Looking for a Novel About Submitting Technology to the Nation. Please Help, Everyone 找本小说，上交国家类的，求求了家人们

Story synopsis: The male lead and his friends go on a trip. Later, they discover a doorway to another world in the mountains. They investigate and find a primeval forest full of dangerous animals. They contact his family and report it to the government, which then seals off the surrounding area. Later, the male lead joins the advance team and enters the other world. He discovers that he can cultivate, making him one of the first people able to do so. I think there’s a System, and it seems to have just one female lead.