Song Renzong called it "go shallow and sing low, why not float the name!" Is it because which poet wrote which word in the Song Dynasty?

Appreciation of Liu Yong's Crane Into the Sky

Gold list. I lost hope. The temporary legacy of the Ming dynasty. If you fail, you must struggle. There's no need to talk about mourning. A talented scholar and poet naturally wears white clothes. Yanhua alley is a stranger, as Danqing barrier. Fortunately, there are people in the right place, I can look for them. And snuggled up to the red jade, had an affair, and life was smooth sailing. Youth is a soldier. Endure superficial fame and sing shallowly.

The word Liu Yong is accompanied by a famous story. According to Wu Zeng's "Notes on the Sixteen-year Reform of Zhai", Song Renzong posted a list in Lin Xuan, saw the name of Liu Sanbian (Liu Yong's original name), remembered a sentence in his poem "He" and said, "Why don't we sing in a shallow way?" Put him down. As a result, he had to claim to "write lyrics in sequence" and continue to live a life of lingering in the square. It is difficult for us to guess how true this story is; However, the word Liu Yong has the prodigal thought that violates feudal norms, but it is true.