xt_trader.cancel_order_stock_async()报'NoneType' object has no attribute 'on_can

An AttributeError occurred while sending async cancel request for 2014314515 for 159612.SZ: 'NoneType' object has no attribute 'on_cancel_order_stock_async_response'


            for order in open_orders:
                try:
                    # 调用异步撤单函数并检查返回值
                    seq = self.xt_trader.cancel_order_stock_async(self.acc, order['order_id'])
                    if seq > 0:  # 大于0表示撤单请求成功
                        logger.info(
                            f"Successfully sent async cancel request for order {order['order_id']} for symbol {symbol}")
                    else:
                        logger.error(
                            f"Failed to send async cancel request for order {order['order_id']} for symbol {symbol}, seq={seq}")
                        continue  # 如果撤单请求失败，跳过该订单

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