On this day, Wanyan Wushu led a large group of troops to camp on the north bank of the Yellow River, preparing to attack Jinan Prefecture.
The Song army, under the command of Liu Lin, the deputy general of Jinan General Guan Sheng (Liu Lin was the son of Liu Yu, the prefect of Jinan) set up catapults on the south bank to prepare for resistance.
The next day, Wanyan Wushu ordered an attack. After receiving the order, the Jin Army began to erect a pontoon bridge. After Guan Sheng discovered this situation, he immediately ordered an attack with catapults to disrupt the Jin Army's actions. Jin Army soldiers were thrown over Their noses were bruised and their faces were swollen with rocks, so they quickly organized a counterattack. The two sides fought for a day, each suffered casualties, and each ceased fighting.
That night, Wanyan Wushu was pacing in the tent, and Hamichi came to him and asked: "Master Lang, are you thinking about ways to conquer Jinan?" Wanyan Wushu nodded.
Hamichi said: "Master Lang, I have a plan to occupy Jinan without any bloodshed. I don't know if I should talk about it or not?" Wanyan Wushu said: "Don't be shy, just say what you have to say." Hamichi said: "According to the report of the scout. Liu Yu, the prefect of Jinan, was once appointed by the emperor of the Southern Dynasty as Hebei Tixin (an official in charge of judicial affairs in Hebei region). Later, because Hebei area was occupied by our army, he was changed to the prefect of Jinan. This person was dissatisfied with the imperial court because he had not been taken seriously for a long time. I think Send people to negotiate with him and persuade him to surrender with the promise of high official and generous salary." Wanyan Wushu said: "The military advisor has a brilliant idea. You should write him a letter in my name immediately and tell him that as long as he surrenders, he can continue to serve in Jinan. Magistrate, if you have meritorious service in the future, you will be rewarded separately." Hamichi replied: "Yes, I will do it right away." Hamichi returned to his tent and wrote a letter to Liu Yu in the name of Wanyan Wushu. The letter listed examples of the Southern Dynasty emperor's incompetence, appointment of corrupt officials and other misdeeds, and persuaded Liu Yu to surrender. After the letter was written, Hamichi sent someone to deliver it to Liu Yu.
Faced with the Jin army's overwhelming force, Liu Yu was a little scared. After seeing the Jin army's letter persuading him to surrender, Liu Yu and his son discussed it and finally decided to surrender. In order to surrender smoothly, Liu Yu and his son used the name of discussing military affairs to surrender. , deceived Guan Sheng into the prefect's yamen, and forced him to give an order to leave the city and surrender. Guan Sheng refused and was killed by Liu Yu's men.
Then Liu Yu ordered to leave the city and surrender. After entering the city, Wanyan Wushu fulfilled his promise and allowed Liu Yu to continue to serve as the prefect of Jinan. He left 3,000 troops to garrison Jinan and led an army to attack Xuzhou. The Song army stationed in Xuzhou resisted heroically for five days. Outnumbered, they retreated to Jinling.
Wanyan Wushu's army approached Jinling.
