V5 不提供控制点情况下，折线无法显示尾部箭头

[Cat1007]

Describe the bug

在不指定控制点的情况下，无法渲染箭头

Your Example Website or App

https://g6-next.antv.antgroup.com/zh/examples/item/defaultEdges/#polyline3

Steps to Reproduce the Bug or Issue

https://g6-next.antv.antgroup.com/zh/examples/item/defaultEdges/#polyline3

Expected behavior

https://g6-next.antv.antgroup.com/zh/examples/item/defaultEdges/#polyline3

Screenshots or Videos

No response

Platform

• OS: [e.g. macOS, Windows, Linux]
• Browser: [e.g. Chrome, Safari, Firefox]
• Version: [e.g. 91.1]

Additional context

No response

[github-actions[bot]]

Hi @Cat1007, Please star this repo if you find it useful! Thanks :star:! 你好 @Cat1007。如果该仓库对你有用，可以 star 一下，感谢你的 :star:!

[github-actions[bot]]

hi @Cat1007, welcome!

[Yanyan-Wang]

@yvonneyx 看看这个问题

[Aarebecca]

正式版已解决该问题