9008M的SSLVPN问题

9008自带的SSLVPN功能，配置后用inode拨号已正常使用近1年，但前两天开始拨号提示认证失败，但是网页登录SSLVPN是成功的。换过电脑安装inode也一样提示认证失败。请问是什么原因造成的？

拨号终端的日志如下：

[2021-10-27 09:57:59] [Dbg] [c60] CHttpsAuth::syncSendAuthReq POST /_xml/login.cgi HTTP/1.1 

Host: x.x.x.x

 User-Agent: SSLVPN-Client/7.0 

Content-Length: 322 request=%3Cdata%3E%3Cusername%3Eqingyun1%3C%2Fusername%3E%3Cpassword%3EQingyun%2540123%3C%2Fpassword%3E%3CvldCode%3E%3C%2FvldCode%3E%3Clanguage%3ECN%3C%2Flanguage%3E%3COS%3EWindows%3C%2FOS%3E%3CmacAddress%3Eccf9%2De4de%2Dd2fd%3C%2FmacAddress%3E%3Cprivate%3EARY6MV8fGlVnIXgdS2AtBygoW5b3iA%3D%3D%3C%2Fprivate%3E%3C%2Fdata%3E

 [2021-10-27 09:57:59] [Dbg] [c60] CSslHttpOper::hasHttpHeader the 'Transfer-Encoding' in the http header is Chunked.

 [2021-10-27 09:57:59] [Dbg] [c60] CSslHttpOper::recvRespData Go on Chunked Data Prasing. 

[2021-10-27 09:57:59] [Dbg] [c60] CSslHttpOper::recvRespData Go on Chunked Data Prasing.

 [2021-10-27 09:57:59] [Dbg] [c60] CSslHttpOper::recvRespData Finish Chunked Data Prasing.

 [2021-10-27 09:57:59] [Dbg] [c60] CSslHttpOper::recvRespData HTTP/1.1 200 OK

 Transfer-Encoding: chunked Content-Type: text/html 

Cache-Control: no-store Server: SSLVPN-Gateway/7.0 

Date: Wed, 27 Oct 2021 09:53:01

 <data> <result> Failed </result> <replyMessage> 认证失败 </replyMessage> <private> ARY6MV8fGlVnIXgdS2AtBygoW5b3iA== </private> </data>

2021-10-27 09:57:59] [Dbg] [c60] SSLVpnXml ParseOnLine: SUCCEED -- Parse!

 [2021-10-27 09:57:59] [Err] [c60] CHttpsAuth::doAuth the authentication process is failed. 

[2021-10-27 09:57:59] [Err] [c60] CSslVpnMgr::startConnSpecial failed to be authenticated by the remote gateway, return code: 1 

[2021-10-27 09:57:59] [Err] [c60] CInodeNetCmd::loadSslVpnRoutes failed to load the route file.

 [2021-10-27 09:57:59] [Err] [c60] CInodeNetCmd::clearLastVpnRoutes failed to load last VPN routes. 

[2021-10-27 09:57:59] [Info] [c60] CProtoBase::startConn failed to start connection, error code: 1

 [2021-10-27 09:57:59] [Err] [c60] CProtoBase::startConn failed to start the connection by protocol.