SQL语句出错：select Category_zh_cn from info_category where UId like '0,30,%' order by if(MyOrder>0, MyOrder, if(MyOrder=0, 1000000, 1000001)) asc,CateId asc limit 0, 20<br>错误代码：<i>#1054</i> - Unknown column 'Category_zh_cn' in 'field list'