2. The following is a detailed explanation:

- After the credit card is overdue, credit card companies usually take a series of collection measures, including telephone collection, SMS reminder, and the accumulation of overdue fees.

- If you only pay 1 yuan monthly, it may not be effective to alleviate the overdue problem. Because overdue fees and interest will continue to accumulate, resulting in more and more debts.

- If you only repay 1 yuan for a long time, the credit card company may think that you are unable to repay the arrears, and may eventually choose to sue you to try to recover the arrears.

3. Summary:

- There is a risk of being sued by the credit card company if it is only returned to 1 yuan every month.

- It is suggested to communicate with credit card companies and try to make a more reasonable repayment plan to avoid legal disputes.

4.

Extended information:

- The procedures and results of investigating overdue credit card repayment responsibilities may vary from region to region, depending on local laws and regulations.

- In China, the collection measures and legal procedures for overdue credit cards are regulated by the Contract Law of the People's Republic of China and other relevant legal documents.

- The above answers are only general explanations, and cannot replace legal advice.

Please note that the above information is a general explanation and cannot replace legal advice. The procedures and outcomes for pursuing overdue cr edit card payments may vary depending on the region and local laws.