这是银行给的邮件。不是很强制性，感到憋屈的话只能报警解决了

Dear Sir / Madam,

We wish to highlight that S$500.00 was sent to your account in error.

We are assisting the account holder to recover the above amount and would require your consent by 18-01-2023 to effect a return of the money from your account.

If the money indicated does not belong to you, you are advised to return the money in accordance with Singapore law. Please contact our DBS Customer Service Hotline to provide us with your consent.

Thank you for your kind attention in this matter, and we apologize for the inconvenience caused.

Yours faithfully
DBS Bank Ltd