) if sellSignal sell警报信息 = get警报信息(action = 'EXIT_LONG', instrument = syminfo.ticker, signalToken = signalToken, orderType = exitOrderType, orderPriceOffset = exitOrderPriceOffset, investmentType = exitInvestmentType, amount = exitAmount) alert(sell警报信息, freq = alert.freq_once_per_bar) get警报信息函数是为了生成一个定制的JSON负载，来按照欧易消息规格的格式发送警报。