失败订单(未成功创建入broker)

        Arguments:
            reason {str} -- 失败原因

def failed(self, reason=None):
        """失败订单(未成功创建入broker)

        Arguments:
            reason {str} -- 失败原因
        """
        # 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)