How do I redirect the temp directory to a RAM disk?

[chendaohao]

I have tried changing the directory to this format.

But it throws an error like this

So I commented out this line of code, but in the previewnode, it no longer shows the image.

As i said how do I redirect the temp directory to a RAM disk?

[ltdrdata]

Use --temp-directory cli option

[chendaohao]

thanks！