Hey, Why Is This Tang Dynasty Different?

This is my first time writing, and I tend to prefer humor. If you don't like it, don't criticize it. Please give me some advice... Datang: Liu Mang looked at the middle-aged man in bright clothes in front of him with a confused expression... The middle-aged man in Jinyi grabbed Liu Mang's hand with a look of joy and said: "Well, we in the Tang Dynasty need talents like you. Come and join our Duke of the Tang Dynasty... Ahem, come to the court." Liu Mang said with a dark face: "I have ten strategies that can help Datang. With one strategy, the treasury will be rich instantly, and it will be inexhaustible!" The middle-aged man in Jinyi immediately became excited when he heard this: "Tell me, which ten strategies are they? I can give you whatever you want! Official title? Title? Or fief?" "What?! This kid can actually build a city wall stronger than a city wall in an instant?" "What?! He actually knows where there is a thousand kilograms of grain per acre? Hurry up and ask this kid where the divine object is. I will personally lead the army to get it back!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.