Did Mu Xin write it or Fan Xiaochun lend it to me?

It is said that this poem was written by Fan Xiaochun to Mr. Mu Xin, which is also said to be Mr. Mu Xin's own work.

Mu Xin (February 14, 1927-December 21, 211), a master and painter of contemporary literature in China, was regarded as an elite and legend who deeply understood the traditional culture of China in Taiwan Province and new york. Published many books. Born in Dongzha, Wuzhen, Tongxiang, Zhejiang Province in 1927. Sun Pu, whose real name is Yang Zhong, whose name is Mu Xin and whose pen name is Mu Xin. Graduated from Shanghai Academy of Fine Arts. He settled in new york in 1982. He died in his hometown of Wuzhen at 3: on December 21st, 211, at the age of 84.

Fan Xiaochun, director of the Master column of the documentary channel. Born in 1986, a 5 undergraduate in the Department of Radio and Television of Fudan University, she was called a talented woman when she was studying in the school. After graduation, Fan Xiaochun went to work in Shanghai Wenguang. Now she is the director of SMG documentary channel "Master" and is known as a cutting-edge media person of documentary channel. She is interested in music, film, photography and other artistic fields. She has published a book, and Weibo spared no effort to recommend self-made programs, from biographies of historical figures to touching stories of little people, and her words reveal her talents, which are called "talented women" by many netizens.