Will Bai Hua deduct the money and send a message to the owner?

Usually not. You can set the message prompt of Bai Hua Alipay in Alipay Settings. As far as I know, there should only be tips under Alipay. It may not be necessary to set SMS reminders.

If you pay by bank card, and the bank card has started the SMS reminder service, then you may receive a text message on your mobile phone to remind you of your consumption record. Nowadays, flower buds are very common for some people. If there is a SMS reminder for daily consumption, it is unnecessary. You can't have a text message reminder for a little money. If it is overdue, there may be a short message prompt.