Just joined Fstoppers yesterday and this is the first group I joined!

Hi Pichan, welcome to the community.
So, going by your description you are interested in product photography, and you are a year into being a professional photographer. Do you have any recent work? I ask because I feel these first years after our education are of rapid evolution, so I am interested in seeing what you've done recently. Also because these class shots are always guided, so they don't really show your vision as much as the professor's.
Anyway, about this image, first thing I feel is the light used for the liquid transmittance is a little hot, it overpowers everything in your image, specially the label, which should be the center of attention. Also on this light, you must've used the diffuser on one of those 5 in 1 reflectors, at least that's where I've seen this happening, because the fabric has some sheen to it, the light behind it creates these cross streak's that are visible on you bottle (above the label is the center cross). Usually a diffuser like roscoe or lee filters works best, but I had success using tracing paper.
Other little things, your label is underexposed, a top light could've light it nicely without many reflections, or a stronger softbox to the side to create stronger contour and light the label better, stripboxes behind diffuser, etc. Many options there could've worked out. Stronger background light to bring it closer to the bottle's transmittance light, would help to make it believable it's the same light, and the glass also needs a transmittance light like the bottle, they are very nearly the same materials, so should have similar lighting.
Maybe glass has to much water, as it looks like the beer has been poured a while now, so it has lost that freshness. Many use frost in the glass, like it's so freshly poured that it still has the cold frost and didn't start to sweat, or if sweaty, it's still little beads of water, communicate that the beer is fresh, and bubbly, just poured.
One final point, in your composition you chose a glass smaller than the bottle, and placed them side by side, so it's very apparent the difference in height between both. You could use a taller glass, that wouldn't be out of context with this kind of beer, or if this was the specific glass you had to use, changing composition to have the glass in first plane and lower your pov, you could minimize the difference, or maybe with a higher pov and put the glass behind with the bottle closer to the camera. Many options there. I have a beer shot in my photos that I had this same problem, so I chose to place the glass camera first, bottle second, and shot with the table at an angle, so the bottle would sit lower than the glass (check attached shot for what I'm talking about). I also would've preferred a tighter composition, but that's my problem, so don't worry about that.
Sorry for the long answer, I hope it won't dissuade you from trying this shot again, i would very much like to see your evolution.
Best.