{if $main.btn || $main.btn_crumb}

{foreach from=$main.btn item=m} {if $m.type eq 1} {if 'hide'|element:$m eq true && ! $m.active}{else}
{if $m.icon} {/if} {$m.name} {if element('child',$m)} {/if} {if 'back'|element:$main} {_('返回')} {/if}
{/if} {/if} {/foreach}

{else}
{/if}