Wang Yibo wrote Xiao Zhan on Weibo: Happy birthday Brother Zhan, hahahahahaha. The accompanying picture is a behind-the-scenes photo of the two of them looking up to the sky and laughing together while filming "Chen Qing Ling". In just 7 hours, this Weibo post had more than 2.88 million likes, quickly reaching the top of the hot search list. This shows the current popularity of the two, and they are worthy of being the most popular idol stars in the mainland so far this summer.