(select count(*),concat(concat(CHAR(52),CHAR(67),CHAR(117),CHAR(105),CHAR(52),CHAR(98),CHAR(79),CHAR(100),CHAR(109),CHAR(79),CHAR(109)),floor(rand()*2))x from (select 1 union select 2)a group by x limit 1))""/>
注册 同行入口