// Some code
CreateMap<Vehicle, VehicleResponse>()
.ForMember(dest => dest.CTP, opt => opt.MapFrom(src => src.Ctp.ToString()))
.ForMember(dest => dest.Company, opt => opt.Ignore()) //不map company
//建立新的,阻止VehicleType下的嵌套
.ForMember(dest => dest.VehicleType, opt => opt.MapFrom(src=>new VehicleType
{
Vehicletypeid = src.Vehicletype.Vehicletypeid,
}