上次赢利差大于100点，本次开仓后止损由原来正常的6点改为20点止损

variable:zhisun=6;

if ref(平仓条件,1) and holding=0 and ref(holding,1)>0 and ref(openprofit,1)>100*mindiff*multiplier then zhisun:=20;

if zhisun=20 and holding<>0 and enterprice-c>zhisun*mindiff then begin

 sell(1,0,limitr,o);

 zhisun:=6;

end