Fix bugs

src/server/web/views/note.pug

@@ -4,7 +4,6 @@ block vars
 	- const user = note.user;
 	- const title = user.name ? `${user.name} (@${user.username})` : `@${user.username}`;
 	- const url = `${config.url}/notes/${note.id}`;
-	- const img = user.avatarId ? `${config.drive_url}/${user.avatarId}` : null;
 
 block title
 	= `${title} | Misskey`
@@ -18,7 +17,7 @@ block meta
 	meta(property='og:title'       content= title)
 	meta(property='og:description' content= summary)
 	meta(property='og:url'         content= url)
-	meta(property='og:image'       content= img)
+	meta(property='og:image'       content= user.avatarUrl)
 
 	if note.prev
 		link(rel='prev' href=`${config.url}/notes/${note.prev}`)