我如何在高度表中，在列和y轴之间有1px空间?

I have to do a column chart using highcharts that has 1px space between the colums and the Y axis, how can I add the 1px space that is in my desired chart to the chart I did, these is the code I did: (Sorry I don't have the reputation enough to add images that's why I haven't post then)I have to do a column chart using highcharts th