Install OpenHAB2 on Synology - Blanck

I had trouble getting OpenHAB2 to work with IHC binding. But the OpenHAB2 itself worked. I tried to uninstall to reinstall (OpenHAB-, but now I get a blank screen when I go to MYIP:8080/start/index. It seems openHAB2 it is not installed. The installation made 3 files in /Volume1/@appstore/openHAB2:,, On my Synolog DS in made a folder “Public” i don’t know why this is
necessary, but read in this forum that it was to be able to change .cfg files.