<div class="qa-list">
    {{#if qas}}
        {{#each qas}}
            <div class="item">
                <div class="q">{{caption}}</div>
                <div class="a">{{{content}}}</div>
            </div>
        {{/each}}
    {{else}}
        <div class="list-tip">
            <span class="tip">暂无问题</span>
        </div>
    {{/if}}
</div>