It's normal to be locked in a dark room, mainly because you can't use your card well. Corrected the bad habit of using the card, and will soon be able to use the card normally. You should do this now: 1. Repay in full and on time. 2. Diversified card use and real consumption. 3. Don't always leave the card blank, and keep the card amount above 20%. 4. Join the bank credit card activity!