How do I change its ICONS in GHpython？

[ZY_Night (Night)]

When I made the GHPY plugin, the images I imported ended up blurry. How to make a suitable GH icon

[pierrec (Pierre Cuvilliers)]

Hi @ZY_Night, there are some pointers on icon design for GH on this page: Grasshopper Icons with C#, VB

[ZY_Night (Night)]

@pierrec thank you，