window.initLoader = function() {
    var loader = document.getElementById('loader');
    if (!loader) return;

    // 定时关闭
    setTimeout(function() {
        loader.classList.add('hide');
    }, 30000);

    // 点击关闭
    var closeBtn = document.getElementById('closeloader');
    if (closeBtn) {
        closeBtn.addEventListener('click', function() {
            loader.classList.add('hide');
        });
    }
};