朋友們.幫改一下公式

DIFF := EMA(CLOSE,12) - EMA(CLOSE,26),COLORFFFFff;;
DEA? := EMA(DIFF,9),COLOR00FFff;;
MACD := 2*(DIFF-DEA), COLORSTICK;

ma1:if(ISLASTBAR,2*DIFF-ref(DIFF,1),refx(DIFF,1)),SHIFT1,ColorffFffF;
ma2:if(ISLASTBAR,2*DEA-ref(DEA,1),refx(DEA,1)),SHIFT1,Color00FFff;

我想讓這個公式.多出來的一天的線.用別的顏色.

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