Why Ying Hui in The Music of Shengxiao, Xue Baochai in Dream of Red Mansions, Monk Wei in Bright Sword, Xiaoyu Xianhuan in Sweet Honey, Tan Fan in Flowers and Bones, Demon Zhenglou in Fairy Sword, Dehua in Parents' Love. . . . . . There are many characters in movies and TV dramas that make people feel uncomfortable, so there is a difficulty correction system.