For those who have an email handle that You do not use (or seldom use) for other firms' providers, we suggest changing the e-mail address registered to your Business ID to that a person. You could transform your e-mail address to the profile webpage of your Business ID. 為何要做個簡單修改卻沒辦法存檔，加入好友的自動回覆部分，修改完所需要內容，都存檔了卻返回一直告知尚未完成部分將刪除，... https://cristianbaxuw.blogstival.com/57645144/line-business-id-options