故事背景是虚构的，护照背面写的内容也是杜撰的。真正的中国护照写有以下内容：
中华人民共和国外交部请各国军政机关对持护照人予以通行的便利和必要的协助。
The Ministry of Foreign Affairs of thePeople's Republic of China requests all civil and military authorities offoreign countries to allow the bearer of this passport to pass freely andafford assistance in case of need.
