[Feature] tree.edgeShape: 'polyline'时，连线为直角，ui设计为圆角垂直，请问能设置么

[chengji-tal]

What problem does this feature solve?

现在的效果：

想要实现：

What does the proposed API look like?

请问如何实现？谢谢

[echarts-bot]

@chengji-tal It seems you are not using English, I've helped translate the content automatically. To make your issue understood by more people and get helped, we'd like to suggest using English next time. 🤗

TRANSLATED

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What problem does this feature solve?

The effect now:

Want to achieve:

What does the proposed API look like?

How to implement it? Thanks