At the beginning, my son was endangered, and the system finally recovered

Introduction: Ye Xu has traveled through time, but he has also grown old, but the system has been dormant.Fortunately, he has a big son who is a cultivator, and he occasionally brought back some life-prolonging things, which allowed him to live a long life.It wasn't until the system finally recovered as it approached its [-]th birthday, and got some compensation at the beginning, but it never occurred to him that the eldest son was suddenly carried back and was on the verge of death...