select * from yc4_item where (ca_id like '8020%' or ca_id2 like '8020%' or ca_id3 like '8020%') and it_use = '1' order by it_amount%20asc , it_order, it_id desc limit 0, 20

1054 : Unknown column '20asc' in 'order clause'

error file : /shop/list.php