4.22 niagara Collision 使用无效,该怎么解决呢

在4.22版本中,我是用Niagara做一个,落叶落后,与地面有一个简单的碰撞效果,但是多次使用,始终没有效果产生。不知道该怎么解决

Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://epicsupport.force.com/unrealengine/s/

Thanks