diff --git a/课堂随机点名v1.7.html b/课堂随机点名v1.7.html
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+<!DOCTYPE html>
+<html>
+<head>
+    <title>课堂随机点名系统</title>
+    <style>
+        body {
+            margin: 0;
+            padding: 20px;
+            background: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 100%);
+            font-family: 'Comic Sans MS', cursive;
+            min-height: 100vh;
+        }
+
+        .container {
+            max-width: 800px;
+            margin: 0 auto;
+            text-align: center;
+        }
+
+        #title {
+            color: #6a1b9a;
+            font-size: 2.5em;
+            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
+            margin-bottom: 30px;
+        }
+
+        #display {
+            height: 200px;
+            background: rgba(255,255,255,0.9);
+            border-radius: 20px;
+            box-shadow: 0 8px 16px rgba(0,0,0,0.2);
+            margin: 20px 0;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            font-size: 2.2em;
+            color: #2c3e50;
+            transition: all 0.3s ease;
+            flex-direction: row;
+            gap: 20px;
+            white-space: nowrap;
+            padding: 0 20px;
+            overflow-x: auto;
+        }
+
+        .controls {
+            display: flex;
+            flex-direction: column;
+            gap: 15px;
+            align-items: center;
+        }
+
+        .button-group {
+            display: flex;
+            gap: 15px;
+            align-items: center;
+        }
+
+        button {
+            padding: 12px 30px;
+            font-size: 1.2em;
+            border: none;
+            border-radius: 25px;
+            background: #3498db;
+            color: white;
+            cursor: pointer;
+            transition: transform 0.2s;
+            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
+        }
+
+        button:hover {
+            transform: translateY(-2px);
+            background: #2980b9;
+        }
+
+        #speedControl {
+            width: 200px;
+            margin: 10px 0;
+        }
+
+        .highlight {
+            background-color: #f1c40f !important;
+            color: #c0392b !important;
+            transform: scale(1.1);
+        }
+
+        .student-id {
+            font-size: 0.8em;
+            color: #6a1b9a;
+            font-weight: bold;
+        }
+
+        .pinyin {
+            font-size: 0.6em;
+            color: #7f8c8d;
+            font-style: italic;
+        }
+
+        .export-btn {
+            background: #27ae60 !important;
+            margin-top: 10px;
+        }
+
+        .clear-btn {
+            background: #e74c3c !important;
+            margin-top: 10px;
+        }
+
+        .mark-absent-btn {
+            background: #e67e22 !important;
+        }
+
+        @media (max-width: 480px) {
+            #display {
+                font-size: 1.8em;
+                gap: 10px;
+            }
+            .button-group {
+                flex-direction: column;
+            }
+        }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <h1 id="title">课堂点名系统</h1>
+        <div id="display">点击开始</div>
+        <div class="controls">
+            <input type="range" id="speedControl" min="1" max="10" value="5">
+            <div class="button-group">
+                <button onclick="toggleRoll()">开始点名</button>
+                <button onclick="markAbsent()" class="mark-absent-btn">标记未到场</button>
+            </div>
+            <button class="export-btn" onclick="exportAbsentList()">导出未到场名单</button>
+            <button class="clear-btn" onclick="clearStorage()">清空考勤数据</button>
+        </div>
+    </div>
+
+    <script> //学生名单由此输入
+        let names = [
+    { id: "3216217112", name: "戴旭斌", pinyin: "Dài Xùbīn" },
+    { id: "3225201002", name: "张翔", pinyin: "Zhāng Xiáng" },
+    { id: "3225303021", name: "沈镐棚", pinyin: "Shěn Gàopéng" },
+    { id: "3226217001*", name: "艾力坎木·麦麦提", pinyin: "Àilǐkǎnmù·Màimàití" },
+    { id: "3226217002", name: "王诚嘉仪", pinyin: "Wáng Chéngjiāyí" },
+    { id: "3226217003", name: "陈亭文", pinyin: "Chén Tíngwén" },
+    { id: "3226217004", name: "周慧琳", pinyin: "Zhōu Huìlín" },
+    { id: "3226217005", name: "蔡启轩", pinyin: "Cài Qǐxuān" },
+    { id: "3226217007", name: "蔡慧敏", pinyin: "Cài Huìmǐn" },
+    { id: "3226217008", name: "林淑雯", pinyin: "Lín Shùwén" },
+    { id: "3226217011", name: "林莹", pinyin: "Lín Yíng" },
+    { id: "3226217012", name: "王钦昊", pinyin: "Wáng Qínhào" },
+    { id: "3226217013", name: "刘恒", pinyin: "Liú Héng" },
+    { id: "3226217015", name: "连征宇", pinyin: "Lián Zhēngyǔ" },
+    { id: "3226217017", name: "陈王斌", pinyin: "Chén Wángbīn" },
+    { id: "3226217019", name: "张旺", pinyin: "Zhāng Wàng" },
+    { id: "3226217020", name: "陈锦杨", pinyin: "Chén Jǐnyáng" },
+    { id: "3226217021", name: "张柏宗", pinyin: "Zhāng Bǎizōng" },
+    { id: "3226217024", name: "许昊", pinyin: "Xǔ Hào" },
+    { id: "3226217025", name: "高健", pinyin: "Gāo Jiàn" },
+    { id: "3226217026", name: "陈鸿铭", pinyin: "Chén Hóngmíng" },
+    { id: "3226217027", name: "艾志龙", pinyin: "Ài Zhìlóng" },
+    { id: "3226217029", name: "吴文翔", pinyin: "Wú Wénxiáng" },
+    { id: "3226217030", name: "邱炜彬", pinyin: "Qiū Wěibīn" },
+    { id: "3226217031", name: "童伟烽", pinyin: "Tóng Wěifēng" },
+    { id: "3226217032", name: "杨家蓥", pinyin: "Yáng Jiāyíng" },
+    { id: "3226217033", name: "范龙翔", pinyin: "Fàn Lóngxiáng" },
+    { id: "3226217034", name: "柳晓鑫", pinyin: "Liǔ Xiǎoxīn" },
+    { id: "3226217035", name: "韩俊阳", pinyin: "Hán Jùnyáng" },
+    { id: "3226217038", name: "谢楸荣", pinyin: "Xiè Qiūróng" },
+    { id: "3226217040", name: "杨嘉正", pinyin: "Yáng Jiāzhèng" },
+    { id: "3226217042", name: "何世杰", pinyin: "Hé Shìjié" },
+    { id: "3226217043", name: "范志强", pinyin: "Fàn Zhìqiáng" },
+    { id: "3226217044", name: "沈金豪", pinyin: "Shěn Jīnháo" },
+    { id: "3225602050", name: "张智翔", pinyin: "Zhāng Zhìxiáng" },
+    { id: "3226217045*", name: "肖凯提·吾布力", pinyin: "Xiào Kǎidī·Wūbùlì" },
+    { id: "3226217046", name: "张成鑫", pinyin: "Zhāng Chéngxīn" },
+    { id: "3226217047", name: "余晨湘", pinyin: "Yú Chénxiāng" },
+    { id: "3226217048", name: "夏仲晨", pinyin: "Xià Zhòngchén" },
+    { id: "3226217050", name: "夏敏鑫", pinyin: "Xià Mǐnxīn" },
+    { id: "3226217054", name: "杨珮孺", pinyin: "Yáng Pèirú" },
+    { id: "3226217055", name: "杨光辉", pinyin: "Yáng Guānghuī" },
+    { id: "3226217057", name: "郑泽煜", pinyin: "Zhèng Zéyù" },
+    { id: "3226217058", name: "林怡恒", pinyin: "Lín Yíhén" },
+    { id: "3226217059", name: "杨益坤", pinyin: "Yáng Yìkūn" },
+    { id: "3226217062", name: "陈申恒", pinyin: "Chén Shēnhéng" },
+    { id: "3226217063", name: "林弘毅", pinyin: "Lín Hóngyì" },
+    { id: "3226217065", name: "赵子睿", pinyin: "Zhào Zǐruì" },
+    { id: "3226217068", name: "王哲", pinyin: "Wáng Zhé" },
+    { id: "3226217069", name: "卢榕平", pinyin: "Lú Róngpíng" },
+    { id: "3226217070", name: "林德尧", pinyin: "Lín Déyáo" },
+    { id: "3226217074", name: "邱林冰", pinyin: "Qiū Lín Bīng" },
+    { id: "3226217078", name: "陈斌", pinyin: "Chén Bīn" },
+    { id: "3226217079", name: "林忠阳", pinyin: "Lín Zhōngyáng" },
+    { id: "3226217080", name: "徐桓煊", pinyin: "Xú Huánxuān" },
+    { id: "3226217081", name: "许益忠", pinyin: "Xǔ Yìzhōng" },
+    { id: "3226217082", name: "陈其锋", pinyin: "Chén Qífēng" },
+    { id: "3226217084", name: "林成烁", pinyin: "Lín Chéngshuò" },
+    { id: "3226217087", name: "叶宇晨", pinyin: "Yè Yǔchén" },
+    { id: "3226217089", name: "罗举汉", pinyin: "Luó Jǔhàn" },
+    { id: "3226217090", name: "雷贺棋", pinyin: "Léi Hèqí" },
+    { id: "3226217095", name: "陈佳垚", pinyin: "Chén Jiāyáo" },
+    { id: "3226217097", name: "李诗燕", pinyin: "Lǐ Shīyàn" },
+    { id: "3226217099", name: "叶荫华", pinyin: "Yè Yīnhuá" },
+    { id: "3226217103", name: "寿高弘", pinyin: "Shòu Gāohóng" },
+    { id: "3226217105", name: "杨俊龙", pinyin: "Yáng Jùnlóng" },
+    { id: "3226217109", name: "郑力天", pinyin: "Zhèng Lìtiān" },
+    { id: "3226217110", name: "杨松涛", pinyin: "Yáng Sōngtāo" },
+    { id: "3226217111", name: "王俊仁", pinyin: "Wáng Jùnrén" },
+    { id: "3226217113", name: "钟梓健", pinyin: "Zhōng Zǐjiàn" },
+    { id: "3196202063*", name: "闫丁", pinyin: "Yán Dīng" },
+    { id: "3226217114", name: "周兴城", pinyin: "Zhōu Xīngchéng" },
+    { id: "3226217117", name: "李庚儒", pinyin: "Lǐ Gēngrú" },
+    { id: "3226217119", name: "杨锦", pinyin: "Yáng Jǐn" },
+    { id: "3226217121", name: "林志", pinyin: "Lín Zhì" },
+    { id: "3226217122", name: "郑如龙", pinyin: "Zhèng Rúlóng" },
+    { id: "3226217123", name: "林雨盛", pinyin: "Lín Yǔshèng" },
+    { id: "3226217127", name: "肖镇国", pinyin: "Xiào Zhènguó" },
+    { id: "3226217129", name: "陈佳玮", pinyin: "Chén Jiāwěi" },
+    { id: "3226217130", name: "陈昊", pinyin: "Chén Hào" },
+    { id: "3226217131", name: "余少宇", pinyin: "Yú Shǎoyǔ" },
+    { id: "3226217134", name: "何恒康", pinyin: "Hé Héngkāng" },
+    { id: "3226217135", name: "李雨蝶", pinyin: "Lǐ Yǔdié" },
+    { id: "3226217138", name: "李蓥", pinyin: "Lǐ Yíng" },
+    { id: "3226217142", name: "缪宇昕", pinyin: "Miù Yǔxīn" },
+    { id: "3226217145", name: "刘智洋", pinyin: "Liú Zhìyáng" },
+    { id: "3226217146", name: "周祺政", pinyin: "Zhōu Qízhèng" },
+    { id: "3226217147", name: "杨振邦", pinyin: "Yáng Zhènbāng" },
+    { id: "3226217148", name: "黄以平", pinyin: "Huáng Yǐpíng" },
+    { id: "3226217149", name: "李麒炫", pinyin: "Lǐ Qíxuàn" },
+    { id: "3226217150", name: "李明坤", pinyin: "Lǐ Míngkūn" },
+    { id: "3226217151", name: "许书杰", pinyin: "Xǔ Shūjié" },
+    { id: "3226217152", name: "郑文斌", pinyin: "Zhèng Wénbīn" },
+    { id: "3226217153", name: "黄朝阳", pinyin: "Huáng Zhāoyáng" },
+    { id: "3226217155", name: "余浩扬", pinyin: "Yú Hàoyáng" },
+    { id: "3226217157", name: "周炫", pinyin: "Zhōu Xuàn" },
+    { id: "3226217158", name: "吴荆", pinyin: "Wú Jīng" },
+    { id: "3226217159", name: "赖兴翀", pinyin: "Lài Xīngchōng" },
+    { id: "3226217160", name: "刘城滨", pinyin: "Liú Chéngbīn" },
+    { id: "3226217161", name: "陈豪", pinyin: "Chén Háo" },
+    { id: "3226217162", name: "郭霄楗", pinyin: "Guō Xiāojiàn" },
+    { id: "3226217164", name: "林城超", pinyin: "Lín Chéngchāo" },
+    { id: "3226217166", name: "朱晓阳", pinyin: "Zhū Xiǎoyáng" },
+    { id: "3226217169", name: "叶斌杰", pinyin: "Yè Bīnjié" },
+    { id: "3226217172", name: "李兴奕", pinyin: "Lǐ Xīngyì" },
+    { id: "3226217173", name: "林泽棋", pinyin: "Lín Zéqí" },
+    { id: "3226217174", name: "柯沁阳", pinyin: "Kē Qìnyáng" },
+    { id: "3227623034", name: "林迪文", pinyin: "Lín Díwén" }
+];
+
+        let isRolling = false;
+        let intervalId;
+        let currentStudent = null;
+        const display = document.getElementById('display');
+        const speedControl = document.getElementById('speedControl');
+        let calledStudents = []; // 新增已点名学生数组
+
+        // 初始化加载本地存储数据
+        document.addEventListener('DOMContentLoaded', () => {
+            const savedData = localStorage.getItem('attendanceData');
+            if (savedData) {
+                names = JSON.parse(savedData);
+            }
+            
+            const customTitle = prompt("请输入课堂名称：") || "魔法课堂";
+            document.getElementById('title').textContent = `${customTitle}点名系统`;
+        });
+
+        function toggleRoll() {
+            !isRolling ? startRoll() : stopRoll();
+        }
+
+        function startRoll() {
+            // 修改可用学生过滤条件，排除已点名和未到场的
+            const availableStudents = names.filter(student => 
+                !student.absent && !calledStudents.includes(student.id)
+            );
+
+            if (availableStudents.length === 0) {
+                alert("所有学生都已点名完毕！");
+                return;
+            }
+
+            isRolling = true;
+            document.querySelector('button').textContent = "暂停点名";
+            const speed = 100 - (speedControl.value * 8);
+            
+            intervalId = setInterval(() => {
+                currentStudent = availableStudents[Math.floor(Math.random() * availableStudents.length)];
+                display.innerHTML = `
+                    <span class="student-id">${currentStudent.id}</span>
+                    <span>${currentStudent.name}</span>
+                    <span class="pinyin">(${currentStudent.pinyin})</span>
+                `;
+            }, speed);
+        }
+
+        function stopRoll() {
+            isRolling = false;
+            clearInterval(intervalId);
+            document.querySelector('button').textContent = "开始点名";
+            display.classList.add('highlight');
+            setTimeout(() => display.classList.remove('highlight'), 2000);
+            
+            // 新增：将当前学生加入已点名列表
+            if (currentStudent && !calledStudents.includes(currentStudent.id)) {
+                calledStudents.push(currentStudent.id);
+            }
+        }
+
+        // 新增：补上缺失的标记未到场功能
+        function markAbsent() {
+            if (!currentStudent) {
+                alert('请先开始点名！');
+                return;
+            }
+            const targetStudent = names.find(s => s.id === currentStudent.id);
+            if (targetStudent && !targetStudent.absent) {
+                targetStudent.absent = true;
+                localStorage.setItem('attendanceData', JSON.stringify(names));
+                alert(`已标记 ${targetStudent.name} 为未到场`);
+                // 如果正在点名则立即更新名单
+                if (isRolling) {
+                    clearInterval(intervalId);
+                    startRoll();
+                }
+            }
+        }
+
+        // 在清空存储时重置已点名单
+        function clearStorage() {
+            if (confirm('确定要清空所有考勤数据吗？此操作不可恢复！')) {
+                names.forEach(student => delete student.absent);
+                calledStudents = []; // 清空已点名单
+                localStorage.removeItem('attendanceData');
+                alert('考勤数据已重置！');
+                currentStudent = null;
+                display.textContent = "点击开始";
+            }
+        }
+
+        // 新增：补上导出未到场名单功能
+        function exportAbsentList() {
+            const absentStudents = names.filter(student => student.absent);
+            if (absentStudents.length === 0) {
+                alert("当前没有未到场学生");
+                return;
+            }
+            
+            // 生成CSV格式内容（带BOM头解决中文乱码）
+            const csvContent = [
+                "\uFEFF学号,姓名",
+                ...absentStudents.map(s => `${s.id},${s.name}`)
+            ].join('\r\n');
+        
+            const blob = new Blob([csvContent], { type: 'text/csv;charset=utf-8' });
+            const url = URL.createObjectURL(blob);
+            
+            const link = document.createElement('a');
+            link.href = url;
+            link.download = '未到场名单.csv';
+            link.style.display = 'none';
+            
+            document.body.appendChild(link);
+            link.click();
+            document.body.removeChild(link);
+            URL.revokeObjectURL(url);
+        }
+
+        speedControl.addEventListener('input', () => {
+            if (isRolling) {
+                clearInterval(intervalId);
+                startRoll();
+            }
+        });
+    </script>
+</body>
+</html>
\ No newline at end of file
