Siheyuan, Soul Transmigration, and Fleeing Famine to the Capital from the Start

The male lead's soul enters the body of a teenage boy. On the road, he meets a group of refugees and becomes part of a family with several of them, including grandparents, uncles, and aunts. Later, he goes to the Soviet Union to study, where his wife is the daughter of a teacher. She later returns to China with him and takes Chinese citizenship. The protagonist has a System and supernatural abilities. Please help me find this book.