商家转账功能-商户单号查询转账单接口使用官方WeChatPay SDK提示签名不对？
$app = $this->builderApp->v3->fundApp->mchTransfer->transferBills->outBillNo->_out_bill_no_
->get([
'out_bill_no' => (string)$outBillNo,
]);
Client error: `GET https://api.mch.weixin.qq.com/v3/fund-app/mch-transfer/transfer-bills/out-bill-no/73088893031713` resulted in a `401 Unauthorized` response:↵{"code":"SIGN_ERROR","message":"Authorization不合法"
Authorization不合法，你这是用的哪个SDK？
$this->builderApp = Builder::factory(['mchid' => $this->merchantId,'serial' => $this->mchCertificateSerial,'privateKey' => $merchantPrivateKeyInstance,'certs' => [$platformCertificateSerial => $platformPublicKeyInstance,],]);$this->builderApp->v3->fundApp->mchTransfer->transferBills->outBillNo->_out_bill_no_->getAsync(['out_bill_no' => "73088893031713",])->then(static function(\Psr\Http\Message\ResponseInterface $response) {print_r(json_decode((string) $response->getBody(), true));})->wait();Client error: `GET https://api.mch.weixin.qq.com/v3/fund-app/mch-transfer/transfer-bills/out-bill-no/73088893031713` resulted in a `401 Unauthorized` response:↵{"code":"SIGN_ERROR","message":"Authorization不合法"}还是签名不合法。。