C1200

Actually, Fang Rui didn't need to hide this core document. If you didn't have Fang Rui's consent, you would have to bear the legal responsibility if someone else used it, so Fang Rui wasn't afraid, not to mention that Fang Rui had only displayed the tip of the iceberg. You could write the entire core program just by looking at the tip of the iceberg.

If someone could really replicate it