$urllink = 'https://api.weixin.qq.com/wxa/generate_urllink?access_token=' . $wxtoken;
        $data = [
            'access_token' => $wxtoken,
        ];

    post请求一直返回47001，是怎么回事呀

"data": {

        "errcode": 47001,

        "errmsg": "data format error rid: 6258e47e-2b52db02-25fd6d49"

    }