private void lostNdock(List <Mem_ndock> ndock)
 {
     ndock.ForEach(delegate(Mem_ndock x)
     {
         int area_id = x.Area_id;
         if (x.Ship_id > 0)
         {
             Mem_ship mem_ship = Comm_UserDatas.Instance.User_ship.get_Item(x.Ship_id);
             mem_ship.SubHp(this.getShipDamage(mem_ship.Nowhp));
             mem_ship.PortWithdraw(area_id);
         }
         Comm_UserDatas.Instance.User_ndock.Remove(x.Rid);
     });
 }