What is the emotion behind the sound of banana rain in poetry appreciation?

" "The sound of banana rain" highlights the author's anxiety because he cannot return to his hometown, but there is no way to relieve his anxiety. At this time, the sound of banana rain becomes more and more annoying.

2. "Ask me about the date of return. " is the central sentence of the word, from which the sad and melancholy atmosphere unfolds. The word ends with a dream,