主题：公式测试能通过，但一用在副图就卡死。

你试试这个

ma1:=ma(c,5);
ma2:=ma(c,10);
ma3:=ma(c,20);
ma4:=ma(c,30);

con1:=ma1>ma2 and ma2>ma3 and ma3>ma4;
con2:=ma1<ma2 and ma3>ma4 and ma2>ma3;

if ref(all(con1,10),1) and con2 then drawicon(ma1<ma2,low,4);