diff --git a/mailbox-common/src/main/java/com/biutag/util/TimeUtils.java b/mailbox-common/src/main/java/com/biutag/util/TimeUtils.java
index 542176f..7c10d0a 100644
--- a/mailbox-common/src/main/java/com/biutag/util/TimeUtils.java
+++ b/mailbox-common/src/main/java/com/biutag/util/TimeUtils.java
@@ -535,4 +535,18 @@ public class TimeUtils {
         // long sec = diff % nd % nh % nm / ns;
         return day + "天" + hour + "小时" + min + "分钟";
     }
+
+
+    public static String secondsToTime(int seconds){
+        int h=seconds/3600;			//小时
+        int m=(seconds%3600)/60;		//分钟
+        int s=(seconds%3600)%60;		//秒
+        if(h>0){
+            return h+"小时"+m+"分钟"+s+"秒";
+        }
+        if(m>0){
+            return m+"分钟"+s+"秒";
+        }
+        return s+"秒";
+    }
 }
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/controller/datascreen/DataScreenController.java b/mailbox-lan/src/main/java/com/biutag/lan/controller/datascreen/DataScreenController.java
index c53b4de..566f159 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/controller/datascreen/DataScreenController.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/controller/datascreen/DataScreenController.java
@@ -1,15 +1,19 @@
 package com.biutag.lan.controller.datascreen;
 
 import com.biutag.aop.NotLogin;
+import com.biutag.aop.NotPower;
 import com.biutag.core.AjaxResult;
 import com.biutag.entity.system.Duty;
 import com.biutag.enums.DeptTypeEnum;
 import com.biutag.lan.AdminThreadLocal;
 import com.biutag.lan.domain.Mail;
 import com.biutag.lan.domain.MailSource;
+import com.biutag.lan.domain.vo.MailDetail;
+import com.biutag.lan.domain.vo.MailFlowDetail;
 import com.biutag.lan.service.DataScreenService;
 import com.biutag.lan.service.IDutyService;
 import com.biutag.lan.service.IIndexService;
+import com.biutag.lan.service.MailService;
 import com.biutag.util.DateUtils;
 import com.biutag.util.StringUtils;
 import com.google.gson.JsonObject;
@@ -17,10 +21,7 @@ import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import jakarta.annotation.Resource;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import java.util.*;
 
@@ -35,8 +36,8 @@ public class DataScreenController {
     DataScreenService dataScreenService;
     @Resource
     IDutyService iDutyService;
-
-
+    @Resource
+    MailService mailService;
     @NotLogin
     @GetMapping("/mapData")
     @ApiOperation(value="大屏地图数据")
@@ -123,4 +124,10 @@ public class DataScreenController {
 
 
 
+    @NotPower
+    @GetMapping("getMailDetail")
+    public  AjaxResult<MailDetail> getMailDetail(@RequestParam  Map<String,Object>  params) {
+        return AjaxResult.success(dataScreenService.getMailDetail(params));
+    }
+
 }
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
new file mode 100644
index 0000000..2929cfa
--- /dev/null
+++ b/mailbox-lan/src/main/java/com/biutag/lan/domain/vo/MailDetail.java
@@ -0,0 +1,288 @@
+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;
+import java.util.Map;
+
+
+@Setter
+@Getter
+public class MailDetail {
+
+
+    private String id;
+
+    /**
+     * 联系人姓名
+     */
+    private String contactName;
+    /**
+     * 联系人性别 M / F
+     */
+    private String contactSex;
+    /**
+     * 联系人身份证号码
+     */
+    private String contactIdCard;
+    /**
+     * 联系人手机号
+     */
+    private String contactPhone;
+    /**
+     * 案件编号
+     */
+    private String caseNumber;
+    /**
+     * 内容
+     */
+    private String content;
+    /**
+     * 附件
+     */
+    private String attachments;
+    /**
+     * 创建时间
+     */
+    private LocalDateTime createTime;
+    /**
+     * 更新时间
+     */
+    private LocalDateTime updateTime;
+    /**
+     * 来信时间
+     */
+    private LocalDateTime mailTime;
+    /**
+     * 来源
+     */
+    private String source;
+
+    /**
+     * 满意读(群众)
+     */
+    private String satisfaction;
+
+    /*-------------------------------*/
+
+    /**
+     * 信件状态
+     */
+    private String mailState;
+    /**
+     * 信件当前流程
+     */
+    private String flowKey;
+    /**
+     * 信件当前流程节点
+     */
+    private String flowBeforeName;
+
+    /**
+     * 流程限时最后操作时间
+     */
+    private LocalDateTime flowLimitedLastHandlerTime;
+
+    /**
+     * 信件源数据ID （多个）
+     */
+    private String mailSourceId;
+
+    /**
+     * 信件类名
+     */
+    private String mailCategory;
+    /**
+     * 信件一级类目
+     */
+    private String mailFirstCategory;
+    /**
+     * 信件二级类目
+     */
+    private String mailSecondCategory;
+    /**
+     * 信件三级类目
+     */
+    private String mailThreeCategory;
+    /**
+     * 信件等级
+     */
+    private String mailLevel;
+
+    /**
+     * 二级单位ID(主责)
+     */
+    private Integer secondDeptId;
+
+    private String secondDeptName;
+
+    /**
+     * 三级单位ID(主责)
+     */
+    private Integer threeDeptId;
+
+    private String threeDeptName;
+
+    /**
+     * 协办核查民警（String）
+     */
+    private String coHandlingPolices;
+    /**
+     * 联系民警名称
+     */
+    private String contactPoliceName;
+    /**
+     * 联系民警
+     */
+    private String contactPoliceEmpNo;
+    /**
+     * 联系群众时间
+     */
+    private LocalDateTime contactTime;
+    /**
+     * 联系时长（秒）
+     */
+    private String contactDuration;
+    /**
+     * 延期日期
+     */
+    private LocalDateTime extensionDate;
+    /**
+     * 是否联系群众
+     */
+    private String contactFlag;
+    /**
+     * 是否申请延期
+     */
+    private Boolean extensionFlag;
+    /**
+     * 接访形式
+     */
+    private String interviewType;
+    /**
+     * 是否领导接访
+     */
+    private Boolean interviewIsLeader;
+    /**
+     * 接访人员警号
+     */
+    private String interviewPoliceEmpNo;
+    /**
+     * 接访人员姓名
+     */
+    private String interviewPoliceName;
+    /**
+     * 接访情况
+     */
+    private String interviewDetails;
+    /**
+     * 接访附件（佐证材料）
+     */
+    private String interviewAttachments;
+    /**
+     * 核办情况
+     */
+    private String verifyDetails;
+    /**
+     * 核办-是否属实
+     */
+    private String verifyIsTrue;
+    /**
+     * 核办-被举报对象（json）
+     */
+    private String verifyReportedPolices;
+    /**
+     * 核办-查证属实问题（json）
+     */
+    private String verifyProblem;
+    /**
+     * 核办-是否需要问责
+     */
+    private Boolean verifyNeedAccountability;
+    /**
+     * 核办-责任追究（json）
+     */
+    private String verifyPunish;
+
+    /**
+     * 核办-群众反映事项解决情况(是否已解决)
+     */
+    private Boolean verifyIsResolved;
+
+    /**
+     * 核办-办理反馈情况
+     */
+    private String verifyFeedback;
+
+    /**
+     * 核办-回访人信息(String)
+     */
+    private String verifyFollowupPolice;
+
+    /**
+     * 核办-附件（上传佐证）
+     */
+    private String verifyAttachments;
+
+    /**
+     * 办结方式
+     */
+    private String completeMethod;
+
+    /**
+     * 办理合格情况
+     */
+    private String qualifiedProcessingStatus;
+
+    /**
+     * 问题解决情况
+     */
+    private Boolean problemSolvingStatus;
+
+    /**
+     * 群众回复情况
+     */
+    private String satisfactionStatus;
+
+
+    /**
+     * 认定办结意见
+     */
+    private String completionComment;
+
+    /**
+     * 是否是简易流程
+     */
+    private Boolean simpleFlowFlag;
+
+
+
+    private List<Map> verifyPoliceList;
+
+ //二级机构签收时长
+    private  Integer signDuration;
+
+    private  String signDurationStr;
+    //二级机构签收限制时长
+    private  Integer limitedDuration;
+
+
+    //三级机构联系时长
+    private  Integer contactMassesDuration;
+    private  String contactMassesDurationStr;
+    //二级机构签收限制时长
+    private  Integer contactLimitedDuration;
+
+
+    private String followName;
+    private String followMobile;
+    private String followEmpNo;
+
+
+    private List<MailFlow> mailFlowList;
+}
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/mapper/DataScreenMapper.java b/mailbox-lan/src/main/java/com/biutag/lan/mapper/DataScreenMapper.java
index 47c5a07..cc18e9b 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/mapper/DataScreenMapper.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/mapper/DataScreenMapper.java
@@ -8,6 +8,7 @@ import com.biutag.entity.system.Duty;
 import com.biutag.lan.domain.Mail;
 import com.biutag.lan.domain.MailSource;
 import com.biutag.lan.domain.Work;
+import com.biutag.lan.domain.vo.MailDetail;
 import com.biutag.lan.domain.vo.WorkVo;
 import org.apache.ibatis.annotations.Param;
 
@@ -141,4 +142,14 @@ public interface DataScreenMapper extends BaseMapper<Mail> {
 
 
     List<Duty> getToDayDuty(@Param("depatType") String depatType,@Param("deptId") String deptId);
+
+
+    MailDetail getMailDetail(Map<String,Object>  params);
+
+
+    Map<String,Object> getVerifyPolice(Map<String,Object>  params);
+
+
+    //获取流程时长
+    Map<String,Integer> getDuration(@Param("mailId") String mailId,@Param("flowKey") String flowKey);
 }
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/service/DataScreenService.java b/mailbox-lan/src/main/java/com/biutag/lan/service/DataScreenService.java
index 9252fba..63bf6f1 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/service/DataScreenService.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/service/DataScreenService.java
@@ -1,17 +1,28 @@
 package com.biutag.lan.service;
 
+import com.alibaba.fastjson2.JSON;
+import com.alibaba.fastjson2.JSONArray;
+import com.alibaba.fastjson2.JSONObject;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.biutag.entity.system.Duty;
 import com.biutag.enums.DeptTypeEnum;
 import com.biutag.lan.domain.Mail;
+import com.biutag.lan.domain.MailFlow;
+import com.biutag.lan.domain.vo.MailDetail;
+import com.biutag.lan.flow.FlowNodeEnum;
 import com.biutag.lan.mapper.DataScreenMapper;
 import com.biutag.util.DateUtils;
 import com.biutag.util.StringUtils;
+import com.biutag.util.TimeUtils;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonNode;
 import com.google.gson.Gson;
+import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
-
+import com.fasterxml.jackson.databind.ObjectMapper;
 import java.util.*;
 import java.util.concurrent.atomic.AtomicReference;
 
@@ -20,6 +31,8 @@ import java.util.concurrent.atomic.AtomicReference;
 public class DataScreenService  extends ServiceImpl<DataScreenMapper, Mail> {
 
 
+
+    private final  MailFlowService mailFlowService;
     public List<Map<String,Object>> mapData(String deptId){
         return baseMapper.mapData(deptId);
     }
@@ -231,4 +244,46 @@ public class DataScreenService  extends ServiceImpl<DataScreenMapper, Mail> {
        }
        return map;
    }
+
+
+   public MailDetail getMailDetail(Map<String,Object>  params){
+       MailDetail mailDetail=   baseMapper.getMailDetail(params);
+        if(StringUtils.isNotNull(mailDetail.getVerifyFollowupPolice())){
+            String verifyReportedPolicesJSON=mailDetail.getVerifyReportedPolices();
+            JSONArray jsonArray= JSONArray.parse(verifyReportedPolicesJSON);
+            List<Map> mapList=new ArrayList<>();
+            if (jsonArray.size() > 0) {
+                for (int i = 0; i < jsonArray.size(); i++) {
+                    Map mapPolice = JSON.parseObject(jsonArray.get(i).toString());
+                    mapList.add(baseMapper.getVerifyPolice(mapPolice)) ;
+                }
+            }
+            mailDetail.setVerifyPoliceList(mapList);
+        }
+        //获取主单位签收时长
+       Map<String,Integer> signMap =  baseMapper.getDuration(mailDetail.getId(), FlowNodeEnum.SECOND_SIGN.getKey());
+        if(signMap.size()>0) {
+            mailDetail.setSignDuration(signMap.get("consuming_time"));
+            mailDetail.setSignDuration(signMap.get("limited_time"));
+            mailDetail.setSignDurationStr(TimeUtils.secondsToTime(signMap.get("consuming_time")));
+        }
+       //获取三级机构联系群众时长
+       Map<String,Integer> contactMap =  baseMapper.getDuration(mailDetail.getId(), FlowNodeEnum.CONTACT_WRITER.getKey());
+       if(contactMap.size()>0) {
+           mailDetail.setContactMassesDuration(contactMap.get("consuming_time"));
+           mailDetail.setContactLimitedDuration(contactMap.get("limited_time"));
+           mailDetail.setContactMassesDurationStr(TimeUtils.secondsToTime(contactMap.get("consuming_time")));
+       }
+
+       if(StringUtils.isNotNull(mailDetail.getVerifyFollowupPolice())){
+           String verifyFollowupPolice=mailDetail.getVerifyFollowupPolice();
+           JSONObject mapPolice = JSON.parseObject(verifyFollowupPolice);
+           mailDetail.setFollowName(mapPolice.getString("name"));
+           mailDetail.setFollowMobile(mapPolice.getString("phone"));
+           mailDetail.setFollowEmpNo(mapPolice.getString("empNo"));
+       }
+
+       mailDetail.setMailFlowList( mailFlowService.listOrderByCreateTimeDesc( mailDetail.getId()));
+        return mailDetail;
+   }
 }
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/service/MailFlowService.java b/mailbox-lan/src/main/java/com/biutag/lan/service/MailFlowService.java
index f234dfb..a388e0e 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/service/MailFlowService.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/service/MailFlowService.java
@@ -29,4 +29,9 @@ public class MailFlowService extends ServiceImpl<MailFlowMapper, MailFlow> {
         return list.get(list.size() - 1).getCreateTime();
     }
 
+
+    public List<MailFlow> listOrderByCreateTimeDesc(String mailId) {
+        LambdaQueryWrapper<MailFlow> queryWrapper = new LambdaQueryWrapper<MailFlow>().eq(MailFlow::getMailId, mailId).orderByDesc(MailFlow::getCreateTime);
+        return list(queryWrapper);
+    }
 }
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/service/impl/DutyServiceImpl.java b/mailbox-lan/src/main/java/com/biutag/lan/service/impl/DutyServiceImpl.java
index 0b73df3..80271d1 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/service/impl/DutyServiceImpl.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/service/impl/DutyServiceImpl.java
@@ -68,7 +68,7 @@ public class DutyServiceImpl implements IDutyService {
         queryWrapper.orderByDesc("create_time");
 
 
-        if(StringUtils.isNotEmpty(searchValidate.getSearchTime()) ) {
+        if(StringUtils.isNotNull(searchValidate.getSearchTime())&& !"null".equals(searchValidate.getSearchTime())) {
             dutyMapper.setSearch(queryWrapper, searchValidate, new String[]{
                     "like:departName@depart_name:str",
                     "like:policeName@police_name:str",
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 75eff03..40c08a0 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
@@ -47,7 +47,7 @@ public class HolidayServiceImpl implements IHolidayService {
         QueryWrapper<Holiday> queryWrapper = new QueryWrapper<>();
         queryWrapper.orderByDesc("id");
 
-        if(StringUtils.isNotEmpty(searchValidate.getSearchDate()) ) {
+        if(StringUtils.isNotNull(searchValidate.getSearchDate())&& !"null".equals(searchValidate.getSearchDate())) {
             holidayMapper.setSearch(queryWrapper, searchValidate, new String[]{
                     "like:holidayName@holiday_name:str",
                     "<=:searchDate@start_date:str",
diff --git a/mailbox-lan/src/main/resources/mapper/DataScreenMapper.xml b/mailbox-lan/src/main/resources/mapper/DataScreenMapper.xml
index 169c238..e0b3a7d 100644
--- a/mailbox-lan/src/main/resources/mapper/DataScreenMapper.xml
+++ b/mailbox-lan/src/main/resources/mapper/DataScreenMapper.xml
@@ -209,5 +209,19 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         GROUP BY d.name,a.id
     </select>
 
+    <select id="getMailDetail" resultType="com.biutag.lan.domain.vo.MailDetail">
+        select * from mail where id=#{id} limit 1
+    </select>
+    <select id="getVerifyPolice" resultType="java.util.Map">
+        select name,emp_no,id_code , gender,birthday ,(select name from dept where id =#{deptId} limit 1) deptName
+        from police_user where emp_no =#{empNo}  limit 1
+    </select>
+    <select id="getDuration" resultType="java.util.Map">
+        select  consuming_time,limited_time from mail_flow
+                                            where 1=1
+        <if test="mailId != null and mailId != ''">  and    mail_id=#{mailId}</if>
+        <if test="flowKey != null and flowKey != ''">  and  flow_key =#{flowKey}</if>
+    </select>
+
 
 </mapper>