你是想在最后一根K上绘制笑脸或者哭脸?

if T=1 and num=0 then num:=1;
drawicon(ISLASTBAR=1,low,1);
if T=-1 and num:=1 then num:=0;
drawicon(ISLASTBAR=1,low,2);

上面的4句话替换掉原来的最后4句话，本地有图标显示。

你是怎么弄得

就是每次开平仓时显示图标？

BAA:=1;
MA4:=EMA(CLOSE,10)*BAA;
HH:=HHV(HIGH,5)*BAA;
LL:=LLV(LOW,5)*BAA;
H1:=IFELSE(CLOSE>REF(HH,1),1,0)*BAA;
L1:=IFELSE(CLOSE<REF(LL,1),-1,0)*BAA;
H0:=REF(HIGH,1)*BAA;
L0:=REF(LOW,1)*BAA;
P7:=H1+L1*BAA;
P8:=IFELSE(P7=0,REF(P7,1),P7)*BAA;
P9:=IFELSE(P8=0,REF(P8,1),P8)*BAA;
P10:=IFELSE(P9=0,REF(P9,1),P9)*BAA;
P11:=IFELSE(P10=0,REF(P10,1),P10)*BAA;
P12:=IFELSE(P11=0,REF(P11,1),P11)*BAA;
P13:=IFELSE(P12=0,REF(P12,1),P12)*BAA;
P14:=IFELSE(P13=0,REF(P13,1),P13)*BAA;
P15:=IFELSE(P14=0,REF(P14,1),P14)*BAA;
P16:=IFELSE(P15=0,REF(P15,1),P15)*BAA;
P17:=IFELSE(P16=0,REF(P16,1),P16)*BAA;
P18:=IFELSE(P17=0,REF(P17,1),P17)*BAA;
P19:=IFELSE(P18=0,REF(P18,1),P18)*BAA;
P20:=IFELSE(P19=0,REF(P19,1),P19)*BAA;
P21:=IFELSE(P20=0,REF(P20,1),P20)*BAA;
P22:=IFELSE(P21=0,REF(P21,1),P21)*BAA;
P23:=IFELSE(P22=0,REF(P22,1),P22)*BAA;
P24:=IFELSE(P23=0,REF(P23,1),P23)*BAA;
P25:=IFELSE(P24=0,REF(P24,1),P24)*BAA;
P26:=IFELSE(P25=0,REF(P25,1),P25)*BAA;
P27:=IFELSE(P26=0,REF(P26,1),P26)*BAA;
P28:=IFELSE(P27=0,REF(P27,1),P27)*BAA;
P29:=IFELSE(P28=0,REF(P28,1),P28)*BAA;
P30:=IFELSE(P29=0,REF(P29,1),P29)*BAA;
T:=IFELSE(P30=0,REF(P30,1),P30)*BAA;
if T=1 then begin
sellshort(holding<0,holding,market);
if holding=0 then begin
buy(1,1,market);
drawicon(T=1,low,1);
end
end
if T=-1 then begin
sell(holding>0,holding,market);
if holding=0 then begin
 buyshort(1,1,market);
drawicon(T=-1,low,2);
end
end
variable:num=0 ;
if T=1  and num=0 then num:=1;

if T=-1 and num:=1  then num:=0;