Like Smoke, Willow Fish and Weed

Looking for a Novel in Which the Heroine's Real Name Is Liu Duoduo

I read a very good love novel a long time ago. The male protagonist is a reborn person, and the female protagonist was bought by his family. Her original name was Liu Duduo, but she was later renamed by the male protagonist. I only have so many impressions. Please give me the title of the book.