code: public function apply(array $options)
      {
          $options['product_code'] = $this->getProductCode();
          $this->config['biz_content'] = json_encode($options);
          $this->config['method'] = $this->getMethod();
          $this->config['sign'] = $this->getSign();
      }
docs: 应用参数
  @param array $options
  @return mixed|void