用tinkphp框架套模板时候。add页面出错，请帮小弟我看看哪个地方错了，多谢！

   {$k}
------解决思路----------------------
{$vo}

{foreach from=$s_brand_info key=_k item=_v}
   {$_v.brand_name}
{/foreach}

   {$k}
------解决思路----------------------
{$vo}

{foreach from=$s_brand_info key=_k item=_v}
   {$_v.brand_name}
{/foreach}