void OnReqPick(NetworkMessage msg)
{
Log.i("LanHost OnReqPick", Log.Tag.Net);
MsgPick m = msg.ReadMessage <MsgPick> ();
DropItems u = mUnitMgr.getUnit(m.dropGuid) as DropItems;
u.decState(UnitState.Alive | UnitState.Exist);
WindowMgr.SendWindowMessage("MainWindow", "ShowDrop", u.tid);
}