How did Chen Zhuoxuan know Bird?

Chen Zhuoxuan met Bird in the program. Chen Zhuoxuan,1born in Guiyang, Guizhou on August 3rd, 1997, is a Chinese mainland pop singer, film actress, former super girl group and former hard candy girl 303 women's singing group, and graduated from the School of Foreign Languages of Shanghai Maritime University. Birdie, 1985 was born in Chuzhou, Anhui Province on June 2, and graduated from Nanjing University of Finance and Economics. He is a China male singer and actor. 18, Youku's program "The Story of Solar Terms" was attended by Jessica Hester Hsuan and Birdie. So Chen Zhuoxuan met Bird in the program.