Guzzle获取不到响应体

Question

url是网易登录二维码的，参数正常 接口用在线测试工具也能正常返回响应体 但是用Guzzle或者Curl都获取不到响应体，这是怎么回事

问题相关代码

$client = new Client();
$response = $client->post("https://music.163.com/weapi/login/qrcode/unikey", [
    "form_params"=>[
        'params'=>'oNdENXwow1mW7fm0zoeAg5jOL9RNr2EuRuCuiISKFNg%3D',
        'encSecKey'=>'d73a7101e714ef10f288ee80b1a94b6c3eb4863284981511878760c598ed90872b1da00a30d3b55b253048b7e45900e4ad6a910addc6cbc05a439a21390eb2ab6ac2b365772be10381acea576ff3c2432587dd7d01f346b6e64e8b8e7e158b040a8103ee9c07f49b37dd1f7cee01ba9a9aac2dc96c8dfe6ba3fccf22d3115e57'
    ]
]);
echo $response->getBody();