diff --git a/src/main/java/cn/ppdxzz/controller/DormController.java b/src/main/java/cn/ppdxzz/controller/DormController.java
index 3fc82be..f6d88c5 100644
--- a/src/main/java/cn/ppdxzz/controller/DormController.java
+++ b/src/main/java/cn/ppdxzz/controller/DormController.java
@@ -8,6 +8,7 @@ import cn.ppdxzz.service.DormService;
 import cn.ppdxzz.service.StudentService;
 import com.github.pagehelper.PageInfo;
 import org.apache.commons.io.IOUtils;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -20,9 +21,11 @@ import java.io.InputStream;
 import java.io.PrintWriter;
 import java.util.List;
 
+
 @RequestMapping("/dorm")
 @Controller
-public class DormController {
+public class DormController
+{
 
     // 定义宿舍服务、学生服务和管理员服务的私有成员变量
     private DormService dormService;
@@ -31,19 +34,22 @@ public class DormController {
 
     // 使用@Autowired注解自动注入DormService实例
     @Autowired
-    public void setStudentService(StudentService studentService) {
+    public void setStudentService(StudentService studentService)
+    {
         this.studentService = studentService;
     }
 
     // 使用@Autowired注解自动注入StudentService实例
     @Autowired
-    public void setDormService(DormService dormService) {
+    public void setDormService(DormService dormService)
+    {
         this.dormService = dormService;
     }
 
     // 使用@Autowired注解自动注入AdminService实例
     @Autowired
-    public void setAdminService(AdminService adminService) {
+    public void setAdminService(AdminService adminService)
+    {
         this.adminService = adminService;
     }
 
@@ -58,7 +64,10 @@ public class DormController {
      */
 
     @RequestMapping("/findAll")
-    public ModelAndView findAll(@RequestParam(name = "page", required = true, defaultValue = "1")int page, @RequestParam(name = "size", required = true, defaultValue = "5") int size, HttpServletRequest request, HttpServletResponse response) throws Exception {
+    public ModelAndView findAll(@RequestParam(name = "page", required = true, defaultValue = "1"
+    )int page, @RequestParam(name = "size", required = true, defaultValue = "5") int size,
+                                HttpServletRequest request, HttpServletResponse response) throws Exception
+    {
         // 设置请求和响应的字符编码为UTF-8
         request.setCharacterEncoding("utf-8");
         response.setCharacterEncoding("utf-8");
@@ -71,10 +80,13 @@ public class DormController {
 
         // 获取搜索关键字
         String keyword = request.getParameter("keyword");
-        if (keyword == null || "".trim().equals(keyword)) {
+        if (keyword == null || "".trim().equals(keyword))
+        {
             // 根据分页参数查询所有宿舍信息
             dorms = dormService.findAll(page,size);
-        }else {
+        }
+        else
+        {
             // 根据关键字进行搜索
             dorms = dormService.search(page,size,keyword);
         }
@@ -97,7 +109,8 @@ public class DormController {
      * @throws Exception 可能抛出的异常
      */
     @RequestMapping("/toAdd")
-    public String addDorm() throws Exception {
+    public String addDorm() throws Exception
+    {
         // 返回宿舍添加页面的视图名称
         return "dorm-add";
     }
@@ -108,7 +121,8 @@ public class DormController {
      * @throws Exception 可能抛出的异常
      */
     @RequestMapping("/add")
-    public void add(Dorm dorm,HttpServletResponse response) throws Exception {
+    public void add(Dorm dorm,HttpServletResponse response) throws Exception
+    {
         response.setCharacterEncoding("utf-8");
 
         // 获取PrintWriter对象，用于向客户端输出内容
@@ -116,14 +130,16 @@ public class DormController {
 
         // 检查宿舍对象及其必要属性是否为空
         if (dorm == null || dorm.getDorm_id() == null || dorm.getDorm_intro() == null || dorm.getDorm_rps() == null
-                || dorm.getDorm_leader() == null || dorm.getTeacher() == null) {
+                || dorm.getDorm_leader() == null || dorm.getTeacher() == null)
+        {
             writer.write("false");
             return;
         }
 
         // 根据宿舍ID查询是否存在相同ID的宿舍
         Dorm isNull = dormService.findByDormId(dorm.getDorm_id());
-        if (isNull != null) {
+        if (isNull != null)
+        {
             writer.write("false");
             return;
         }
@@ -140,7 +156,8 @@ public class DormController {
      * @throws Exception 可能抛出的异常
      */
     @RequestMapping("/isExist")
-    public void isExist(HttpServletRequest request,HttpServletResponse response) throws Exception {
+    public void isExist(HttpServletRequest request,HttpServletResponse response) throws Exception
+    {
         request.setCharacterEncoding("utf-8");
         response.setCharacterEncoding("utf-8");
         PrintWriter writer = response.getWriter();
@@ -148,7 +165,8 @@ public class DormController {
         // 获取请求中的宿舍ID参数
         String dorm_id = request.getParameter("dorm_id");
         Dorm isNull = dormService.findByDormId(dorm_id);
-        if (isNull != null) {
+        if (isNull != null)
+        {
             // 如果存在相同ID的宿舍，则返回"true"
             writer.write("true");
             return;
@@ -162,11 +180,13 @@ public class DormController {
      * @throws Exception 可能抛出的异常
      */
     @RequestMapping("/toUpdate")
-    public ModelAndView toUpdate(HttpServletRequest request) throws Exception {
+    public ModelAndView toUpdate(HttpServletRequest request) throws Exception
+    {
         request.setCharacterEncoding("utf-8");
         ModelAndView mv = new ModelAndView();
         String id = request.getParameter("id");
-        if (id == null) {
+        if (id == null)
+        {
             return mv;
         }
         Dorm dorm = dormService.findById(id);
@@ -187,11 +207,14 @@ public class DormController {
      * @throws Exception 可能抛出的异常
      */
     @RequestMapping("/update")
-    public void update(Dorm dorm,HttpServletResponse response) throws Exception {
+    public void update(Dorm dorm,HttpServletResponse response) throws Exception
+    {
         response.setCharacterEncoding("utf-8");
         PrintWriter writer = response.getWriter();
-        if (dorm == null ||dorm.getId() == null || dorm.getDorm_id() == null || dorm.getDorm_intro() == null || dorm.getDorm_rps() == null
-                || dorm.getDorm_leader() == null || dorm.getTeacher() == null) {
+        if (dorm == null ||dorm.getId() == null || dorm.getDorm_id() == null
+                || dorm.getDorm_intro() == null || dorm.getDorm_rps() == null
+                || dorm.getDorm_leader() == null || dorm.getTeacher() == null)
+        {
             writer.write("false");
             return;
         }
@@ -207,7 +230,8 @@ public class DormController {
      * @throws Exception 可能抛出的异常
      */
     @RequestMapping("/export")
-    public void export(HttpServletResponse response) throws Exception {
+    public void export(HttpServletResponse response) throws Exception
+    {
         // 获取宿舍信息的输入流
         InputStream is = dormService.getInputStream();
 
@@ -232,20 +256,26 @@ public class DormController {
      * @throws Exception 可能抛出的异常
      */
     @RequestMapping("/look")
-    public ModelAndView look(HttpServletRequest request) throws Exception {
+    public ModelAndView look(HttpServletRequest request) throws Exception
+    {
         ModelAndView mv = new ModelAndView();
         Dorm dorm = null;
         String id = request.getParameter("id");
         String uid = request.getParameter("uid");
 
         // 根据不同的参数情况查询宿舍信息
-        if (id == null && uid != null) {
+        if (id == null && uid != null)
+        {
             // 根据学生ID查询学生信息，再根据学生的宿舍ID查询宿舍信息
             Student stu = studentService.findBySno(uid);
             dorm = dormService.findByDormId(stu.getDorm_id());
-        }else if (id != null) {
+        }
+        else if (id != null)
+        {
             dorm = dormService.findById(id);
-        }else {
+        }
+        else
+        {
             return mv;
         }
         mv.addObject("dorm",dorm);
@@ -265,7 +295,8 @@ public class DormController {
 
     @RequestMapping("/byDorm_leader")
     //根据宿舍ID或学生ID查询宿舍学生信息
-    public ModelAndView find(HttpServletRequest request) throws Exception {
+    public ModelAndView find(HttpServletRequest request) throws Exception
+    {
         request.setCharacterEncoding("utf-8");
 
         // 创建ModelAndView对象，用于返回视图和数据
@@ -274,7 +305,8 @@ public class DormController {
         // 从请求中获取参数uid
         String uid = request.getParameter("uid");
         String dorm_id = request.getParameter("dorm_id");
-        if (dorm_id != null) {
+        if (dorm_id != null)
+        {
             // 根据dorm_id查询学生信息
             List<Student> studentsInfo = studentService.findByDormId(dorm_id, 1);
 
@@ -299,7 +331,8 @@ public class DormController {
 
     //根据教师ID查询该教师管理的宿舍信息
     @RequestMapping("/byTeacher")
-    public ModelAndView find1(HttpServletRequest request) throws Exception {
+    public ModelAndView find1(HttpServletRequest request) throws Exception
+    {
         ModelAndView mv = new ModelAndView();
         String uid = request.getParameter("uid");
 
@@ -309,7 +342,7 @@ public class DormController {
         // 根据管理员姓名查询宿舍信息
         List<Dorm> dorms = dormService.findByTeacher(admin.getName());
 
-        / 将宿舍信息添加到ModelAndView对象中
+        // 将宿舍信息添加到ModelAndView对象中
         mv.addObject("dorms",dorms);
         mv.setViewName("dormsTeacherInfo");
         return mv;
@@ -325,7 +358,10 @@ public class DormController {
      */
     @RequestMapping("/findStudent")
     //根据教师姓名和关键词分页查询学生集合
-    public ModelAndView findStudents(@RequestParam(name = "page", required = true, defaultValue = "1")int page, @RequestParam(name = "size", required = true, defaultValue = "5") int size,HttpServletRequest request) throws Exception {
+    public ModelAndView findStudents(@RequestParam(name = "page", required = true, defaultValue = "1")int page,
+                                     @RequestParam(name = "size", required = true, defaultValue = "5") int size,
+                                     HttpServletRequest request) throws Exception
+    {
         request.setCharacterEncoding("utf-8");
         ModelAndView mv = new ModelAndView();
 
@@ -339,11 +375,14 @@ public class DormController {
         // 打印关键词到控制台
         System.out.println(keyword);
 
-        if (keyword == null || "".trim().equals(keyword) || keyword.length() == 0) {
+        if (keyword == null || "".trim().equals(keyword) || keyword.length() == 0)
+        {
             // 根据教师姓名分页查询学生信息
             students = studentService.findByTeacher(page,size,teacher);
         }
-        if (keyword != null){
+
+        if (keyword != null)
+        {
             students = studentService.searchStudent(page,size,teacher,keyword);
         }
         PageInfo pageInfo = new PageInfo(students);
diff --git a/src/main/webapp/WEB-INF/jsp/dorm-edit.jsp b/src/main/webapp/WEB-INF/jsp/dorm-edit.jsp
index 39cef2e..389de45 100644
--- a/src/main/webapp/WEB-INF/jsp/dorm-edit.jsp
+++ b/src/main/webapp/WEB-INF/jsp/dorm-edit.jsp
@@ -1,16 +1,16 @@
+<!-- 生成一个宿舍信息管理页面-->
 <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
-<%--
-  Created by IntelliJ IDEA.
-  User: user
-  Date: 2020/2/19
-  Time: 21:16
-  To change this template use File | Settings | File Templates.
---%>
+<!-- 引入JSTL标签库，并定义前缀c-->
 <%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<!-- 设置页面内容类型为HTML，字符编码为UTF-8，使用的编程语言为Java-->
 <html>
+<!-- 定义HTML文档的根元素-->
 <head>
+    <!-- 包含文档的头部信息-->
     <title>Title</title>
+    <!-- 设置网页标题为“Title”-->
     <link rel="stylesheet" href="${pageContext.request.contextPath}/css/bootstrap.css">
+    <!-- 引入Bootstrap样式表，路径是相对于当前请求上下文的CSS文件夹下的bootstrap.css-->
     <script type="text/javascript" src="${pageContext.request.contextPath}/js/jquery-3.1.1.js"></script>
     <script type="text/javascript" src="${pageContext.request.contextPath}/js/bootstrap.js"></script>
     <script type="text/javascript" src="${pageContext.request.contextPath}/layer/layer.js"></script>
@@ -18,12 +18,18 @@
 <body>
 <br />
 <form>
+    <!-- 表格用于显示和编辑宿舍信息 -->
     <table class="table" style="width: 100%;text-align: center;">
         <tbody>
+        <!-- 宿舍号输入框 -->
         <tr>
-            <td><label for="dorm_id">宿舍号</label></td>
             <td>
+                <label for="dorm_id">宿舍号</label>
+            </td>
+            <td>
+                <!-- 隐藏的输入框，用于存储宿舍ID -->
                 <input type="hidden" id="id" name="id" value="${dorm.id}">
+                <!-- 根据管理员权限判断是否可编辑宿舍号 -->
                 <c:if test="${sessionScope.adminInfo.power > 3}">
                     <input type="text" name="dorm_id" placeholder="例:西七B209" value="${dorm.dorm_id}" class="form-control" id="dorm_id" required>
                 </c:if>
@@ -32,17 +38,22 @@
                 </c:if>
             </td>
         </tr>
+        <!-- 宿舍简介输入框 -->
         <tr>
-            <td><label for="dorm_intro">宿舍简介</label></td>
+            <td>
+                <label for="dorm_intro">宿舍简介</label>
+            </td>
             <td colspan="3">
                 <input class="form-control" id="dorm_intro" value="${dorm.dorm_intro}" name="dorm_intro" cols="2" maxlength="80" placeholder="请输入宿舍简介" required="required">
             </td>
         </tr>
+        <!-- 宿舍奖惩选择框 -->
         <tr>
             <td>
                 <label for="dorm_rps">宿舍奖惩</label>
             </td>
             <td colspan="3">
+                <!-- 根据当前宿舍的奖惩类型，动态生成下拉菜单选项 -->
                 <c:if test="${dorm.dorm_rps == '年度最佳宿舍'}">
                     <select class="form-control" name="dorm_rps" id="dorm_rps">
                         <option value="无" selected>无</option>
@@ -122,6 +133,7 @@
                 </c:if>
             </td>
         </tr>
+        <!-- 宿舍长输入框 -->
         <tr>
             <td>
                 <label for="dorm_leader">宿舍长</label>
@@ -130,9 +142,13 @@
                 <input type="text" name="dorm_leader" value="${dorm.dorm_leader}" class="form-control" id="dorm_leader" required>
             </td>
         </tr>
+        <!-- 育人导师选择框 -->
         <tr>
-            <td><label for="teacher">育人导师</label></td>
+            <td>
+                <label for="teacher">育人导师</label>
+            </td>
             <td colspan="3">
+                <!-- 根据当前宿舍的育人导师，动态生成下拉菜单选项 -->
                 <c:if test="${dorm.teacher == '小李'}">
                     <select class="form-control" name="teacher" id="teacher">
                         <option value="小李" selected>小李</option>
@@ -190,7 +206,9 @@
     </table>
 </form>
 <script>
+    // 当点击id为"update-dorm"的元素时，执行以下函数
     $("#update-dorm").click(function () {
+        // 获取并去除输入框中id、dorm_id、dorm_intro、dorm_rps、dorm_leader和teacher的值的前后空格
         var id = $("#id").val().trim();
         var dorm_id = $("#dorm_id").val().trim();
         var dorm_intro = $("#dorm_intro").val().trim();
@@ -198,14 +216,19 @@
         var dorm_leader = $("#dorm_leader").val().trim();
         var teacher = $("#teacher").val().trim();
 
+        // 检查是否有任何一个字段为空，如果有，则弹出提示信息并返回false，阻止后续代码执行
         if (id.length == 0 || dorm_id.length == 0 || dorm_intro.length == 0 || dorm_rps.length == 0 || dorm_leader == 0 || teacher.length == 0) {
             layer.msg('字段不能为空');
             return false;
         }
+
+        // 检查当前用户的权限是否小于1，如果是，则弹出提示信息并返回false，阻止后续代码执行
         if (${sessionScope.adminInfo.power < 1}) {
             layer.msg('权限不足');
             return false;
         }
+
+        // 使用AJAX发送POST请求到服务器进行数据更新操作
         $.ajax({
             url: "${pageContext.request.contextPath}/dorm/update",//要请求的服务器url
             //这是一个对象，表示请求的参数，两个参数：method=ajax&val=xxx，服务器可以通过request.getParameter()来获取
@@ -218,12 +241,13 @@
                 dorm_leader:dorm_leader,
                 teacher: teacher,
             },
-            type: "POST", //请求方式为POST
-            dataType: "json",
-            success:function(result){  //这个方法会在服务器执行成功时被调用 ，参数data就是服务器返回的值(现在是json类型)
+            type: "POST", // 请求方式为POST
+            dataType: "json",// 预期服务器返回的数据类型为JSON
+            success:function(result){ // 请求成功时的回调函数，参数result是服务器返回的数据
                 //alert(result);
                 if(result){
                     layer.msg('修改成功！');
+                    // 根据用户权限不同，跳转到不同的页面
                     if (${sessionScope.adminInfo.power == 1}) {
                         setTimeout(function () {window.location.href='${pageContext.request.contextPath}/dorm/look?uid=${sessionScope.adminInfo.uid}';},2000);
                     }
@@ -235,6 +259,7 @@
                         setTimeout(function () {window.location.href='${pageContext.request.contextPath}/dorm/findAll';},2000);
                     }
                 }else {
+                    // 如果服务器返回的结果为假（即修改失败）
                     layer.msg('修改失败，请联系管理员');
                     if (${sessionScope.adminInfo.power == 1}) {
                         setTimeout(function () {window.location.href='${pageContext.request.contextPath}/dorm/look?uid=${sessionScope.adminInfo.uid}';},2000);