How to chage border color of pie chart

[giacomoronconiobda]

• I have searched the issues of this repository and believe that this is not a duplicate.

Reproduction link

Steps to reproduce

Is it possible to change color of the borders inside the Pie Chart, they are white even in the 'dark' theme.

Environment	Info
g2	4.1.18
System	-
Browser	-

[pearmini]

You can use pieStyle to set the stroke color of the border:

  pieStyle:{
    stroke: 'red'
  }