diff --git a/mailbox-lan/src/main/java/com/biutag/lan/controller/system/MailLabelController.java b/mailbox-lan/src/main/java/com/biutag/lan/controller/system/MailLabelController.java
index 93281ed..cf3e1c9 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/controller/system/MailLabelController.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/controller/system/MailLabelController.java
@@ -34,8 +34,7 @@ public class MailLabelController {
     @PostMapping("/add")
     @ApiOperation(value="信件标签新增")
     public AjaxResult<Void> add(@Validated @RequestBody MailLabelValidate createValidate) {
-        iMailLabelService.addLabel(createValidate);
-        return AjaxResult.success();
+        return iMailLabelService.addLabel(createValidate);
     }
 
     @PostMapping("/insert")
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/controller/work/WorkController.java b/mailbox-lan/src/main/java/com/biutag/lan/controller/work/WorkController.java
index 4ab4d0c..4556147 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/controller/work/WorkController.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/controller/work/WorkController.java
@@ -1,7 +1,5 @@
 package com.biutag.lan.controller.work;
 
-import com.alibaba.excel.EasyExcel;
-import com.alibaba.fastjson2.JSON;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.biutag.aop.NotPower;
 import com.biutag.core.AjaxResult;
@@ -12,10 +10,9 @@ import com.biutag.lan.service.WorkService;
 import jakarta.servlet.http.HttpServletResponse;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
 
 import java.io.IOException;
-import java.net.URLEncoder;
-import java.util.List;
 
 @RequestMapping("api/work")
 @RequiredArgsConstructor
@@ -39,12 +36,19 @@ public class WorkController {
     @NotPower
     @PostMapping("export")
     public void detail(HttpServletResponse response, @RequestBody String dataWorkVo) throws IOException {
-        List<WorkVo> data = JSON.parseArray(dataWorkVo, WorkVo.class);
-        response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
-        response.setCharacterEncoding("utf-8");
-        // 这里URLEncoder.encode可以防止中文乱码
-        String fileName = URLEncoder.encode("测试", "UTF-8").replaceAll("\\+", "%20");
-        response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + fileName + ".xlsx");
-        EasyExcel.write(response.getOutputStream(), WorkVo.class).sheet("模板").doWrite(data);
+        workService.export(response, dataWorkVo);
+    }
+
+    @NotPower
+    @PostMapping("import")
+    public AjaxResult<Void> importExcel(MultipartFile file) throws IOException {
+        workService.importExcel(file);
+        return AjaxResult.success();
+    }
+
+    @NotPower
+    @GetMapping("dissatisfied")
+    public AjaxResult<Page<WorkVo>> dissatisfied(Page<Work> page, TodoQuery todoQuery) {
+        return AjaxResult.success(workService.dissatisfied(page, todoQuery));
     }
 }
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/domain/Mail.java b/mailbox-lan/src/main/java/com/biutag/lan/domain/Mail.java
index 1b12be1..6e84acc 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/domain/Mail.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/domain/Mail.java
@@ -293,4 +293,8 @@ public class Mail {
      */
     private String mailLabels;
 
+    private String currentOperator;
+    private String extensionReason;
+    private String extensionState;
+    private Integer extensionDays;
 }
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/domain/bo/TodoQuery.java b/mailbox-lan/src/main/java/com/biutag/lan/domain/bo/TodoQuery.java
index 2cf91d3..938cb03 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/domain/bo/TodoQuery.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/domain/bo/TodoQuery.java
@@ -39,6 +39,11 @@ public class TodoQuery {
      */
     private String mailLabels;
 
+    /**
+     * 申诉状态
+     */
+    private String AppealState;
+
     public List<String> handleMailLabels() {
         if (mailLabels == null) {
             return null;
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/service/ExcelService.java b/mailbox-lan/src/main/java/com/biutag/lan/service/ExcelService.java
new file mode 100644
index 0000000..763e5c3
--- /dev/null
+++ b/mailbox-lan/src/main/java/com/biutag/lan/service/ExcelService.java
@@ -0,0 +1,35 @@
+package com.biutag.lan.service;
+
+import com.alibaba.excel.context.AnalysisContext;
+import com.alibaba.excel.read.listener.ReadListener;
+import com.biutag.lan.domain.vo.WorkVo;
+import lombok.extern.slf4j.Slf4j;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.util.ArrayList;
+import java.util.List;
+
+@Slf4j
+public class ExcelService implements ReadListener<WorkVo> {
+    // 定义一个批量插入的大小
+    private static final int BATCH_SIZE = 100;
+    // 定义一个缓存的列表，用于存储读取到的数据
+    private List<WorkVo> dataList = new ArrayList<>(BATCH_SIZE);
+    // 定义一个数据库连接对象
+    private Connection connection;
+    // 定义一个预编译的SQL语句对象
+    private PreparedStatement preparedStatement;
+    public ExcelService(WorkService workService) {
+    }
+
+    @Override
+    public void invoke(WorkVo workVo, AnalysisContext analysisContext) {
+
+    }
+
+    @Override
+    public void doAfterAllAnalysed(AnalysisContext analysisContext) {
+
+    }
+}
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/service/IMailLabelService.java b/mailbox-lan/src/main/java/com/biutag/lan/service/IMailLabelService.java
index d010de3..31508a0 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/service/IMailLabelService.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/service/IMailLabelService.java
@@ -1,5 +1,6 @@
 package com.biutag.lan.service;
 
+import com.biutag.core.AjaxResult;
 import com.biutag.lan.validate.system.MailLabelInsertValidate;
 import com.biutag.lan.validate.system.MailLabelValidate;
 import com.biutag.lan.vo.system.MailLabelVO;
@@ -9,7 +10,7 @@ import java.util.List;
 public interface IMailLabelService {
     List<MailLabelVO> allLabels();
 
-    void addLabel(MailLabelValidate mailLabel);
+    AjaxResult<Void> addLabel(MailLabelValidate mailLabel);
 
     void insertLabel(MailLabelInsertValidate mailLabel);
 }
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/service/WorkService.java b/mailbox-lan/src/main/java/com/biutag/lan/service/WorkService.java
index 4264f06..57d0559 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/service/WorkService.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/service/WorkService.java
@@ -1,6 +1,8 @@
 package com.biutag.lan.service;
 
 import cn.hutool.core.util.StrUtil;
+import com.alibaba.excel.EasyExcel;
+import com.alibaba.fastjson2.JSON;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
@@ -17,10 +19,14 @@ import com.biutag.lan.enums.WorkType;
 import com.biutag.lan.mapper.MailLabelMapper;
 import com.biutag.lan.mapper.WorkMapper;
 import jakarta.annotation.Resource;
+import jakarta.servlet.http.HttpServletResponse;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.BeanUtils;
 import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
 
+import java.io.IOException;
+import java.net.URLEncoder;
 import java.time.LocalDateTime;
 import java.util.List;
 import java.util.Objects;
@@ -279,7 +285,61 @@ public class WorkService extends ServiceImpl<WorkMapper, Work> {
         return result;
     }
 
-    public WorkVo exportWork(Long id) {
-        return new WorkVo();
+    public void export(HttpServletResponse response, String dataWorkVo) throws IOException {
+        List<WorkVo> data = JSON.parseArray(dataWorkVo, WorkVo.class);
+        response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
+        response.setCharacterEncoding("utf-8");
+        // 这里URLEncoder.encode可以防止中文乱码
+        String fileName = URLEncoder.encode("测试", "UTF-8").replaceAll("\\+", "%20");
+        response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + fileName + ".xlsx");
+        EasyExcel.write(response.getOutputStream(), WorkVo.class).sheet("模板").doWrite(data);
+    }
+
+    public void importExcel(MultipartFile file) throws IOException {
+        EasyExcel.read(file.getInputStream(), WorkVo.class, new ExcelService(this)).sheet().doRead();
+    }
+
+    public Page<WorkVo> dissatisfied(Page<Work> page, TodoQuery todoQuery) {
+        QueryWrapper<Work> queryWrapper = new QueryWrapper<Work>()
+                .ge(StrUtil.isNotBlank(todoQuery.getMailTimeStart()), "TO_CHAR(m.mail_time, 'YYYY-MM-DD')", todoQuery.getMailTimeStart())
+                .le(StrUtil.isNotBlank(todoQuery.getMailTimeStartEnd()), "TO_CHAR(m.mail_time, 'YYYY-MM-DD')", todoQuery.getMailTimeStartEnd())
+                .eq(StrUtil.isNotBlank(todoQuery.getSource()), "m.source", todoQuery.getSource())
+                .eq(StrUtil.isNotBlank(todoQuery.getMailLevel()), "m.mail_level", todoQuery.getMailLevel())
+                .eq(StrUtil.isNotBlank(todoQuery.getMailCategory()), "m.mail_category", todoQuery.getMailCategory())
+                .like(StrUtil.isNotBlank(todoQuery.getThreeDeptName()), "m.three_dept_name", todoQuery.getThreeDeptName())
+//                .eq(StrUtil.isNotBlank(todoQuery.getAppealState()), "m.appeal_state", todoQuery.getAppealState())
+                .eq("m.satisfaction_status","不满意")
+                .or()
+                .eq("m.verify_feedback","不满意");
+        Integer roleId = AdminThreadLocal.getRoleId();
+        // 与角色相关的件
+        if (roleId.equals(RoleEnum.MUNICIPAL_DEPT_CLASSES.getRoleId()) ||
+                roleId.equals(RoleEnum.SECOND_DEPT_CLASSES.getRoleId()) ||
+                roleId.equals(RoleEnum.THREE_DEPT_CLASSES.getRoleId())) {
+            Integer deptId = AdminThreadLocal.getDeptId();
+            queryWrapper.eq("w.sign_role_id", roleId)
+                    // 如果不是市局专班，则需要查询签收部门ID
+                    .eq(!RoleEnum.MUNICIPAL_DEPT_CLASSES.getRoleId().equals(roleId), "w.sign_dept_id", deptId);
+        } else {
+            String empNo = AdminThreadLocal.getEmpNo();
+            queryWrapper.eq("w.police_emp_no", empNo);
+        }
+        if (StrUtil.isNotBlank(todoQuery.getContactField()) && StrUtil.isNotBlank(todoQuery.getContactFieldValue())) {
+            switch (todoQuery.getContactField()) {
+                case "name":
+                    queryWrapper.like("w.contact_name", todoQuery.getContactFieldValue());
+                    break;
+                case "idCard":
+                    queryWrapper.like("w.contactIdCard", todoQuery.getContactFieldValue());
+                    break;
+                case "phone":
+                    queryWrapper.like("w.contactPhone", todoQuery.getContactFieldValue());
+                    break;
+            }
+
+        }
+        // 排序
+        queryWrapper.orderByDesc("w.update_time");
+        return baseMapper.selectPageTodo(page, queryWrapper);
     }
 }
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/service/impl/MailLabelServiceImpl.java b/mailbox-lan/src/main/java/com/biutag/lan/service/impl/MailLabelServiceImpl.java
index 76f9980..a0cc75b 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/service/impl/MailLabelServiceImpl.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/service/impl/MailLabelServiceImpl.java
@@ -1,6 +1,7 @@
 package com.biutag.lan.service.impl;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.biutag.core.AjaxResult;
 import com.biutag.lan.domain.Mail;
 import com.biutag.lan.domain.MailLabel;
 import com.biutag.lan.mapper.MailLabelMapper;
@@ -47,10 +48,16 @@ public class MailLabelServiceImpl implements IMailLabelService {
      * @param mailLabel
      */
     @Override
-    public void addLabel(MailLabelValidate mailLabel) {
+    public AjaxResult<Void> addLabel(MailLabelValidate mailLabel) {
         MailLabel label = new MailLabel();
-        label.setLabelName(mailLabel.getLabelName());
-        mailLabelMapper.insert(label);
+        MailLabel existLabel = mailLabelMapper.selectOne(new QueryWrapper<MailLabel>().eq("label_name", mailLabel.getLabelName()));
+        if (existLabel == null) {
+            label.setLabelName(mailLabel.getLabelName());
+            mailLabelMapper.insert(label);
+            return AjaxResult.success();
+        } else {
+            return AjaxResult.failed("标签已存在");
+        }
     }
 
     @Override