suíxìnfùshàng
ㄙㄨㄟˊ ㄒㄧㄣˋ ㄈㄨˋ ㄕㄤˋ
Simplified 随信附上
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 隨信附上 and it comes back until you know it.