Why doesn't Yu Wenhu recognize Lihua?

In the lonely world, Yuwen Hu denied Lihua for his own benefit. If he forcibly recognizes women and turns against Emperor Wendi and Dugu Gao, it will only make Lihua hate it. And solitary Prajnaparamita doesn't want him and Lihua to be Joseph, and Yuwen Hu doesn't want to go against solitary Prajnaparamita's wishes. ?

The Lonely World is directed by Shu-Pui Hou and Chi Wai Laam, written by Andy, starring Hu Bingqing, Andy, Jeremy Jones, Yixiao Li, Hansen, Huang Wenhao, Zou Tingwei, Lu Xingyu, Li Ruichao, Zhao Yixin, Gao Siwen and Liu Shuai, especially An Yixuan. Based on the turmoil in the ruling and opposition parties in the late Northern Zhou Dynasty in ancient China, the play tells the story that the three daughters of Du, Prajna, Galo and Mantuoyin, as important ministers, gradually changed from noble families to royal daughters.