The performer is sick.

1. Sambo, the performer of the musical disc, was admitted to the Peking Union Medical College Hospital due to illness after completing his last performance in Beijing on September 20.

2. On October 7, Sanbao suffered a heart failure. After timely rescue, he was out of danger. For health reasons, Sanbao decided to suspend work related to "Butterfly" and rest.

3. In the follow-up interview, Sanbao's wife would not let him participate in "Butterfly" again.