1. Persons with unstable occupation or income may apply to the local card department for supplementary information on quota adjustment with personal income certificate and property certificate.

2. If there is a problem with personal credit, you can take your ID card to the local people's bank to inquire about personal credit.

3. It is related to the type of card. Some social welfare cards with certain social payment nature are also issued credit cards, so it is impossible to give a very high amount, usually 0.00 yuan or 0.0 1 yuan.