ARCamera screen size look too small, Unity5.6beta native VR+Vuforia6.2.10

  • Unity version : 5.6.0b9
  • Vuforia version : 6.2.10

I using Unity native vr support write a cardboard and vuforia program, but the camera look too small, look like

My player setting add the virtual reality support and cardboard sdk; No use vuforia built-in cardboard support(Eyeweartype == None).

My project look like [88933-qq截图20170227155412.png|88933]

Same problem, did u solve that?