateHandleDetail(MailHandleDetailReq handleDetailReq) {
+        Mail mail = getById(handleDetailReq.getMailId());
+        if (StrUtil.isNotBlank(handleDetailReq.getInterviewDetails())) {
+            mail.setInterviewDetails(handleDetailReq.getInterviewDetails());
         }
-        Mail mail = baseMapper.selectById(mailId.getId());
-        if (mailId.getId()!=null||!mailId.getId().equals("")){
-            if (mail.getFlowKey().equals(FlowNodeEnum.FIRST_SIGN.getKey())||mail.getFlowKey().equals(FlowNodeEnum.FIRST_DISTRIBUTE.getKey())){
-                baseMapper.deleteById(mailId.getId());
-                mailSourceMapper.deleteById(mailId.getId());
-                workMapper.delete(new LambdaQueryWrapper<Work>().eq(Work::getMailId, mailId.getId()));
-            }
+        if (StrUtil.isNotBlank(handleDetailReq.getVerifyDetails())) {
+            mail.setVerifyDetails(handleDetailReq.getVerifyDetails());
         }
-        return true;
+        return updateById(mail);
     }
 
 }
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/service/impl/DictDataServiceImpl.java b/mailbox-lan/src/main/java/com/biutag/lan/service/impl/DictDataServiceImpl.java
index 199c2cc..d7b95b5 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/service/impl/DictDataServiceImpl.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/service/impl/DictDataServiceImpl.java
@@ -1,5 +1,6 @@
 package com.biutag.lan.service.impl;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.core.toolkit.Assert;
@@ -148,6 +149,12 @@ public class DictDataServiceImpl implements IDictDataService {
         return vo;
     }
 
+    @Override
+    public DictData getByDateTypeAndValue(String dataType, String value) {
+        DictType dictType = dictTypeMapper.selectOne(new LambdaQueryWrapper<DictType>().eq(DictType::getDictType, dataType));
+        return dictDataMapper.selectOne(new LambdaQueryWrapper<DictData>().eq(DictData::getTypeId, dictType.getId()).eq(DictData::getValue, value));
+    }
+
     /**
      * 字典数据新增
      *
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/service/impl/HolidayServiceImpl.java b/mailbox-lan/src/main/java/com/biutag/lan/service/impl/HolidayServiceImpl.java
index b12bd84..bc42178 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/service/impl/HolidayServiceImpl.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/service/impl/HolidayServiceImpl.java
@@ -159,6 +159,9 @@ public class HolidayServiceImpl implements IHolidayService {
      * @return
      */
     public long getFlowRemainingTime(long limitedTime, LocalDateTime flowLimitedLastHandlerTime, Boolean extensionFlag, Integer extensionDays) {
+        if (Objects.isNull(flowLimitedLastHandlerTime)) {
+            return 0;
+        }
         // 86400 s 一天
         if (limitedTime < 86400) {
             return limitedTime - Duration.between(flowLimitedLastHandlerTime, LocalDateTime.now()).getSeconds();
diff --git a/mailbox-outer-admin/pom.xml b/mailbox-outer-admin/pom.xml
index 3b7e37e..505b054 100644
--- a/mailbox-outer-admin/pom.xml
+++ b/mailbox-outer-admin/pom.xml
@@ -60,7 +60,7 @@
         </dependency>
 
         <dependency>
-            <groupId>${groupId}</groupId>
+            <groupId>${project.groupId}</groupId>
             <artifactId>mailbox-common</artifactId>
         </dependency>
 
diff --git a/pom.xml b/pom.xml
index dfd5eba..b9afe1c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -123,6 +123,7 @@
                 <configuration>
                     <compilerArgument>-parameters</compilerArgument>
                 </configuration>
+                <version></version>
             </plugin>
 
         </plugins>
diff --git a/truncate.sql b/truncate.sql
index 3747395..546e766 100644
--- a/truncate.sql
+++ b/truncate.sql
@@ -9,6 +9,7 @@ truncate table mail_countersign;
 truncate table mail_return;
 truncate table mail_label;
 truncate table mail_mark;
+truncate table mail_appeal;
 
 truncate table work;
 truncate table favorite;