用PositionProfit[1]来设置固定止损为什么会出现信号闪烁

代码如下If((time>=0.0930 and MarketPosition <> 0) and MACDDiff<0 and BarsSinceEntry>=16 and Portfolio_PositionProfit[1]<-70000) { Data0.Sell(0,Data0.Open); Data2.BuyToCover(0,Data2.Open); SetGlobalVar(0,0); return; }