/// <summary>
 /// 检查车辆类型信息是否存在
 /// </summary>
 /// <param name="predicate">检查谓语表达式</param>
 /// <param name="id">更新的车辆类型信息编号</param>
 /// <returns>车辆类型信息是否存在</returns>
 public virtual Task <bool> CheckVehicleTypeExists(Expression <Func <VehicleType, bool> > predicate, int id = default(int))
 {
     return(VehicleTypeRepository.CheckExistsAsync(predicate, id));
 }