Why didn't Yan Chunming give up Liang?

Make up for your mistake in developing Liang to join the party. In the play, Yan Chunming said that he had to make up for his mistake in developing Liang to join the Party and be responsible for distributing food, so he didn't give Liang up. "No War in Peiping" was jointly produced by Beijing Ruyi Xinxin Film Investment Co., Ltd., Heli Guang Chen International Culture Media Company, Beijing Chunronghe Film and Television Culture Company and Shandong Film and Television Production Company, with Kong Sheng as the director, screenwriter and chief producer, and starring Liu Ye, Chen, Dahong Ni, Wang Qingxiang and Cheng Yu.