the reflection method is lumen, as you can see the floor doesn’t reflect the asteroid(asteroid made by Niagara system), even I switch to other reflection methods the result is the same, so how do I fix it?
CN：反射方式用的是lumen，但是地板并没有反射陨石（陨石是用Niagara生成的），尽管我切换到其他反射方式结果还是一样的，怎么才能修复这个问题？