What is the writing time and background of Xi Murong's poem I? What kind of feeling is expressed?

The whole poem gives people a heavy feeling, and the words are like running water; Calm, but thoughts roll; Sadly, I can't conceal my helplessness in life. In Xi Murong's poems, a person's eyes, forehead, hair and hands are all deeply sketched with sadness and wandering, and then they are gently painted with watercolors of missing and years. Under this mask carved by years, "we passed by at the corner" is indifferent, and the hearts are separated by hundreds of thousands of miles. No one knows who else. Two people are like pedestrians passing by in the street every day, and no one has left their hearts to anyone. Wait until after passing by, perhaps only to find that strange face is so familiar. Then turn around, but "he" has disappeared in the tide of the crowd and can't be found. The fate of meeting was missed like this, and then it naturally led to a series of sighs: Did Shaoguang change your face or are we the people who make up for ourselves? "Please don't blame the young man.