DIFF:= EMA(CLOSE,12) - EMA(CLOSE,26);DEA:= EMA(DIFF,9);MACD:=2*(DIFF-DEA);XG1:=MACD>0;XG2:=CROSS(DIFF,DEA);XG:XG1 AND XG2;即出红柱金叉,这个也叫做MACD零上金叉,是零上,不是零轴上,符合你的要求。