problem description:

unity3D has successfully connected to the oculus helmet, and can carry out front and back movement and rotation operations in the u3D compiler, but an error has been reported in the unity console, as shown in the figure below,

Virtual Reality SDK oculus failed to initialize.

1. new project. No error will be reported after creating a new project, but the helmet is still not shown, and the same error will be opened again after closing the project.
2. reimport oculus package, https://stackoverflow.com/questions/58744920/virtual-reality-sdk-oculus-failed-to-initialize said doesn ‘t work. I didn’t try, I didn’t know
3. is looking for… I update the
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   update, this equipment has been abandoned, no display of helmet should be separately display did not set up in a computer.