Part time job

Yesterday, I went to part time job. AM/PM. When I went to there, a lot of people come to AM/PM. So I was very busy yesterday. I come to AM/PM at 18:00. I work there from 18:00 to 24:00. So when I finish my part time job, I am very tire!! And my work place give me a little money. So I would like to change my work place. I would like to work in bar because if I work in bar, I could earn more money. But In university, I am very busy now. So I must get more credit. What I must doing?? I would like to change my life. I would like to more clever!! I would like to study English more. [125words]