 Xu Yanmou's daughter Xu Lanlai Xi once talked about this moment According to her, Xu Yanmou's father-in-law Wu Jisun used to be Xu Shichang's secretary When Xu Yanmou bought Dongdachi Chikai from Rupai's hands and took it to Xinyuan, he invited Wu Jisun and Xu Shichang offered a book and returned it Xu Yanmou was in front of Yuan Gate at that time