信号闪烁一直找不到原因，有那个大神帮看看吗

//------------------------------------------------------------------------// 简称: EMA4_15-20-25-30_TB_Final_V3// 名称: 纯EMA4 15-20-25-30 前K确认 跌破所有EMA平仓// 类别: 交易策略// 类型: 用户策略// 版本: 3.0//------------------------------------------------------------------------Params Numeric Lots(1); Numeric EMA15_Period(15); Numeric EMA20_Period(20); Numeric EMA25_Period(25); Numeric EMA30_Period(30);;Vars Series<Numeric> ema15; Series<Numeric> ema20; Series<Numeric> ema25; Series<Numeric> ema30; Series<Bool> isLongTrend; Series<Bool> isShortTrend; Bool closeAboveAllEMA; Bool closeBelowAllEMA; Bool buySignal; Bool sellShortSignal; Bool exitLongSignal; Bool exitShortSignal; Bool plotBuy; Bool plotSell; Bool plotExitLong; Bool plotExitShort;;Events OnBar(ArrayRef<Integer> indexs) { Range[0:DataSourceSize() - 1] { buySignal = False; sellShortSignal = False; exitLongSignal = False; exitShortSignal = False; plotBuy = False; plotSell = False; plotExitLong = False; plotExitShort = False; // 计算4根EMA ema15 = XAverage(Close, EMA15_Period); ema20 = XAverage(Close, EMA20_Period); ema25 = XAverage(Close, EMA25_Period); ema30 = XAverage(Close, EMA30_Period); If(CurrentBar < EMA30_Period) { Return; } // 多头排列：15>20>25>30 isLongTrend = (ema15 > ema20) And (ema20 > ema25) And (ema25 > ema30); // 空头排列：15<20<25<30 isShortTrend = (ema15 < ema20) And (ema20 < ema25) And (ema25 < ema30); // 收盘价 突破/跌破 全部4根EMA closeAboveAllEMA = (Close > ema15) And (Close > ema20) And (Close > ema25) And (Close > ema30); closeBelowAllEMA = (Close < ema15) And (Close < ema20) And (Close < ema25) And (Close < ema30); // ================= 开仓 ================= If(MarketPosition == 0) { buySignal = isLongTrend[1]; sellShortSignal = isShortTrend[1]; plotBuy = buySignal; plotSell = sellShortSignal; } // ================= 平仓 ================= If(MarketPosition == 1) { // 多单：跌破所有4根EMA → 下根K开盘平 exitLongSignal = closeBelowAllEMA; plotExitLong = exitLongSignal; } If(MarketPosition == -1) { // 空单：突破所有4根EMA → 下根K开盘平 exitShortSignal = closeAboveAllEMA; plotExitShort = exitShortSignal; } // ================= 下单执行 ================= If(MarketPosition == 1 && exitLongSignal) { Sell(Lots, Open); } If(MarketPosition == -1 && exitShortSignal) { BuyToCover(Lots, Open); } If(MarketPosition == 0 && buySignal) { Buy(Lots, Open); } If(MarketPosition == 0 && sellShortSignal) { SellShort(Lots, Open); } // ================= 绘图 ================= PlotNumeric("EMA15", ema15, RGB(255,0,0), Enum_Line); PlotNumeric("EMA20", ema20, RGB(0,255,0), Enum_Line); PlotNumeric("EMA25", ema25, RGB(0,0,255), Enum_Line); PlotNumeric("EMA30", ema30, RGB(255,255,0), Enum_Line); If(plotBuy) { PlotString("Buy", "B", Low - MinMove*PriceScale, RGB(255,0,0)); } If(plotSell) { PlotString("Short", "S", High + MinMove*PriceScale, RGB(0,0,255)); } If(plotExitLong) { PlotString("ExitLong", "LP", Low - MinMove*PriceScale*2, RGB(255,100,100)); } If(plotExitShort) { PlotString("ExitShort", "SP", High + MinMove*PriceScale*2, RGB(100,100,255)); } } }此策略也是出现信号闪烁，之前使用了一段时间都没有问题，先说说情况，确认前几天都没有出现这种情况，并且使用了一段时间，都没什么问题，信号闪烁，胡乱开仓，此条策略是其中一条。不符合开仓的位置甚至开倒仓，本应该开空单并没有开，下行一段，跌破均线七八根k线才平多单，反正各种乱。帮排查一下什么问题和原因，上面第一条发给你的也是出现一样问题。