mpserver not working

[surereddy]

hello sir i tried to use MPtunnel software on linux machine
mpserver 200 127.0.0.1 40000

2018-02-05 21:27:32.332 Configuration: Encryption enabled
2018-02-05 21:27:32.333 Configuration: Local listening port: 2000
2018-02-05 21:27:32.333 Configuration: server：127.0.0.1:40000
2018-02-05 21:27:32.333 Initializing libev thread
2018-02-05 21:27:32.333 Thread which forward packet from server to bridge is started
2018-02-05 21:27:32.333 libev thread started
lsof -i:2000
displays nothing just empty

how can i solve this problem .Thank you