加下面这两句就会信号闪烁，不加就不会闪，啥子问题呢

if(BarsSinceToday == t1)

if(BarsSinceToday >t1)//开仓

Params

Numeric t1(30);

Numeric atrmul(2);

Numeric minusx(2);

Numeric t2(15);

Numeric cishu(3);

Vars

Series<Numeric> tem_h;

Series<Numeric> tem_1;

Series<Numeric> my_h;

Series<Numeric> my_1;

Series<Numeric> my_h15;

Series<Numeric> my_115;

Global Numeric s1(0);

Series<Numeric> atr;

Series<Numeric> my_exitprice;

Series<Numeric> x1(1);

Events

OnBar(ArrayRef<Integer> indexs)

{

Numeric mindiff;

mindiff = MinMove*PriceScale;

Numeric atrx;

atrx = Average(TrueRange,t1);

tem_h=highest(h[1],t1);

tem_1 =lowest(L[1],t1);

my_h15 = highest(h[1],t2);

my_115 = lowest(L[1],t2);

PlotNumeric("my_h15",my_h15);

PlotNumeric("my_h115",my_115);

//Commentary("BarsSinceTodav-"+text(BarsSinceTodav))

if(BarsSinceToday == t1)

{

my_h= tem_h;

my_1=tem_1;

atr = atrx;

s1 = cishu;

PlotNumeric("my_h",my_h);

PlotNumeric("my_1",my_1);

}

if(BarsSinceToday >t1)//开仓

{

if(h >=my_h15 and MarketPosition ==0 and s1 >0)

{

buy(1,max(o,my_h15));

s1=s1 - 1;

my_exitprice=l - atrmul * atr[1];  //28

//my_exitprice = my_1 - atrmul * atr[1];  //28

}

if(L <=my_115 and MarketPosition ==0 and s1 >0)

{

SellShort (1,min(o,my_115));

s1 = s1 -1;

my_exitprice =h + atrmul * atr[1];   //28

//my_exitprice = my_h + atrmul * atr[1];  //28

}

}

////

//操作exitprice

if(MarketPosition>0)

{

if(EntryPrice + my_exitprice >100)

{

x1=(1+0.2);

//x1=0.95;

}

if( my_exitprice < l  - x1 * atrmul*atr[1])

{

        my_exitprice = L - x1 * atrmul * atr[1];

}

//my_exitprice =my_exitprice + minusx * mindiff * barssinceentry;  //*barssinceentry

//Commentary("minusx*mindiff*barssinceentry="+text(minusx*mindiff*barssinceentry));

}

else if(MarketPosition<0)

{

if(EntryPrice - my_exitprice >100)

{

x1=(1-0.2);

//x1=0.95;

}

if( my_exitprice  > h + x1 *   atrmul*atr[1])  //+ x1 *

{

       my_exitprice = h + x1 * atrmul*atr[1];  // + x1 *

}

//my_exitprice =my_exitprice - minusx * mindiff * barssinceentry;

}

//////

if(MarketPosition <> 0)

{

PlotNumeric("my_exitprice",my_exitprice);

}

/////

if(MarketPosition >0)

{

if(l <= my_exitprice and BarsSinceEntry >0)

{

sell(0,min(o,my_exitprice));

}

}

else if(MarketPosition <0)

{

if(h >=my_exitprice and BarsSinceEntry >0 )

{

BuyToCover(0,min(o,my_exitprice));

}

}

////收盘离场

if(MarketPosition >0)

{

      if(time ==0.1459)////收盘离场

{

   sell(0,open);

}

}

else if(MarketPosition<0)

{

if(time == 0.1459)////收盘离场

{

BuyToCover(0,open);

}

}

}