There are two more express messages in Alipay inexplicably, which I didn't operate by myself. What happened?

There are two more express messages in Alipay inexplicably. The reason is that the authorization management settings of Alipay express messages have not been modified. The solution is as follows:

Preparation materials: Alipay APP

1. Open the Alipay application downloaded from your mobile phone and log in to your account.

2. After entering Alipay, find it in Alipay app and click "My Express" to view it.

3. On the My Express application page, click? In the upper right corner. Press menu.

4. Click "Manage Authorization" in the pop-up drop-down menu.

5. After entering the page, you can view the bound mobile phone number. To unbind, click the edit button in the upper right corner.

6. Click the "Delete" button behind the phone number, click the pop-up dialog box, and then click "OK".