阿里的 g2 怎么去掉饼图高亮时的黑色边框？

已解决，文档不太友好
```js
chart.state({
active: {
style: (element) => {
const shape = element.shape;
return {
stroke: shape.attr("fill"),
strokeOpacity: shape.attr("fillOpacity"),
};
},
},
```

实话，文档确实不太友好

@Samuel021 能发下地址么

@KouShuiYu #4 https://g2plot.antv.vision/zh/examples/pie/basic#basic