一、未能制定民主革命纲领是中共“一大”留下的缺憾1920年6月,陈独秀首先在上海建立起中国共产党发起组,并以上海发起组为中心,分别在北京、武汉、广州、长沙、济南等各主要城市,酝酿和组建党的早期组织。到1921年夏天,建立统一的中国共产党的条件已日益成熟。上海党的发起组在李达的主持下,进行了全国代表大会的具体筹备工作正式成立中国共产党。李达向各地党的组织发出通知,要 First, failed to formulate a program of democratic revolution is the CCP “big ” left the shortcomings in June 1920, Chen Duxiu first established in Shanghai, the Communist Party of China initiated the group, and initiated the group in Shanghai as the center, respectively, in Beijing, Wuhan, Guangzhou, Changsha, Jinan and other major cities, brewing and the formation of the party’s early organization. By the summer of 1921, the conditions for establishing a unified Chinese Communist Party had become increasingly mature. Under the auspices of Li Da, the Shanghai Party’s sponsoring group conducted the concrete preparations for the National Congress and formally established the CPC. Li Da sent a circular to the party organizations in various places