帝国CMS如何调用缩略图

<?php
$cr=$empire->fetch1("select classimg from phome_enewsclass where classid=&#39;$bqr[classid]&#39;");?> 
<img src="<?=$cr[classimg]?>">

[e:loop={"select classid,classname,classimg,intro from phome_enewsclass where classid=栏目id",1,24,0}]
<a href="/e/public/ClassUrl?classid=<?=$bqr[classid]?>"><?=$bqr[classname]?></a>
<img src="<?=$bqr[classimg]?>">
<?=$bqr[intro]?>[/e:loop]

<a href="/e/public/ClassUrl?classid=<?=$bqr[classid]?>"><?=$bqr[classname]?></a>

<img src="<?=$bqr[classimg]?>">