SELECT htmlfile,title,pic FROM news WHERE  sort<6  AND pic<>'' ORDER BY news_id DESC LIMIT -8,8<->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 '-8,8' at line 1<br />
<b>Fatal error</b>:  Uncaught TypeError: mysqli_fetch_object(): Argument #1 ($result) must be of type mysqli_result, bool given in /var/www/htdocs/mdbo_sub.inc.php:286
Stack trace:
#0 /var/www/htdocs/mdbo_sub.inc.php(286): mysqli_fetch_object()
#1 /var/www/htdocs/xinwen.php(268): DB_query()
#2 {main}
  thrown in <b>/var/www/htdocs/mdbo_sub.inc.php</b> on line <b>286</b><br />