How to fall into the simulated empire

The simulated empire first built four defenses for the store, and then led the workers into the main road and got stuck in the way. According to the query related public information

1. Build four defenses for the store first, and then open the road after the workers introduce the main road.

Note that the main road connecting the building is broken, and there is another road next to the building.

3. The main road is the road with a small signpost in the upper right corner of the map.

4. Kalu's villa is suggested to be built finally, mainly for plum blossoms. It is suggested that the sooner you build a player's shop, the more you put it, and the store will be closed last.