diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/controller/StudentController.class b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/controller/StudentController.class
index 2272d09..f9904a0 100644
Binary files a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/controller/StudentController.class and b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/controller/StudentController.class differ
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/mapper/StudentDao.class b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/mapper/StudentDao.class
index 678afb0..588835d 100644
Binary files a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/mapper/StudentDao.class and b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/mapper/StudentDao.class differ
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/service/StudentService.class b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/service/StudentService.class
index f50e5ca..9ce1077 100644
Binary files a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/service/StudentService.class and b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/service/StudentService.class differ
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/mapper/StudentMapper.xml b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/mapper/StudentMapper.xml
index 6b734fd..1d03ad3 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/mapper/StudentMapper.xml
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/mapper/StudentMapper.xml
@@ -36,5 +36,17 @@
             </foreach>
         </if>
     </select>
+    <update id="updateStudent" parameterType="cyou.chenx221.pojo.Student">
+        UPDATE student
+        SET
+        <trim suffixOverrides=",">
+            <if test="name != null">name = #{name},</if>
+            <if test="sex != null">sex = #{sex},</if>
+            <if test="birthday != null">birthday = #{birthday},</if>
+            <if test="phone != null">phone = #{phone},</if>
+            <if test="classes != null">classes = #{classes},</if>
+        </trim>
+        WHERE id = #{id}
+    </update>
 
 </mapper>
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/dashboard.jsp b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/dashboard.jsp
index f9cf866..c875b20 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/dashboard.jsp
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/dashboard.jsp
@@ -15,7 +15,7 @@
     <link rel="stylesheet" href="${pageContext.request.contextPath}/resources/css/mdb.min.css" />
 </head>
 
-<body>
+<body style="font-family: 'Noto Sans SC Regular',serif">
 <!--Main Navigation-->
 <header>
     <nav class="navbar navbar-expand-lg navbar-light bg-light" style="z-index: 1;min-height: 58.59px">
@@ -42,10 +42,10 @@
                         <ul class="dropdown-menu" aria-labelledby="navbarDropdown1">
                             <li><a class="dropdown-item" href="student/all">学生信息显示</a></li>
                             <li><a class="dropdown-item" href="student/queryinfo">学生信息查询</a></li>
-                            <li><a class="dropdown-item" href="#">学生信息修改</a></li>
+                            <li><a class="dropdown-item" href="student/modstep1">学生信息修改</a></li>
                             <li><a class="dropdown-item" href="#">学生信息添加</a></li>
                             <li><a class="dropdown-item" href="#">学生信息删除</a></li>
-                            <li><a class="dropdown-item" href="#">自己输入sql语句查</a></li>
+                            <li><a class="dropdown-item disabled">自己输入sql语句查(没做)</a></li>
                             <li>
                                 <hr class="dropdown-divider" />
                             </li>
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/login.jsp b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/login.jsp
index de223c9..7fed716 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/login.jsp
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/login.jsp
@@ -18,7 +18,7 @@
 
 </head>
 
-<body>
+<body style="font-family: 'Noto Sans SC Regular',serif">
 
 <header>
     <nav class="navbar navbar-expand-lg navbar-light bg-light" style="z-index: 1;min-height: 58.59px">
@@ -59,36 +59,103 @@
                 <div class="container d-flex align-items-center justify-content-center h-100">
                     <div style="background-color: rgba(255,255,255,0.7);backdrop-filter: blur(30px)"
                          class="rounded-5 shadow-5-strong p-5">
-                        <form action="signin" method="POST">
-                            <h1 class="text-center mb-4" style="font-family: 'Noto Sans SC Light',serif">用户登录</h1>
-                            <div class="form-outline mb-4">
-                                <input type="text" id="form1Example1" class="form-control" name="username"/>
-                                <label class="form-label" for="form1Example1">用户名</label>
-                            </div>
-                            <div class="form-outline mb-4">
-                                <input type="password" id="form1Example2" class="form-control" name="password"/>
-                                <label class="form-label" for="form1Example2">密码</label>
-                            </div>
-                            <div class="row">
-                                <div class="col d-flex justify-content-center">
-                                    <div class="form-check">
-                                        <input class="form-check-input" type="checkbox" value=""
-                                               id="form1Example3"
-                                               checked/>
-                                        <label class="form-check-label" for="form1Example3">记住密码</label>
-                                    </div>
-                                </div>
-                                <div class="col">
-                                    <a href="#!">忘记密码?</a>
-                                </div>
-                            </div>
-                            <button type="button" class="btn btn-tertiary btn-block mx-auto"
-                                    data-mdb-ripple-color="light">没有账户? 注册账户
-                            </button>
-                            <button type="submit" class="btn btn-primary btn-block">登录</button>
-                            <%-- 显示错误信息 --%>
+                        <!-- Pills navs -->
+                        <ul class="nav nav-pills nav-justified mb-3" id="ex1" role="tablist">
+                            <li class="nav-item" role="presentation">
+                                <a
+                                        class="nav-link active"
+                                        id="tab-login"
+                                        data-mdb-toggle="pill"
+                                        href="#pills-login"
+                                        role="tab"
+                                        aria-controls="pills-login"
+                                        aria-selected="true"
+                                >登录</a>
+                            </li>
+                            <li class="nav-item" role="presentation">
+                                <a
+                                        class="nav-link"
+                                        id="tab-register"
+                                        data-mdb-toggle="pill"
+                                        href="#pills-register"
+                                        role="tab"
+                                        aria-controls="pills-register"
+                                        aria-selected="false"
+                                >注册</a>
+                            </li>
+                        </ul>
+                        <!-- Pills navs -->
 
-                        </form>
+                        <!-- Pills content -->
+                        <div class="tab-content">
+                            <div class="tab-pane fade show active" id="pills-login" role="tabpanel"
+                                 aria-labelledby="tab-login">
+                                <form action="signin" method="POST">
+                                    <h1 class="text-center mb-4" style="font-family: 'Noto Sans SC Light',serif">
+                                        用户登录</h1>
+                                    <div class="form-outline mb-4">
+                                        <input type="text" id="form1Example1" class="form-control" name="username"/>
+                                        <label class="form-label" for="form1Example1">用户名</label>
+                                    </div>
+                                    <div class="form-outline mb-4">
+                                        <input type="password" id="form1Example2" class="form-control" name="password"/>
+                                        <label class="form-label" for="form1Example2">密码</label>
+                                    </div>
+                                    <div class="row mb-4">
+                                        <div class="col d-flex justify-content-center">
+                                            <div class="form-check">
+                                                <input class="form-check-input" type="checkbox" value=""
+                                                       id="form1Example3"
+                                                       checked/>
+                                                <label class="form-check-label" for="form1Example3">记住密码</label>
+                                            </div>
+                                        </div>
+                                        <div class="col">
+                                            <a href="#!">忘记密码?</a>
+                                        </div>
+                                    </div>
+                                    <button type="submit" class="btn btn-primary btn-block mb-4">登录</button>
+                                    <%-- 显示错误信息 --%>
+                                    <!-- Register buttons -->
+                                    <div class="text-center">
+                                        <p>还没有账号? <a href="#!">注册一个</a></p>
+                                    </div>
+                                </form>
+                            </div>
+                            <div class="tab-pane fade" id="pills-register" role="tabpanel"
+                                 aria-labelledby="tab-register">
+                                <form>
+                                    <h1 class="text-center mb-4" style="font-family: 'Noto Sans SC Light',serif">
+                                        用户注册</h1>
+                                    <div class="form-outline mb-4">
+                                        <input type="text" id="registerUsername" class="form-control"/>
+                                        <label class="form-label" for="registerUsername">用户名</label>
+                                    </div>
+                                    <div class="form-outline mb-4">
+                                        <input type="password" id="registerPassword" class="form-control"/>
+                                        <label class="form-label" for="registerPassword">密码</label>
+                                    </div>
+                                    <div class="form-outline mb-4">
+                                        <input type="password" id="registerRepeatPassword" class="form-control"/>
+                                        <label class="form-label" for="registerRepeatPassword">重复密码</label>
+                                    </div>
+                                    <div class="form-check d-flex justify-content-center mb-4">
+                                        <input
+                                                class="form-check-input me-2"
+                                                type="checkbox"
+                                                value=""
+                                                id="registerCheck"
+                                                checked
+                                                aria-describedby="registerCheckHelpText"
+                                        />
+                                        <label class="form-check-label" for="registerCheck">
+                                            我已阅读并同意相关TOS
+                                        </label>
+                                    </div>
+                                    <button type="submit" class="btn btn-primary btn-block mb-3">注册</button>
+                                </form>
+                            </div>
+                        </div>
                     </div>
                 </div>
             </div>
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentList.jsp b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentList.jsp
index 30a183a..dca8d2e 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentList.jsp
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentList.jsp
@@ -30,7 +30,7 @@
     </style>
 </head>
 
-<body>
+<body style="font-family: 'Noto Sans SC Regular',serif">
 <!--Main Navigation-->
 <header>
     <nav class="navbar navbar-expand-lg navbar-light bg-light" style="z-index: 1;min-height: 58.59px">
@@ -129,6 +129,11 @@
          style="background-image: url('${pageContext.request.contextPath}/resources/img/jason-blackeye-nyL-rzwP-Mk-unsplash.jpg'); margin-top: -58.59px;">
         <div class="mask d-flex align-items-center h-100" style="background-color: hsla(0, 0%, 100%, 0.5);">
             <div class="container d-flex justify-content-center">
+                <button type="button" class="btn btn-primary" onclick="function goBack() {
+                    window.history.back();
+                }
+                goBack()">返回
+                </button>
                 <div class="table-container rounded-4 shadow-3-strong"
                      style="background-color: rgba(255,255,255,0.9); overflow-y: auto; max-height: 400px;">
                     <table class="table table-striped table-hover border-primary">
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentListQuery.jsp b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentListQuery.jsp
index 062504b..ca9e027 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentListQuery.jsp
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentListQuery.jsp
@@ -30,7 +30,7 @@
     </style>
 </head>
 
-<body>
+<body style="font-family: 'Noto Sans SC Regular',serif">
 <!--Main Navigation-->
 <header>
     <nav class="navbar navbar-expand-lg navbar-light bg-light" style="z-index: 1;min-height: 58.59px">
@@ -131,7 +131,26 @@
             <div class="container d-flex justify-content-center">
                 <div class="card">
                     <div class="card-body p-4 p-md-5">
-                        <h3 class="mb-4 pb-2">数据查询</h3>
+                        <h3 class="mb-2 pb-2">数据查询</h3>
+                        <!-- Button triggers collapse -->
+                        <a
+                                class="btn btn-primary mb-3"
+                                data-mdb-toggle="collapse"
+                                href="#collapseWithScrollbar"
+                                role="button"
+                                aria-expanded="false"
+                                aria-controls="collapseExample"
+                        >
+                            <i class="fas fa-circle-question"></i>
+                            帮助信息
+                        </a>
+
+                        <!-- Collapsed content -->
+                        <div class="collapse scroll-section" id="collapseWithScrollbar" style="max-width: 500px">
+                            <div class="note note-primary mb-3">
+                                <strong>提示:</strong> 这里的查询分成两类，班级查询与其他信息查询独立
+                            </div>
+                        </div>
                         <form action="query" method="post">
                             <div class="row">
                                 <div class="col-md-6 mb-4">
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentMod.jsp b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentMod.jsp
new file mode 100644
index 0000000..9c31dd4
--- /dev/null
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentMod.jsp
@@ -0,0 +1,302 @@
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"/>
+    <meta http-equiv="x-ua-compatible" content="ie=edge"/>
+    <title>学生信息查看</title>
+    <script src="${pageContext.request.contextPath}/resources/js/jquery-3.7.0.min.js"></script>
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css"/>
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap"
+          rel="stylesheet">
+    <link rel="stylesheet" href="${pageContext.request.contextPath}/resources/css/mdb.min.css"/>
+    <link rel="stylesheet" href="${pageContext.request.contextPath}/resources/css/datepicker.min.css"/>
+    <style>
+        .table-container {
+            min-width: 60vw; /* 设置最小宽度为视窗宽度的80% */
+            min-height: 80vh; /* 设置最小高度为视窗高度的80% */
+            /*display: flex;*/
+            align-items: center;
+            justify-content: center;
+        }
+
+        .table-container table {
+            width: 100%;
+            height: 100%;
+        }
+    </style>
+</head>
+
+<body style="font-family: 'Noto Sans SC Regular',serif">
+<!--Main Navigation-->
+<header>
+    <nav class="navbar navbar-expand-lg navbar-light bg-light" style="z-index: 1;min-height: 58.59px">
+        <div class="container">
+            <button class="navbar-toggler" type="button" data-mdb-toggle="collapse"
+                    data-mdb-target="#navbarSupportedContent" aria-controls="navbarSupportedContent"
+                    aria-expanded="false" aria-label="Toggle navigation">
+                <i class="fas fa-bars"></i>
+            </button>
+            <div class="collapse navbar-collapse" id="navbarSupportedContent">
+                <a class="navbar-brand mt-2 mt-lg-0" href="#">
+                    <i class="fas fa-chalkboard-user me-2"></i>
+                    教务管理系统
+                </a>
+                <ul class="navbar-nav">
+                    <li class="nav-item">
+                        <a class="nav-link active" aria-current="page" href="#">首页</a>
+                    </li>
+                    <li class="nav-item dropdown">
+                        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown1" role="button"
+                           data-mdb-toggle="dropdown" aria-expanded="false">
+                            学生管理
+                        </a>
+                        <ul class="dropdown-menu" aria-labelledby="navbarDropdown1">
+                            <li><a class="dropdown-item" href="#">学生信息查询</a></li>
+                            <li><a class="dropdown-item" href="#">学生信息管理</a></li>
+                            <li><a class="dropdown-item" href="#">学生信息管理</a></li>
+                            <li>
+                                <hr class="dropdown-divider"/>
+                            </li>
+                            <li><a class="dropdown-item" href="#">学生成绩管理</a></li>
+                            <li><a class="dropdown-item" href="#">学生成绩管理</a></li>
+                            <li><a class="dropdown-item" href="#">学生成绩管理</a></li>
+                            <li>
+                                <hr class="dropdown-divider"/>
+                            </li>
+                            <li><a class="dropdown-item" href="#">学生选课管理</a></li>
+                            <li><a class="dropdown-item" href="#">学生选课管理</a></li>
+                            <li><a class="dropdown-item" href="#">学生选课管理</a></li>
+                        </ul>
+                    </li>
+                    <li class="nav-item dropdown">
+                        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown2" role="button"
+                           data-mdb-toggle="dropdown" aria-expanded="false">
+                            教师管理
+                        </a>
+                        <ul class="dropdown-menu" aria-labelledby="navbarDropdown2">
+                            <li><a class="dropdown-item" href="#">教师信息管理</a></li>
+                            <li><a class="dropdown-item" href="#">教师课程管理</a></li>
+                        </ul>
+                    </li>
+                    <li class="nav-item dropdown">
+                        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown3" role="button"
+                           data-mdb-toggle="dropdown" aria-expanded="false">
+                            课程管理
+                        </a>
+                        <ul class="dropdown-menu" aria-labelledby="navbarDropdown3">
+                            <li><a class="dropdown-item" href="#">课程信息管理</a></li>
+                            <li><a class="dropdown-item" href="#">课程安排管理</a></li>
+                        </ul>
+                    </li>
+                    <li class="nav-item dropdown">
+                        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown4" role="button"
+                           data-mdb-toggle="dropdown" aria-expanded="false">
+                            系统管理
+                        </a>
+                        <ul class="dropdown-menu" aria-labelledby="navbarDropdown4">
+                            <li><a class="dropdown-item" href="#">个人设定</a></li>
+                            <li><a class="dropdown-item" href="#">用户管理</a></li>
+                            <li><a class="dropdown-item" href="#">日志管理</a></li>
+                            <li><a class="dropdown-item" href="#">版本信息</a></li>
+                        </ul>
+                    </li>
+                </ul>
+            </div>
+            <div class="dropdown">
+                <a class="dropdown-toggle d-flex align-items-center hidden-arrow" href="#"
+                   id="navbarDropdownMenuAvatar" role="button" data-mdb-toggle="dropdown" aria-expanded="false">
+                    <i class="fas fa-circle-user fa-lg"></i>
+                </a>
+                <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="navbarDropdownMenuAvatar">
+                    <li>
+                        <a class="dropdown-item" href="logout">登出</a>
+                    </li>
+                </ul>
+            </div>
+        </div>
+    </nav>
+</header>
+
+<!--Main Navigation-->
+
+<!--Main layout-->
+<main>
+    <div class="bg-image shadow-2-strong vh-100"
+         style="background-image: url('${pageContext.request.contextPath}/resources/img/jason-blackeye-nyL-rzwP-Mk-unsplash.jpg'); margin-top: -58.59px;">
+        <div class="mask d-flex align-items-center h-100" style="background-color: hsla(0, 0%, 100%, 0.5);">
+            <div class="container d-flex justify-content-center">
+                <button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回</button>
+                <div class="table-container rounded-4 shadow-3-strong"
+                     style="background-color: rgba(255,255,255,0.9); overflow-y: auto; max-height: 400px;">
+                    <table class="table table-striped table-hover border-primary">
+                        <thead>
+                        <tr>
+                            <th scope="col">ID</th>
+                            <th scope="col">姓名</th>
+                            <th scope="col">性别</th>
+                            <th scope="col">出生日期</th>
+                            <th scope="col">联系方式</th>
+                            <th scope="col">班级</th>
+                        </tr>
+                        </thead>
+                        <tbody>
+                        <c:forEach var="student" items="${students}">
+                            <tr>
+                                <td>${student.id}</td>
+                                <td>${student.name}</td>
+                                <td>${student.sex}</td>
+                                <td>${student.birthday}</td>
+                                <td>${student.phone}</td>
+                                <td>${student.classes}</td>
+                            </tr>
+                        </c:forEach>
+                        </tbody>
+                    </table>
+                </div>
+                <div class="container">
+                    <div class="card rounded-4 shadow-3-strong">
+                        <h5 class="card-header">信息修改</h5>
+                        <div class="card-body">
+                            <form action="modinfo" method="post">
+                                <div class="row mb-2">
+                                    <div class="col-12">
+                                        <div class="form-outline">
+                                            <input type="number" id="typeText1" class="form-control" required name="id"/>
+                                            <label class="form-label" for="typeText1">ID (必填)</label>
+                                        </div>
+                                    </div>
+                                </div>
+                                <div class="row mb-2">
+                                    <div class="col-12">
+                                        <div class="form-outline">
+                                            <input type="text" id="typeText2" class="form-control"
+                                                   name="name"/>
+                                            <label class="form-label" for="typeText2">姓名</label>
+                                        </div>
+                                    </div>
+                                </div>
+                                <div class="row mb-2">
+                                    <div class="col-12">
+                                        <div class="form-outline">
+                                            <input type="text" id="typeText3" class="form-control" name="sex"/>
+                                            <label class="form-label" for="typeText3">性别 (男/女)</label>
+                                        </div>
+                                    </div>
+                                </div>
+                                <div class="row mb-2">
+                                    <div class="col-12">
+                                        <div class="form-outline datepicker">
+                                            <input type="text" id="typeText4" class="form-control"
+                                                   name="birthday"/>
+                                            <label class="form-label" for="typeText4">出生日期</label>
+                                        </div>
+                                    </div>
+                                </div>
+                                <div class="row mb-2">
+                                    <div class="col-12">
+                                        <div class="form-outline">
+                                            <input type="text" id="typeText5" class="form-control"
+                                                   name="phone"/>
+                                            <label class="form-label" for="typeText5">联系方式</label>
+                                        </div>
+                                    </div>
+                                </div>
+                                <div class="row mb-2">
+                                    <div class="col-12">
+                                        <div class="form-outline">
+                                            <input type="text" id="typeText6" class="form-control"
+                                                   name="classes"/>
+                                            <label class="form-label" for="typeText6">班级</label>
+                                        </div>
+                                    </div>
+                                </div>
+                                <div class="row mb-2">
+                                    <div class="col-lg-6">
+                                        <button type="submit" class="btn btn-primary" data-mdb-toggle="tooltip" data-mdb-placement="top" title="留空为不做修改">更改</button>
+                                    </div>
+                                    <div class="col-lg-6">
+                                        <button type="reset" class="btn btn-secondary">重置</button>
+                                    </div>
+                                </div>
+                            </form>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+    <!-- Modal -->
+    <div class="modal fade" id="exampleModal" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="true">
+        <div class="modal-dialog">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <h5 class="modal-title" id="exampleModalLabel">
+                        <i class="fas fa-circle-exclamation me-2"></i>错误
+                    </h5>
+                    <button type="button" class="btn-close" data-mdb-dismiss="modal" aria-label="Close"></button>
+                </div>
+                <div class="modal-body">
+                    <c:if test="${not empty errorMessage}">
+                        ${errorMessage}
+                    </c:if>
+                </div>
+                <div class="modal-footer">
+                    <button type="button" class="btn btn-primary" data-mdb-dismiss="modal">OK</button>
+                </div>
+            </div>
+        </div>
+    </div>
+    <!-- Modal -->
+    <div class="modal fade" id="exampleModal2" tabindex="-1" aria-labelledby="exampleModalLabel2" aria-hidden="true">
+        <div class="modal-dialog">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <h5 class="modal-title" id="exampleModalLabel2">
+                        <i class="fas fa-circle-check me-2"></i>成功
+                    </h5>
+                    <button type="button" class="btn-close" data-mdb-dismiss="modal" aria-label="Close"></button>
+                </div>
+                <div class="modal-body">
+                    <c:if test="${not empty successMessage}">
+                        ${successMessage}
+                    </c:if>
+                </div>
+                <div class="modal-footer">
+                    <button type="button" class="btn btn-primary" data-mdb-dismiss="modal">OK</button>
+                </div>
+            </div>
+        </div>
+    </div>
+</main>
+
+<!--Main layout-->
+
+<!-- Footer -->
+<footer class="bg-link text-center text-lg-start ">
+</footer>
+<!-- Footer -->
+
+
+<script type="text/javascript" src="${pageContext.request.contextPath}/resources/js/mdb.min.js"></script>
+<script type="text/javascript" src="${pageContext.request.contextPath}/resources/js/datepicker.min.js"></script>
+<script>
+    $(document).ready(function () {
+        <%-- 判断模型中是否存在错误信息 --%>
+        <c:if test="${not empty errorMessage && errorMessage ne 'null'}">
+        $('#exampleModal').modal('show');
+        </c:if>
+        <c:if test="${not empty successMessage && successMessage ne 'null'}">
+        $('#exampleModal2').modal('show');
+        </c:if>
+    });
+</script>
+
+</body>
+
+</html>
\ No newline at end of file
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentQueryResult.jsp b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentQueryResult.jsp
index 55ac958..21c2420 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentQueryResult.jsp
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentQueryResult.jsp
@@ -1,5 +1,5 @@
 <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
-<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
+<%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
 <!DOCTYPE html>
 <html lang="en">
 
@@ -30,7 +30,7 @@
     </style>
 </head>
 
-<body>
+<body style="font-family: 'Noto Sans SC Regular',serif">
 <!--Main Navigation-->
 <header>
     <nav class="navbar navbar-expand-lg navbar-light bg-light" style="z-index: 1;min-height: 58.59px">
@@ -129,6 +129,11 @@
          style="background-image: url('${pageContext.request.contextPath}/resources/img/jason-blackeye-nyL-rzwP-Mk-unsplash.jpg'); margin-top: -58.59px;">
         <div class="mask d-flex align-items-center h-100" style="background-color: hsla(0, 0%, 100%, 0.5);">
             <div class="container d-flex justify-content-center">
+                <button type="button" class="btn btn-primary" onclick="function goBack() {
+                    window.history.back();
+                }
+                goBack()">返回
+                </button>
                 <div class="table-container rounded-4 shadow-3-strong"
                      style="background-color: rgba(255,255,255,0.9); overflow-y: auto; max-height: 400px;">
                     <table class="table table-striped table-hover border-primary">
diff --git a/project2/src/main/java/cyou/chenx221/controller/StudentController.java b/project2/src/main/java/cyou/chenx221/controller/StudentController.java
index e7d6f39..820f112 100644
--- a/project2/src/main/java/cyou/chenx221/controller/StudentController.java
+++ b/project2/src/main/java/cyou/chenx221/controller/StudentController.java
@@ -48,14 +48,12 @@ public class StudentController {
                                    @RequestParam(value = "phone", defaultValue = "null", required = false) String phone,
                                    @RequestParam(value = "classes", defaultValue = "", required = false) List<String> classes,
                                    Model model) {
-        //根据classes是否为空，判断是否需要查询班级，如果为空则不需要查询班级，如果不为空则仅查询班级
-        //debug
-        System.out.println("name: " + name);
-        System.out.println("birthday: " + birthday);
-        System.out.println("option: " + option);
-        System.out.println("id: " + id);
-        System.out.println("phone: " + phone);
-        System.out.println("classes: " + classes);
+//        System.out.println("name: " + name);
+//        System.out.println("birthday: " + birthday);
+//        System.out.println("option: " + option);
+//        System.out.println("id: " + id);
+//        System.out.println("phone: " + phone);
+//        System.out.println("classes: " + classes);
 
         List<Student> students;
         Student student;
@@ -73,10 +71,55 @@ public class StudentController {
 
 
         model.addAttribute("students", students);
-        return "studentQueryResult"; // 重定向到 dashboard 页面
-//        return "success";
+        return "studentQueryResult";
     }
 
+    @GetMapping("/modstep1")
+    public String getModStep1(@RequestParam(value = "successMessage", required = false , defaultValue = "null") String successMessage,
+                              @RequestParam(value = "errorMessage" ,required = false , defaultValue = "null") String errorMessage,
+                              Model model) {
+        List<Student> students = studentService.getAllStudents();
+        model.addAttribute("students", students);
+        // 将消息添加到Model中
+        model.addAttribute("successMessage", successMessage);
+        model.addAttribute("errorMessage", errorMessage);
+        return "studentMod";
+    }
+
+    @PostMapping(value = "/modinfo", produces = "application/x-www-form-urlencoded;charset=UTF-8")
+    public String UpdateModInfo(@RequestParam(value = "name", defaultValue = "null", required = false) String name,
+                                @RequestParam(value = "birthday", defaultValue = "#{null}", required = false) Date birthday,
+                                @RequestParam(value = "sex", defaultValue = "null", required = false) String sex,
+                                @RequestParam(value = "id", defaultValue = "-1", required = false) int id,
+                                @RequestParam(value = "phone", defaultValue = "null", required = false) String phone,
+                                @RequestParam(value = "classes", defaultValue = "", required = false) String classes,
+                                Model model) {
+        System.out.println("name: " + name);
+        System.out.println("birthday: " + birthday);
+        System.out.println("sex: " + sex);
+        System.out.println("id: " + id);
+        System.out.println("phone: " + phone);
+        System.out.println("classes: " + classes);
+//
+        List<Student> students;
+        Student student;
+        if (name.equals("null")) name = null;
+        if (sex.equals("null")) sex = null;
+        if (phone.equals("null")) phone = null;
+        if (classes.equals("")) classes = null;
+
+        if (id <= -1) {
+            model.addAttribute("errorMessage", "学生信息修改失败");
+        } else {
+            student = new Student(id, name, sex, birthday, phone, classes);
+            studentService.updateStudent(student);
+            model.addAttribute("successMessage", "学生信息修改成功");
+        }
+        return "redirect:/student/modstep1";
+    }
+//            students = studentService.getQueryStudents(student);
+
+
 //    // 示例：处理查询学生信息的请求
 //    @GetMapping("/{studentId}")
 //    public String getStudentById(@PathVariable int studentId) {
diff --git a/project2/src/main/java/cyou/chenx221/mapper/StudentDao.java b/project2/src/main/java/cyou/chenx221/mapper/StudentDao.java
index 73dc865..5e409a1 100644
--- a/project2/src/main/java/cyou/chenx221/mapper/StudentDao.java
+++ b/project2/src/main/java/cyou/chenx221/mapper/StudentDao.java
@@ -9,11 +9,11 @@ import java.util.List;
 @Repository
 public interface StudentDao {
     void insertStudent(Student student);
-    void updateStudent(Student student);
     void deleteStudent(int studentId);
     Student getStudentById(int studentId);
     List<Student> getAllStudents();
 
     List<Student> getQueryStudents(Student student);
     List<Student> getQueryStudents2(Student student);
+    void updateStudent(Student student);
 }
diff --git a/project2/src/main/java/cyou/chenx221/service/StudentService.java b/project2/src/main/java/cyou/chenx221/service/StudentService.java
index 971eae5..05be1a8 100644
--- a/project2/src/main/java/cyou/chenx221/service/StudentService.java
+++ b/project2/src/main/java/cyou/chenx221/service/StudentService.java
@@ -19,10 +19,6 @@ public class StudentService {
         studentDao.insertStudent(student);
     }
 
-    public void updateStudent(Student student) {
-        studentDao.updateStudent(student);
-    }
-
     public void deleteStudent(int studentId) {
         studentDao.deleteStudent(studentId);
     }
@@ -42,4 +38,8 @@ public class StudentService {
     public List<Student> getQueryStudents2(Student student) {
         return studentDao.getQueryStudents2(student);
     }
+
+    public void updateStudent(Student student) {
+        studentDao.updateStudent(student);
+    }
 }
diff --git a/project2/src/main/resources/mapper/StudentMapper.xml b/project2/src/main/resources/mapper/StudentMapper.xml
index 6b734fd..1d03ad3 100644
--- a/project2/src/main/resources/mapper/StudentMapper.xml
+++ b/project2/src/main/resources/mapper/StudentMapper.xml
@@ -36,5 +36,17 @@
             </foreach>
         </if>
     </select>
+    <update id="updateStudent" parameterType="cyou.chenx221.pojo.Student">
+        UPDATE student
+        SET
+        <trim suffixOverrides=",">
+            <if test="name != null">name = #{name},</if>
+            <if test="sex != null">sex = #{sex},</if>
+            <if test="birthday != null">birthday = #{birthday},</if>
+            <if test="phone != null">phone = #{phone},</if>
+            <if test="classes != null">classes = #{classes},</if>
+        </trim>
+        WHERE id = #{id}
+    </update>
 
 </mapper>
diff --git a/project2/web/WEB-INF/views/dashboard.jsp b/project2/web/WEB-INF/views/dashboard.jsp
index f9cf866..c875b20 100644
--- a/project2/web/WEB-INF/views/dashboard.jsp
+++ b/project2/web/WEB-INF/views/dashboard.jsp
@@ -15,7 +15,7 @@
     <link rel="stylesheet" href="${pageContext.request.contextPath}/resources/css/mdb.min.css" />
 </head>
 
-<body>
+<body style="font-family: 'Noto Sans SC Regular',serif">
 <!--Main Navigation-->
 <header>
     <nav class="navbar navbar-expand-lg navbar-light bg-light" style="z-index: 1;min-height: 58.59px">
@@ -42,10 +42,10 @@
                         <ul class="dropdown-menu" aria-labelledby="navbarDropdown1">
                             <li><a class="dropdown-item" href="student/all">学生信息显示</a></li>
                             <li><a class="dropdown-item" href="student/queryinfo">学生信息查询</a></li>
-                            <li><a class="dropdown-item" href="#">学生信息修改</a></li>
+                            <li><a class="dropdown-item" href="student/modstep1">学生信息修改</a></li>
                             <li><a class="dropdown-item" href="#">学生信息添加</a></li>
                             <li><a class="dropdown-item" href="#">学生信息删除</a></li>
-                            <li><a class="dropdown-item" href="#">自己输入sql语句查</a></li>
+                            <li><a class="dropdown-item disabled">自己输入sql语句查(没做)</a></li>
                             <li>
                                 <hr class="dropdown-divider" />
                             </li>
diff --git a/project2/web/WEB-INF/views/login.jsp b/project2/web/WEB-INF/views/login.jsp
index de223c9..7fed716 100644
--- a/project2/web/WEB-INF/views/login.jsp
+++ b/project2/web/WEB-INF/views/login.jsp
@@ -18,7 +18,7 @@
 
 </head>
 
-<body>
+<body style="font-family: 'Noto Sans SC Regular',serif">
 
 <header>
     <nav class="navbar navbar-expand-lg navbar-light bg-light" style="z-index: 1;min-height: 58.59px">
@@ -59,36 +59,103 @@
                 <div class="container d-flex align-items-center justify-content-center h-100">
                     <div style="background-color: rgba(255,255,255,0.7);backdrop-filter: blur(30px)"
                          class="rounded-5 shadow-5-strong p-5">
-                        <form action="signin" method="POST">
-                            <h1 class="text-center mb-4" style="font-family: 'Noto Sans SC Light',serif">用户登录</h1>
-                            <div class="form-outline mb-4">
-                                <input type="text" id="form1Example1" class="form-control" name="username"/>
-                                <label class="form-label" for="form1Example1">用户名</label>
-                            </div>
-                            <div class="form-outline mb-4">
-                                <input type="password" id="form1Example2" class="form-control" name="password"/>
-                                <label class="form-label" for="form1Example2">密码</label>
-                            </div>
-                            <div class="row">
-                                <div class="col d-flex justify-content-center">
-                                    <div class="form-check">
-                                        <input class="form-check-input" type="checkbox" value=""
-                                               id="form1Example3"
-                                               checked/>
-                                        <label class="form-check-label" for="form1Example3">记住密码</label>
-                                    </div>
-                                </div>
-                                <div class="col">
-                                    <a href="#!">忘记密码?</a>
-                                </div>
-                            </div>
-                            <button type="button" class="btn btn-tertiary btn-block mx-auto"
-                                    data-mdb-ripple-color="light">没有账户? 注册账户
-                            </button>
-                            <button type="submit" class="btn btn-primary btn-block">登录</button>
-                            <%-- 显示错误信息 --%>
+                        <!-- Pills navs -->
+                        <ul class="nav nav-pills nav-justified mb-3" id="ex1" role="tablist">
+                            <li class="nav-item" role="presentation">
+                                <a
+                                        class="nav-link active"
+                                        id="tab-login"
+                                        data-mdb-toggle="pill"
+                                        href="#pills-login"
+                                        role="tab"
+                                        aria-controls="pills-login"
+                                        aria-selected="true"
+                                >登录</a>
+                            </li>
+                            <li class="nav-item" role="presentation">
+                                <a
+                                        class="nav-link"
+                                        id="tab-register"
+                                        data-mdb-toggle="pill"
+                                        href="#pills-register"
+                                        role="tab"
+                                        aria-controls="pills-register"
+                                        aria-selected="false"
+                                >注册</a>
+                            </li>
+                        </ul>
+                        <!-- Pills navs -->
 
-                        </form>
+                        <!-- Pills content -->
+                        <div class="tab-content">
+                            <div class="tab-pane fade show active" id="pills-login" role="tabpanel"
+                                 aria-labelledby="tab-login">
+                                <form action="signin" method="POST">
+                                    <h1 class="text-center mb-4" style="font-family: 'Noto Sans SC Light',serif">
+                                        用户登录</h1>
+                                    <div class="form-outline mb-4">
+                                        <input type="text" id="form1Example1" class="form-control" name="username"/>
+                                        <label class="form-label" for="form1Example1">用户名</label>
+                                    </div>
+                                    <div class="form-outline mb-4">
+                                        <input type="password" id="form1Example2" class="form-control" name="password"/>
+                                        <label class="form-label" for="form1Example2">密码</label>
+                                    </div>
+                                    <div class="row mb-4">
+                                        <div class="col d-flex justify-content-center">
+                                            <div class="form-check">
+                                                <input class="form-check-input" type="checkbox" value=""
+                                                       id="form1Example3"
+                                                       checked/>
+                                                <label class="form-check-label" for="form1Example3">记住密码</label>
+                                            </div>
+                                        </div>
+                                        <div class="col">
+                                            <a href="#!">忘记密码?</a>
+                                        </div>
+                                    </div>
+                                    <button type="submit" class="btn btn-primary btn-block mb-4">登录</button>
+                                    <%-- 显示错误信息 --%>
+                                    <!-- Register buttons -->
+                                    <div class="text-center">
+                                        <p>还没有账号? <a href="#!">注册一个</a></p>
+                                    </div>
+                                </form>
+                            </div>
+                            <div class="tab-pane fade" id="pills-register" role="tabpanel"
+                                 aria-labelledby="tab-register">
+                                <form>
+                                    <h1 class="text-center mb-4" style="font-family: 'Noto Sans SC Light',serif">
+                                        用户注册</h1>
+                                    <div class="form-outline mb-4">
+                                        <input type="text" id="registerUsername" class="form-control"/>
+                                        <label class="form-label" for="registerUsername">用户名</label>
+                                    </div>
+                                    <div class="form-outline mb-4">
+                                        <input type="password" id="registerPassword" class="form-control"/>
+                                        <label class="form-label" for="registerPassword">密码</label>
+                                    </div>
+                                    <div class="form-outline mb-4">
+                                        <input type="password" id="registerRepeatPassword" class="form-control"/>
+                                        <label class="form-label" for="registerRepeatPassword">重复密码</label>
+                                    </div>
+                                    <div class="form-check d-flex justify-content-center mb-4">
+                                        <input
+                                                class="form-check-input me-2"
+                                                type="checkbox"
+                                                value=""
+                                                id="registerCheck"
+                                                checked
+                                                aria-describedby="registerCheckHelpText"
+                                        />
+                                        <label class="form-check-label" for="registerCheck">
+                                            我已阅读并同意相关TOS
+                                        </label>
+                                    </div>
+                                    <button type="submit" class="btn btn-primary btn-block mb-3">注册</button>
+                                </form>
+                            </div>
+                        </div>
                     </div>
                 </div>
             </div>
diff --git a/project2/web/WEB-INF/views/studentList.jsp b/project2/web/WEB-INF/views/studentList.jsp
index 30a183a..dca8d2e 100644
--- a/project2/web/WEB-INF/views/studentList.jsp
+++ b/project2/web/WEB-INF/views/studentList.jsp
@@ -30,7 +30,7 @@
     </style>
 </head>
 
-<body>
+<body style="font-family: 'Noto Sans SC Regular',serif">
 <!--Main Navigation-->
 <header>
     <nav class="navbar navbar-expand-lg navbar-light bg-light" style="z-index: 1;min-height: 58.59px">
@@ -129,6 +129,11 @@
          style="background-image: url('${pageContext.request.contextPath}/resources/img/jason-blackeye-nyL-rzwP-Mk-unsplash.jpg'); margin-top: -58.59px;">
         <div class="mask d-flex align-items-center h-100" style="background-color: hsla(0, 0%, 100%, 0.5);">
             <div class="container d-flex justify-content-center">
+                <button type="button" class="btn btn-primary" onclick="function goBack() {
+                    window.history.back();
+                }
+                goBack()">返回
+                </button>
                 <div class="table-container rounded-4 shadow-3-strong"
                      style="background-color: rgba(255,255,255,0.9); overflow-y: auto; max-height: 400px;">
                     <table class="table table-striped table-hover border-primary">
diff --git a/project2/web/WEB-INF/views/studentListQuery.jsp b/project2/web/WEB-INF/views/studentListQuery.jsp
index 062504b..ca9e027 100644
--- a/project2/web/WEB-INF/views/studentListQuery.jsp
+++ b/project2/web/WEB-INF/views/studentListQuery.jsp
@@ -30,7 +30,7 @@
     </style>
 </head>
 
-<body>
+<body style="font-family: 'Noto Sans SC Regular',serif">
 <!--Main Navigation-->
 <header>
     <nav class="navbar navbar-expand-lg navbar-light bg-light" style="z-index: 1;min-height: 58.59px">
@@ -131,7 +131,26 @@
             <div class="container d-flex justify-content-center">
                 <div class="card">
                     <div class="card-body p-4 p-md-5">
-                        <h3 class="mb-4 pb-2">数据查询</h3>
+                        <h3 class="mb-2 pb-2">数据查询</h3>
+                        <!-- Button triggers collapse -->
+                        <a
+                                class="btn btn-primary mb-3"
+                                data-mdb-toggle="collapse"
+                                href="#collapseWithScrollbar"
+                                role="button"
+                                aria-expanded="false"
+                                aria-controls="collapseExample"
+                        >
+                            <i class="fas fa-circle-question"></i>
+                            帮助信息
+                        </a>
+
+                        <!-- Collapsed content -->
+                        <div class="collapse scroll-section" id="collapseWithScrollbar" style="max-width: 500px">
+                            <div class="note note-primary mb-3">
+                                <strong>提示:</strong> 这里的查询分成两类，班级查询与其他信息查询独立
+                            </div>
+                        </div>
                         <form action="query" method="post">
                             <div class="row">
                                 <div class="col-md-6 mb-4">
diff --git a/project2/web/WEB-INF/views/studentMod.jsp b/project2/web/WEB-INF/views/studentMod.jsp
new file mode 100644
index 0000000..9c31dd4
--- /dev/null
+++ b/project2/web/WEB-INF/views/studentMod.jsp
@@ -0,0 +1,302 @@
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"/>
+    <meta http-equiv="x-ua-compatible" content="ie=edge"/>
+    <title>学生信息查看</title>
+    <script src="${pageContext.request.contextPath}/resources/js/jquery-3.7.0.min.js"></script>
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css"/>
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap"
+          rel="stylesheet">
+    <link rel="stylesheet" href="${pageContext.request.contextPath}/resources/css/mdb.min.css"/>
+    <link rel="stylesheet" href="${pageContext.request.contextPath}/resources/css/datepicker.min.css"/>
+    <style>
+        .table-container {
+            min-width: 60vw; /* 设置最小宽度为视窗宽度的80% */
+            min-height: 80vh; /* 设置最小高度为视窗高度的80% */
+            /*display: flex;*/
+            align-items: center;
+            justify-content: center;
+        }
+
+        .table-container table {
+            width: 100%;
+            height: 100%;
+        }
+    </style>
+</head>
+
+<body style="font-family: 'Noto Sans SC Regular',serif">
+<!--Main Navigation-->
+<header>
+    <nav class="navbar navbar-expand-lg navbar-light bg-light" style="z-index: 1;min-height: 58.59px">
+        <div class="container">
+            <button class="navbar-toggler" type="button" data-mdb-toggle="collapse"
+                    data-mdb-target="#navbarSupportedContent" aria-controls="navbarSupportedContent"
+                    aria-expanded="false" aria-label="Toggle navigation">
+                <i class="fas fa-bars"></i>
+            </button>
+            <div class="collapse navbar-collapse" id="navbarSupportedContent">
+                <a class="navbar-brand mt-2 mt-lg-0" href="#">
+                    <i class="fas fa-chalkboard-user me-2"></i>
+                    教务管理系统
+                </a>
+                <ul class="navbar-nav">
+                    <li class="nav-item">
+                        <a class="nav-link active" aria-current="page" href="#">首页</a>
+                    </li>
+                    <li class="nav-item dropdown">
+                        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown1" role="button"
+                           data-mdb-toggle="dropdown" aria-expanded="false">
+                            学生管理
+                        </a>
+                        <ul class="dropdown-menu" aria-labelledby="navbarDropdown1">
+                            <li><a class="dropdown-item" href="#">学生信息查询</a></li>
+                            <li><a class="dropdown-item" href="#">学生信息管理</a></li>
+                            <li><a class="dropdown-item" href="#">学生信息管理</a></li>
+                            <li>
+                                <hr class="dropdown-divider"/>
+                            </li>
+                            <li><a class="dropdown-item" href="#">学生成绩管理</a></li>
+                            <li><a class="dropdown-item" href="#">学生成绩管理</a></li>
+                            <li><a class="dropdown-item" href="#">学生成绩管理</a></li>
+                            <li>
+                                <hr class="dropdown-divider"/>
+                            </li>
+                            <li><a class="dropdown-item" href="#">学生选课管理</a></li>
+                            <li><a class="dropdown-item" href="#">学生选课管理</a></li>
+                            <li><a class="dropdown-item" href="#">学生选课管理</a></li>
+                        </ul>
+                    </li>
+                    <li class="nav-item dropdown">
+                        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown2" role="button"
+                           data-mdb-toggle="dropdown" aria-expanded="false">
+                            教师管理
+                        </a>
+                        <ul class="dropdown-menu" aria-labelledby="navbarDropdown2">
+                            <li><a class="dropdown-item" href="#">教师信息管理</a></li>
+                            <li><a class="dropdown-item" href="#">教师课程管理</a></li>
+                        </ul>
+                    </li>
+                    <li class="nav-item dropdown">
+                        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown3" role="button"
+                           data-mdb-toggle="dropdown" aria-expanded="false">
+                            课程管理
+                        </a>
+                        <ul class="dropdown-menu" aria-labelledby="navbarDropdown3">
+                            <li><a class="dropdown-item" href="#">课程信息管理</a></li>
+                            <li><a class="dropdown-item" href="#">课程安排管理</a></li>
+                        </ul>
+                    </li>
+                    <li class="nav-item dropdown">
+                        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown4" role="button"
+                           data-mdb-toggle="dropdown" aria-expanded="false">
+                            系统管理
+                        </a>
+                        <ul class="dropdown-menu" aria-labelledby="navbarDropdown4">
+                            <li><a class="dropdown-item" href="#">个人设定</a></li>
+                            <li><a class="dropdown-item" href="#">用户管理</a></li>
+                            <li><a class="dropdown-item" href="#">日志管理</a></li>
+                            <li><a class="dropdown-item" href="#">版本信息</a></li>
+                        </ul>
+                    </li>
+                </ul>
+            </div>
+            <div class="dropdown">
+                <a class="dropdown-toggle d-flex align-items-center hidden-arrow" href="#"
+                   id="navbarDropdownMenuAvatar" role="button" data-mdb-toggle="dropdown" aria-expanded="false">
+                    <i class="fas fa-circle-user fa-lg"></i>
+                </a>
+                <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="navbarDropdownMenuAvatar">
+                    <li>
+                        <a class="dropdown-item" href="logout">登出</a>
+                    </li>
+                </ul>
+            </div>
+        </div>
+    </nav>
+</header>
+
+<!--Main Navigation-->
+
+<!--Main layout-->
+<main>
+    <div class="bg-image shadow-2-strong vh-100"
+         style="background-image: url('${pageContext.request.contextPath}/resources/img/jason-blackeye-nyL-rzwP-Mk-unsplash.jpg'); margin-top: -58.59px;">
+        <div class="mask d-flex align-items-center h-100" style="background-color: hsla(0, 0%, 100%, 0.5);">
+            <div class="container d-flex justify-content-center">
+                <button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回</button>
+                <div class="table-container rounded-4 shadow-3-strong"
+                     style="background-color: rgba(255,255,255,0.9); overflow-y: auto; max-height: 400px;">
+                    <table class="table table-striped table-hover border-primary">
+                        <thead>
+                        <tr>
+                            <th scope="col">ID</th>
+                            <th scope="col">姓名</th>
+                            <th scope="col">性别</th>
+                            <th scope="col">出生日期</th>
+                            <th scope="col">联系方式</th>
+                            <th scope="col">班级</th>
+                        </tr>
+                        </thead>
+                        <tbody>
+                        <c:forEach var="student" items="${students}">
+                            <tr>
+                                <td>${student.id}</td>
+                                <td>${student.name}</td>
+                                <td>${student.sex}</td>
+                                <td>${student.birthday}</td>
+                                <td>${student.phone}</td>
+                                <td>${student.classes}</td>
+                            </tr>
+                        </c:forEach>
+                        </tbody>
+                    </table>
+                </div>
+                <div class="container">
+                    <div class="card rounded-4 shadow-3-strong">
+                        <h5 class="card-header">信息修改</h5>
+                        <div class="card-body">
+                            <form action="modinfo" method="post">
+                                <div class="row mb-2">
+                                    <div class="col-12">
+                                        <div class="form-outline">
+                                            <input type="number" id="typeText1" class="form-control" required name="id"/>
+                                            <label class="form-label" for="typeText1">ID (必填)</label>
+                                        </div>
+                                    </div>
+                                </div>
+                                <div class="row mb-2">
+                                    <div class="col-12">
+                                        <div class="form-outline">
+                                            <input type="text" id="typeText2" class="form-control"
+                                                   name="name"/>
+                                            <label class="form-label" for="typeText2">姓名</label>
+                                        </div>
+                                    </div>
+                                </div>
+                                <div class="row mb-2">
+                                    <div class="col-12">
+                                        <div class="form-outline">
+                                            <input type="text" id="typeText3" class="form-control" name="sex"/>
+                                            <label class="form-label" for="typeText3">性别 (男/女)</label>
+                                        </div>
+                                    </div>
+                                </div>
+                                <div class="row mb-2">
+                                    <div class="col-12">
+                                        <div class="form-outline datepicker">
+                                            <input type="text" id="typeText4" class="form-control"
+                                                   name="birthday"/>
+                                            <label class="form-label" for="typeText4">出生日期</label>
+                                        </div>
+                                    </div>
+                                </div>
+                                <div class="row mb-2">
+                                    <div class="col-12">
+                                        <div class="form-outline">
+                                            <input type="text" id="typeText5" class="form-control"
+                                                   name="phone"/>
+                                            <label class="form-label" for="typeText5">联系方式</label>
+                                        </div>
+                                    </div>
+                                </div>
+                                <div class="row mb-2">
+                                    <div class="col-12">
+                                        <div class="form-outline">
+                                            <input type="text" id="typeText6" class="form-control"
+                                                   name="classes"/>
+                                            <label class="form-label" for="typeText6">班级</label>
+                                        </div>
+                                    </div>
+                                </div>
+                                <div class="row mb-2">
+                                    <div class="col-lg-6">
+                                        <button type="submit" class="btn btn-primary" data-mdb-toggle="tooltip" data-mdb-placement="top" title="留空为不做修改">更改</button>
+                                    </div>
+                                    <div class="col-lg-6">
+                                        <button type="reset" class="btn btn-secondary">重置</button>
+                                    </div>
+                                </div>
+                            </form>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+    <!-- Modal -->
+    <div class="modal fade" id="exampleModal" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="true">
+        <div class="modal-dialog">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <h5 class="modal-title" id="exampleModalLabel">
+                        <i class="fas fa-circle-exclamation me-2"></i>错误
+                    </h5>
+                    <button type="button" class="btn-close" data-mdb-dismiss="modal" aria-label="Close"></button>
+                </div>
+                <div class="modal-body">
+                    <c:if test="${not empty errorMessage}">
+                        ${errorMessage}
+                    </c:if>
+                </div>
+                <div class="modal-footer">
+                    <button type="button" class="btn btn-primary" data-mdb-dismiss="modal">OK</button>
+                </div>
+            </div>
+        </div>
+    </div>
+    <!-- Modal -->
+    <div class="modal fade" id="exampleModal2" tabindex="-1" aria-labelledby="exampleModalLabel2" aria-hidden="true">
+        <div class="modal-dialog">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <h5 class="modal-title" id="exampleModalLabel2">
+                        <i class="fas fa-circle-check me-2"></i>成功
+                    </h5>
+                    <button type="button" class="btn-close" data-mdb-dismiss="modal" aria-label="Close"></button>
+                </div>
+                <div class="modal-body">
+                    <c:if test="${not empty successMessage}">
+                        ${successMessage}
+                    </c:if>
+                </div>
+                <div class="modal-footer">
+                    <button type="button" class="btn btn-primary" data-mdb-dismiss="modal">OK</button>
+                </div>
+            </div>
+        </div>
+    </div>
+</main>
+
+<!--Main layout-->
+
+<!-- Footer -->
+<footer class="bg-link text-center text-lg-start ">
+</footer>
+<!-- Footer -->
+
+
+<script type="text/javascript" src="${pageContext.request.contextPath}/resources/js/mdb.min.js"></script>
+<script type="text/javascript" src="${pageContext.request.contextPath}/resources/js/datepicker.min.js"></script>
+<script>
+    $(document).ready(function () {
+        <%-- 判断模型中是否存在错误信息 --%>
+        <c:if test="${not empty errorMessage && errorMessage ne 'null'}">
+        $('#exampleModal').modal('show');
+        </c:if>
+        <c:if test="${not empty successMessage && successMessage ne 'null'}">
+        $('#exampleModal2').modal('show');
+        </c:if>
+    });
+</script>
+
+</body>
+
+</html>
\ No newline at end of file
diff --git a/project2/web/WEB-INF/views/studentQueryResult.jsp b/project2/web/WEB-INF/views/studentQueryResult.jsp
index 55ac958..21c2420 100644
--- a/project2/web/WEB-INF/views/studentQueryResult.jsp
+++ b/project2/web/WEB-INF/views/studentQueryResult.jsp
@@ -1,5 +1,5 @@
 <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
-<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
+<%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
 <!DOCTYPE html>
 <html lang="en">
 
@@ -30,7 +30,7 @@
     </style>
 </head>
 
-<body>
+<body style="font-family: 'Noto Sans SC Regular',serif">
 <!--Main Navigation-->
 <header>
     <nav class="navbar navbar-expand-lg navbar-light bg-light" style="z-index: 1;min-height: 58.59px">
@@ -129,6 +129,11 @@
          style="background-image: url('${pageContext.request.contextPath}/resources/img/jason-blackeye-nyL-rzwP-Mk-unsplash.jpg'); margin-top: -58.59px;">
         <div class="mask d-flex align-items-center h-100" style="background-color: hsla(0, 0%, 100%, 0.5);">
             <div class="container d-flex justify-content-center">
+                <button type="button" class="btn btn-primary" onclick="function goBack() {
+                    window.history.back();
+                }
+                goBack()">返回
+                </button>
                 <div class="table-container rounded-4 shadow-3-strong"
                      style="background-color: rgba(255,255,255,0.9); overflow-y: auto; max-height: 400px;">
                     <table class="table table-striped table-hover border-primary">
