Users log in to mobile banking, click the card renewal function of Pratt & Whitney Card under the homepage-More-My Credit Card module, enter the page of my Pratt & Whitney Financial Card, select a card that needs to be renewed, and click Return to renew the card to enter the confirmation page of the original card information. The renewal of Pratt & Whitney Card confirms whether the card selection is correct. After confirming that there is no problem, click Next to enter the ID card information authentication page. If the uploaded ID card image is wrong and the authentication fails, the system will prompt the corresponding error message and need to shoot again, otherwise the next operation cannot be carried out. Next, click "Click to upload the material" for face recognition live detection. You can choose to upload photos by taking photos or opening local photo albums. You can upload up to 5 photos. After uploading the fifth photo, click the upload material operation button to hide it. Uploaded photos support "preview" and "delete" operations: click "preview" to enlarge the corresponding photos for viewing; Click "Delete" to delete the corresponding photos. After uploading other materials, click Next to enter the legal document address page. After the user correctly signs, click Submit to submit the card replacement application and return the application result.