:1 949年 4月“紫石英”号事件的发生同英国的炮舰政策有关 ,但英国并没有帮助国民党阻止人民解放军渡江的意图 ,也没有首先炮击解放军阵地。而待命渡江的人民解放军发现外国军舰突然闯入防区 ,在鸣炮示警无效的情况下断然开火 ,则是无可指责的。事件发生后 ,中共和英国均采取了理性的克制态度 ,防止了事态进一步恶化。谈判达不成协议的症结在于英国不肯承认“擅自侵入”中国内河的“基本错误” ,这种态度最终导致了令人遗憾的结局 : 1 In April 1949, the occurrence of the “Amethyst” incident was related to the British gunboat policy. However, Britain did not intend to help the KMT to prevent the PLA from crossing the river, nor did it first blast the PLA positions. However, the people’s Liberation Army on standby, crossing the river, found that foreign warships broke into the zone of defense suddenly and opened fire exactly when the warning of the guns was invalid. After the incident, both the CPC and the United Kingdom took a rational and restraining attitude and prevented the situation from further deteriorating. The crux of the negotiations that failed to reach an agreement was that Britain refused to recognize the “fundamental mistake” of “unauthorized intrusion” into the river of China, which finally led to the regrettable ending