Running a Farmhouse, I Live Forever by Tampering with Historical Evidence

[System Text] There are so many unsolved mysteries in the five thousand years of history. Did Concubine Yang really die in Mawei Station? What is the truth about the sound of candle shadow and axe? Is Emperor Jianwen dead or alive? There are also a lot of unsettling legends, such as Fu Su's suicide, Wen Ji's distant marriage, Li Bai's drunken drowning, Yu Qian's beheading... When reading history books, I always wonder, what would have happened if it hadn't been like that at the beginning? A time and space tunnel connecting the past and the present quietly opens in the farmhouse run by Su Cheng, uncovering the unsolved mysteries that have been submerged in the years, turning the small gears in the historical trajectory, and time has quietly changed...