Please look pictures.
[Right up side menu (三) ] -> [Account Setting]
->[INTERGRATIONS] -> [Conncet to your existing Discord Account]
and... Even if you try this, you wouldn't connect Discord,
Try to Disconnect Discord and Re-connect Discord.If you success connect Discord.
Your Discord nickname color will change.
$1 -> blue
$3 -> yellow
$5-> purple
and you can see [working-process], [dollor-supporters] channels.
▼ranken's Discord Server▼
https://discord.gg/jvkc7eW If you can't connect Discord and Subscribestar...
Please erase cache memory.
and re-connect Discord and SubStar,
and Log-out Discord account, and Log-in Discord account.
※If you have many Discord accounts... Please logout all Discord account. on web, on app.
and try re-connect Discord and SubStar.