CCB's mobile app does not push account balance changes, and it can only be seen after the transaction.
Add a credit card to mobile banking first, and then select Enable Mobile Banking Notification in Mobile Banking-Featured Services-Message Service Customization-Credit Card-Account Message Notification. In the upper right corner of the mobile banking client login page, "More-Message" turns on the switch to receive messages. At the same time, open the "Allow Notification" in the "Settings" of the mobile phone.