ysh/server/app/admin/view/platform/version/menu.php

<ul class="nav nav-pills nav-stacked">
    {volist name="sidebar['menu']" id="sidebar"}
    {volist name="sidebar['children']" id="children"}
    {if $children.active}
    {volist name="children['children']" id="value"}
    <li><a href="{$value.url}?{$value.param}">{$value.name}</a></li>
    {/volist}
    {/if}
    {/volist}
    {/volist}
</ul>