模型编写问题　[金字塔]

测试中多单能平，但空单平不了。请帮忙看看是什么回事？

谢谢

MID:=MA(C,30);
TMP2:=STD(C,30);
TOP:=MID+2*TMP2;
BOTTOM:=MID-2*TMP2;

TT:=C<0.99*enterprice+10*INTPART((HH-enterprice)/10)+0.01*enterbars*ATR;
UU:=C>1.01*enterprice-10*INTPART((enterprice-LL)/10)-0.01*enterbars*ATR;

PD1:=TT||CROSS(EMA60,EMA10)||C>1.01*enterprice&&(H-MAX(O,C))/C>0.005;
PK1:=UU||CROSS(EMA10,EMA60)||C<0.99*enterprice&&(MIN(O,C)-L)/C>0.005;

PD2:=C<MA20||enterbars=1&&H-MAX(O,C)>ABS(O-C)&&CROSS(TOP,C)||C>1.01*enterprice&&(H-MAX(O,C))/C>0.005;
PK2:=C>MA20||enterbars=1&&MIN(O,C)-L>ABS(O-C)&&CROSS(C,BOTTOM)||C<0.99*enterprice&&(MIN(O,C)-L)/C>0.005;

SELL(holding>0&&IFELSE(REF(C,enterbars)>REF(TOP,enterbars)&&REF(C,enterbars)>EMA10,PD2,PD1),5,THISCLOSE);
sellshort(holding>0&&IFELSE(REF(C,enterbars)<REF(BOTTOM,enterbars)&&REF(C,enterbars)<EMA10,PK2,PK1),5,THISCLOSE);