Initial setup of web app.

+"""
+Flask主应用 - 统一管理三个Streamlit应用
+"""
+
+import os
+import sys
+import subprocess
+import time
+import json
+import threading
+from datetime import datetime
+from queue import Queue, Empty
+from flask import Flask, render_template, request, jsonify, Response
+from flask_socketio import SocketIO, emit
+import signal
+import atexit
+import requests
+
+app = Flask(__name__)
+app.config['SECRET_KEY'] = 'weibo_analysis_system_2024'
+socketio = SocketIO(app, cors_allowed_origins="*")
+
+# 全局变量存储进程信息
+processes = {
+    'insight': {'process': None, 'port': 8501, 'status': 'stopped', 'output': []},
+    'media': {'process': None, 'port': 8502, 'status': 'stopped', 'output': []},
+    'query': {'process': None, 'port': 8503, 'status': 'stopped', 'output': []}
+}
+
+# 输出队列
+output_queues = {
+    'insight': Queue(),
+    'media': Queue(),
+    'query': Queue()
+}
+
+def read_process_output(process, app_name):
+    """读取进程输出并放入队列"""
+    while True:
+        try:
+            if process.poll() is not None:
+                break
+            
+            output = process.stdout.readline()
+            if output:
+                line = output.decode('utf-8', errors='ignore').strip()
+                if line:
+                    timestamp = datetime.now().strftime('%H:%M:%S')
+                    formatted_line = f"[{timestamp}] {line}"
+                    
+                    # 添加到输出列表（保持最近100行）
+                    processes[app_name]['output'].append(formatted_line)
+                    if len(processes[app_name]['output']) > 100:
+                        processes[app_name]['output'].pop(0)
+                    
+                    # 发送到前端
+                    socketio.emit('console_output', {
+                        'app': app_name,
+                        'line': formatted_line
+                    })
+        except Exception as e:
+            print(f"Error reading output for {app_name}: {e}")
+            break
+
+def start_streamlit_app(app_name, script_path, port):
+    """启动Streamlit应用"""
+    try:
+        if processes[app_name]['process'] is not None:
+            return False, "应用已经在运行"
+        
+        # 检查文件是否存在
+        if not os.path.exists(script_path):
+            return False, f"文件不存在: {script_path}"
+        
+        cmd = [
+            sys.executable, '-m', 'streamlit', 'run',
+            script_path,
+            '--server.port', str(port),
+            '--server.headless', 'true',
+            '--browser.gatherUsageStats', 'false',
+            '--logger.level', 'info'
+        ]
+        
+        # 使用当前工作目录而不是脚本目录
+        process = subprocess.Popen(
+            cmd,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.STDOUT,
+            bufsize=1,
+            universal_newlines=False,
+            cwd=os.getcwd()
+        )
+        
+        processes[app_name]['process'] = process
+        processes[app_name]['status'] = 'starting'
+        processes[app_name]['output'] = []
+        
+        # 启动输出读取线程
+        output_thread = threading.Thread(
+            target=read_process_output,
+            args=(process, app_name),
+            daemon=True
+        )
+        output_thread.start()
+        
+        return True, f"{app_name} 应用启动中..."
+        
+    except Exception as e:
+        return False, f"启动失败: {str(e)}"
+
+def stop_streamlit_app(app_name):
+    """停止Streamlit应用"""
+    try:
+        if processes[app_name]['process'] is None:
+            return False, "应用未运行"
+        
+        process = processes[app_name]['process']
+        process.terminate()
+        
+        # 等待进程结束
+        try:
+            process.wait(timeout=5)
+        except subprocess.TimeoutExpired:
+            process.kill()
+            process.wait()
+        
+        processes[app_name]['process'] = None
+        processes[app_name]['status'] = 'stopped'
+        
+        return True, f"{app_name} 应用已停止"
+        
+    except Exception as e:
+        return False, f"停止失败: {str(e)}"
+
+def check_app_status():
+    """检查应用状态"""
+    for app_name, info in processes.items():
+        if info['process'] is not None:
+            if info['process'].poll() is None:
+                # 进程仍在运行，检查端口是否可访问
+                try:
+                    response = requests.get(f"http://localhost:{info['port']}", timeout=2)
+                    if response.status_code == 200:
+                        info['status'] = 'running'
+                    else:
+                        info['status'] = 'starting'
+                except requests.exceptions.RequestException:
+                    info['status'] = 'starting'
+                except Exception:
+                    info['status'] = 'starting'
+            else:
+                # 进程已结束
+                info['process'] = None
+                info['status'] = 'stopped'
+
+def wait_for_app_startup(app_name, max_wait_time=30):
+    """等待应用启动完成"""
+    import time
+    start_time = time.time()
+    while time.time() - start_time < max_wait_time:
+        info = processes[app_name]
+        if info['process'] is None:
+            return False, "进程已停止"
+        
+        if info['process'].poll() is not None:
+            return False, "进程启动失败"
+        
+        try:
+            response = requests.get(f"http://localhost:{info['port']}", timeout=2)
+            if response.status_code == 200:
+                info['status'] = 'running'
+                return True, "启动成功"
+        except:
+            pass
+        
+        time.sleep(1)
+    
+    return False, "启动超时"
+
+def cleanup_processes():
+    """清理所有进程"""
+    for app_name in processes:
+        stop_streamlit_app(app_name)
+
+# 注册清理函数
+atexit.register(cleanup_processes)
+
+@app.route('/')
+def index():
+    """主页"""
+    return render_template('index.html')
+
+@app.route('/api/status')
+def get_status():
+    """获取所有应用状态"""
+    check_app_status()
+    return jsonify({
+        app_name: {
+            'status': info['status'],
+            'port': info['port'],
+            'output_lines': len(info['output'])
+        }
+        for app_name, info in processes.items()
+    })
+
+@app.route('/api/start/<app_name>')
+def start_app(app_name):
+    """启动指定应用"""
+    if app_name not in processes:
+        return jsonify({'success': False, 'message': '未知应用'})
+    
+    script_paths = {
+        'insight': 'SingleEngineApp/insight_engine_streamlit_app.py',
+        'media': 'SingleEngineApp/media_engine_streamlit_app.py',
+        'query': 'SingleEngineApp/query_engine_streamlit_app.py'
+    }
+    
+    success, message = start_streamlit_app(
+        app_name, 
+        script_paths[app_name], 
+        processes[app_name]['port']
+    )
+    
+    if success:
+        # 等待应用启动
+        startup_success, startup_message = wait_for_app_startup(app_name, 15)
+        if not startup_success:
+            message += f" 但启动检查失败: {startup_message}"
+    
+    return jsonify({'success': success, 'message': message})
+
+@app.route('/api/stop/<app_name>')
+def stop_app(app_name):
+    """停止指定应用"""
+    if app_name not in processes:
+        return jsonify({'success': False, 'message': '未知应用'})
+    
+    success, message = stop_streamlit_app(app_name)
+    return jsonify({'success': success, 'message': message})
+
+@app.route('/api/output/<app_name>')
+def get_output(app_name):
+    """获取应用输出"""
+    if app_name not in processes:
+        return jsonify({'success': False, 'message': '未知应用'})
+    
+    return jsonify({
+        'success': True,
+        'output': processes[app_name]['output']
+    })
+
+@app.route('/api/search', methods=['POST'])
+def search():
+    """统一搜索接口"""
+    data = request.get_json()
+    query = data.get('query', '').strip()
+    
+    if not query:
+        return jsonify({'success': False, 'message': '搜索查询不能为空'})
+    
+    # 检查哪些应用正在运行
+    check_app_status()
+    running_apps = [name for name, info in processes.items() if info['status'] == 'running']
+    
+    if not running_apps:
+        return jsonify({'success': False, 'message': '没有运行中的应用'})
+    
+    # 向运行中的应用发送搜索请求
+    results = {}
+    api_ports = {'insight': 8601, 'media': 8602, 'query': 8603}
+    
+    for app_name in running_apps:
+        try:
+            api_port = api_ports[app_name]
+            # 调用Streamlit应用的API端点
+            response = requests.post(
+                f"http://localhost:{api_port}/api/search",
+                json={'query': query},
+                timeout=10
+            )
+            if response.status_code == 200:
+                results[app_name] = response.json()
+            else:
+                results[app_name] = {'success': False, 'message': 'API调用失败'}
+        except Exception as e:
+            results[app_name] = {'success': False, 'message': str(e)}
+    
+    return jsonify({
+        'success': True,
+        'query': query,
+        'results': results
+    })
+
+@socketio.on('connect')
+def handle_connect():
+    """客户端连接"""
+    emit('status', 'Connected to Flask server')
+
+@socketio.on('request_status')
+def handle_status_request():
+    """请求状态更新"""
+    check_app_status()
+    emit('status_update', {
+        app_name: {
+            'status': info['status'],
+            'port': info['port']
+        }
+        for app_name, info in processes.items()
+    })
+
+if __name__ == '__main__':
+    # 启动时自动启动所有Streamlit应用
+    print("正在启动Streamlit应用...")
+    
+    script_paths = {
+        'insight': 'SingleEngineApp/insight_engine_streamlit_app.py',
+        'media': 'SingleEngineApp/media_engine_streamlit_app.py',
+        'query': 'SingleEngineApp/query_engine_streamlit_app.py'
+    }
+    
+    for app_name, script_path in script_paths.items():
+        print(f"检查文件: {script_path}")
+        if os.path.exists(script_path):
+            print(f"启动 {app_name}...")
+            success, message = start_streamlit_app(app_name, script_path, processes[app_name]['port'])
+            print(f"{app_name}: {message}")
+            
+            if success:
+                print(f"等待 {app_name} 启动完成...")
+                startup_success, startup_message = wait_for_app_startup(app_name, 30)
+                print(f"{app_name} 启动检查: {startup_message}")
+        else:
+            print(f"错误: {script_path} 不存在")
+    
+    print("所有应用启动完成，启动Flask服务器...")
+    
+    try:
+        # 启动Flask应用
+        socketio.run(app, host='0.0.0.0', port=5000, debug=False)
+    except KeyboardInterrupt:
+        print("\n正在关闭应用...")
+        cleanup_processes()

@@ -30,3 +30,11 @@ uuid>=1.30
 pytest>=7.4.0
 black>=23.0.0
 flake8>=6.0.0
+
+# Flask Web应用
+flask==2.3.3
+flask-socketio==5.3.6
+streamlit==1.28.1
+requests==2.31.0
+python-socketio==5.8.0
+eventlet==0.33.3
\ No newline at end of file

+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>微博舆情预测系统</title>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.0.0/socket.io.js"></script>
+    <style>
+        * {
+            margin: 0;
+            padding: 0;
+            box-sizing: border-box;
+        }
+
+        body {
+            font-family: 'Arial', sans-serif;
+            background-color: #ffffff;
+            color: #000000;
+            line-height: 1.6;
+            overflow-x: hidden;
+        }
+
+        .container {
+            max-width: 100vw;
+            min-height: 100vh;
+            display: flex;
+            flex-direction: column;
+            border: 2px solid #000000;
+        }
+
+        /* 搜索框区域 */
+        .search-section {
+            border-bottom: 2px solid #000000;
+            padding: 20px;
+            background-color: #ffffff;
+        }
+
+        .search-title {
+            font-size: 24px;
+            font-weight: bold;
+            text-align: center;
+            margin-bottom: 20px;
+            letter-spacing: 1px;
+        }
+
+        .search-box {
+            display: flex;
+            max-width: 800px;
+            margin: 0 auto;
+            border: 2px solid #000000;
+        }
+
+        .search-input {
+            flex: 1;
+            padding: 15px;
+            border: none;
+            outline: none;
+            font-size: 16px;
+            background-color: #ffffff;
+        }
+
+        .search-button {
+            padding: 15px 30px;
+            border: none;
+            border-left: 2px solid #000000;
+            background-color: #000000;
+            color: #ffffff;
+            cursor: pointer;
+            font-size: 16px;
+            font-weight: bold;
+            transition: all 0.3s ease;
+        }
+
+        .search-button:hover {
+            background-color: #333333;
+        }
+
+        .search-button:disabled {
+            background-color: #666666;
+            cursor: not-allowed;
+        }
+
+        /* 主内容区域 */
+        .main-content {
+            flex: 1;
+            display: flex;
+            height: calc(100vh - 140px);
+        }
+
+        /* 嵌入页面区域 */
+        .embedded-section {
+            flex: 2;
+            border-right: 2px solid #000000;
+            background-color: #ffffff;
+            position: relative;
+        }
+
+        .embedded-header {
+            padding: 15px;
+            border-bottom: 2px solid #000000;
+            background-color: #ffffff;
+            font-weight: bold;
+            text-align: center;
+        }
+
+        .embedded-content {
+            height: calc(100% - 60px);
+            position: relative;
+        }
+
+        /* 控制台输出区域 */
+        .console-section {
+            flex: 1;
+            display: flex;
+            flex-direction: column;
+            background-color: #ffffff;
+        }
+
+        /* 应用切换按钮 */
+        .app-switcher {
+            display: flex;
+            border-bottom: 2px solid #000000;
+        }
+
+        .app-button {
+            flex: 1;
+            padding: 15px;
+            border: none;
+            border-right: 2px solid #000000;
+            background-color: #ffffff;
+            cursor: pointer;
+            font-size: 14px;
+            font-weight: bold;
+            transition: all 0.3s ease;
+            position: relative;
+        }
+
+        .app-button:last-child {
+            border-right: none;
+        }
+
+        .app-button.active {
+            background-color: #000000;
+            color: #ffffff;
+        }
+
+        .app-button:not(.active):hover {
+            background-color: #f0f0f0;
+        }
+
+        .status-indicator {
+            position: absolute;
+            top: 5px;
+            right: 5px;
+            width: 8px;
+            height: 8px;
+            border-radius: 50%;
+            background-color: #ff0000;
+        }
+
+        .status-indicator.running {
+            background-color: #00ff00;
+        }
+
+        .status-indicator.starting {
+            background-color: #ffff00;
+        }
+
+        /* 控制台输出 */
+        .console-output {
+            flex: 1;
+            padding: 15px;
+            background-color: #000000;
+            color: #00ff00;
+            font-family: 'Courier New', monospace;
+            font-size: 12px;
+            overflow-y: auto;
+            white-space: pre-wrap;
+            word-break: break-all;
+        }
+
+        .console-line {
+            margin-bottom: 2px;
+        }
+
+        /* 状态信息 */
+        .status-bar {
+            padding: 10px 20px;
+            border-top: 2px solid #000000;
+            background-color: #ffffff;
+            font-size: 12px;
+            display: flex;
+            justify-content: space-between;
+            align-items: center;
+        }
+
+        .loading {
+            display: inline-block;
+            width: 12px;
+            height: 12px;
+            border: 2px solid #000000;
+            border-radius: 50%;
+            border-top-color: transparent;
+            animation: spin 1s ease-in-out infinite;
+        }
+
+        @keyframes spin {
+            to { transform: rotate(360deg); }
+        }
+
+        /* 响应式设计 */
+        @media (max-width: 768px) {
+            .main-content {
+                flex-direction: column;
+                height: auto;
+            }
+
+            .embedded-section {
+                border-right: none;
+                border-bottom: 2px solid #000000;
+                height: 400px;
+            }
+
+            .console-section {
+                height: 300px;
+            }
+        }
+
+        /* 消息提示 */
+        .message {
+            position: fixed;
+            top: 20px;
+            right: 20px;
+            padding: 10px 20px;
+            border: 2px solid #000000;
+            background-color: #ffffff;
+            z-index: 1000;
+            opacity: 0;
+            transform: translateX(100%);
+            transition: all 0.3s ease;
+        }
+
+        .message.show {
+            opacity: 1;
+            transform: translateX(0);
+        }
+
+        .message.error {
+            background-color: #ffeeee;
+            border-color: #ff0000;
+        }
+
+        .message.success {
+            background-color: #eeffee;
+            border-color: #00ff00;
+        }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <!-- 搜索框区域 -->
+        <div class="search-section">
+            <div class="search-title">搜索框</div>
+            <div class="search-box">
+                <input type="text" class="search-input" id="searchInput" placeholder="请输入搜索内容...">
+                <button class="search-button" id="searchButton">搜索</button>
+            </div>
+        </div>
+
+        <!-- 主内容区域 -->
+        <div class="main-content">
+            <!-- 嵌入页面区域 -->
+            <div class="embedded-section">
+                <div class="embedded-header" id="embeddedHeader">嵌入的页面</div>
+                <div class="embedded-content" id="embeddedContent">
+                    <div style="display: flex; align-items: center; justify-content: center; height: 100%; color: #666;">
+                        <span>只显示一个页面 - 点击按钮切换页面</span>
+                    </div>
+                </div>
+            </div>
+
+            <!-- 控制台输出区域 -->
+            <div class="console-section">
+                <!-- 应用切换按钮 -->
+                <div class="app-switcher">
+                    <button class="app-button active" data-app="insight">
+                        <span class="status-indicator" id="status-insight"></span>
+                        Insight Engine
+                    </button>
+                    <button class="app-button" data-app="media">
+                        <span class="status-indicator" id="status-media"></span>
+                        Media Engine
+                    </button>
+                    <button class="app-button" data-app="query">
+                        <span class="status-indicator" id="status-query"></span>
+                        Query Engine
+                    </button>
+                </div>
+
+                <!-- 控制台输出 -->
+                <div class="console-output" id="consoleOutput">
+                    <div class="console-line">[系统] 等待连接...</div>
+                </div>
+            </div>
+        </div>
+
+        <!-- 状态栏 -->
+        <div class="status-bar">
+            <span id="connectionStatus">连接中...</span>
+            <span id="systemTime"></span>
+        </div>
+    </div>
+
+    <!-- 消息提示 -->
+    <div class="message" id="message"></div>
+
+    <script>
+        // 全局变量
+        let socket;
+        let currentApp = 'insight';
+        let appStatus = {
+            insight: 'stopped',
+            media: 'stopped',
+            query: 'stopped'
+        };
+
+        // 初始化
+        document.addEventListener('DOMContentLoaded', function() {
+            initializeSocket();
+            initializeEventListeners();
+            updateTime();
+            setInterval(updateTime, 1000);
+            checkStatus();
+            setInterval(checkStatus, 5000);
+        });
+
+        // Socket.IO连接
+        function initializeSocket() {
+            socket = io();
+
+            socket.on('connect', function() {
+                updateConnectionStatus('已连接');
+                socket.emit('request_status');
+            });
+
+            socket.on('disconnect', function() {
+                updateConnectionStatus('连接断开');
+            });
+
+            socket.on('console_output', function(data) {
+                if (data.app === currentApp) {
+                    addConsoleOutput(data.line);
+                }
+            });
+
+            socket.on('status_update', function(data) {
+                updateAppStatus(data);
+            });
+        }
+
+        // 事件监听器
+        function initializeEventListeners() {
+            // 搜索按钮
+            document.getElementById('searchButton').addEventListener('click', performSearch);
+            document.getElementById('searchInput').addEventListener('keypress', function(e) {
+                if (e.key === 'Enter') {
+                    performSearch();
+                }
+            });
+
+            // 应用切换按钮
+            document.querySelectorAll('.app-button').forEach(button => {
+                button.addEventListener('click', function() {
+                    const app = this.dataset.app;
+                    switchToApp(app);
+                });
+            });
+        }
+
+        // 执行搜索
+        function performSearch() {
+            const query = document.getElementById('searchInput').value.trim();
+            if (!query) {
+                showMessage('请输入搜索内容', 'error');
+                return;
+            }
+
+            const button = document.getElementById('searchButton');
+            button.disabled = true;
+            button.innerHTML = '<span class="loading"></span> 搜索中...';
+
+            fetch('/api/search', {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json',
+                },
+                body: JSON.stringify({ query: query })
+            })
+            .then(response => response.json())
+            .then(data => {
+                if (data.success) {
+                    showMessage('搜索请求已发送到所有运行中的应用', 'success');
+                } else {
+                    showMessage(data.message || '搜索失败', 'error');
+                }
+            })
+            .catch(error => {
+                console.error('搜索错误:', error);
+                showMessage('搜索请求失败', 'error');
+            })
+            .finally(() => {
+                button.disabled = false;
+                button.innerHTML = '搜索';
+            });
+        }
+
+        // 切换应用
+        function switchToApp(app) {
+            if (app === currentApp) return;
+
+            // 更新按钮状态
+            document.querySelectorAll('.app-button').forEach(btn => {
+                btn.classList.remove('active');
+            });
+            document.querySelector(`[data-app="${app}"]`).classList.add('active');
+
+            currentApp = app;
+
+            // 清空并加载新的控制台输出
+            document.getElementById('consoleOutput').innerHTML = '<div class="console-line">[系统] 切换到 ' + app + ' 应用</div>';
+            loadConsoleOutput(app);
+
+            // 更新嵌入页面
+            updateEmbeddedPage(app);
+        }
+
+        // 加载控制台输出
+        function loadConsoleOutput(app) {
+            fetch(`/api/output/${app}`)
+            .then(response => response.json())
+            .then(data => {
+                if (data.success && data.output.length > 0) {
+                    const consoleOutput = document.getElementById('consoleOutput');
+                    data.output.forEach(line => {
+                        const div = document.createElement('div');
+                        div.className = 'console-line';
+                        div.textContent = line;
+                        consoleOutput.appendChild(div);
+                    });
+                    consoleOutput.scrollTop = consoleOutput.scrollHeight;
+                }
+            })
+            .catch(error => {
+                console.error('加载输出失败:', error);
+            });
+        }
+
+        // 添加控制台输出
+        function addConsoleOutput(line) {
+            const consoleOutput = document.getElementById('consoleOutput');
+            const div = document.createElement('div');
+            div.className = 'console-line';
+            div.textContent = line;
+            consoleOutput.appendChild(div);
+
+            // 保持最近100行
+            const lines = consoleOutput.children;
+            if (lines.length > 100) {
+                consoleOutput.removeChild(lines[0]);
+            }
+
+            consoleOutput.scrollTop = consoleOutput.scrollHeight;
+        }
+
+        // 更新嵌入页面
+        function updateEmbeddedPage(app) {
+            const header = document.getElementById('embeddedHeader');
+            const content = document.getElementById('embeddedContent');
+            
+            const appNames = {
+                insight: 'Insight Engine - 私有数据库分析',
+                media: 'Media Engine - 多模态能力',
+                query: 'Query Engine - 网页搜索'
+            };
+
+            header.textContent = appNames[app] || app;
+
+            // 如果应用正在运行，显示iframe
+            if (appStatus[app] === 'running') {
+                const ports = { insight: 8501, media: 8502, query: 8503 };
+                content.innerHTML = `<iframe src="http://localhost:${ports[app]}" style="width: 100%; height: 100%; border: none;"></iframe>`;
+            } else {
+                content.innerHTML = `
+                    <div style="display: flex; align-items: center; justify-content: center; height: 100%; color: #666; flex-direction: column;">
+                        <div style="margin-bottom: 10px;">${appNames[app]} 未运行</div>
+                        <div style="font-size: 12px;">状态: ${appStatus[app]}</div>
+                    </div>
+                `;
+            }
+        }
+
+        // 检查应用状态
+        function checkStatus() {
+            fetch('/api/status')
+            .then(response => response.json())
+            .then(data => {
+                updateAppStatus(data);
+            })
+            .catch(error => {
+                console.error('状态检查失败:', error);
+            });
+        }
+
+        // 更新应用状态
+        function updateAppStatus(data) {
+            for (const [app, info] of Object.entries(data)) {
+                appStatus[app] = info.status;
+                const indicator = document.getElementById(`status-${app}`);
+                if (indicator) {
+                    indicator.className = `status-indicator ${info.status}`;
+                }
+            }
+
+            // 如果当前显示的应用状态发生变化，更新嵌入页面
+            updateEmbeddedPage(currentApp);
+        }
+
+        // 更新连接状态
+        function updateConnectionStatus(status) {
+            document.getElementById('connectionStatus').textContent = status;
+        }
+
+        // 更新时间
+        function updateTime() {
+            const now = new Date();
+            const timeString = now.toLocaleTimeString('zh-CN');
+            document.getElementById('systemTime').textContent = timeString;
+        }
+
+        // 显示消息
+        function showMessage(text, type = 'info') {
+            const message = document.getElementById('message');
+            message.textContent = text;
+            message.className = `message ${type}`;
+            message.classList.add('show');
+
+            setTimeout(() => {
+                message.classList.remove('show');
+            }, 3000);
+        }
+    </script>
+</body>
+</html>