function showAlert(type, message) {
    const alertHtml = `
        <div class="alert alert-${type} alert-dismissible fade show" role="alert">
            <strong>操作提示：</strong> ${message}
            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button>
        </div>`;
    $('#alertContainer').html(alertHtml);
}