maskImage无法显示

[duke-git]

浏览器警告⚠️：
index.vue:136 Canvas2D: Multiple readback operations using getImageData are faster with the willReadFrequently attribute set to true. See: https://html.spec.whatwg.org/multipage/canvas.html#concept-canvas-will-read-frequently

[iamzeki]

同样问题，要echart升级到v5，wordcloud升级到v2就可以了。

[B-clover]

相信我，把颜色换成纯黑的#000000

[yvzkr]

how can ı upload v2 with yarn or npm