He and the Princess: Prince Leng's Heart Loves Her so Much That She Is so Loved

A modern business tycoon/military industry expert traveled through time and became a weak and bullied marriage princess. He has a decisive character in killing, must avenge his enemies, and has a superior IQ. Carrying a huge portable space (containing a modern weapons arsenal, seeds, medicine, and knowledge base), the heroine uses modern knowledge + space golden fingers to go from nothing to riches, from being ignored to being admired by everyone, and joins hands with the male protagonist to beat the scum in the face and dominate the world.