1. Open WeChat, switch to the "I" interface of the main interface, click on the personal avatar and enter the "Personal Information" interface.

2. Click "My Bank Card" in the "Personal Information" interface, and click the card to select the bank card whose limit needs to be modified.

3. At the bottom of the interface, you can see the words "Adjust the transaction amount, please contact the bank customer service: ×××××××××", click the bank customer service phone number, and then click the "Call" button in the pop-up interface to call the customer service.

4. Call the bank customer service, and then inquire and modify the payment limit of the bank card according to the voice prompt or manual transfer.