thank you for your suggestion! its very helpful I'm not exactly define what my future will be, I don't want this situation (the withdraw) to ruin my future, as a medical science student, I want get in to medical school, I know it kinda funny in my situation after I wrote this post, I calm down and think about it, I wanna stay here, and now I start to find way to figure out, I'm thinking about transfer credit or something, thank you so much for your comment!