Board Thread:General Discussion/@comment-27781610-20151101134918/@comment-27401113-20151107030718

From what I know, it's impossible to change a "category image", but the preview for the Category page is supposed to take by default the infobox image (or first image in the article) as thumbnail, so I'll guess it needs time too to be updated

P.D. Good luck getting into the Tsing Hua university, judging by your bookmarks