Qiannan Joke

Is it a human or a ghost behind the Nuo opera mask? After the fire when I was 10 years old, my uncle's "yes and no" became a mystery - he disappeared after scattering the ghost in the theater. Nine years later, I found the ancient talisman scroll and the blood letter, and found out that he was the "player". He was going to Wuziling to suppress evil spirits, but the corpse ghost chasing me was already blocked on the road...