DMI指标导入进去K线图变成一条线了，应该怎么解决

这是DMI指标代码，帮我看看是什么问题//------------------------------------------------------------------------// 简称: DMI// 名称: 方向移动指标// 类别: 公式应用// 类型: 内建应用// 来源：ai.kanpan789.com//------------------------------------------------------------------------Params Numeric Length(14); // DMI计算周期Vars Series<Numeric> PlusDM; // +DM值 Series<Numeric> MinusDM; // -DM值 Series<Numeric> TR; // True Range Series<Numeric> SmoothedPlusDM; // 平滑后的+DM Series<Numeric> SmoothedMinusDM; // 平滑后的-DM Series<Numeric> SmoothedTR; // 平滑后的True Range Series<Numeric> PlusDI; // +DI值 Series<Numeric> MinusDI; // -DI值 Series<Numeric> DX; // DX值 Series<Numeric> ADX; // ADX值Events OnReady() { SetBackBarMaxCount(Length); } OnBar(ArrayRef<Integer> indexs) { // 计算True Range (TR) TR = Max(Max(High - Low, Abs(High - Close[1])), Abs(Low - Close[1])); // 计算+DM和-DM PlusDM = IIF((High - High[1]) > (Low[1] - Low), Max(High - High[1], 0), 0); MinusDM = IIF((Low[1] - Low) > (High - High[1]), Max(Low[1] - Low, 0), 0); // 平滑+DM、-DM和TR If(CurrentBar == 0) { SmoothedPlusDM = PlusDM; SmoothedMinusDM = MinusDM; SmoothedTR = TR; } Else { SmoothedPlusDM = (SmoothedPlusDM[1] * (Length - 1) + PlusDM) / Length; SmoothedMinusDM = (SmoothedMinusDM[1] * (Length - 1) + MinusDM) / Length; SmoothedTR = (SmoothedTR[1] * (Length - 1) + TR) / Length; } // 计算+DI和-DI PlusDI = 100 * SmoothedPlusDM / SmoothedTR; MinusDI = 100 * SmoothedMinusDM / SmoothedTR; // 计算DX DX = 100 * Abs(PlusDI - MinusDI) / (PlusDI + MinusDI); // 计算ADX If(CurrentBar < Length) { ADX = InvalidNumeric; } Else If(CurrentBar == Length) { ADX = AverageFC(DX, Length); } Else { ADX = (ADX[1] * (Length - 1) + DX) / Length; } // 绘制指标 PlotNumeric("+DI", PlusDI); PlotNumeric("-DI", MinusDI); PlotNumeric("ADX", ADX); }//------------------------------------------------------------------------// 编译版本 GS2014.10.25// 来源：ai.kanpan789.com// 更改声明 TradeBlazer Software保留对TradeBlazer平台每一版本的TradeBlazer公式修改和重写的权利//------------------------------------------------------------------------