In 1850, when the Daoguang Emperor became critically ill, he summoned Zaiquan (載銓), Zaiyuan, Duanhua, Sengge Rinchen, Mujangga, He Rulin (何汝霖), Chen Fu'en (陳孚恩) and Ji Zhichang (季芝昌) to Shende Hall (慎德堂) in the Old Summer Palace, where he revealed to them a secret edict he wrote previously.