I have a ankle fracture, do I need surgery?

I have a ankle fracture,Doctor is asking me to undergo a surgery in which they will fix a screw in bone. But I don’t want that , Can the same problem be healed with proper rest and plaster?
I am afraid of surgery and don’t wanna undergo the same.
If it can heal by applying plaster and proper rest then what precautions should I follow for it?

Medications: None