why nodebb use gravatar image for og:image

[Krissanawat Kaewsanmuang]

and how to fix it

[PitaJ]

@Krissanawat-Kaewsanmuang

https://github.com/NodeBB/NodeBB/blob/45e412ed7c0a876da177a491c1f03f4623349936/src/controllers/topics.js#L172-L174

[Krissanawat Kaewsanmuang]

@PitaJ thank to reply
but I already set og image

and where to set thumb image

[PitaJ]

@Krissanawat-Kaewsanmuang you misunderstand, that's just a reference of the code which by default falls back to the user image if there's no topic image.