dedecms织梦模板搜索页有缩略图调用无缩图则不显示

[field:array runphp='yes']   @me=strpos(@me['litpic'],'defaultpic')?'':"<a class="tag-a" href='@me[arcurl]' target="_blank"><img src='@me[litpic]' /></a>"; [/field:array]