Why couldn't i apply for my education discount?

Students
#1

I’m an senior high student in BeiJing, China, and i have uploaded my student id like this:
sen
And there is my name, student id, photo, and the year i entrance my school.(2016) Why i was rejected?

#2

I am not entirely sure, but is 2016 your year of course completion? If so, that might be the case.