ALKAID LCD Light Curing Resin 3D Printer

Hi ! I have bought an Alkaid printer the alst year, for many reasons, I print with her only this weeks. I unconter many problems with the adesion of my resin. After many test, I have understand and saw to the problem coming to my plater. The niveling is not the same in all the platform. What is possible to do ? thank you by advance