diff --git a/index.html b/index.html
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+<!DOCTYPE html>
+<html lang="zh">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>FZU软工学生点名系统</title>
+    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            margin: 0;
+            padding: 0;
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            justify-content: center;
+            height: 100vh;
+            background: linear-gradient(to bottom, #add8e6, #ffb6c1);
+            color: #333;
+            transition: background-color 0.5s ease;
+        }
+
+        h1, h2 {
+            color: #00796b;
+        }
+
+        button {
+            background-color: #00796b;
+            color: white;
+            border: none;
+            padding: 10px 20px;
+            margin: 10px;
+            cursor: pointer;
+            border-radius: 5px;
+            transition: background-color 0.3s;
+        }
+
+        button:hover {
+            background-color: #004d40;
+        }
+
+        input[type="file"],
+        input[type="text"],
+        input[type="password"] {
+            padding: 10px;
+            margin: 10px;
+            border: 1px solid #ccc;
+            border-radius: 5px;
+            width: 200px;
+            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
+        }
+
+        input[type="hidden"] {
+            display: none;
+        }
+
+        p {
+            font-size: 18px;
+            margin: 10px;
+            border: 1px solid #00796b;
+            border-radius: 10px;
+            padding: 10px;
+            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
+        }
+
+        #loginForm, #mainContent {
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            border: 1px solid #00796b;
+            border-radius: 10px;
+            padding: 20px;
+            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
+            background-color: white; /* 背景色 */
+        }
+
+        #mainContent {
+            display: none; /* 默认隐藏主要内容 */
+        }
+    </style>
+    <script>
+        $(document).ready(function() {
+            $('#loginSubmit').click(function() {
+                const username = $('#username').val();
+                const password = $('#password').val();
+
+                $.ajax({
+                    url: '/login',
+                    type: 'POST',
+                    contentType: 'application/json',
+                    data: JSON.stringify({ username: username, password: password }),
+                    success: function(response) {
+                        alert("登录成功！");
+                        $('#loginForm').fadeOut(300, function() {
+                            $('#mainContent').fadeIn(300); // 使用 fadeIn() 进行动画效果
+                        });
+                    },
+                    error: function(xhr) {
+                        alert("登录失败: " + xhr.responseJSON.message);
+                    }
+                });
+            });
+        });
+
+        let specialMode = false;
+
+        function toggleSpecialMode() {
+            specialMode = !specialMode; // 切换特殊模式状态
+            const message = specialMode ? "开启特殊模式！！！！" : "关闭特殊模式";
+            alert(message);
+            $('#toggleSpecialMode').text(specialMode ? "关闭特殊模式" : "开启特殊模式");
+        }
+
+        function uploadStudents() {
+            const fileInput = $('#fileInput')[0];
+            const formData = new FormData();
+            formData.append('file', fileInput.files[0]);
+
+            $.ajax({
+                url: '/upload_students',
+                type: 'POST',
+                processData: false,
+                contentType: false,
+                data: formData,
+                success: function(response) {
+                    alert(response.message);
+                },
+                error: function(xhr) {
+                    alert("请求失败: " + xhr.responseJSON.message);
+                }
+            });
+        }
+
+        function callStudent() {
+            $.ajax({
+                url: '/call_student',
+                type: 'POST',
+                success: function(response) {
+                    $('#studentInfo').text(`被点到的学生: ${response.name} (学号: ${response.student_id})`);
+                    $('#studentIndex').val(response.index);
+                },
+                error: function(xhr) {
+                    alert("请求失败: " + xhr.responseJSON.message);
+                }
+            });
+        }
+
+        function updatePoints() {
+            const answer = $('#answer').val();
+            const studentIndex = $('#studentIndex').val();
+
+            $.ajax({
+                url: '/update_points',
+                type: 'POST',
+                contentType: 'application/json',
+                data: JSON.stringify({ index: studentIndex, answer: answer }),
+                success: function(response) {
+                    alert(response.message);
+                    $('#points').text(`当前积分: ${response.points}`);
+                },
+                error: function(xhr) {
+                    alert("请求失败: " + xhr.responseJSON.message);
+                }
+            });
+        }
+    </script>
+</head>
+<body>
+    <h1>学生管理系统</h1>
+
+    <div id="loginForm">
+        <h2>登录</h2>
+        <input type="text" id="username" placeholder="用户名" required>
+        <input type="password" id="password" placeholder="密码" required>
+        <button id="loginSubmit">提交</button>
+    </div>
+
+    <div id="mainContent">
+        <h2>上传学生名单</h2>
+        <input type="file" id="fileInput" accept=".xlsx,.xls">
+        <button onclick="uploadStudents()">上传</button>
+
+        <h2>随机点名</h2>
+        <button onclick="callStudent()">点名</button>
+        <p id="studentInfo"></p>
+        <input type="hidden" id="studentIndex">
+
+        <h2>回答问题1+1=？</h2>
+        <input type="text" id="answer" placeholder="输入你的答案">
+        <button onclick="updatePoints()">提交答案</button>
+        <p id="points">当前积分: 0</p>
+
+        <h2>特殊模式</h2>
+        <button id="toggleSpecialMode" onclick="toggleSpecialMode()">开启特殊模式</button>
+    </div>
+</body>
+</html>
