vnpy版本是2.4.9,底层接口CTP期权,连接仿真交易(东证期货)报错4097,后台日志:
Decrypt handshake data failed
Decrypt handshake data failed
CThostFtdcUserApiImplBase::OnSessionDisconnected[000002C94D619B88][1464008705][ 4097]
Decrypt handshake data failed
CThostFtdcUserApiImplBase::OnSessionDisconnected[000002C950E6AAD8][1464008705][ 4097]
Decrypt handshake data failed
CThostFtdcUserApiImplBase::OnSessionDisconnected[000002C950E6BCC8][1464139778][ 4097]
请问该如何解决?