错误号：12142
错误原因：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 '-20,20' at line 1
错误SQL语句：
select id, title from dubnews order by rq desc limit -20,20
Warning: fopen(error/2024-04-20.txt) [
function.fopen]: failed to open stream: Permission denied in
/data/home/bxu2343570133/htdocs/public/database.php on line
261
文件 2024-04-20.txt 不可写
