Project role deleted monthly

my cluster is running 66days,i get some user in my cluster and asign Project Member to test project,but every month,the project members will be clan up ,is any setting to control the lifecycycle of the project member
Rancher version:2.6.4
Kubernetes version: v1.23.5
Installation option : heml
Cluster Type: local

Uploading: 1654744604640.jpg…