主题：双周期交易问题

cc:=CALLSTOCK(STKLABEL,VTCLOSE,6);
c5:=CALLSTOCK(STKLABEL,VTCLOSE,2);
jx5:=ma(cc,5);
jx20:=ma(cc,20);
jx5f5:=ma(c5,5);
jx5f20:=ma(c5,20);
f5:=ref(jx5f5,1);
f20:=ref(jx5f20,1);

money:=holding*c;                    
total0:=money+cash(0);
total1:=money+cash(1);

if jx5>jx20 then
begin
sellshort(holding<0,0,thisclose);
buy(jx5f5>jx5f20 and f5<f20 and  holding=0,40%,thisclose);
end

if jx20>jx5 then
begin
sell(holding>0,0,thisclose);
buyshort(jx5f5<jx5f20 and f5 > f20 and holding=0,40%,thisclose);
end

一个5分钟MA5，MA20 一个日图MA5，MA20 为啥编了应用于图显示不出？