At the time of the change of the gate, Emperor Mingyingzong Zhu Qizhen was coerced and coerced by Xu Youzhen, Shi Heng, Cao Jixiang and others, and involuntarily became a puppet of others seeking political benefits; he was not the initiator, of course, Emperor Yingzong also restored the throne, which had a win-win meaning. Emperor Jingtai fell ill, his chosen successor died again, and the courtiers knew that it was time to discuss future successors, including his prestigious Empress Sun. As a result of the consultation, there were three people who met the conditions, and the original emperor Ming Yingzong Zhu Qizhen was one of the candidates.
From the beginning of the coup to the end, he did not do a little self-help resistance? Is it because of incompetence? Of course not, at this time, Yu Qian, as the military secretary of the military department and the governor of the military affairs, was equivalent to the military power of the capital firmly in his hands, and his military ability to attack Vala was even higher than the ugly categories that instigated the coup. According to the evaluation of the Ming Dynasty scholar Tu Long, as long as Yu Qian laid down a heart and suppressed the rebellion that night, it was really "destroying Xu Shi like destroying the decaying ears of La", and Ming Yingzong's dream of restoration would be shattered by Yu Qian in minutes.
After eight years as emperor, Zhu Qiyu gradually became terminally ill. Before that, Zhu Qiyu abolished the crown prince made by his brother and drove Zhu Jianshen from the crown prince. He wanted to make his son crown prince, but was met with unprecedented opposition from his courtiers, so the position of crown prince was vacant for eight years, and if Zhu Qiyu died at this time, then the Ming Dynasty would fall into chaos without a crown prince.
Yu Qian was loyal to the country, if he intervened in the coup d'état without the authorization of Emperor Jingtai, his behavior was inappropriate, and even labeled as a rebellion, more importantly, Xu Youzhen, who had changed the door, had the support of Empress Sun at that time, from this point of view, Yu Qian had no reason to stop it, and the change of the door had become a royal family affair from the nature of the coup.