截取上获取到的平台证书序列号是正确的。“HTTP header缺少微信支付平台证书序列号(Wechatpay-Serial)”报错请检查wechatpay-serial传值是否是XXX81E4这个序列号

您好，请提供下列资料供这边帮您定位问题。

1、调用的接口对应的接口文档

2、调用接口时传入的完整请求参数以及接口的响应报文

请以文字形式提供上述信息，不要发截图。

辛苦看下调接口添加分账接收方 （v3/profitsharing/receivers/add）时代码中是怎么传递请求头Wechatpay-Serial参数呢

    
    //添加分帐用户
    public function add(){
        $type = "PERSONAL_OPENID";
        $account = "oGUbk5Xkm91XL_gb-urq8JPrjdr8";
        $name ="郑先生";
        $relation_type = "DISTRIBUTOR";
        list($Request,$body,$header) = SpliTheBill::add($type,$account,$name,$relation_type);
        $res = SpliTheBill::send($Request,$body,$header);
        print_r($res);
    }
    //SpliTheBill::__initializtion
    //配置证书
    public function __initializtion(){
        $cert = [];
        $cert['merchantId'] = C('PAY_YIGUO')['wxpay_mch_id'];
        // 从本地文件中加载「商户API私钥」，「商户API私钥」会用来生成请求的签名
        $cert['merchantPrivateKeyFilePath'] = 'file://'.APP.'Application/Library/Payment/Wxpay/fenzhang_cert/apiclient_key.pem';
        $cert['merchantPrivateKeyInstance'] = Rsa::from($cert['merchantPrivateKeyFilePath'], Rsa::KEY_TYPE_PRIVATE);
        // 「商户API证书」的「证书序列号」
        $cert['merchantCertificateSerial'] = '1CB071xxxx73B6B546C7D80AB3751D652974D0DD';
        // 从本地文件中加载「微信支付平台证书」，可由内置CLI工具下载到，用来验证微信支付应答的签名
        $cert['platformCertificateFilePath']  = 'file://'.APP.'Application/Library/Payment/Wxpay/fenzhang_cert/certificate.pem';
        $cert['onePlatformPublicKeyInstance'] = Rsa::from($cert['platformCertificateFilePath'], Rsa::KEY_TYPE_PUBLIC);
        // 「微信支付平台证书」的「平台证书序列号」
        // 可以从「微信支付平台证书」文件解析，也可以在 商户平台 -> 账户中心 -> API安全 查询到
        $cert['platformCertificateSerial'] = '34E81xxxxED93477FA02ED40D51D2A7F8AC481E4';
        // 从本地文件中加载「微信支付公钥」，用来验证微信支付应答的签名
        $cert['platformPublicKeyFilePath']    = 'file://'.APP.'Application/Library/Payment/Wxpay/fenzhang_cert/pub_key.pem';
        $cert['twoPlatformPublicKeyInstance'] = Rsa::from($cert['platformPublicKeyFilePath'], Rsa::KEY_TYPE_PUBLIC);
        // 「微信支付公钥」的「微信支付公钥ID」
        // 需要在 商户平台 -> 账户中心 -> API安全 查询
        $cert['platformPublicKeyId'] = 'PUB_KEY_ID_011xxxx841612025062200111535000000';
        //wechatpay证书配置
        $cert['wechatpayFilePath'] = 'file://'.APP.'Application/Library/Payment/Wxpay/fenzhang_cert/wechatpay.pem';
        $cert['wechatpayKeyInstance'] = Rsa::from($cert['wechatpayFilePath'], Rsa::KEY_TYPE_PUBLIC);
        $cert['wechatpayKeyId'] = '34E8192B9ED9xxxxFA02ED40D51D2A7F8AC481E4';
        return $cert;
    }
    /**
     * 添加分账接收方  SpliTheBill::add
     */
    public function add($type,$account,$name="",$relation_type){
        $method = 'POST';
        $Request  = "/v3/profitsharing/receivers/add";
        $random = self::random(); //随机字符串
        $time = self::unixtime(); //unix时间
        $isheader = 0;
        $body = [
            "appid" => C('PAY_YIGUO')['wxpay_app_id'],
            "type"=>$type,//MERCHANT_ID：商户ID   PERSONAL_OPENID：个人openid,
            "account" => $account,
            "relation_type"=>$relation_type
        ];
        if(!empty($name)):
            $isheader = 1;
            $body['name'] = self::getEncrypt($name);
        endif;
        $sign_res = json_decode(self::sign([$method,$Request,$random,$time,$body],$isheader),true);//签名
        $header = self::setheader(['random'=>$random,"time"=>$time,"Signature"=>$sign_res['Signature'],"isheader"=>$isheader]);//设置header
        return [$Request,$body,$header];
    }
    //SpliTheBill::getEncrypt
    //敏感信息加密
    private function getEncrypt($str) {
        $cert = self::__initializtion();
        $public_key_path = $cert['platformPublicKeyFilePath'];
        $public_key = file_get_contents($public_key_path);
        $encrypted = '';
        if (openssl_public_encrypt($str, $encrypted, $public_key, OPENSSL_PKCS1_OAEP_PADDING)) {
            //base64编码
            $sign = base64_encode($encrypted);
        } else {
            throw new Exception('encrypt failed');
        }
        return $sign;
    }
    //SpliTheBill::sign
    /**
     * 签名
     */
    public function sign($params,$isheader){
        $cert = self::__initializtion();
        $params += ['Signature' => Rsa::sign(
            Formatter::joinedByLineFeed(...array_values($params)),
            $cert['merchantPrivateKeyInstance']//$merchantPrivateKeyInstance
        ), 'signType' => 'RSA'];
        return json_encode($params);
    }
    //SpliTheBill::random
    /**
     * 随机字符串，签名需要
     */
    public function random($length=32){
        $characters = 'abcdefghijklmnopqrstuvwxyz0123456789';
        $randomString = '';
        for ($i = 0; $i < $length; $i++) {
            $index = rand(0, strlen($characters) - 1);
            $randomString .= $characters[$index];
        }
        return $randomString;
    }
    //SpliTheBill::unixtime  
    //当前时间 
    public function unixtime(){
        return time();
    }
    /**
     * 向腾讯云发送数据
     */
    public function send($Request,$body,$header){
        $sert = SpliTheBill::__initializtion();
        $instance = Builder::factory([
            'mchid'      => $sert['merchantId'],
            'serial'     => $sert['merchantCertificateSerial'],
            'privateKey' => $sert['merchantPrivateKeyInstance'],
            'certs'      => [
                $sert['platformCertificateSerial'] => $sert['onePlatformPublicKeyInstance'],
                $sert['platformPublicKeyI']       => $sert['twoPlatformPublicKeyInstance'],
            ],
        ]);
        try {
            $resp = $instance
                ->chain($Request)
                ->post([
                    'json' => $body,
                    'headers'=>$header,
                ]);
            //成功返回200
            return ['code'=>$resp->getStatusCode(),"message"=>"成功","data"=>$resp->getBody()];
        } catch (\Exception $e) {
            // 进行错误处理
            $message = $e->getMessage();
            if ($e instanceof \GuzzleHttp\Exception\RequestException && $e->hasResponse()) {
                $r = $e->getResponse();
                return ['code'=>$r->getStatusCode(),"message"=>$message,"data"=>$r->getReasonPhrase()];
            }
        }
    }
    /**
     * 设置header
     */
    public function setheader($param){
        $cert = self::__initializtion();
        switch ($param['isheader']){
            case('1'):
                //添加分帐用户 
                $header = [
                    "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"{$cert['merchantId']}\",nonce_str=\"{$param['random']}\",signature=\"{$param['Signature']}\",timestamp=\"{$param['time']}\",serial_no=\"{$cert['merchantCertificateSerial']}\"",
                    "Content-Type: application/json",
                    "Accept: application/json",
                    "Wechatpay-Serial:".$cert['platformPublicKeyId']."",
                    //"User-Agent"=>"User-Agent:Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1",
                ];


                break;
            default:
                $header = [
                    "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"{$cert['merchantId']}\",nonce_str=\"{$param['random']}\",signature=\"{$param['Signature']}\",timestamp=\"{$param['time']}\",serial_no=\"{$cert['merchantPrivateKeyInstance']}\"",
                    "Wechatpay-Serial:".$cert['merchantPrivateKeyInstance']."",
                    "Content-Type: application/json",
                    "Accept: application/json",
                    //"User-Agent"=>"User-Agent:Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1",
                ];
                break;
        }
        return $header;
    }

每个商户号签发的平台证书是不同的，示例只是个示例