我在crm\customer\view\create.html.php里按照edit.html.php复制了

<tr>
     <th><?php echo $lang->customer->area;?></th>
     <td><?php echo html::select('area', $areaList,  $customer->area, "class='form-control chosen'");?></td>
</tr>

td标签内显示空白，望指教错误。