Calculation/app/view/layout/assistant.ejs

<div id="global-assistant"
     class="global-assistant"
     data-project-id="<%- ctx.session.sessionProject.id %>"
     data-sub-project-id="<%- ctx.subProject ? ctx.subProject.id : '' %>">
    <button type="button" class="global-assistant-entry" aria-label="打开业务查询助手" title="业务查询助手">
        <i class="fa fa-comments"></i>
        <span>助手</span>
    </button>
    <section class="global-assistant-panel" aria-label="业务查询助手" aria-hidden="true">
        <header class="global-assistant-header">
            <div>
                <strong>业务查询助手</strong>
            </div>
            <div class="global-assistant-header-actions">
                <button type="button" class="global-assistant-clear" title="清空对话" aria-label="清空对话">
                    <i class="fa fa-trash-o"></i>
                </button>
                <button type="button" class="global-assistant-close" title="收起" aria-label="收起助手">
                    <i class="fa fa-minus"></i>
                </button>
            </div>
        </header>
        <div class="global-assistant-messages" aria-live="polite"></div>
        <div class="global-assistant-suggestions"></div>
        <form class="global-assistant-form">
            <textarea class="global-assistant-input" maxlength="200" rows="2"
                      placeholder="例如：查询合同“施工总承包”"></textarea>
            <button type="submit" class="global-assistant-send" title="发送" aria-label="发送问题">
                <i class="fa fa-paper-plane"></i>
            </button>
        </form>
    </section>
</div>