No real estate can apply for cancellation if it accidentally applies for Alipay's mortgage. The tutorial for canceling Alipay mortgage is as follows:

1. Find the online merchant bank service number through the search function of Alipay.

2. After entering the service number, find the loan button in the upper left corner of the page.

3. Click the button and find the online merchant loan entrance in the pop-up window.

4. After entering the online merchant loan page, click the repayment button in the upper right corner.

5. Find your own online loan application record on the repayment page, and select Cancel.