Is the QR code expired, or the other party does not support it, it is not the same system, or the background is not connected, the scan cannot be done.

Check the phone first and turn on the camera function to see if it can be used normally and whether the photos are blurred. If the camera takes pictures normally, it means there is nothing wrong with the camera and camera software. It is possible that the QR code was scanned incorrectly. Introduction to Bank of Communications: Bank of Communications (full name: Bank of Communications Co., Ltd.) was founded in 1908. It is the oldest and oldest bank in modern China and one of the note-issuing banks in modern China. It is now one of the five largest state-owned banks in China.