code: def _server_response_handler(self, response: Dict[str, Any]):
          
          code = response.get("CODE")
          if code == 100:
              if self.debug:
                  print("auth succeed")
              self._login_fut.set_result(response)
          if code == 101:
              if self.debug:
                  print('pong')
          return True
docs: 处理100~199段状态码,针对不同的服务响应进行操作.
  
          Parameters:
              (response): - 响应的python字典形式数据
  
          Return:
              (bool): - 准确地说没有错误就会返回True