Return to Datang with the Golden Finger of the System

Liu Wen traveled to the Tang Dynasty with the golden finger of the system. He originally wanted to save his life, but in the end he became the pillar of the court and Li Shimin's confidant. This article only gives the protagonist a system cheat to help the protagonist bring modern seeds, technologies, etc. To the Tang Dynasty. The system has no other function. This article is inconsistent with the real history, please mark it out if you mind, thank you!