帮忙改一下代码，老是报错.......

Params //====== 均线参数 ====== Numeric FastLength(5); // 快线周期 Numeric SlowLength(20); // 慢线周期 //====== RSI参数 ====== Numeric RSI_Length(14); // RSI周期 Numeric OverSold(30); // 超卖阈值 Numeric OverBought(70); // 超买阈值 //====== ATR参数 ====== Numeric ATR_Period(14); // ATR周期 Numeric StopLossATR(1.5); // 止损ATR倍数 Numeric TakeProfitRatio(2.5); // 止盈盈亏比 Numeric MaxRiskPerTrade(1); // 单笔最大风险(%)Vars //====== 指标变量 ====== Series<Numeric> MA_Fast; // 快线 Series<Numeric> MA_Slow; // 慢线 Series<Numeric> RSIValue; // RSI值 Series<Numeric> ATRValue; // ATR值 //====== 交易信号 ====== Bool BuySignal(false); // 买入信号 Bool SellSignal(false); // 卖出信号 //====== 风险管理 ====== Numeric BuyPrice(0); // 买入价格 Numeric SellPrice(0); // 卖出价格 Numeric StopLossPrice(0); // 止损价格 Numeric TakeProfitPrice(0); // 止盈价格 Numeric PositionSize(0); // 交易手数 Numeric RiskAmount(0); // 风险金额 //====== 状态变量 ====== Bool IsLongPosition(false); // 是否持有多头 Bool IsShortPosition(false); // 是否持有空头 //====== RSI计算辅助变量 ====== Series<Numeric> NetChgAvg; // RSI净变化均值 Series<Numeric> TotChgAvg; // RSI总变化均值 Numeric SF; // 平滑因子Events OnReady() { // 设置最大回溯K线数量，确保指标计算有足够数据 SetBackBarMaxCount(1 + Max(Max(FastLength, SlowLength), Max(RSI_Length, ATR_Period))); } OnBar(ArrayRef<Integer> indexs) { //====== 指标计算 ====== // 双均线计算，使用平台提供的移动平均函数 MA_Fast = AverageFC(Close, FastLength); MA_Slow = AverageFC(Close, SlowLength); // RSI计算 SF = 1 / RSI_Length; if (CurrentBar == 0) { // 初始化阶段 NetChgAvg = 0; TotChgAvg = 0; RSIValue = 50; } else { Numeric Change = Close - Close[1]; if (CurrentBar < RSI_Length) { // 初始阶段使用简单平均 NetChgAvg = Average(Change, CurrentBar); TotChgAvg = Average(Abs(Change), CurrentBar); } else { // 使用平滑公式计算 NetChgAvg = NetChgAvg + SF * (Change - NetChgAvg); TotChgAvg = TotChgAvg + SF * (Abs(Change) - TotChgAvg); } // 计算RSI值 if (TotChgAvg!= 0) { RSIValue = 50 * (NetChgAvg / TotChgAvg + 1); } else { RSIValue = 50; } } // ATR计算，获取平均真实波动范围 ATRValue = AvgTrueRange(ATR_Period); //====== 绘图，方便观察指标走势 ====== PlotNumeric("MA_Fast", MA_Fast); PlotNumeric("MA_Slow", MA_Slow); PlotNumeric("RSI", RSIValue); PlotNumeric("ATR", ATRValue); PlotNumeric("超买", OverBought); PlotNumeric("超卖", OverSold); //====== 仓位状态更新 ====== IsLongPosition = (MarketPosition == 1); IsShortPosition = (MarketPosition == -1); //====== 交易信号生成 ====== // 多头信号：快线上穿慢线 + RSI超卖 + 未持有多头仓位 BuySignal = CrossOver(MA_Fast, MA_Slow) && RSIValue < OverSold &&!IsLongPosition; // 空头信号：快线下穿慢线 + RSI超买 + 未持有空头仓位 SellSignal = CrossUnder(MA_Fast, MA_Slow) && RSIValue > OverBought &&!IsShortPosition; //====== 开仓逻辑 ====== // 多头开仓 if (BuySignal) { BuyPrice = Open; StopLossPrice = BuyPrice - StopLossATR * ATRValue; TakeProfitPrice = BuyPrice + TakeProfitRatio * StopLossATR * ATRValue; // 仓位计算，根据风险计算交易手数 RiskAmount = MaxRiskPerTrade * 0.01 * CurrentCapital; PositionSize = IntPortion(RiskAmount / (StopLossATR * ATRValue * BigPointValue)); PositionSize = Max(PositionSize, 1); Buy(PositionSize, BuyPrice); } // 空头开仓 if (SellSignal) { SellPrice = Open; StopLossPrice = SellPrice + StopLossATR * ATRValue; TakeProfitPrice = SellPrice - TakeProfitRatio * StopLossATR * ATRValue; // 仓位计算 RiskAmount = MaxRiskPerTrade * 0.01 * CurrentCapital; PositionSize = IntPortion(RiskAmount / (StopLossATR * ATRValue * BigPointValue)); PositionSize = Max(PositionSize, 1); SellShort(PositionSize, SellPrice); } //====== 止盈止损检查 ====== // 多头止盈 if (IsLongPosition && High >= TakeProfitPrice) { Sell(0, Min(Open, TakeProfitPrice)); } // 空头止盈 if (IsShortPosition && Low <= TakeProfitPrice) { BuyToCover(0, Max(Open, TakeProfitPrice)); } // 多头止损 if (IsLongPosition && Low <= StopLossPrice) { Sell(0, Max(Open, StopLossPrice)); } // 空头止损 if (IsShortPosition && High >= StopLossPrice) { BuyToCover(0, Min(Open, StopLossPrice)); } //====== 移动止损更新 ====== if (IsLongPosition) { // 根据最高价和ATR调整多头止损价 Numeric TrailPrice = Highest(High, 5) - 0.5 * ATRValue; if (TrailPrice > StopLossPrice) { StopLossPrice = TrailPrice; } } else if (IsShortPosition) { // 根据最低价和ATR调整空头止损价 Numeric TrailPrice = Lowest(Low, 5) + 0.5 * ATRValue; if (TrailPrice < StopLossPrice) { StopLossPrice = TrailPrice; } }