信息类型 : MySQL Query Error
发生时间 : 2020-03-30 17:48:31
错误文件 : /teachercontent.php
SQL语句 : SELECT id,name FROM nd_teacher WHERE category_id=
错误信息 : 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 '' at line 3
错误代码 : # 1064