before changing the account, please confirm whether there are any unused coupons or balances on the original account. If there are any, you can try to spend or withdraw cash before canceling.

Specific steps:

1. Open the mobile banking of China Construction Bank, find the entrance of related services such as wealth management and life on the homepage, and click Enter.

2. select "life service", find "life takeaway" in the drop-down list, and click enter.

3. select "settings" in the personal center page, and then click the "logout" button to confirm logout.

4. after successful cancellation, return to the home page of life takeaway, click the "register" button, fill in the new registration information as prompted, and complete the registration and login.