How does The Night of Returning to Zhou Mi control the whole poem? Combined with the brief analysis of the whole poem, please

The answer "going home at night" means going home late at night. Step 1: Explain the meaning of the words in the poem. It implies two meanings: time is night and event is home. Therefore, it is necessary to look after the image of "night" and the artistic conception in "home". The first sentence directly points out "late at night", and then the poet uses "cold phosphorus" and the last sentence uses "clothes mending lamp" to refer to late at night. The first sentence depicts the tired state of "going home" with crutches, and then shows the desire to go home with the difficulty of walking alone on the ridge and mud road at night. The "mending clothes lamp" in the middle of the night contrasts with the previous difficulties and sadness, further setting off the complicated mood of travelers going home at night, which means