After bunion surgery

2 1/2 years ago i had a bunion removed from both big toes and a titanium plate put in because i had no cartlidge left. After first year my big toes are sticking up and the two toes next to big one have started to separate, little motion 85% pain gone i was told all the pain would no be gone but better, that’s what i have, my question is: why are my big toes sticking up, this is making me walk a little on the side of my feet. Do you also know how i can correct this?