zeus/front/templates/pc/device/alert/screen.html

<input type="hidden" name="id" id="id" value="{% if 'info' in data and data['info'] and 'id' in data['info'] and data['info']['id'] > 0 %}{{data['info']['id']}}{% end %}" />
<div class="form">
    <label><span>欢迎语:</span><input type="text" name="update_name" id="update_name" value="{% if 'info' in data and data['info'] and 'welcome' in data['info'] and data['info']['welcome'] %}{{data['info']['welcome']}}{% end %}" placeholder="欢迎语"></label>
    {%include 'select.html'%}
</div>