带有图像的 selectOneMenu 不显示单选按钮

如何解决带有图像的 selectOneMenu 不显示单选按钮

<h:selectOneRadio id="broadCaster" value="#{customerPack.selectedbroadCaster}" layout="custome">
  <ui:repeat var="broadCasterItem" value="${customerPack.broadCasterList.entrySet().toArray()}">
    <div class="col-md-1" style="padding: 0px 5px 0px 0px">
      <div class="panel panel-primary">
        <div class="row">
          <div class="col-md-12" style="float: none;text-align: center">
            <img src="${broadCasterItem.value}" style="height: 50px;width: 50px"/>
          </div>
        </div>
        <div class="panel-footer" style="padding: 0px 3px;text-align: center">
          <f:selectItem itemValue="${broadCasterItem.value}"/>
        </div>
      </div>
    </div>
  </ui:repeat>
</h:selectOneRadio>