for help:my setsimulatephysics(true) after, montage Don't work.

Development Programming & Scripting C++
1

Hi,
my CapsuleComponent->setsimulatephysics(true) after,play montage, but stop In the first frame.When I put the montage Enable Root Motion Translation set false，Don’t stop In the first frame.
Don’t setsimulatephysics(true) can’t use root Motion ?