plobelm about play mu on Lan online

help me please about muonline server
- I Use Muserver Season4 new item 1.05.11 online work with wanip (no-ip)
but  I play with Lan same Workgroup Muserver  it not connect
- I edit folder connect  add IP 192.168.1.11 (ip muserver) working but  other people  notconnect
- Question???
how to play muonline Lan workgroup with  other people

sorry i bad english lang