Handbag Sponge Cake How To Remove Ballpen Mark From Gucci Handbag?

How to remove ballpen mark from Gucci handbag? - handbag sponge cake

Mine is a collection of Gucci Joy White. I think the stuff is called "gg fabric no fabric or leather (). It has a small blue ink mark on it. Who knows how I can remove the checkmark? I tried alcohol, sponge, detergent, but the mark is still there. Please help!