General guarding the city mini game

General guarding the city mini-game strategy:The background is the Qin Dynasty in ancient China. Qin Shihuang is working on connecting the Great Wall in the north. You are one of Qin Shihuang's generals. You want to expand the territory through conquests from east to west and give the taxes obtained to Qin Shihuang.
You must earn 5,000 gold at each level. If you fail to achieve the goal, Qin Shihuang will deduct 250 gold from your next battle.
Work hard to serve the emperor and complete the architectural miracle in history - the Great Wall to resist the invasion of the Huns from the north.
Once you enter the game, there are tutorials to watch. Press Next to see the next step, and press Skip to skip the tutorials.
Gameplay: Basically a real-time strategy control method.
After clicking (or circling) the unit, press the target to move forward. If the target is an enemy, it will automatically fight.
When specifying a destination, press [Ctrl] and drag the mouse to specify the route.
Walking the archer to the city wall allows the archer to automatically shoot at the position.
You are the one wearing golden armor and riding a white horse - General!
[←→↑↓] Mobile map
Below is a list of resources:
Battle: number of battles
Units: Number of people on our side
Enemy: Number of enemies
Gold: funds
Click on the person on the right side of the resource to buy soldiers or city walls, but you must pay attention to your funds. The goal of each level must reach 5,000 gold!