I donot know if it is a right choice to stay at KFC.

I think you should give up that part-time job.
You are a college student and you get intelligence. Why you do these manual and low-paid work? Did you learn much from the job? In fact what you've learn doesn't deserve the effort and time you spend.
Do you know why they employ the college students working for them in KFC? Cause the labour force are cheap, especially the college students. And they know that college students think it is a kind of fashion to work there so some of them even want to gain the job for little, or even nothing.
As a university student, what you will do is to use your brain to earn money and lead a better life. Working by hand is highly praised but working by brain is wiser.

First of all,I would love to know where you are right now? Which city? In china or abroad?
Wherever you are, you should trust yourself! Because you are always the one to make the final decision!
Remember,our great Chairman Mao,he used to read books in