Stacked Line Chart BUG

[Gaoshengyue]

When the value of index = 0 of a label exceeds the value of index = 0 of other labels by several orders of magnitude, the icon display will have problems

[echarts-bot]

This issue is not created using issue template so I'm going to close it. 🙊
Sorry for this, but it helps save our maintainers' time so that more developers get helped.
Feel free to create another issue using the issue template.

If you think you have already made your point clear without the template, or your problem cannot be covered by it, you may re-open this issue again.

这个 issue 未使用 issue 模板 创建，所以我将关闭此 issue。
为此带来的麻烦我深表歉意，但是请理解这是为了节约社区维护者的时间，以更高效地服务社区的开发者群体。
如果您愿意，可以请使用 issue 模板重新创建 issue。

如果你认为虽然没有使用模板，但你已经提供了复现问题的充分描述，或者你的问题无法使用模板表达，也可以重新 open 这个 issue。

[plainheart]

I'm sorry for closing this issue. Please recreate another issue with a specific description and tidy format as the echarts-bot said.
It would be better if some examples can be provided on https://gallery.echartsjs.com/editor.html or https://codepen.io/.