The name Wu Dao can be very good.
The meaning of "enlightenment" is to understand and comprehend the truth or philosophical principles of life. This screen name expresses a person's depth and understanding of philosophy, thought, or spiritual pursuits.
"Enlightenment" in Chinese has a profound philosophical connotation, which can show a person's pursuit and understanding of the spiritual level. At the same time, it also shows an individual’s deep thinking and exploration of life and the world.
However, this also depends on your personal preferences and needs. If you like the idea behind the name, then it's a good name.