Who played the little Monitor and Huanhuan's Childhood respectively, and what else?

Liu, a childhood person. The monitor Xiaoxi and Huanhuan's childhood were played by Liu alone. 20 15 also plays childhood Mi Yue in the costume drama "The Legend of Mi Yue", which is well known to the audience. Liu, born in Quanzhou, Fujian on September 5, 2009, is an actress in mainland China.