OK- let's have a look at this.
which published on the website- there are two ways you could do this:
which was published on your website
published on your website
If you use the realtive pronoun 'which', you must include 'was'.
2 I am a fresh man that will graduate from Shanghai University
freshman- one word
as this is formal, I'd way 'who will graduate'
Or, simple 'I will graduate from Shanghai University in XXXX