What are the names of the children at the concert in Nanning, Jay Chou?

The stage name Baby appeared in Nanning Concert twice, once as a dancer, and once as a self-playing singer, singing "Xiang Tao".

After the concert, I came out and met him and left by car. The fans were so crazy that they pushed me to the car (actually, I didn't want to). A girl was accidentally run over by a wheel, which seemed to hurt. She was told to call the police but was refused. ...