Who knows Yu Keqin's reputation? Be specific.

Yu Keqin Qing Dynasty Font Name: Zejiu Painting School: Year: Qing Dynasty Native Place: Tianjin Introduction: Xianfeng (1851-18665438) Xuebo. Calligraphy, especially lanzhu. Yu is purely a matter of literati, writing freely, so high that he has his own pen and ink, but in the end he thinks he lacks cultivation.