fixed platform bug for ubuntu
fixed platform bug for ubuntu

RydrDojo/Ridr,RydrDojo/Ridr_app,RydrDojo/Ridr_app,RydrDojo/Ridr,RydrDojo/Ridr_app,RydrDojo/Ridr,RydrDojo/Ridr_app,RydrDojo/Ridr,RydrDojo/Ridr_app,RydrDojo/Ridr