Why does Alipay refund remind other people's accounts?

If your Taobao, Alipay and bank card are all bound with different mobile phone numbers, then these numbers may receive information.

If you pay by bank card, you will receive the incoming call information when you bind the mobile phone number of the bank card at the time of refund. If you pay with Alipay, Alipay will push the mobile phone message after receiving the refund.