Don't support UWP project

[ChangweiZhang]

I have tried your unity dll library, and it works perfect on PC. But it failed when I try build my unity project to UWP project. The errors look like this:

[veblush]

Oh, thanks for reporting! Because I have never tried UWP, I didn't know this issue before 😄. For hotfix, please read Workaround for UWP and try to do what it says.