Dreaming Back to the Past and Present

When I woke up, I found myself in ancient times. Was this a dream? But when I woke up and lay on the bed, I took a breath, but in my hand was something I was good at in ancient times. Can I travel through time? ... Am I mediocre? Impossible, because I can travel through time and see how I dominated the world during the Han Dynasty. Let the whole world belong to China's territory. But there are bound to be bumps and bumps along the way. See if I, Sun, face the difficulties calmly and let the world remember my name - Sun. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.