You can't return it, especially if it's overdue. Brother, just give up for such a small amount of money. It's hard to win a lawsuit. In addition, you have to pay 1000 yuan for 30 yuan. Is it worth it?

You'd better not get any messy fitness cards in the future, many of them are deceptive. No matter whether their regulations are reasonable or not, even if you can get your money back successfully, if you get the card, it means that you have fallen into a trap carefully designed by others, which is tantamount to spending money to buy punishment and asking for it. I am not criticizing you, but reminding you in good faith.