What is the author's purpose in writing "Taoli" in Wei Zihua?

Du Mu

Autumn dew in Xiao Ying is a new branch, which does not occupy most of the spring in the garden.

What happened to peaches and plums? They laugh at sunny people in the wind.

In summer and autumn, crape myrtle blossoms, peaches and plums are gorgeous and have disappeared. This sentence sets off the uniqueness of Wei Zi with peaches and plums, and sets off the beauty and long flowering period of Wei Zi with peaches and plums. Wei Zi Hua, written by Du Mu, is lyrical and boastful, and is called Du Wei Zi.