I have installed it on my TS-221 device. But I can't log into BTS. There isn't any respond after redirecting http://NAS IP:8080/BTSync/index.html http://NAS IP:8080/BTSync/index2.html http://NAS IP:8080/BTSync/index3.html I have tried the both buttoms "Apply changes" and "Discard changes“。 It doesn't word. Could I change those situation? Many thx.