contrast

needs another element which you should make sure you subdivide so you have a fast slow thing going, in order to make it more interesting

Not bad

First thing that caught my ear was the lack of variation. Change up the pace a bit, change some notes in your chord progression. It gets boring when you repeat it over and over.

Lastly, the second half of the song didn't go any where. Remember, a song has to have a story. Make an intro, then a part a, breakdown, part b, outro. That's a basic structure for almost any kind of song.

You should look up some music theory tutorials online. Knowing at least some music theory could do wonders for you.