问题 JA ACM中fieldset字段的multiple问题

    <fieldset name="detail" label="详细设置" multiple="1">
        <field name="data" type="jalist" label="详细设置">
          <item name="p-img-thumbs" type="media" label="Thumbs" default="" required="0" />
          <item name="p-img" type="media" label="Web Pics" default="" required="0" />
        </field>
    </fieldset>