tóngbùshùwèijiēcéng
ㄊㄨㄥˊ ㄅㄨˋ ㄕㄨˋ ㄨㄟˋ ㄐㄧㄝ ㄘㄥˊ
Simplified 同步数位阶层
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 同步數位階層 and it comes back until you know it.