Question Google VR Cardboard Movement Problem

I just recently started to learn VR mobile like Google VR Cardboard and I encountered a problem. It seems that I can't move my RigidBodyFPSController Character using a Bluetooth controller in the Google VR Cardboard game but if I press the settings in the upper right, it will work properly. I'm using the 2018 standard assets for the RigidBodyFPSControler in Unity 2019.4.29. Does anyone know what's the problem?

I still choose Google VR Cardboard over other VR because it is easier and it is my project for my university that I need to comply with.

Thank you.