The problem that thin boxes do not collide

Hi
Thin boxes do not collide.
For example

collision
geometry
box size=“0.386 0.386 0.00065”
geometry
collision

I want to collide even with such a thin box, is it possible?

After some trial and error, the problem was solved.
It seems that there was a problem with the .obj file on the side that collides with’box’, not ‘box’.
There seems to be a problem when using ‘Blender’.

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