Emperor Yang Guang of the Sui Dynasty conquered Goguryeo three times. He abandoned many soldiers and exiled in a foreign land. A group of people survived with difficulty. Yanzhao has many tragic and generous people. It is such a group of soldiers who gather friendly troops and gain a foothold in Liaodong! What should we do if there are many foreign races? Yu said: It has only been more than two hundred years since the Hu Ling was killed. It seems that the Hu people have forgotten it. We should let them experience fear again!