{cache name=module-content return=c}
        <ul class="wenzhang_ul">
            {related module=$c.dirname field=title,url,hits,updatetime,description,thumb tag=$tag.tags}
            <li class="wenzhang_li">
                <a href="{$t.url}">
                    <div class="media">
                        <img src="{dr_thumb($t.thumb)}">
                    </div>
                    <div class="media-body">
                        <h2>{$t.title}</h2>
                        <p>{$t.description}</p>
                        <div class="dn">
                            <span>浏览:&nbsp;<em>{$t.hits}次</em></span>
                            <span>更新时间:&nbsp;<em>{$t.updatetime}</em></span>
                        </div>
                    </div>
                </a>
            </li>
            {/related}
        </ul>
        {/cache}

我用这个标签调用相关模块的tag 怎么实现分页动能