How to turn off the secret-free payment function in Pinduoduo?

Enter the secret-free payment that has been opened and close it. I'll show you how to turn it off:

Software version: Pinduoduo 6.32.0. Mobile phone model: vivo Y31s.

1. Open Pinduoduo software, and first click Personal Center in the lower right corner.

2. Then click Settings.

3. Then click on the secret payment settings.

4. Then click on WeChat for confidential payment.

5. Then click to close WeChat confidential payment.

6. Click another reason.

7. Finally, click Close Still to close it.

After the closure is successful, Pinduoduo cannot automatically deduct the money from your WeChat account.