The sharp-eyed Tiao You estimated that watching the recent episodes of "Qing Ping Le" would find a familiar little actor, Ye Kaiwen.
Went to his Weibo, the avatar confirmed the editor's speculation. That's right, it was the teenager Liang Huaiji he played.

Teenager Wai Ji and Hui Rou
Ye Kaiwen played the childhood Ah Cheng in "The Pretender", which was his first cooperation with Wang Kai.
On the set of the "The Pretender"
Then, in the Tang dynasty drama "The Legend of qingqiu fox", he played the "childhood Wang Kai" - Shi Taipu.
And "Qing Ping Le" is his third cooperation with Wang Kai.
Xiaobian is actually more familiar with Ye Kaiwen's role as the eldest brother Yong Huang in "Ruyi Zhuan". The scene where Zhou Xun combs his hair in the play is quite warm.
The young actor's recent more knowledgeable is that after the broadcast of "Qing Ping Le", he began to become more frequent. From the math homework posted, it can be seen that he is still in junior high school.