Gucheng in the Late Ming Dynasty

Ning Yuan's soul travels to Yingzhou in the eighth year of Chongzhen. The historical Yingzhou city was invaded by the invaders. His ancestors were almost wiped out in this turmoil. Ning Yuan came to this troubled time to rewrite history, build Yingzhou into the most resilient isolated city in the late Ming Dynasty, and defend the last piece of the Ming Dynasty. Tian Liya, who is also a time traveler, has a completely different fate from Ning Yuan. She traveled to a village in the late Ming Dynasty with modern items, and was mistaken by the local people for being a living god. How did she gain stability in this troubled world? How do two time travelers recognize each other in this troubled world, and then build a new Ming Dynasty together.