{notempty name="$value['block_resource']"}
<div class="main_recommend">
    <div class="main_recommend_tit">
        <a href="javascript:;" class="main_recommend_but j_recommend_refresh">换一换</a>
        <h2>{$value.name}</h2>
    </div>
    <div class="i_images_list">
        <ul class="i_images_ul">
            {volist name="$value['block_resource']" id="data" offset="0" length='4'}
            <li>
                <a href="{:buildAppUrl('bookinfo', ['book_id' => $data.book_id])}" target="_blank">
                    <div class="i_images_img"><img alt="" src="{$data.image}" data-original="{$data.image}" /></div>
                    <h3>{$data.name}</h3>
                </a>
            </li>
            {/volist}
        </ul>
    </div>
</div>
{/notempty}