1, and gently correct it back to its original state.
If the deformation is not very severe, you can try to correct it yourself gently.
2, tap a few times to restore the original shape
If the gold bracelet is only slightly deformed, you can find a cylindrical object with the same diameter as the circle you want, and then find a rubber hammer (or wrap several layers of cloth on the hammer, or use a thick solid wood square bar). Put the bracelet on a cylindrical object, and tap it with a hammer to make the inner ring of the bracelet stick to the cylindrical object, and it can be restored to its original state after a few taps.
3, professional maintenance division such as
If the bracelet is seriously deformed, you can also take the gold bracelet to the original gold shop to let the professional repairman restore the original touch. In general, gold shops are guaranteed in this case.