Technology Invades Modern Times, Is This the Truman World?

An awakening gave Li Nuo the ability to travel through time and space through video. And changed everything he wanted to change, but as the fog shrouding the world gradually lifted... "God No, you have saved hundreds of millions of human beings and achieved technological immortality. You once said a very famous saying: You said you could change everything, right? " "So, what can you change about the prediction of the greatest scientist of this century: that mankind will eventually die?" "No, I don't want to change anything this time..." "I just want to write the whole world with my own hands!" (This book is also called "Science Fiction Version of The Truman Show")