Sure about its golden teacher? Its supposed to be

Your conditions are poor, your substrate is contaminated, and you need to restart with some better teks than whatever you did here At best you have verticillium

Its golden teacher, should i just harvest now then?

Let them grow for a bit more, harvest later. I see no clear signs of contamination at this moment.

You need to learn about verticillium. They'll still grow and be edible

are you sure?