{?section name=i loop=$sort?} {?/section?}
问答频道分类管理 (添加主分类)
主分类 子分类
{?$sort[i].caption?}
(删除 添加)
{?section name=a loop=$sort[i]['types']?} {?$sort[i]['types'][a]?}(删除)   {?/section?}