修改smarty模版即可
<!--luowei 2014.12.15 start-->
<{if $smarty.now|date_format:"%Y-%m-%d" gt $val.end_time}>
<span style="padding-left:20px; color:#FD1C2D;">(过期) </span>
<{/if}> <!--luowei 2014.12.15 end-->