Shadertoy can't import to ISF

Shadertoy can’t import to my ISF Editor,It’s (show Network Error"99").
Every advices is helpful,thx!

Hey Bruce!

This is a known issue currently on Windows, and should be fixed in the next update, which we’ll be releasing soon!

See this issue note on the GitHub page for more info,
https://github.com/mrRay/VVISF-GL/issues/3