diff --git a/exam/x.html b/exam/x.html
deleted file mode 100644
index 1d0d161..0000000
--- a/exam/x.html
+++ /dev/null
@@ -1,596 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-    <meta charset="utf-8">
-    <title>课程状态系统完整版</title>
-    <style>
-        /* 基础样式 */
-        body {
-            font-family: 'Segoe UI', Arial, sans-serif;
-            margin: 0;
-            padding: 20px;
-            background: #f5f7fa;
-            color: #2d3436;
-        }
-        .container {
-            max-width: 800px;
-            margin: 0 auto;
-            position: relative;
-        }
-
-        /* 状态显示框 */
-        .status-box {
-            background: linear-gradient(145deg, #ffffff, #f8f9fa);
-            border: 1px solid #e0e6ed;
-            padding: 30px;
-            margin: 20px 0;
-            border-radius: 16px;
-            box-shadow: 0 8px 24px rgba(0,0,0,0.06);
-            transition: all 0.3s ease;
-        }
-        .time-display {
-            font-size: 48px;
-            color: #2c3e50;
-            font-weight: 700;
-            margin: 15px 0;
-            text-align: center;
-            letter-spacing: 2px;
-            text-shadow: 0 2px 4px rgba(0,0,0,0.1);
-        }
-        .status-label {
-            font-size: 28px;
-            text-align: center;
-            margin: 15px 0;
-            color: #57606f;
-        }
-
-        /* 课程表格 */
-        .schedule-table {
-            width: 100%;
-            border-collapse: collapse;
-            margin: 25px 0;
-            background: white;
-            border-radius: 12px;
-            overflow: hidden;
-            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
-        }
-        .schedule-table th {
-            background: #f8f9fa;
-            padding: 16px;
-            color: #57606f;
-            font-weight: 600;
-            border-bottom: 2px solid #e0e6ed;
-        }
-        .schedule-table td {
-            padding: 14px;
-            border-bottom: 1px solid #f1f3f6;
-        }
-        .current-class {
-            background: #e8f5e9 !important;
-            position: relative;
-        }
-        .current-class:after {
-            content: '';
-            position: absolute;
-            left: 0;
-            top: 0;
-            height: 100%;
-            width: 4px;
-            background: #2ecc71;
-        }
-        .future-class {
-            background: #f8f9fa !important;
-        }
-        .past-class {
-            background: #fafafa !important;
-            color: #a4b0be;
-        }
-
-        /* 全屏模式 */
-        .fullscreen-mode {
-            position: fixed;
-            top: 0;
-            left: 0;
-            width: 100%;
-            height: 100%;
-            background: #ffffff;
-            z-index: 9999;
-            padding: 0;
-            margin: 0;
-            overflow: hidden;
-        }
-        .fullscreen-mode .status-box {
-            width: 100%;
-            height: 100%;
-            border: none;
-            box-shadow: none;
-            border-radius: 0;
-            padding: 0;
-            display: flex;
-            flex-direction: column;
-            justify-content: center;
-            align-items: center;
-            background: none;
-        }
-        .fullscreen-mode .time-display {
-            font-size: 25vw;
-            line-height: 0.9;
-            color: #2c3e50;
-        }
-        .fullscreen-mode .status-label {
-            font-size: 6vw;
-            margin-top: 4vw;
-            color: #57606f;
-        }
-        .fullscreen-mode .control-bar,
-        .fullscreen-mode .settings-panel,
-        .fullscreen-mode .schedule-table {
-            display: none !important;
-        }
-
-        /* 控制按钮 */
-        .control-bar {
-            position: fixed;
-            top: 20px;
-            right: 20px;
-            z-index: 10000;
-            display: flex;
-            gap: 10px;
-        }
-        .control-btn {
-            background: linear-gradient(135deg, #3498db, #2980b9);
-            color: white;
-            border: none;
-            padding: 12px 24px;
-            border-radius: 8px;
-            cursor: pointer;
-            font-size: 15px;
-            font-weight: 500;
-            transition: all 0.2s ease;
-            box-shadow: 0 4px 12px rgba(52,152,219,0.25);
-        }
-        .control-btn:hover {
-            transform: translateY(-1px);
-            box-shadow: 0 6px 16px rgba(52,152,219,0.35);
-        }
-
-        /* 设置面板 */
-        .settings-panel {
-            background: rgba(255,255,255,0.95);
-            padding: 25px;
-            margin: 25px 0;
-            border-radius: 12px;
-            border: 1px solid #e0e6ed;
-            backdrop-filter: blur(8px);
-        }
-        .settings-panel h3 {
-            margin: 0 0 20px;
-            color: #2c3e50;
-            font-size: 20px;
-        }
-        .settings-panel label {
-            display: flex;
-            align-items: center;
-            gap: 10px;
-            margin: 12px 0;
-            font-size: 16px;
-            color: #57606f;
-        }
-        .settings-panel input[type="checkbox"] {
-            width: 18px;
-            height: 18px;
-            accent-color: #3498db;
-        }
-
-        /* 错误提示 */
-        .error-container {
-            position: fixed;
-            bottom: 0;
-            left: 0;
-            right: 0;
-            background: #ff6b6b;
-            color: white;
-            padding: 16px;
-            display: none;
-            z-index: 10001;
-            animation: slideUp 0.3s ease;
-        }
-        @keyframes slideUp {
-            from { transform: translateY(100%); }
-            to { transform: translateY(0); }
-        }
-        .error-content {
-            max-width: 800px;
-            margin: 0 auto;
-            font-size: 15px;
-            display: flex;
-            align-items: center;
-            gap: 12px;
-        }
-        .error-content:before {
-            content: '!';
-            display: flex;
-            align-items: center;
-            justify-content: center;
-            width: 24px;
-            height: 24px;
-            background: white;
-            color: #ff6b6b;
-            border-radius: 50%;
-            font-weight: bold;
-        }
-    </style>
-</head>
-<body>
-    <div class="error-container">
-        <div class="error-content" id="errorMessage"></div>
-    </div>
-
-    <div class="container">
-        <div class="control-bar">
-            <button class="control-btn" onclick="toggleFullscreen()">全屏</button>
-            <button class="control-btn" onclick="testSound('classStart')">测试上课铃</button>
-            <button class="control-btn" onclick="testSound('classEnd')">测试下课铃</button>
-        </div>
-
-        <div class="status-box">
-            <div class="status-label" id="statusLabel">正在初始化...</div>
-            <div class="time-display" id="timeDisplay">--:--</div>
-            <div id="timeDescription" style="text-align:center;color:#a4b0be;"></div>
-        </div>
-
-        <div class="settings-panel">
-            <h3>系统设置</h3>
-            <label>
-                <input type="checkbox" id="classBell"> 启用上课铃声
-            </label>
-            <br>
-            <label>
-                <input type="checkbox" id="breakBell"> 启用下课铃声
-            </label>
-        </div>
-
-        <table class="schedule-table" id="scheduleTable">
-            <tr>
-                <th>课程名称</th>
-                <th>时间段</th>
-                <th>状态</th>
-            </tr>
-        </table>
-    </div>
-
-    <script>
-        // 错误处理系统
-        var errorSystem = {
-            show: function(message) {
-                try {
-                    var container = document.querySelector('.error-container');
-                    var content = document.getElementById('errorMessage');
-                    content.textContent = message;
-                    container.style.display = 'flex';
-                    setTimeout(this.hide, 5000);
-                } catch(e) {
-                    console.error('错误提示系统异常:', e);
-                }
-            },
-            hide: function() {
-                var container = document.querySelector('.error-container');
-                if (container) container.style.display = 'none';
-            }
-        };
-
-        // 新增：课程配置数组
-        var courseSchedule = [
-            { name: "第一节课", start: "08:00", end: "08:50" },
-            { name: "第二节课", start: "09:00", end: "09:50" },
-            { name: "第三节课", start: "10:10", end: "11:00" },
-            { name: "第四节课", start: "11:10", end: "12:00" },
-            { name: "第一节课", start: "13:30", end: "14:20" },
-            { name: "第二节课", start: "14:30", end: "15:20" },
-            { name: "第三节课", start: "15:40", end: "16:30" },
-            { name: "第四节课", start: "16:40", end: "17:30" },
-            { name: "第一节课", start: "18:00", end: "18:50" },
-            { name: "第二节课", start: "19:00", end: "19:50" },
-            { name: "第三节课", start: "20:10", end: "21:00" },
-            { name: "第四节课", start: "21:10", end: "22:00" }
-        ];
-
-        // 恢复使用原来的音频系统
-        var audioController = (function() {
-            var audioPool = [];
-            var maxPoolSize = 3;
-            var soundFiles = {
-                classStart: 'class_start.mp3',
-                classEnd: 'class_end.mp3'
-            };
-
-            function init() {
-                try {
-                    Object.keys(soundFiles).forEach(function(type) {
-                        for (var i = 0; i < 2; i++) {
-                            createAudio(type);
-                        }
-                    });
-                } catch(e) {
-                    errorSystem.show('音频初始化失败: ' + e.message);
-                }
-            }
-
-            function createAudio(type) {
-                var audio = document.createElement('audio');
-                audio.style.display = 'none';
-                audio.preload = 'auto';
-                audio.src = soundFiles[type];
-                var retryCount = 0;
-                function loadAudio() {
-                    try {
-                        audio.load();
-                    } catch(e) {
-                        if (retryCount++ < 3) {
-                            setTimeout(loadAudio, 1000);
-                        }
-                    }
-                }
-                audio.addEventListener('error', function() {
-                    if (retryCount++ < 3) {
-                        setTimeout(loadAudio, 1000);
-                    }
-                });
-                document.body.appendChild(audio);
-                loadAudio();
-                audioPool.push(audio);
-                return audio;
-            }
-
-            function play(type) {
-                try {
-                    var audio = audioPool.find(function(a) { return a.paused; });
-                    if (!audio) {
-                        if (audioPool.length < maxPoolSize) {
-                            audio = createAudio(type);
-                        } else {
-                            return errorSystem.show('系统繁忙，请稍后再试');
-                        }
-                    }
-                    audio.src = soundFiles[type];
-                    try {
-                        audio.play();
-                    } catch(e) {
-                        errorSystem.show('播放失败: ' + e.message);
-                    }
-                } catch(e) {
-                    errorSystem.show('音频系统错误: ' + e.message);
-                }
-            }
-
-            return {
-                init: init,
-                play: play
-            };
-        })();
-
-        audioController.init();
-
-        // 全局状态变量
-        var isFullscreen = false, currentCourse = null, lastCourse = null, timer = null, lastUpdate = Date.now();
-
-        // 新增：安全更新循环函数
-        function safeUpdate() {
-            try {
-                var now = Date.now();
-                updateCourseStatus();
-                updateDisplay();
-                var nextTick = Math.max(1000 - (Date.now() - now), 50);
-                timer = setTimeout(safeUpdate, nextTick);
-                lastUpdate = now;
-            } catch (e) {
-                errorSystem.show('更新循环错误: ' + e.message);
-            }
-        }
-
-        // 新增：解析时间字符串
-        function parseTime(timeStr) {
-            try {
-                var now = new Date();
-                var parts = timeStr.split(':');
-                return new Date(
-                    now.getFullYear(),
-                    now.getMonth(),
-                    now.getDate(),
-                    parseInt(parts[0]),
-                    parseInt(parts[1]),
-                    0
-                );
-            } catch (e) {
-                errorSystem.show('时间解析错误: ' + e.message);
-                return new Date();
-            }
-        }
-
-        // 新增：更新当前课程状态函数
-        function updateCourseStatus() {
-            try {
-                var now = new Date();
-                currentCourse = null;
-                for (var i = 0; i < courseSchedule.length; i++) {
-                    var course = courseSchedule[i],
-                        start = parseTime(course.start),
-                        end = parseTime(course.end);
-                    if (end < start) end.setDate(end.getDate() + 1);
-                    if (now >= start && now <= end) {
-                        currentCourse = course;
-                        break;
-                    }
-                }
-                if (currentCourse !== lastCourse) {
-                    handleStatusChange();
-                    lastCourse = currentCourse;
-                }
-            } catch (e) {
-                errorSystem.show('课程状态更新失败: ' + e.message);
-            }
-        }
-
-        // 在状态变化处理函数中使用 audioController 而非 audioContext
-        function handleStatusChange() {
-            try {
-                if (!currentCourse && localStorage.breakBell === 'true') {
-                    audioController.play('classEnd');
-                } else if (currentCourse && localStorage.classBell === 'true') {
-                    audioController.play('classStart');
-                }
-            } catch (e) {
-                errorSystem.show('状态变化处理错误: ' + e.message);
-            }
-        }
-
-        // 新增：界面更新函数
-        function updateDisplay() {
-            try {
-                var now = new Date(),
-                    timeDisplay = document.getElementById('timeDisplay'),
-                    statusLabel = document.getElementById('statusLabel'),
-                    timeDesc = document.getElementById('timeDescription');
-                if (currentCourse) {
-                    var endTime = parseTime(currentCourse.end),
-                        remain = endTime - now;
-                    statusLabel.textContent = currentCourse.name + ' 进行中';
-                    timeDisplay.textContent = formatTime(remain);
-                    timeDesc.textContent = '剩余时间';
-                } else {
-                    statusLabel.textContent = '课间休息中';
-                    var nextCourse = getNextCourse();
-                    if (nextCourse) {
-                        var startTime = parseTime(nextCourse.start),
-                            remain = startTime - now;
-                        timeDisplay.textContent = formatTime(remain);
-                        timeDesc.textContent = '距离 ' + nextCourse.name;
-                    } else {
-                        timeDisplay.textContent = '00:00';
-                        timeDesc.textContent = '今日课程已结束';
-                    }
-                }
-                updateScheduleTable();
-            } catch (e) {
-                errorSystem.show('界面更新失败: ' + e.message);
-            }
-        }
-
-        // 新增：格式化时间显示函数
-        function formatTime(ms) {
-            try {
-                if (ms < 0) return '00:00';
-                var totalSeconds = Math.floor(ms / 1000),
-                    minutes = Math.floor(totalSeconds / 60),
-                    seconds = totalSeconds % 60;
-                return (minutes < 10 ? '0' : '') + minutes + ':' + (seconds < 10 ? '0' : '') + seconds;
-            } catch (e) {
-                return '--:--';
-            }
-        }
-
-        // 新增：更新课程表显示
-        function updateScheduleTable() {
-            try {
-                var now = new Date(),
-                    rows = document.querySelectorAll('#scheduleTable tr:not(:first-child)');
-                for (var i = 0; i < rows.length; i++) {
-                    var course = courseSchedule[i],
-                        start = parseTime(course.start),
-                        end = parseTime(course.end),
-                        row = rows[i];
-                    row.className = '';
-                    if (now >= start && now <= end) {
-                        row.className = 'current-class';
-                    } else if (now < start) {
-                        row.className = 'future-class';
-                    } else {
-                        row.className = 'past-class';
-                    }
-                }
-            } catch (e) {
-                errorSystem.show('课程表更新失败: ' + e.message);
-            }
-        }
-
-        // 新增：获取下一节课
-        function getNextCourse() {
-            try {
-                var now = new Date();
-                for (var i = 0; i < courseSchedule.length; i++) {
-                    var start = parseTime(courseSchedule[i].start);
-                    if (start > now) return courseSchedule[i];
-                }
-                return null;
-            } catch (e) {
-                errorSystem.show('获取下一节课失败: ' + e.message);
-                return null;
-            }
-        }
-
-        // 修改：全屏切换函数
-        function toggleFullscreen() {
-            try {
-                isFullscreen = !isFullscreen;
-                document.body.classList.toggle('fullscreen-mode', isFullscreen);
-                if (isFullscreen) {
-                    document.querySelector('.settings-panel').style.display = 'none';
-                    document.querySelector('.schedule-table').style.display = 'none';
-                    document.querySelector('.container').style.width = '100%';
-                    document.querySelector('.container').style.height = '100%';
-                } else {
-                    document.querySelector('.settings-panel').style.display = '';
-                    document.querySelector('.schedule-table').style.display = '';
-                    document.querySelector('.container').style.width = '';
-                    document.querySelector('.container').style.height = '';
-                }
-            } catch (e) {
-                errorSystem.show('全屏切换失败: ' + e.message);
-            }
-        }
-
-        // 测试铃声函数中调用音频播放改用 audioController
-        function testSound(type) {
-            try {
-                if (confirm('确定要测试' + (type === 'classStart' ? '上课' : '下课') + '铃声吗？')) {
-                    audioController.play(type);
-                }
-            } catch (e) {
-                errorSystem.show('测试铃声失败: ' + e.message);
-            }
-        }
-
-        // 修改：系统初始化函数
-        function init() {
-            try {
-                var table = document.getElementById('scheduleTable');
-                courseSchedule.forEach(function(course) {
-                    var row = table.insertRow(-1);
-                    row.innerHTML = '<td>' + course.name + '</td>' +
-                                    '<td>' + course.start + ' - ' + course.end + '</td>' +
-                                    '<td></td>';
-                });
-                // 初始化设置复选框
-                document.getElementById('classBell').checked = localStorage.classBell === 'true';
-                document.getElementById('breakBell').checked = localStorage.breakBell === 'true';
-                document.getElementById('classBell').onchange = function () {
-                    localStorage.classBell = this.checked;
-                };
-                document.getElementById('breakBell').onchange = function () {
-                    localStorage.breakBell = this.checked;
-                };
-                // 启动安全更新循环
-                safeUpdate();
-                // 移除或修改音频权限激活代码（用原音频系统无需特殊激活）
-                document.body.onclick = null;
-            } catch (e) {
-                errorSystem.show('系统初始化失败: ' + e.message);
-            }
-        }
-        window.onbeforeunload = function () {
-            if (timer) clearTimeout(timer);
-        };
-        init();
-    </script>
-</body>
-</html>
\ No newline at end of file
diff --git a/time/index.html b/time/index.html
index 8249b26..84915a6 100644
--- a/time/index.html
+++ b/time/index.html
@@ -38,27 +38,29 @@
 			padding: 20px;
 			background: url('../background.jpg') no-repeat center center fixed;
 			background-size: cover;
-			color: #2d3436;
+			color: #ecf0f1;
 			display: flex;
 			justify-content: center;
 			align-items: center;
 			height: 100vh;
+			background-color: #2c3e50;
 		}
 
 		.container {
 			text-align: center;
-			background: rgba(255, 255, 255, 0.8);
-			border: 1px solid #e0e6ed;
+			background: rgba(255, 255, 255, 0.1);
+			border: 1px solid rgba(255, 255, 255, 0.2);
 			padding: 30px;
 			border-radius: 16px;
-			box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
+			box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
+			backdrop-filter: blur(10px);
 			animation: fadeIn 2s ease-in-out;
 		}
 
 		.time {
 			font-size: 10rem;
 			margin: 0;
-			color: #2c3e50;
+			color: #ecf0f1;
 			font-weight: 700;
 			text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
 			animation: glow 1s ease-in-out infinite alternate;
@@ -67,7 +69,7 @@
 		.text {
 			font-size: 1.5rem;
 			margin-bottom: 20px;
-			color: #57606f;
+			color: #bdc3c7;
 		}
 
 		.btn {
@@ -93,7 +95,7 @@
 		}
 
 		.btn.fullscreen {
-			background-color: #f44336;
+			background: linear-gradient(135deg, #e74c3c, #c0392b);
 			color: #fff;
 		}
 
