/下面保本止损止盈代码编写错误。想实现：开仓后如果有浮盈20跳，就设开仓+1跳保本。止损30跳。 价格到上轨止盈。请老师指点。

Params Numeric bollingerLengths(60); Numeric Offset(3); Numeric Lots(1); Numeric TickSize(1);Vars Series<Numeric> MidLine(0); Numeric Band(0); Series<Numeric> upBand(0); Series<Numeric> DownBand(0); Numeric entryPrice(0); Numeric stopLossPrice(0); Numeric stopLossPrice1(0);Events OnBar(ArrayRef<Integer> indexs) { MidLine = AverageFC(Close,bollingerLengths); Band = StandardDev(Close,bollingerLengths,2); upBand = MidLine + Offset*Band; DownBand = MidLine - Offset*Band; PlotNumeric(\"MidLine\",MidLine); PlotNumeric(\"upBand\",upBand); PlotNumeric(\"DownBand\",DownBand); If(MarketPosition != 1 And Low <=DownBand[1]) { entryPrice = Min(Low, DownBand[1]); Buy(Lots, entryPrice); //开仓 } If(MarketPosition == 1 And BarsSinceEntry >= 1 And (High - entryPrice) >= 20 * TickSize); { stopLossPrice = entryPrice + 1 * TickSize; If(Low <= stopLossPrice) { Sell(1, stopLossPrice);//保本 } stopLossPrice1 = entryPrice - 30 * TickSize; If(Low <= stopLossPrice1) Sell(1, stopLossPrice1);//止损 Else { Sell(1,Max(High,UpBand[1]));//止盈 } } }///上面保本止损止盈代码编写错误。想实现：开仓后如果有浮盈20跳，就设开仓+1跳保本。止损30跳。 价格到上轨止盈。请老师指点。