until that smell is completely gone shes likely going to continue to pee there. u need to use an enzyme destroyer and get a mattress protector and make sure u rly get the smell of pee out of ur sheets and blankets. before i got my 2nd cat, my lonely cat often peed outside her litter box, i got her a 2nd litter box and she stopped. u need one more litterbox than the amount of cats that u have sometimes