In the online drama Happy Face, Xiaojie's real identity is the real liyao. Many people in the play have changed their faces, and the paralyzed Xiaojie is one of them. Pan was replaced by a criminal's face, but the real one lives with liyao's face, and the real liyao is like turning into air, so it can be inferred that Xiaojie is the real liyao.

Xiaojie was paralyzed after a fall when he was a child. He can't move or talk. He is always taken care of by a brother named A Qiang. Although Xiaojie was paralyzed, he was smart enough to help Pan hide his whereabouts.

"Happy Face" is an urban suspense online drama jointly produced by Penguin Film and Beijing Very Optimistic Film Culture Media Co., Ltd., directed by Sha Hailong, starring, Cao, Keanu and so on. The play tells the story of a poor plastic surgeon, Pan, who is caught in a "face-changing" conspiracy and pursues truth and justice through various crises.

Pan (Zang) is a ruined plastic surgeon and leads a boring life every day until an incredible plot comes. Pan, who was in a coma, woke up in a dilapidated abandoned factory building and hobbled home, only to find that someone had replaced his identity with the same face. But after he became Song Kun (Zhou Yiwei), his world was completely overturned, and he was in a dangerous situation, and his wife and children missed him. Whether he can overcome many difficulties and peel away the truth layer by layer.