The laser engraving machine carved a wrong word, how to correct it? Is there a good way (answer if you understand)

Laser engraving machine engraving, if you use the wrong word, no matter what material, there is no way to modify it.

If there is no requirement for quality, as long as the surface is colorless, it can be directly polished and removed before processing; If it is a product with high quality requirements, it can only be redone.