Uncaught TypeError: axis.getLabelsCoords is not a function at Grid3DAxis.update (echarts-gl.min.js:38166) at ExtendedClass.<anonymous> (echarts-gl.min.js:37267) at Array.forEach (<anonymous>) at ExtendedClass.render (echarts-gl.min.js:37266) at echarts.js:26492 at Array.forEach (<anonymous>) at each$1 (echarts.js:524) at renderComponents (echarts.js:26490) at render (echarts.js:26473) at ECharts.update (echarts.js:25858)

markPoint的label定位, position, 如何相对于整个图来定位, 而不是根据markPoint的位置啊?

x轴有5个值，A,B,C,D,null,Echarts将null转换成了null字符串而非null导致series中的null无法正确的与x轴匹配