很抱歉您操作数据库时发生了错误<br>发生错误时间:2025-12-21 20:21:47<br>错误信息:MySQL Query Error<br>错误语句:select pr_id,pr_name,pr_class_id,pr_pic,pr_pic_more,pr_recommend,pr_open,pr_views,pr_price,pr_price_old,pr_open,pr_try_on,pr_gender,pr_keywords,pr_description,pr_parameter,pr_time  from e_product where (pr_open='1' or pr_open='0')  and pr_class_id='7'  order by pr_order,pr_parameter,pr_id  desc LIMIT -20, 20<br>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<br>请联系我们，谢谢!