Yan Xishan
In 1946, the Second Civil War broke out. Yan Xishan appointed Zhao Chengshou as commander-in-chief of the field army of the Taiyuan Suijing Office. In May 1948, the First Corps of the North China Field Army attacked Jinzhong. In July of the same year, Zhao Chengshou surrendered to the North China Field Army. Since then, he has mobilized the 71st Division of the Yan Xishan Division and the 8th Corps to surrender.