2. Spend more money. After a certain period of time, you can manually apply for an increase in the quota. There is usually an opportunity once every three months, but whether you can successfully raise a quota depends on your personal situation.
3. Supplement personal data and apply for increasing the credit limit. I haven't used this. I'm not sure.
4. Application of cash withdrawal strategy: In order to occupy land, banks have certain rewards for the use of credit cards, such as rewarding the use of dormant cards. Based on this, if you apply for withdrawal through normal channels, it is not acceptable.