In the seventh year of Xuanhe (1 125), Jin Jun attacked the Song Dynasty from east to west. Seeing that Song Huizong was in danger, Naichan found Prince Zhao Huan (Qin Zong). In the first month of the first year of Jingkang (1 126), the Jindong Road Army entered Bianjing (now Kaifeng, Henan), forcing Song Yihe to withdraw. In August of the same year, 8 jin j attacked Song in two ways; Leap in November, Jin Lianglu army stationed to conquer Bianjing. In March of the following year, 8 Jin Jun made Zhang Bangchang king of Chu, driving away thousands of people including Hui, Emperor Qin, royal family, empresses, musicians and craftsmen, and returned to the North with books, maps, treasures and artifacts, and died in the Northern Song Dynasty. History is called "the change of Jingkang", or "the difficulty of Jingkang", "the disaster of Jingkang" and "the shame of Jingkang". Because the first year of Jingkang was the year of Bingwu, it was also called "the shame of Bingwu".