How to close Alipay credit purchase?

The closing method of Alipay credit purchase is as follows:

Tools: Huawei mate40pro mobile phone, HarmonyOS OS3.0, Alipay 8.0.9.

1, open Alipay.

2. Click Sesame Credit.

3. Select Credit Management at the bottom right.

4. Select the authorization management at the bottom.

5. Select the de-authorization option under the credit purchase service to close the Alipay credit purchase.