code: def failed(self, reason=None):
          
          # 订单创建失败(如废单/场外废单/价格高于涨停价/价格低于跌停价/通讯失败)
          self._status = ORDER_STATUS.FAILED
          self.reason = str(reason)
docs: 失败订单(未成功创建入broker)
  
          Arguments:
              reason {str} -- 失败原因