Where did Song Wu go after visiting the Happy Forest in Water Margin? How did you die?

In Mengzhou, Song Wu was kindly taken care of. In return, Song Wu beat Jiang Menshen as drunk as a fiddler and helped Mersey recapture the Happy Forest Hotel. However, Song Wu was ambushed by Jiang Menshen in collusion with the government and Britain, and was forced to kill people, spilling blood on the mandarin duck building and writing "The murderer killed the tiger Song Wu also". Then I went to centipede ridge at night and killed the evil flying centipede Taoist Wang in the grave. In the process of escape, with the help of Zhang Qing and Sun Erniang, he pretended to be a "walker" and practiced with his hair. After Song Wu defected to Erlong Mountain, he became one of the three leaders of the "Rebel Army" (Erlong Mountain defected to the land and Yang Zhi joined in, and then there were four people: Di Di, Cao Zheng, and Sun Erniang). Sanshan Juyi fought Qingzhou, voted for Liangshan Bodazhai, and Sanshan fought Qingzhou back to Liangshan. In the battle to conquer Fang La, he was assassinated by Bao and lost his left arm. After class, Song Wu refused to return to Bianjing, became a monk in Liuhe Temple, took care of Lin Chong for half a year, and died naturally at the age of 80.