编译过程出现无法识别字符串，麻烦老师解决一下，纯小白，感谢！

Params Numeric Threshold(14);//均线建仓阀值,14跳 Numeric NewMAlength(30);//均线周期 Numeric BeginTime(945);//开始交易时间 Numeric EndTime(1435);//停止交易时间 Numeric TrailingStopRate(1); //跟踪止损比例. Vars Numeric MinPoint;//一个最小变动单位,也就是一跳 NumericSeries MiddleLine;//中线 NumericSeries NewMA;//新移动平均线 NumericSeries MA_Middle;//计算均线和中轨的距离 NumericSeries MyPrice;//开仓价格 NumericSeries Count; NumericSeries HigherAfterEntry;//开仓后出现的最高价 NumericSeries LowerAfterEntry;//开仓后出现的最低价 Begin If(Date != Date[1]) { Count = 0; }Else { Count = Count[1]; } //一个最小变动单位,也就是一跳 MinPoint = MinMove*PriceScale; //计算中均线 NewMA=Average((High + Low + Close)/3,NewMAlength); //PlotNumeric("新移动平均线",NewMA); //计算中线 If(CurrentBar==0) { MiddleLine=(High + Low + Close)/3; } If(Day<>Day[1] And CurrentBar>0) { MiddleLine=(High + Low + Close)/3; } Else { MiddleLine=MiddleLine[1]; } MA_Middle=MiddleLine-NewMA; Commentary("中线和中轨的差值="+Text(MA_Middle)); //------------------------------------------------------------------------------------------------ //入场 //------------------------------------------------------------------------------------------------ //多头首次入场 if(Count == 0 && MarketPosition==0 && Time>=BeginTime/10000 And Time<=EndTime/10000 And low[1]>=MiddleLine[1] And NewMA[1]-NewMA[3]>Threshold*MinPoint/ContractUnit ) { MyPrice=open; Buy(0,MyPrice); Count = Count + 1; Commentary("开多头头寸"); } //空头首次入场 if(Count == 0 && MarketPosition==0 && Time>=BeginTime/10000 And Time<=EndTime/10000 And High[1]<=MiddleLine[1] And NewMA[3]-NewMA[1]>Threshold*MinPoint/ContractUnit) { MyPrice=Open; SellShort(0,MyPrice); Count = Count + 1; Commentary("均线向下，开空头头寸"); } //------------------------------------------------------------------------------------------------ //记录入场后的最高价和最低价 //------------------------------------------------------------------------------------------------ If(MarketPosition == 1 && BarsSinceentry == 0) { HigherAfterEntry = Max(MyPrice, Close); LowerAfterEntry = LowerAfterEntry[1]; }else If(MarketPosition == -1 && BarsSinceentry == 0) { LowerAfterEntry = Min(MyPrice, Close); HigherAfterEntry = HigherAfterEntry[1]; } else if((MarketPosition != 0 && BarsSinceentry >= 1)) { HigherAfterEntry = Max(HigherAfterEntry[1], Close[1]); LowerAfterEntry = Min(LowerAfterEntry[1], Close[1]); } Commentary("Higherafterentry"+text(Higherafterentry)); Commentary("Lowerafterentry"+text(Lowerafterentry)); //------------------------------------------------------------------------------------------------ //跟踪止损 //------------------------------------------------------------------------------------------------ Myprice = HigherAfterEntry - Open*TrailingStopRate/100 ; If(MarketPosition==1 And Low < Myprice && BarsSinceentry > 0)//多头跟踪止损 { MyPrice = Min(Open, Myprice); Sell(0, MyPrice); /*Count = Count + 1;*/ Commentary("多头跟踪止损"); } Myprice = LowerAfterEntry + Open*TrailingStopRate/100; If(MarketPosition==-1 And High > Myprice && BarsSinceentry > 0)//空头跟踪止损 { MyPrice = Max(Open, myprice); BuyToCover(0, MyPrice); /*Count = Count + 1;*/ Commentary("空头跟踪止损"); } //PlotNumeric("低价",LowerAfterEntry); //PlotNumeric("平仓价格",Myprice); End