Not able to connect to WorkRoute Server

System

Hi,all,
Env :WSMP4.1sp1HB7 ,Workroute4.1 HF7
When starting workroute service, but can not connect to workroute.
Below is part of cms.ImCmsSvc.icd.log in $WSMP\logs\HOSTNAME\
Any sugestion ?
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星期日 七月 02 03:36:02.113: ERROR [IFlowPingThread-94] Unable to complete the login request. {Unable to complete the login request. (proxyLogin) {Unable to connect to Server. Please contact your Administrator.}}
星期日 七月 02 03:36:02.113: INFO [IFlowPingThread-94] IFlowPingThread: *** Not able to connect to WorkRoute Server ***
星期日 七月 02 03:36:11.937: ERROR [IFlowPingThread-95] Unable to complete the login request. {Unable to complete the login request. (proxyLogin) {Unable to connect to Server. Please contact your Administrator.}}
星期日 七月 02 03:36:11.937: INFO [IFlowPingThread-95] IFlowPingThread: *** Not able to connect to WorkRoute Server ***
星期日 七月 02 03:36:15.032: INFO [RMI TCP Connection(1)-169.79.117.42] Creating a new Reliable thread for router RouterId:icd.icd:169.79.117.42.workflow.4732.0 message id 0
星期日 七月 02 03:36:21.972: ERROR [IFlowPingThread-96] Unable to complete the login request. {Unable to complete the login request. (proxyLogin) {Unable to connect to Server. Please contact your Administrator.}}
星期日 七月 02 03:36:21.972: INFO [IFlowPingThread-96] IFlowPingThread: *** Not able to connect to WorkRoute Server ***