Oracle 10g "EM"乱码问题应当如何解决

[oracle@danaly ~]$ cd $ORACLE_HOME/jdk/jre
/lib[oracle@danaly lib]$ ls font*zh_CN*font.
properties.zh_CN.Redhat font.properties.
zh_CN.Redhat2.1 font.properties.
zh_CN.Sun font.properties.zh_CN_UTF8.Sun 

[oracle@danaly lib]$ cd $ORACLE_HOME/jre
/1.4.2/lib/[oracle@danaly lib]$ ls 
font*zh_CN*font.properties.zh_CN.Redhat 
font.properties.zh_CN.Redhat2.1 
font.properties.zh_CN.Sun font.properties.
zh_CN_UTF8.Sun

[oracle@danaly lib]$ cp font.properties.
zh_CN.Redhat font.properties

$ORACLE_HOME/oc4j/j2ee/oc4j_applications
/applications/em/em/cabo/images/cache/zhs

[oracle@danaly zhs]$ emctl stop dbconsoleTZ 
set to PRCOracle Enterprise Manager 10g Database
Control Release 10.2.0.1.0 Copyright (c) 
1996, 2005 Oracle Corporation. All rights 
reserved.http://danaly.hurrray.com.cn:1158/em
/console/aboutApplicationStopping Oracle 
Enterprise Manager 10g Database Control 
... ... Stopped. [oracle@danaly zhs]$ emctl 
start dbconsoleTZ set to PRCOracle Enterprise 
Manager 10g Database Control Release 10.2.0.1.0
Copyright (c) 1996, 2005 Oracle Corporation. 
All rights reserved.http://danaly.hurrray.com.cn:1158
/em/console/aboutApplicationStarting Oracle 
Enterprise Manager 10g Database Control 
.............. started. ------------------------
Logs are generated in directory /opt
/oracle/product/10.2.0/danaly.
hurrray.com.cn_danaly/sysman/log