How to make solid by polycurve?

I am a beginner at dynamo.
I made a composition of node for making solid by polycurve.
The solid are orange color and not created correctly.
Could you please tell me which part is in mistake?
Thank you.

The orange colour solid in Revit is just preview.
To convert dynamo solid to Revit Object, You need to add one more node depends on your needs.
Here is example:

problem solved!
I appreciate your help.