Who was the male lead of this ancient novel? He had been chained up in a cave by the Empress since he was young.

There was an ancient novel in which the male protagonist was a prince. He was chained up in a cave by the empress since he was young and watched by a Jianghu killer. The female protagonist grew up in the mountains with her family. Later on, she went to the mountains with her friends. The villagers said that there were monsters on the mountains. The female protagonist fell into the cave and saved the male protagonist. Later, the male protagonist left. The female protagonist grew up to start her own business. The male protagonist looked for her, but she ran away every time. In the end, they were still together. Who knows the name of this novel?