Why is there a hip-hop finals without vava in China?

The #VAVA# in the poster of the top four announced earlier is not among them, but the # Jony J # that has already been eliminated has been promoted to the top four through resurrection. Because the details of their transposition have not been broadcast, they have been spit out by netizens. ? According to the news, VAVA was eliminated in the 4-in-3 "help singing" link.