创建部署问题时，请参考下面模板，你提供的信息越多，越容易及时获得解答。如果未按模板创建问题，管理员有权关闭问题。
确保帖子格式清晰易读，用 markdown code block 语法格式化代码块。
你只花一分钟创建的问题，不能指望别人花上半个小时给你解答。
系统环境：Centos 7.9系统。k8s 1.22版本，kubesphere3.3.1版本 ，基于kubernetes平台最小化安装kubesphere
问题是什么
开启多集群管理方式，发现kubefed-controller-manager的pod一直CrashLoopBackOff, kubectl logs 看日志发现报错报错如下
W0804 02:47:49.609868 1 client_config.go:615] Neither –kubeconfig nor –master was specified. Using the inClusterConfig. This might not work.
I0804 02:47:49.610058 1 controller-manager.go:428] starting metrics server path /metrics
I0804 02:47:49.660695 1 controller-manager.go:225] Cannot retrieve KubeFedConfig “kube-federation-system/kubefed”: kubefedconfigs.core.kubefed.io “kubefed” not found. Default options will be used.
I0804 02:47:49.660721 1 controller-manager.go:328] Creating KubeFedConfig “kube-federation-system/kubefed” with default values
F0804 02:47:49.676414 1 controller-manager.go:299] Error creating KubeFedConfig “kube-federation-system/kubefed”: Internal error occurred: failed calling webhook “kubefedconfigs.core.kubefed.io”: Post “https://kubefed-admission-webhook.kube-federation-system.svc:443/validate-kubefedconfig?timeout=10s”: x509: certificate signed by unknown authority (possibly because of “crypto/rsa: verification error” while trying to verify candidate authority certificate “kubefed-admission-webhook-ca”)
goroutine 1 [running]:
