Laravel-admin 列表复杂查询中遇到的问题

列表$gird的复杂查询，按照官网文档给出的示例写完，为什么前端没有效果呢？

public function paginate()
    {
        $perPage = Request::get('per_page', 10);

        $page = Request::get('page', 1);

        $start = ($page-1)*$perPage;

        // 运行sql获取数据数组
        $sql = 'SELECT * from tbl_recordsbaseinfo where TIMESTAMPDIFF(YEAR, Birthday, CURDATE()) >= 65';

        $result = DB::select($sql);

        $movies = static::hydrate($result);
        $paginator = new LengthAwarePaginator($movies, $total, $perPage);

        $paginator->setPath(url()->current());

        return $paginator;
    }
    public static function with($relations)
    {
        return new static;
    }

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