错误SQL语句：
select * from `www_all_item` where `type` = '2' order by `id` DESC limit -600,20
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 '-600,20' at line 1
客户IP:220.181.89.174
时间 :2013-07-23 08:31:02

错误SQL语句：
select * from `www_all_item` where `type` = '2' order by `id` DESC limit -580,20
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 '-580,20' at line 1
客户IP:220.181.89.174
时间 :2013-07-23 09:01:34

错误SQL语句：
select * from `www_all_item` where `type` = '2' order by `id` DESC limit -640,20
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 '-640,20' at line 1
客户IP:220.181.89.174
时间 :2013-07-23 17:11:32

错误SQL语句：
select * from `www_all_item` where `type` = '2' order by `id` DESC limit -620,20
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 '-620,20' at line 1
客户IP:220.181.89.174
时间 :2013-07-23 18:09:26

错误SQL语句：
select * from `www_all_item` where `type` = '2' order by `id` DESC limit -640,20
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 '-640,20' at line 1
客户IP:220.181.89.174
时间 :2013-07-23 18:32:40