What emotion does Qi Danbu's A Night of Acacia express?

Qi Danbu's The Night of Acacia expresses his yearning for his relatives and hometown. According to relevant records, on the night of Mid-Autumn Festival, Mr. Yu Qixiang, who was away on business, wrote this song, expressing his thoughts about his relatives and hometown. In addition, Qi Danbu's original ecological voice, like tears, expresses his feelings incisively and vividly.