You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '? where short_url='首尔介绍首尔市排名首尔的城市竞争力'' at line 1 | select * from short_url_ where short_url='首尔介绍首尔市排名首尔的城市竞争力'