在category.html 调用自定义表单属性参数的内容，一直不显示，请教！

 {form form=fuwuanli order=inputtime num=1 IN_id=1}
      <div class="col-md-6 default info">
        <h2>{$t.title}</h2>
        <p>{$t.jianjie}</p>
        <div class="fun-facts">
          <div class="row">
         {loop $shuju $i $t}
            <div class="col-md-4 col-sm-4 item">
              <div class="fun-fact">
                <div class="timer" data-to="{$t.value}" data-speed="5000"></div>
                <span class="medium">{$t.name}</span></div>
            </div>
        {/loop}
          </div>
        </div>
      </div>
       {/form}