人工客服一上来就是排队好几十号排队也就算了，10 次得有 8 次一整天都排不到，然后跟我来一句很抱歉即使排到了也是好几个小时以后的事情（昨天 10 点多提问，下午 4 点多反馈）客服介入 5 分钟不回复就会关闭会话，怎么着，我上班时间还得每隔 5 分钟看一次客服有没有回复我是么？你们真的好高贵啊～

调用的接口：https://api.mch.weixin.qq.com/v3/refund/domestic/refunds； 退款代码（PHP）： static public function tuikuan($money_fen,$total,$out_trade_no,$reason="协商退款"){         $url = 'https://api.mch.weixin.qq.com/v3/refund/domestic/refunds';         $data = [             "out_trade_no"=>$out_trade_no,//商户订单号             "out_refund_no"=>$out_trade_no,//商户退款单号             "reason"=>$reason,//             "notify_url"=>"https://api.huodongbaobao.com/pay/weixinpay_tuikuan_notify",//退款结果回调url             "amount"=>[                 "refund"=>$money_fen,//退款金额，单位为分。示例值：100                 "total"=>$total,//原支付交易的订单总金额，单位为分。示例值：100                 "currency"=>"CNY"             ],         ];         $header = [             "Accept: application/json",             "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36",             self::getSign($url,json_encode($data)),         ];         $res = curl($url,$data,true,$header);         if(!isset($res['body'])){             return ["status"=>"error","msg"=>"微信申请退款请求失败"];         }         $data = json_decode($res['body'],true);         if(             isset($data['refund_id']) &&             isset($data['status']) &&             !empty($data['refund_id']) &&             !empty($data['status'])         ){             $res_status = $data['status'];//$data['status']枚举值：SUCCESS：退款成功 CLOSED：退款关闭 PROCESSING：退款处理中 ABNORMAL：退款异常             if($res_status == "SUCCESS"){                 return ["status"=>"ok","data"=>"success"];             }else if($res_status == "PROCESSING"){                 return ["status"=>"ok","data"=>"processing"];             }else{                 return ["status"=>"error","msg"=>"退款异常"];             }         }         $msg = isset($data['code']) ? $data['code'] : "";         $msg .= isset($data['message']) ? "【".$data['message']."】" : "";         return ["status"=>"error","msg"=>$msg];     } 生成签名的代码：     static private function getSign($url,$body,$http_method = "POST",$timestamp = 0,$nonce = ""){         $url_parts = parse_url($url);         $canonical_url = ($url_parts['path'] . (!empty($url_parts['query']) ? "?{$url_parts['query']}" : ""));         if(empty($timestamp)){             $timestamp = time();         }         if(empty($nonce)){             $nonce = makeCode(32,true);         }         $message = $http_method."\n".$canonical_url."\n".$timestamp."\n".$nonce."\n".$body."\n";         openssl_sign($message, $raw_sign, file_get_contents(config("app.weixin_mchid_api_cert_pem")), 'sha256WithRSAEncryption');         $sign = base64_encode($raw_sign);         $schema = 'WECHATPAY2-SHA256-RSA2048';         $token = sprintf('mchid="%s",serial_no="%s",nonce_str="%s",timestamp="%d",signature="%s"',config("app.weixin_mchid"),config("app.weixin_mchid_api_cert_serial"),  $nonce, $timestamp, $sign);         return "Authorization: " . $schema . " " . $token;     } 入参： (     [out_trade_no] => 20250**********82541     [out_refund_no] => 2025030**********541     [reason] => 协商退款     [notify_url] => https:/xx.yy.com/pay/weixinpay_tuikuan_notify     [amount] => Array         (             [refund] => 1             [total] => 1             [currency] => CNY         ) ) 打印出的参数： 生成签名用的数据： POST /v3/refund/domestic/refunds 1742463956 evhvqt02e7b125wsuienffzt4bgzv7mt {"out_trade_no":"20250309151620582541","out_refund_no":"20250309151620582541","reason":"\u534f\u5546\u9000\u6b3e","notify_url":"https:\/\/api.huodongbaobao.com\/pay\/weixinpay_tuikuan_notify","amount":{"refund":1,"total":1,"currency":"CNY"}} 生成的header Authorization： Kimj2a4kl/A8zG/xtGG5RneTVRrHVBvkDaccFhK1NzXwP1GReutazJtdKXpOOXl6rtwx/ke4DzV8zmt8XHUunX/3wIPZ3DZrlV/F+xM9lX3um1VudL6yxLovB4djfcloO0QlzN8XzRhf1k9f25hvDiBgAMzZ9omNp06Xigpnjy2lgaTS/CpihjG2j+qKtHg0t/cIvVdfkYW59cX/t+XBRNBGozFpTm6OnxqnbCj/r90da1GQ20AZQMjYl3X4gWBIOqyBrCt5yJk2atFq/6fRA2Zc3cFzwSlTJjx11phIyGsrgG5X+JVosTW1eWGceDNGhoFy6vJmU6C8HSNWSW9kzQ==authorization-admin: Authorization: WECHATPAY2-SHA256-RSA2048 mchid="165****008",serial_no="4498A82FCC548B7B4932AA4939807C395109770B",nonce_str="evhvqt02e7b125wsuienffzt4bgzv7mt",timestamp="1742463956",signature="Kimj2a4kl/A8zG/xtGG5RneTVRrHVBvkDaccFhK1NzXwP1GReutazJtdKXpOOXl6rtwx/ke4DzV8zmt8XHUunX/3wIPZ3DZrlV/F+xM9lX3um1VudL6yxLovB4djfcloO0QlzN8XzRhf1k9f25hvDiBgAMzZ9omNp06Xigpnjy2lgaTS/CpihjG2j+qKtHg0t/cIvVdfkYW59cX/t+XBRNBGozFpTm6OnxqnbCj/r90da1GQ20AZQMjYl3X4gWBIOqyBrCt5yJk2atFq/6fRA2Zc3cFzwSlTJjx11phIyGsrgG5X+JVosTW1eWGceDNGhoFy6vJmU6C8HSNWSW9kzQ==" ~                                                                                                                            最终的问题： 调用微信退款接口后，微信返回内容打印如下： Array (     [request_header] => POST /v3/refund/domestic/refunds HTTP/1.1 Host: api.mch.weixin.qq.com Accept: application/json User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36 Authorization: WECHATPAY2-SHA256-RSA2048 mchid="16****008",serial_no="4498A82FCC548B7B4932AA4939807C395109770B",nonce_str="evhvqt02e7b125wsuienffzt4bgzv7mt",timestamp="1742463956",signature="Kimj2a4kl/A8zG/xtGG5RneTVRrHVBvkDaccFhK1NzXwP1GReutazJtdKXpOOXl6rtwx/ke4DzV8zmt8XHUunX/3wIPZ3DZrlV/F+xM9lX3um1VudL6yxLovB4djfcloO0QlzN8XzRhf1k9f25hvDiBgAMzZ9omNp06Xigpnjy2lgaTS/CpihjG2j+qKtHg0t/cIvVdfkYW59cX/t+XBRNBGozFpTm6OnxqnbCj/r90da1GQ20AZQMjYl3X4gWBIOqyBrCt5yJk2atFq/6fRA2Zc3cFzwSlTJjx11phIyGsrgG5X+JVosTW1eWGceDNGhoFy6vJmU6C8HSNWSW9kzQ==" Content-Type: application/json; charset=utf-8 Content-Length:229     [request_body] => {"out_trade_no":"20250309151620582541","out_refund_no":"20250309151620582541","reason":"协商退款","notify_url":"https:\/\/api.huodongbaobao.com\/pay\/weixinpay_tuikuan_notify","amount":{"refund":1,"total":1,"currency":"CNY"}}     [header] => HTTP/1.1 401 Unauthorized Server: nginx Date: Thu, 20 Mar 2025 09:45:57 GMT Content-Type: application/json; charset=utf-8 Content-Length: 377 Connection: keep-alive Keep-Alive: timeout=8 Cache-Control: no-cache, must-revalidate X-Content-Type-Options: nosniff Request-ID: 08D5C7EFBE061053189DDFEEA30620A8B50128DA38-269546525 Content-Language: zh-CN     [body] => {"code":"SIGN_ERROR","detail":{"detail":{"issue":"sign not match"},"field":"signature","location":"authorization","sign_information":{"method":"POST","sign_message_length":307,"truncated_sign_message":"POST\n/v3/refund/domestic/refunds\n1742463956\nevhvqt02e7b125wsuienffzt4bgzv7mt\n{\"out_tr\n","url":"/v3/refund/domestic/refunds"}},"message":"错误的签名，验签失败"} ) 最下面的[body]中返回了报错信息：{"code":"SIGN_ERROR","detail":{"detail":{"issue":"sign not match"},"field":"signature","location":"authorization","sign_information":{"method":"POST","sign_message_length":307,"truncated_sign_message":"POST\n/v3/refund/domestic/refunds\n1742463956\nevhvqt02e7b125wsuienffzt4bgzv7mt\n{\"out_tr\n","url":"/v3/refund/domestic/refunds"}},"message":"错误的签名，验签失败"} 我小程序上有一个退款功能，电脑端管理后台也有一个退款功能，小程序端退款功能的代码和电脑端退款功能的代码是处于两个地方，但代码内容是一模一样的（复制的），二者使用的是同一套证书、密钥，小程序上的支付、退款功能都好用，但电脑端的退款功能就不好用，请求退款接口时提示上面的报错内容，调试了很久，确实没找到问题原因，请大家帮忙看看。

配置了普通链接二维码打开小程序 用开发者工具，通过二维码编译，提示以下错误 message：解析二维码失败：非小程序码 appid: wxa9278e2f99c0ba62 openid: o6zAJs5gASQV_0N37TKa19t1aIz4 ideVersion: 1.05.2108130 osType: darwin-x64 time: 2022-02-21 19:54:14 [图片]

[图片][图片]