webman查询构建器使用dd或dump报错(已解决)

public function db(Request $request)
{
    $uid = $request->get('uid', 3);
    Db::table('user')->where('id', $uid)->dd();
}

"require": {
    "php": ">=7.2",
    "workerman/webman-framework": "^1.3.14",
    "monolog/monolog": "^2.0",
    "psr/container": "v1",
    "illuminate/database": "^7.30",
    "illuminate/pagination": "^7.30",
    "illuminate/events": "^7.30"
  }

composer require symfony/var-dumper