text: Title: BUG: incorrect memory info when GPU is available
  Body: ### Describe the bug
  When GPU is available, the amount of memory showed in the dashboard is not correct. Looks like the GPU memory is included.
  
  Also, the resource page cannot be accessed.
  
  ### To Reproduce
  Create an Xorbits cluster on a host with GPU.
  
  1. Your Python version
  3.9.15
  2. The version of Xorbits you use
  0.2.0+5.gf204d77
  