Siheyuan: I Brought a Notebook with Me During My Time Travel

He Yu traveled through time and became a fool, and even brought his Apple notebook with him. Knowing the fate of the whole hospital, he decided to guard against Qin Huairu first, and then guard against the stick. Facing the blood-sucking plot that is about to begin, how will this "silly pillar" with a God's perspective break the situation?