关于九·一八事变后“不抵抗”的责任问题,很长时间内,主流史学界人士都认为是蒋介石下达了“不抵抗”命令,其主要依据是1931年8月16日蒋介石“铣电”强调“无论日本军队此后如何在东北寻衅,我方应予不抵抗,利弊冲突”。然而时至今日,该电文也未在大陆和台湾现有的档案中查到。而随着新史料的发掘,更多学者将九·一八不抵抗的责任归于张学良,从而弱化了过去一边倒式的蒋介石不让抵抗的观点。至于张学良为什么下达“不抵抗”的命令, For a long time, most mainstream historians believed that Chiang Kai-shek has issued an order of “non-resistance,” based on the responsibility of “not resistance” after the Sept. 18 Incident. It is mainly based on the assumption that on August 16, 1931 Chiang Kai-shek and Milling Power stressed: “Regardless of how the Japanese military subsequently challenged the northeast, we should refrain from resisting conflicts of interest and disadvantage.” However, up till now, the telegram has not been found in the existing archives of mainland China and Taiwan. With the discovery of new historical materials, more scholars attributed the responsibility of September 15 to Zhang Xueliang, thereby weakening Chiang Kai-shek’s resistance in the past. As for why Zhang Xueliang issued “no resistance ” command,