It doesn’t matter, please don’t worry. The reason why the bank hides the 4-digit card number is to prevent risks. The card number is very important, so keep it safe for yourself. Even if your colleagues have their ID numbers, they will also have them. Card number, but it’s useless if you don’t know your personal information. What’s more, the risk control of various banks is very strict now, and they need a lot of information to check your situation to confirm whether it is you, so don’t worry. Generally there is nothing Big question, if you really feel unsafe, just call CITIC customer service to help you report the loss and get a new card. I don’t know if CITIC charges a fee for reporting the loss of a gold card. Some banks will provide free services for reporting the loss of gold cards. I hope it can Help you!