hztz.net - Database Error

(1064) 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 ''\xEF\xBF\xBD\xEF\xBF\xBD\xEF\xBF\xBD\xDF\xB5\xC4\xB6\xEF\xBF\xBD\xEF\xBF\xBD\'' at line 1

SELECT * FROM common_member WHERE username='锟斤拷锟竭的讹拷锟絓'

PHP Debug

No.	File	Line	Code
1	home.php	41	require_once(%s)
2	source/module/home/home_space.php	30	table_common_member->fetch_by_username()
3	source/class/table/table_common_member.php	65	discuz_database::fetch_first()
4	source/class/discuz/discuz_database.php	94	discuz_database::query()
5	source/class/discuz/discuz_database.php	142	db_driver_mysqli->query()
6	source/class/db/db_driver_mysqli.php	148	db_driver_mysqli->halt()
7	source/class/db/db_driver_mysqli.php	223	break()

Discuz! Database Error