In 1216 a war faction persuaded Xuānzōng to attack the Song, but in 1219 they were defeated at the same place by the Yangtze River where Prince Hǎilíng had been defeated in 1161.
L'imperatore Āizōng (哀宗), succeduto dopo una lotta dinastica contro suo fratello, mise fine alla guerra e rientrò nella capitale.