错误SQL语句：
select * from `www_all_item` where `type` = '2' order by `id` DESC limit -420,20
系统错误：You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-420,20' at line 1
客户IP:61.135.189.185
时间 :2013-11-09 02:26:30

错误SQL语句：
select * from `www_all_item` where `type` = '2' order by `id` DESC limit -400,20
系统错误：You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-400,20' at line 1
客户IP:61.135.189.185
时间 :2013-11-09 02:26:52

错误SQL语句：
select * from `www_all_item` where `type` = '2' order by `id` DESC limit -460,20
系统错误：You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-460,20' at line 1
客户IP:61.135.189.185
时间 :2013-11-09 02:27:57

错误SQL语句：
select * from `www_all_item` where `type` = '2' order by `id` DESC limit -440,20
系统错误：You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-440,20' at line 1
客户IP:61.135.189.185
时间 :2013-11-09 15:00:45

错误SQL语句：
select * from `www_all_item` where `type` = '2' order by `id` DESC limit -480,20
系统错误：You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-480,20' at line 1
客户IP:61.135.189.185
时间 :2013-11-09 15:01:46

错误SQL语句：
select * from `www_all_item` where `type` = '2' order by `id` DESC limit -500,20
系统错误：You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-500,20' at line 1
客户IP:61.135.189.185
时间 :2013-11-09 15:02:17

错误SQL语句：
select * from `www_all_item` where `type` = '2' order by `id` DESC limit -520,20
系统错误：You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-520,20' at line 1
客户IP:61.135.189.185
时间 :2013-11-09 15:02:25