Chongzhen of the Ming Dynasty: Returning from Meishan

The white silk in Meishan is not cold yet, and the moonlight in Qianqing Palace is as bright as yesterday. A man of three generations - the king of the subjugated country, a scholar of Ming history, and the reincarnated emperor - Chongzhen returned to the eve of killing Yuan Chonghuan. This time he remembered nothing. Remember who betrayed you in which year, remember the cracks from which the empire began to crumble. But can we rewrite the ending if we know it?