红柱由长变短
all(macd1>0,3) and macd1<ref(macd1,1) and ref(macd1,1)>ref(macd1,2)
绿柱由长变短
all(macd1<0,3) and macd1>ref(macd1,1) and ref(macd1,1)<ref(macd1,2)