Discuz! Database Error

(1267) Illegal mix of collations (utf8mb4_unicode_ci,IMPLICIT) and (gbk_chinese_ci,COERCIBLE) for operation '='

SELECT *,FLOOR(yzpk) as yzpk ,FLOOR(ABS(yzpk)) as yzpk1,FLOOR(dxqpk) as dxqpk FROM bet_jc_games WHERE name='瑗跨鐢�' and me_yorno=1 and hasOdds=1 and (name!='NBA' and name!='法篮甲' and name!='西篮甲' and name!='意篮甲' and name!='WNBA') ORDER BY mestime DESC LIMIT 0,20

PHP Debug

No.	File	Line	Code
1	plugin.php	47	include(%s)
2	source/plugin/bet_jc/game.inc.php	721	discuz_database::query()
3	source/class/discuz/discuz_database.php	142	db_driver_mysqli->query()
4	source/class/db/db_driver_mysqli.php	148	db_driver_mysqli->halt()
5	source/class/db/db_driver_mysqli.php	223	break()

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