diff --git a/src/main/java/cn/edu/cqwu/repair/controller/admin/AdminOrderController.java b/src/main/java/cn/edu/cqwu/repair/controller/admin/AdminOrderController.java
new file mode 100644
index 0000000..6986856
--- /dev/null
+++ b/src/main/java/cn/edu/cqwu/repair/controller/admin/AdminOrderController.java
@@ -0,0 +1,74 @@
+package cn.edu.cqwu.repair.controller.admin;
+
+import cn.edu.cqwu.repair.dao.OrderDao;
+import cn.edu.cqwu.repair.dao.WorkerDao;
+import cn.edu.cqwu.repair.entity.Order;
+import cn.edu.cqwu.repair.service.OrderService;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import java.util.ArrayList;
+
+/**
+ * @author xtaod
+ */
+@Controller
+public class AdminOrderController {
+    OrderDao orderDao;
+    WorkerDao workerDao;
+    OrderService orderService;
+
+    public AdminOrderController(OrderDao orderDao, WorkerDao workerDao, OrderService orderService) {
+        this.orderDao = orderDao;
+        this.workerDao = workerDao;
+        this.orderService = orderService;
+    }
+
+    @RequestMapping("/admin/order_manage/manage.do")
+    public String manage(
+            String userNo,
+            String workerNo,
+            String contact,
+            String phone,
+            Model model) {
+        model.addAttribute("userNo", userNo);
+        model.addAttribute("workerNo", workerNo);
+        model.addAttribute("contact", contact);
+        model.addAttribute("phone", phone);
+        if (userNo != null && workerNo != null && contact != null && phone != null) {
+            ArrayList<Order> orders = orderDao.find(userNo, workerNo, contact, phone);
+            model.addAttribute("Orders", orders);
+        } else {
+            model.addAttribute("stuManageMess", "* 请输入查询条件！");
+        }
+        return "/admin/order";
+    }
+
+    @RequestMapping("/admin/order_manage/delete.do")
+    public String delete(int id, Model model) {
+        if (orderDao.delete(id) != 0) {
+            model.addAttribute("orderMess", "* 订单 " + id + " 已删除！");
+        } else {
+            model.addAttribute("orderMess", "* 订单 " + id + " 删除失败！");
+        }
+        return "/admin/order";
+    }
+
+    @RequestMapping("/admin/order_manage/choose.do")
+    public String choose(int id, Model model) {
+        model.addAttribute("id", id);
+        model.addAttribute("workers", workerDao.findAll());
+        return "/admin/order_choose";
+    }
+
+    @RequestMapping("/admin/order_manage/chooseApply.do")
+    public String chooseApply(int id, int workerNo, Model model) {
+        if (orderService.modifyOrderStatus(id, workerNo) != 0) {
+            model.addAttribute("orderMess", "* 订单 " + id + " 已分配给工人 " + workerNo + "！");
+        } else {
+            model.addAttribute("orderMess", "* 订单 " + id + " 分配失败！");
+        }
+        return "/admin/order_choose";
+    }
+}
diff --git a/src/main/java/cn/edu/cqwu/repair/dao/OrderDao.java b/src/main/java/cn/edu/cqwu/repair/dao/OrderDao.java
index 3391a93..d5b0fa1 100644
--- a/src/main/java/cn/edu/cqwu/repair/dao/OrderDao.java
+++ b/src/main/java/cn/edu/cqwu/repair/dao/OrderDao.java
@@ -8,6 +8,8 @@ public interface OrderDao {
 
     int add(Order order);
     int update(Order order);
+    int delete(Order order);
+    int delete(int orderId);
     ArrayList<Order> findByStudent_id(int stuId);
     ArrayList<Order> findCurrent(int stuId);
     ArrayList<Order> findByWorkerId(int workerId);
@@ -17,4 +19,7 @@ public interface OrderDao {
     public Order findByOrderId(int orderId);
 
     public ArrayList<Order> findHistoryList(int workerId);
+
+    ArrayList<Order> find(String userNo, String workerNo, String contact, String phone);
+
 }
diff --git a/src/main/java/cn/edu/cqwu/repair/dao/WorkerDao.java b/src/main/java/cn/edu/cqwu/repair/dao/WorkerDao.java
index 7627bb0..8047e9f 100644
--- a/src/main/java/cn/edu/cqwu/repair/dao/WorkerDao.java
+++ b/src/main/java/cn/edu/cqwu/repair/dao/WorkerDao.java
@@ -12,6 +12,7 @@ public interface WorkerDao {
     public ArrayList<Worker> findWorkersLikeUsername(String username);
 
     ArrayList<Worker> findAll();
+    Worker findByUserId(int userId);
 
     int deleteByUserName(String username);
 
diff --git a/src/main/java/cn/edu/cqwu/repair/dao/impl/OrderDaoImpl.java b/src/main/java/cn/edu/cqwu/repair/dao/impl/OrderDaoImpl.java
index 372e01d..f19b956 100644
--- a/src/main/java/cn/edu/cqwu/repair/dao/impl/OrderDaoImpl.java
+++ b/src/main/java/cn/edu/cqwu/repair/dao/impl/OrderDaoImpl.java
@@ -13,6 +13,7 @@ import org.springframework.stereotype.Component;
 
 import java.util.ArrayList;
 
+import static cn.edu.cqwu.repair.entity.table.StuTableDef.STU;
 import static cn.edu.cqwu.repair.entity.table.WorkerTableDef.WORKER;
 import static cn.edu.cqwu.repair.entity.table.OrderTableDef.ORDER;
 
@@ -33,6 +34,20 @@ public class OrderDaoImpl implements OrderDao {
         return mapper.update(order);
     }
 
+    @Override
+    public int delete(Order order) {
+        return mapper.delete(order);
+    }
+
+    @Override
+    public int delete(int orderId) {
+        Order order = findByOrderId(orderId);
+        if (order == null) {
+            return 0;
+        }
+        return delete(order);
+    }
+
     @Override
     public ArrayList<Order> findByStudent_id(int stuId) {
         QueryWrapper qw = new QueryWrapper();
@@ -87,4 +102,25 @@ public class OrderDaoImpl implements OrderDao {
         return (ArrayList<Order>) mapper.selectListByQuery(qw);
     }
 
+    @Override
+    public ArrayList<Order> find(String userNo, String workerNo, String contact, String phone) {
+        QueryWrapper qw = new QueryWrapper();
+        qw.select(ORDER.ALL_COLUMNS);
+        if (userNo != null && !userNo.isEmpty()) {
+            qw.leftJoin(STU).on(ORDER.STUDENT_ID.eq(STU.USERID));
+            qw.where(STU.USER_NO.like(userNo));
+        }
+        if (workerNo != null && !workerNo.isEmpty()) {
+            qw.leftJoin(WORKER).on(ORDER.WORKER_ID.eq(WORKER.USERID));
+            qw.where(WORKER.USER_NO.like(workerNo));
+        }
+        if (contact != null && !contact.isEmpty()) {
+            qw.where(ORDER.CONTACT.like(contact));
+        }
+        if (phone != null && !phone.isEmpty()) {
+            qw.where(ORDER.PHONE.like(phone));
+        }
+        return (ArrayList<Order>) mapper.selectListByQuery(qw);
+    }
+
 }
diff --git a/src/main/java/cn/edu/cqwu/repair/dao/impl/WorkerDaoImpl.java b/src/main/java/cn/edu/cqwu/repair/dao/impl/WorkerDaoImpl.java
index ec5574c..cc16ba8 100644
--- a/src/main/java/cn/edu/cqwu/repair/dao/impl/WorkerDaoImpl.java
+++ b/src/main/java/cn/edu/cqwu/repair/dao/impl/WorkerDaoImpl.java
@@ -59,6 +59,13 @@ public class WorkerDaoImpl implements WorkerDao {
         return (ArrayList<Worker>) MAPPER.selectAll();
     }
 
+    @Override
+    public Worker findByUserId(int userId) {
+        QueryWrapper qw = new QueryWrapper();
+        qw.select(WORKER.ALL_COLUMNS).where(WORKER.USERID.eq(userId));
+        return MAPPER.selectOneByQuery(qw);
+    }
+
     @Override
     public int deleteByUserName(String username) {
         QueryWrapper qw = new QueryWrapper();
diff --git a/src/main/java/cn/edu/cqwu/repair/service/OrderService.java b/src/main/java/cn/edu/cqwu/repair/service/OrderService.java
index fa959c8..b917b44 100644
--- a/src/main/java/cn/edu/cqwu/repair/service/OrderService.java
+++ b/src/main/java/cn/edu/cqwu/repair/service/OrderService.java
@@ -1,8 +1,13 @@
 package cn.edu.cqwu.repair.service;
 
+import cn.edu.cqwu.repair.entity.Order;
+import cn.edu.cqwu.repair.entity.Worker;
+
 /**
  * @author xtaod
  */
 public interface OrderService {
     void submitWorkers();
+    int modifyOrderStatus(int orderId, int workerId);
+    int modifyOrderStatus(Order order, Worker worker);
 }
diff --git a/src/main/java/cn/edu/cqwu/repair/service/impl/OrderServiceImpl.java b/src/main/java/cn/edu/cqwu/repair/service/impl/OrderServiceImpl.java
index 2bf1454..4921bc8 100644
--- a/src/main/java/cn/edu/cqwu/repair/service/impl/OrderServiceImpl.java
+++ b/src/main/java/cn/edu/cqwu/repair/service/impl/OrderServiceImpl.java
@@ -42,9 +42,33 @@ public class OrderServiceImpl implements OrderService {
         }
     }
 
+    @Override
+    public int modifyOrderStatus(int orderId, int workerId) {
+        Order order = orderDao.findByOrderId(orderId);
+        Worker worker = workerDao.findByUserId(workerId);
+        return modifyOrderStatus(order, worker);
+    }
+
+    @Override
+    public int modifyOrderStatus(Order order, Worker worker) {
+        if (order.getWorkerId() != 0) {
+            Worker oldWorker = workerDao.findByUserId(order.getWorkerId());
+            oldWorker.setOrderStatus(WorkerStatus.FREE.value);
+            workerDao.update(oldWorker);
+            System.out.println("修改了 worker " + oldWorker.getUserid() + " - " + oldWorker.getOrderStatus());
+        }
+        order.setWorkerId(worker.getUserid());
+        order.setOrderStatus(OrderStatus.PROGRESS.value);
+        worker.setOrderStatus(WorkerStatus.BUSY.value);
+        workerDao.update(worker);
+        System.out.println("修改了 order " + order.getOrderId() + " - " + order.getOrderStatus());
+        System.out.println("修改了 worker " + worker.getUserid() + " - " + worker.getOrderStatus());
+        return orderDao.update(order);
+    }
+
     @Override
     @Async
-    @Scheduled(cron = "0 0/5 * * * ? ")
+    @Scheduled(cron = "0 */5 * * * ? ")
     public void submitWorkers() {
         System.out.println("[submitWorkers] start");
         initDeviceMap();
@@ -52,13 +76,7 @@ public class OrderServiceImpl implements OrderService {
         for (Order order: orders) {
             Worker worker = getFreeWorker(deviceTypeMap.get(order.getDeviceId()));
             if (worker != null) {
-                order.setWorkerId(worker.getUserid());
-                order.setOrderStatus(OrderStatus.PROGRESS.value);
-                orderDao.update(order);
-                worker.setOrderStatus(WorkerStatus.BUSY.value);
-                workerDao.update(worker);
-                System.out.println("修改了 order " + order.getOrderId() + " - " + order.getOrderStatus());
-                System.out.println("修改了 worker " + worker.getUserid() + " - " + worker.getOrderStatus());
+                modifyOrderStatus(order, worker);
             }
         }
         System.out.println("[submitWorkers] end");
diff --git a/src/main/resources/springmvc.xml b/src/main/resources/springmvc.xml
index ef299ca..e787357 100644
--- a/src/main/resources/springmvc.xml
+++ b/src/main/resources/springmvc.xml
@@ -3,12 +3,15 @@
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xmlns:context="http://www.springframework.org/schema/context"
   xmlns:mvc="http://www.springframework.org/schema/mvc"
+  xmlns:task="http://www.springframework.org/schema/task"
   xsi:schemaLocation="http://www.springframework.org/schema/beans
     http://www.springframework.org/schema/beans/spring-beans.xsd
     http://www.springframework.org/schema/context
     http://www.springframework.org/schema/context/spring-context.xsd
     http://www.springframework.org/schema/mvc
-    http://www.springframework.org/schema/mvc/spring-mvc.xsd">
+    http://www.springframework.org/schema/mvc/spring-mvc.xsd
+    http://www.springframework.org/schema/task
+    http://www.springframework.org/schema/task/spring-task.xsd">
     <context:component-scan base-package="cn.edu.cqwu.repair"/>
     
     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
@@ -19,5 +22,15 @@
     <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver" />
 
     <mvc:annotation-driven />
+
+    <task:annotation-driven executor="myExecutor" />
+
+    <bean id="myExecutor" class="org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor">
+        <property name="corePoolSize" value="5" />
+        <property name="maxPoolSize" value="10" />
+        <property name="queueCapacity" value="200" />
+        <property name="ThreadNamePrefix" value="MyExecutor-" />
+    </bean>
+
     <mvc:default-servlet-handler />
 </beans>
diff --git a/src/main/webapp/admin/order.jsp b/src/main/webapp/admin/order.jsp
new file mode 100644
index 0000000..2529fa2
--- /dev/null
+++ b/src/main/webapp/admin/order.jsp
@@ -0,0 +1,114 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: xtaod
+  Date: 2024/6/6
+  Time: 下午9:48
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page import="cn.edu.cqwu.repair.entity.Device" %>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
+<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
+<%@ page isELIgnored="false" %>
+<c:set var="title" value="维修单维护"/>
+<c:set var="webroot" value="${pageContext.request.contextPath}"/>
+<c:set var="repairOrder" value="${requestScope.Orders}"/>
+<html>
+<head>
+    <link rel="stylesheet" href="${webroot}/styles/bootstrap.min.css">
+
+
+    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
+    <title>${title}</title>
+    <link rel="stylesheet" href="${webroot}/styles/bootstrap.min.css" crossorigin="anonymous">
+    <script src="${webroot}/js/bootstrap.bundle.min.js"></script>
+    <link rel="stylesheet" href="${webroot}/styles/sidebar.css" crossorigin="anonymous">
+    <link rel="stylesheet" href="${webroot}/styles/index.css" crossorigin="anonymous">
+</head>
+<body>
+<main class="d-flex flex-nowrap">
+    <%@ include file="../includes/header.jsp" %>
+
+    <main class="form-signin w-100 m-auto scrollspy" style="min-width: 800px">
+
+        <img class="mb-4" src="${webroot}/images/logo.jpg" alt="" width="72" height="72">
+        <h1 class="h3 mb-3 fw-normal">${title}</h1>
+        <c:if test="${not empty requestScope.orderMess}">
+            <div class="alert alert-warning" role="alert">
+                    ${requestScope.orderMess}
+            </div>
+        </c:if>
+
+        <form action="${webroot}/admin/order_manage/manage.do" method="post">
+            <div class="input-group mb-3">
+                <span class="input-group-text">学号</span>
+                <input type="text" class="form-control" name="userNo" id="userNo" value="${userNo}">
+            </div>
+            <div class="input-group mb-3">
+                <span class="input-group-text">工号</span>
+                <input type="text" class="form-control" name="workerNo" id="workerNo" value="${workerNo}">
+            </div>
+            <div class="input-group mb-3">
+                <span class="input-group-text">联系人</span>
+                <input type="text" class="form-control" name="contact" id="contact" value="${contact}">
+            </div>
+            <div class="input-group mb-3">
+                <span class="input-group-text">手机号</span>
+                <input type="text" class="form-control" name="phone" id="phone" value="${phone}">
+            </div>
+            <input class="btn btn-primary w-100 py-2" type="submit" id="submit" value="查询">
+            <br/><br/>
+        </form>
+
+        <c:if test="${not empty Orders}">
+        <table class="table">
+            <thead>
+            <tr>
+                <th scope="col">序号</th>
+                <th scope="col">联系人名称</th>
+                <th scope="col">联系人电话</th>
+                <th scope="col">详细地点</th>
+                <th scope="col">故障描述</th>
+                <th scope="col">处理状态</th>
+                <th scope="col">操作</th>
+            </tr>
+            </thead>
+            <tbody>
+            <c:forEach var="repairOrder" items="${requestScope.Orders}" varStatus="loop">
+                <tr>
+                    <td>${loop.index + 1}</td>
+                    <td>${repairOrder.contact}</td>
+                    <td>${repairOrder.phone}</td>
+                    <td>${repairOrder.address}</td>
+                    <td>${repairOrder.faultDesc}</td>
+                    <td>
+                        <c:choose>
+                            <c:when test="${repairOrder.orderStatus==0}">
+                                待安排维修人员
+                            </c:when>
+                            <c:when test="${repairOrder.orderStatus==1}">
+                                正在维修中
+                            </c:when>
+                            <c:when test="${repairOrder.orderStatus==2}">
+                                等待评价
+                            </c:when>
+                            <c:otherwise>
+                                维修已完成
+                            </c:otherwise>
+                        </c:choose>
+                    </td>
+                    <td>
+                        <a href="${webroot}/admin/order_manage/choose.do?id=${repairOrder.orderId}">分配</a> |
+                        <a href="${webroot}/admin/order_manage/info.do?id=${repairOrder.orderId}">详情</a> |
+                        <a href="${webroot}/admin/order_manage/delete.do?id=${repairOrder.orderId}">撤销</a>
+                    </td>
+                </tr>
+            </c:forEach>
+            </tbody>
+        </table>
+        </c:if>
+    </main>
+</main>
+</body>
+</html>
diff --git a/src/main/webapp/admin/order_choose.jsp b/src/main/webapp/admin/order_choose.jsp
new file mode 100644
index 0000000..96c8f29
--- /dev/null
+++ b/src/main/webapp/admin/order_choose.jsp
@@ -0,0 +1,58 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: xtaod
+  Date: 2024/6/6
+  Time: 下午10:18
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page import="cn.edu.cqwu.repair.entity.Device" %>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
+<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
+<%@ page isELIgnored="false" %>
+<c:set var="title" value="维修单维护 - 订单分配"/>
+<c:set var="webroot" value="${pageContext.request.contextPath}"/>
+<c:set var="repairOrder" value="${requestScope.Orders}"/>
+<html>
+<head>
+    <link rel="stylesheet" href="${webroot}/styles/bootstrap.min.css">
+
+
+    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
+    <title>${title}</title>
+    <link rel="stylesheet" href="${webroot}/styles/bootstrap.min.css" crossorigin="anonymous">
+    <script src="${webroot}/js/bootstrap.bundle.min.js"></script>
+    <link rel="stylesheet" href="${webroot}/styles/sidebar.css" crossorigin="anonymous">
+    <link rel="stylesheet" href="${webroot}/styles/index.css" crossorigin="anonymous">
+</head>
+<body>
+<main class="d-flex flex-nowrap">
+    <%@ include file="../includes/header.jsp" %>
+
+    <main class="form-signin w-100 m-auto scrollspy" style="min-width: 800px">
+
+        <img class="mb-4" src="${webroot}/images/logo.jpg" alt="" width="72" height="72">
+        <h1 class="h3 mb-3 fw-normal">${title}</h1>
+        <c:if test="${not empty requestScope.orderMess}">
+            <div class="alert alert-warning" role="alert">
+                    ${requestScope.orderMess}
+            </div>
+        </c:if>
+
+        <form action="${webroot}/admin/order_manage/chooseApply.do?id=${id}" method="post">
+            <div class="input-group mb-3">
+                <span class="input-group-text">维修人员</span>
+                <select class="form-select" name="workerNo" id="workerNo" required>
+                    <c:forEach items="${workers}" var="worker">
+                        <option value="${worker.userid}">${worker.username}</option>
+                    </c:forEach>
+                </select>
+            </div>
+            <input class="btn btn-primary w-100 py-2" type="submit" id="submit" value="分配">
+            <br/><br/>
+        </form>
+    </main>
+</main>
+</body>
+</html>
diff --git a/src/main/webapp/includes/menu.jsp b/src/main/webapp/includes/menu.jsp
index 7f1fd95..da82859 100644
--- a/src/main/webapp/includes/menu.jsp
+++ b/src/main/webapp/includes/menu.jsp
@@ -62,7 +62,7 @@
                 </a>
             </li>
             <li class="nav-item">
-                <a href="${webroot}/admin/state.jsp" class="nav-link link-body-emphasis" aria-current="page">
+                <a href="${webroot}/admin/order.jsp" class="nav-link link-body-emphasis" aria-current="page">
                     >> 维修单管理
                 </a>
             </li>