《文献和研究》1985年第2期曾公开发表《中共中央关于五二○爱国民主运动的七个文件》及附录《关于五二○爱国民主运动的中央收电四件》(以下简称《中央收电四件》)。对于《中央收电四件》所标注的电文时间,一些研究者和引用者由于没有仔细阅读原电文,至今还存在一些误读,有必? “Literature and Research” 1985 the second issue has published “the CPC Central Committee on the May 20 patriotic democratic movement of the seven documents” and appendix “on May 20 patriotic democratic movement of the central power-four” (hereinafter referred to as the “central Receive four ”). Some of the researchers and cites did not read the original message carefully because there are still some misunderstandings about the message time of the “four items received by the Central Government.”