CVS Login 出现如下问题？

Logging in to :pserver:cvsroot@192.168.20.59:2401/export/home0/cvsroot
CVS password: [cvsroot用户口令]
cvs [login aborted]: connect to 192.168.20.59(192.168.20.59):2401 failed: Connection refused

配置信息，用户权限 经核查无误，那位大侠指点！ 谢