public Task<UserModel> GetByIdAsync(long id)
 {
     return Queryable.Where(UserExpression.Id(id)).Select(UserExpression.Model).SingleOrDefaultAsync();
 }
 public Task<long> GetAuthIdByUserIdAsync(long id)
 {
     return Queryable.Where(UserExpression.Id(id)).Select(UserExpression.AuthId).SingleOrDefaultAsync();
 }