信号闪烁什么原因，帮我看一下

Params
 Numeric lots(1);

Numeric t1(2);
Numeric atrmul(1.25);
Numeric minusx(5);
Numeric t2(16);
Numeric cishu(2);
Numeric malength(200);
Numeric x(1);
Numeric EXITPOINT(200);
Numeric t3(15);
Numeric StopLoss(18); // 止损3%    
NUMERIC CHADIFF(20);
Vars
 Series<Numeric> HighAfterEntry;
    Series<Numeric> LowAfterEntry ;
Series<Numeric> tem_h;
Series<Numeric> tem_l;
Series<Numeric> my_h;
Series<Numeric> my_l;
Series<Numeric> my_h15;
Series<Numeric> my_l15;
Global Numeric s1(0);
Series<Numeric> atr;
Series<Numeric> my_exitprice;
Series<Numeric> ma;
Numeric CHA;
    Numeric Minpoint;
Events

OnBar(ArrayRef<Integer> indexs)
{
Numeric mindiff; MinPoint = MinMove*PriceScale;
mindiff = MinMove*PriceScale;

atr = AvgTrueRange(T1);
tem_h = highest(h[1],t1);
tem_l = lowest(l[1],t1);
my_h15 = highest(h[1],t2);
my_l15 = lowest(l[1],t2);
CHA=my_h15-MY_L15;
ma=Average(c,malength);
//PlotNumeric("my_h15", my_h15);
//PlotNumeric("my_l15", my_l15);
Commentary("BarsSinceToday="+text(BarsSinceToday));
if(BarsSinceToday == t1)
{
my_h = tem_h;
my_l = tem_l;
ATR=ATR[1];
s1 = cishu;
}
if(BarsSinceToday > t1)///开仓
{
if(h > my_h15 and MarketPosition == 0 and s1 >0 AND CHA<CHADIFF and c[x]>ma[1] and h[1]<>l[1] )
{
buy(lots,max(o,my_h15));
s1 = s1 - 1;
my_exitprice = l[1] - atrmul*atr[1];