If you are asking me, I would suggest you should continous breastfeeding.
WHO( world health organisation ) also recommends us that we can continous breastfed bb at least 2 years even adding the solid food.
My son is going to 2.1/2 year, however, he is still enjoying my breast milk. As it is very good for health and can build up very good relationship with your baby; It will be easily have his good discipline, because he will be willing to listen to you, due to the very good relationship, and you can satisfy his needs.
A lot of bk moms can still breastfed their babies at least 1 year, 2 year.... you can go to breastfeeding topic.
However, if you really want to quit, I would suggest you do not stop it immediatly.
If you try to feed with bottle, can you ask someone to help you? if mom feeds him the bottle, he would of course refuse because he knows you have milk and he would prefer directly feed.
Also, what kind of 奶瓶 you are using ? Nuk is more similar to the shape of real nipple, and the sucking method is similar, you can consider using it.