How Do Zombies in the Apocalypse Turn into Biochemical Ghosts?

"Let me go, shouldn't the normal apocalypse be slow-moving zombies? What the hell is this CF biochemical ghost?" Lin Shu, who had traveled through time, was confused13. Was his posture during time travel wrong? In other words, if you don't time travel sooner or later, you'll have to wait until you poop! At least let me wipe my butt! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.