awr 中文乱码

上海_Jeff

Sharable Mem (b)	Executions	% Total	SQL Id	SQL Module	SQL Text
4,076,571	2	0.41	c8khjbn635s3c	plsqldev.exe	獥汥捴？？祮潮祭彮慭攠潢橥捴彮慭攬？？扪散瑟瑹灥？牯洠慬江獹...
3,910,259	2	0.40	c8khjbn635s3c	plsqldev.exe	獥汥捴？？祮潮祭彮慭攠潢橥捴彮慭攬？？扪散瑟瑹灥？牯洠慬江獹...
3,359,986	1	0.34	6wm3n4d7bnddg		？？？吠獯畲捥？？？？ 捡獥？桥渠瑩浥彳散猠？ㄠ瑨敮？？汳攠...
3,347,098	3	0.34	ab3swhv5g138y		獥汥捴？？佉？？？协？？剕乔？？？剉？？？奐？？千？？？？听...
1,633,616	15	0.17	bn4b3vjw2mj3u		卅？？？？佉？？？佉？？？？？？？？？？？？匬？？？？‰？剕...
1,526,614	166	0.15	cw9mjyypvma13	JDBC Thin Client	SELECT CASE WHEN NVL(A.INVERTE...
1,470,579	1	0.15	gjm43un5cy843		卅？？？啍？卅？？单？呏呁？？剏？？？？吠？？佒？剅？？？啍...
1,389,999	2	0.14	69k5bhm12sz98		SELECT dbin.instance_number, d...
1,163,294	8	0.12	6thhhy0du9r98	JDBC Thin Client	update T_USER set LOGIN_NAME=:...

Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
PL/SQL Release 11.2.0.1.0 - Production
CORE 11.2.0.1.0 Production
TNS for Linux: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production

Linux localhost.localdomain 2.6.18-128.el5 #1 SMP Wed Dec 17 11:41:38 EST 2008 x86_64 x86_64 x86_64 GNU/Linux


环境变量：
export NLS_LANG="SIMPLIFIED CHINESE_CHINA.ZHS16GBK"
export LANG=zh_CN.GB18030


AWR乱码，估计是字符集的问题，但不知道该怎么去改，麻烦大家支个招，谢谢了！