关于突破昨天日线高低点，开仓写法是否正确

Params
  Numeric  RangEndTime(95000);
  Numeric  TradeEndTime(145000);
  Numeric  ATRS(12);
  Numeric  ATRZS(1.5);
  Numeric  ATRLength(12);
  Numeric  lost(1);

Vars
Series<Numeric>   upperBand;
Series<Numeric>   LowerBand;
Series<Numeric>  ATRVal;
Numeric  myExitprice1;
Numeric  myExitprice2;
Series<Numeric>  Falg;

Events
    OnBar(ArrayRef<Integer> indexs)
    {
  ATRVal=AvgTrueRange(ATRLength);

IF(CurrentBar==0 or Date<>Date[1])
{
  upperBand=High;
LowerBand=Low;
}
Else IF(Time<=RangEndTime*0.000001)
{
upperBand=Max(High,upperBand);
LowerBand=Min(Low,LowerBand);
}
Else IF(Time>= TradeEndTime*0.000001)
{
   Sell(0,Open);
   BuyToCover(0,Open);
}
Else IF(TrueDate(0)!=TrueDate(1))
{
   Falg=0;
}
IF(Falg==0)
{
 IF(marketposition==0 && Close> upperBand && Close>HighD(1))
{
   Buy(lost,Max(Open,upperBand));
Falg= Falg+1;
Commentary("多头开仓");

}
}
IF(Falg==0)
{
IF(marketposition==0 && Close<LowerBand && Close<LowD(1) )
{
  SellShort(lost,Min(Open,LowerBand));
Falg= Falg+1;
Commentary("空头开仓");
}

Params
  Numeric  RangEndTime(95000);
  Numeric  TradeEndTime(145000);
  Numeric  ATRS(12);
  Numeric  ATRZS(1.5);
  Numeric  ATRLength(12);
  Numeric  lost(1);

Vars
Series<Numeric>   upperBand;
Series<Numeric>   LowerBand;
Series<Numeric>  ATRVal;
Numeric  myExitprice1;
Numeric  myExitprice2;
Series<Numeric>  Falg;

Events
    OnBar(ArrayRef<Integer> indexs)
    {
  ATRVal=AvgTrueRange(ATRLength);

IF(CurrentBar==0 or Date<>Date[1])
{
  upperBand=High;
LowerBand=Low;
}
Else IF(Time<=RangEndTime*0.000001)
{
upperBand=Max(High,upperBand);
LowerBand=Min(Low,LowerBand);
}
Else IF(Time>= TradeEndTime*0.000001)
{
   Sell(0,Open);
   BuyToCover(0,Open);
}
Else IF(TrueDate(0)!=TrueDate(1))
{
   Falg=0;
}
IF(Falg==0)
{
 IF(marketposition==0 && Close> upperBand && Close>HighD(1))
{
   Buy(lost,Max(Open,upperBand));
Falg= Falg+1;
Commentary("多头开仓");

}
}
IF(Falg==0)
{
IF(marketposition==0 && Close<LowerBand && Close<LowD(1) )
{
  SellShort(lost,Min(Open,LowerBand));
Falg= Falg+1;
Commentary("空头开仓");
}

用&& Close<LowD(1)      Close>HighD(1) 这种写法是否正确，为什么我不能显示信号