Siheyuan: Space takes me to exchange!

Li Xiuyuan, a college graduate, went drinking with a group of roommates at night to celebrate the end of their unforgettable college life. Unexpectedly, they met people who were drinking and making trouble, and the two sides were on the verge of a fight! During the fight, Li Xiuyuan was unlucky enough to be cut in the carotid artery with a beer bottle. He died. When Li Xiuyuan opened his eyes again, he found that he had become Li Xiuyuan, a buyer of a steel rolling mill in the 1960s! And he lived in a courtyard full of beasts. When Li Xiuyuan returned home, he found that his house had been visited by the "King of Thieves" many times, and even the house was lent to other people by the people in the courtyard. Can Li Xiuyuan tolerate this? Of course not! Then stop talking and do it! A short introduction...