I Was a Traitor in the Song Dynasty and Modern Times

Time travel? Rebirth? Teleport! ! ! Lu Tao accidentally crashed the car into his own backyard! With this collision, my little steel cannon PRO turned into a portal! From then on, Lu Tao ran between modern times and the Song Dynasty in another world... Lu Tao brought the cultural relics and antiques of the Song Dynasty to a modern auction and made a lot of money! Then bring modern technology and hard work to the Song Dynasty, so that the people of the Song Dynasty will no longer starve! By the way, improve the weapons and equipment of the Song Dynasty army, and let them deal with the people who had a good life...