If the current financial level is significantly higher than when you apply for the card, you can also provide the bank with the financial certificate that you did not provide when you applied for the card, and the relevant departments will re-examine it according to your new information.
Log in to credit card online banking (popular version and professional version), account management-account quota management-quota adjustment-apply for quota increase. After the application, it will be reviewed according to your card usage. If you download Pocket Life, you can operate it through card payment-quota management.