pptp from wan not see clients in lan

Hi,
I have rb1000u as gateway router. One ethernet using as WAN port with static public ip. At one LAN port I have 192.168.0.0 network. I need see LAN from home via Internet. I created one pptp user with ip 192.168.0.166 and gateway 192.168.0.1 (lan address), but can’t ping any host in local.
Please help me, where my error.
Thanx.