IC610仿真的时候出现以下错误信息，求助

*Error* Unable to locate 'spectre' executable in the specified path.
To set the correct path, use setShellEnvVar() in CIW.
是要修改环境变量还是什么的，不是很懂，求大神指教。

# lmstat -a | grep AnalogUsers of Analog_Design_Environment_L:(Uncounted, node-locked)
Users of Analog_Design_Environment_XL:(Uncounted, node-locked)
Users of Analog_Design_Environment_GXL:(Uncounted, node-locked)
[root@localhost nieguangzhen]# spectre -Wbash: spectre: command not found
# echo $PATH
/usr/kerberos/sbin:/home/eda/mmsim61/tools/bin:/home/eda/mmsim61/tools/spectre/bin:/home/eda/ic610/tools/bin:/home/eda/ic610/tools/dfII/bin:/home/eda/mmsim61/tools/bin:/home/eda/mmsim61/tools/spectre/bin:/home/eda/ic610/tools/bin:/home/eda/ic610/tools/dfII/bin:/usr/kerberos/bin:/usr/local/bin:/usr/bin:/bin:/usr/X11R6/bin:/home/nieguangzhen/bin

自己顶一下，高手们，赶快帮忙啊