code: protected function createBackData(array $data)
      {
          if ($this->config->returnRaw) {
              $data['channel'] = Config::ALI_TRANSFER;
              return $data;
          }
  
          if ($data['code'] !== '10000') {
              return $retData = [
                  'is_success'    => 'F',
                  'error' => $data['sub_msg'],
                  'channel' => Config::ALI_TRANSFER,
              ];
          }
  
          $retData = [
              'is_success'    => 'T',
              'response'  => [
                  'trans_no'  => $data['out_biz_no'],// 商户转账唯一订单号
                  'transaction_id'   => $data['order_id'],// 支付宝转账单据号
                  'pay_date'   => $data['pay_date'],// 支付时间
                  'channel'   => Config::ALI_TRANSFER,
              ],
          ];
  
          return $retData;
      }
docs: 处理返回的数据
  @param array $data
  @return array
  @author helei