在机器上先部署了k8s v1.13环境的集群，然后成功部署了kubesphere2.1.1，一开始的时候都是正常的，一段时间后，kubectl 和kubelet突然变成了 v1.19版本的，并且集群现在处于not ready的状态，kubesphere是否会更改k8s版本？
[root@kubesphere xuc]# kubectl version
Client Version: version.Info{Major:"1", Minor:"19", GitVersion:"v1.19.0", GitCommit:"e19964183377d0ec2052d1f1fa930c4d7575bd50", GitTreeState:"clean", BuildDate:"2020-08-26T14:30:33Z", GoVersion:"go1.15", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"13", GitVersion:"v1.13.1", GitCommit:"eec55b9ba98609a46fee712359c7b5b365bdd920", GitTreeState:"clean", BuildDate:"2018-12-13T10:31:33Z", GoVersion:"go1.11.2", Compiler:"gc", Platform:"linux/amd64"}
[root@kubesphere xuc]# kubelet --version
Kubernetes v1.19.0
