javascript - echart histogram, distance adjustment between categories

Question

I can control the height of the column (barWidth), and also control the distance between the two columns under the next category on the abscissa (barGap).
I know the parameter is (barCategoryGap), but writing it has no effect. , please take this official demo as an example,
http://echarts.baidu.com/gall...
Thank you

Answer 1

Same question. If you have an answer to the question, let me know. Penguin: 42807167