{eyou:list pagesize=\\\\\\\'20\\\\\\\' titlelen=\\\\\\\'26\\\\\\\' infolen=\\\\\\\'50\\\\\\\' }
{eyou:eq name=\\\\\\\'$field.is_litpic\\\\\\\' value=\\\\\\\'1\\\\\\\'}
<img class="img-responsive" src="{$field.litpic}" alt="{$field.title}">
{eyou:else/}
<img class="img-responsive" src="/images/{eyou:php}echo(mt_rand(1,3)){/eyou:php}.jpg" alt="{$field.title}"></p>
{/eyou:eq}
{/eyou:list}