The account is abnormal, which usually occurs in "cashing out". If you have a large number of credit card transactions in a certain period of time, and the types are particularly concentrated, it is easy for banks to suspect that they are cashing out. This situation belongs to account abnormality, and account abnormality also includes card theft. 3. If your Guangfa Credit Card has not been used for more than 5 months, it is easy to be downgraded by the bank. Credit cards that have not been used for a long time have serious security problems. For this kind of sleep card, reducing the credit limit is also beneficial. Once the credit card is stolen, the loss is not so serious. If you want to restore the credit line, you have to prescribe the right medicine. For example, if the credit card is overdue, it must be repaid in full and on time from now on. Don't call Guangfa Bank to apply for a credit line back after a while. If the account is abnormal for reasons other than its own, you should make it clear to the bank and ask for a good amount. If it is caused by your illegal cashing, don't cash out again.