<h4>
    <?php if ($val['question_id']) { ?>
    <a href="question/<?php echo $val['question_id']; ?>"><?php echo $val['question_content']; ?></a>
    <?php } else { ?>
    <a href="article/<?php echo $val['id']; ?>"><?php echo $val['title']; ?></a>
    <?php } ?>
    <!--新增列表页话题-->
    <?php foreach ($val['topics'] AS $t_key => $t_val) { ?>
<a href="topic/<?php echo $t_val['url_token']; ?>" class="aw-topic-name topic-tag" data-id="<?php echo $t_val['topic_id']; ?>"><span class="text"><?php echo $t_val['topic_title']; ?></span></a><?php } ?>
</h4>