主题：[求助]再请老师帮忙文华改写成金字塔的，十二分感谢！

老师。

r1:=ref(h,1);
r2:=ref(l,1);
if holding>=0  and BARPOS>=100 and REF(MALEFAST,1)>REF(MALESLOW,1) and REF(MALXFAST,1)>REF(MALXSLOW,1) and HIGH>=REF(HIGH,1) and VOL>0 then buy(1,1,limitr,max(open,r1));//两组均线均成多头排列时且当前价高于上根BAR最高价入场

if holding<=0 and BARPOS>=100 and REF(MASEFAST,1)<REF(MASESLOW,1) and REF(MASXFAST,1)<REF(MASXSLOW,1) and LOW<=REF(LOW,1) and VOL>0 then buyshort(1,1,limitr,min(o,r2));//两组均线均成空头排列时且当前价低于上根BAR最低价入场

//系统出场
if holding>0 and enterbars>0 and VOL>0 and REF(MALXFAST,1)<REF(MALXSLOW,1) then sell(1,0,limitr,o);

if holding>0 and enterbars>0 and VOL>0 and REF(MASEFAST,1)<REF(MASESLOW,1) and REF(MASXFAST,1)<REF(MASXSLOW,1) and L<REF(L,1) then sell(1,0,limitr,min(o,r2));

if holding<0 and enterbars>0 and VOL>0 and REF(MASXFAST,1)>REF(MASXSLOW,1) then sellshort(1,0,limitr,o);//小周期空头均线组合成多头排列出场

if holding<0 and enterbars>0 and VOL>0 and REF(MALEFAST,1)>REF(MALESLOW,1) and REF(MALXFAST,1)>REF(MALXSLOW,1) and HIGH>=REF(H,1) then sellshort(1,0,limitr,max(o,r1));//两组均线分别多头排列且高于上根BAR最高价出场

运行后显示：

未定义变量 MALXFAST

如何解决，谢谢。