rapier3d Why I fill down for the plane sometimes?

[zzhgithub]

I used rapier3d。 sometimes it works but I can fill down sometimes like pic.How to fix it ?
code its on https://github.com/zzhgithub/just_join/tree/player
Thank you,

[Vrixyz]

It looks like you are creating your colliders asynchronously, maybe your player did fall through when the map was not properly loaded yet ?