Online Folder Emty

Hello
i am new i use serviio a long time on a synology nas i try to look online video streams
but nothing works...

i copy a list of groovy files in DS filesystem /public/serviio/plugins
Example CzechTV.groovy

i add a video stream in online content in servio console on android
Example http://www.ceskatelevize.cz/ivysilani/1 ... -z-centra/

i stop the serviio server i start it an refresh the content

and in my samsung or somthing dlna come only a emty online folder

what made i wrong

please help me