async function fetchTimestamp() {
    try {
        const response = await fetch('/api/demo/timestamp');
        const data = await response.json();
        
        if (data.code === 1) {
            document.getElementById('timestamp').textContent = data.data.timestamp;
        } else {
            document.getElementById('timestamp').textContent = '获取失败: ' + data.msg;
        }
    } catch (error) {
        document.getElementById('timestamp').textContent = '请求失败: ' + error.message;
    }
}

// 页面加载时获取时间戳
fetchTimestamp();