明景帝在于谦等大臣的辅佐下,获得了北京保卫战的巨大胜利后,将太上皇英宗迎回来,安置并囚禁于南宫,并采取各项措施,使得比他只大一岁的太上皇不得与外界有任何联系,以防止其复辟。与此同时,他产生了将自己的儿子立为皇太子的念头,因为在他的前面,已经有过明成祖朱棣推翻建文帝后将自己的儿子立为太子之事。为了实施这一意图,他进行了一系列工作,不择手段,乃至动用武力,贿 After receiving the great victory of Beijing in his defensive war, Ming King was welcomed back by Emperor Ying Tsung, housed and imprisoned in Nangong and taken various measures to prevent the Supreme Emperor, who was only one year older than him, from engaging with the outside world There is any connection to prevent its restoration. At the same time, he had the idea of ​​establishing his own son as Crown Prince because, in front of him, there had been a case of establishing his own son as a prince after Ming Chengzu Zhu Di overthrew Emperor Jianwen. In order to implement this intention, he conducted a series of work unscrupulous, even using force, bribing