November 21, 1944 (Jiashen October sixth days), Guo "Monkey three hundred years" is set at the the Rectification file. ,

1944 11 21, Mao Zedong wrote to Guo even more proud to tell him that the Communist Party of China the "Monkey three hundred years" has been designated as a the the Rectification file and said: "the small victories proud, victory over and over again at a disadvantage, and how to avoid such problems, it is worth noting. "I hope Guo write a Taiping Heavenly Kingdom of experience will be useful. The letter also states: War of Resistance Against Japanese Aggression should be a mature democratic revolution, the international conditions are good, domestic rely on our efforts, "I work diligently, and fear that go wrong, but maybe trouble came from somewhere; What do you see Error drawback me know at any time ".