There were many, many things that Ye Chong needed to attend to.
Shooting practice was absolutely necessary. If he could become an effective long range attacker, he would no longer be so helpless against shooters, especially when he was in his mech. This skill was crucial for his survival, and must be prioritized above all else.
Modifying his base was a massive and long term operation. With a basic defense system in place, his safety was at least not a concern. This job can be delayed for later.
Studying the contents of the three chips from Kui was an equally long and laborious effort. There was so much knowledge in those chips that Ye Chong could not possibly hope to master them all in his lifetime. Nevertheless, he had no choice, for he needed to get back home. How could he stay here? Mu, Shang, Rui Bing, the Sang Tribe … Ye Chong suddenly realized that he was no longer the isolated and lonely young man he once was.