Saving All Mankind from Time Travel

The body is miserable and weak. Which one is stronger, genetic ascension or mechanical ascension? Space Zerg, mechanical life, how many hidden civilizations are there in the universe? Huge ships, cannons, sharp fangs, war is about to break out. Jiang Yuan travels to Blue Star ten years after the end of a full-scale nuclear war. The environment has deteriorated and beasts have mutated. How can Jiang Yuan lead mankind to break the status quo and move towards revival?