更新kubenetes 到 1.6.14 版，完美修复，@Jeff
# kubectl version
Client Version: version.Info{Major:"1", Minor:"16", GitVersion:"v1.16.14", GitCommit:"d2a081c8e14e21e28fe5bdfa38a817ef9c0bb8e3", GitTreeState:"clean", BuildDate:"2020-08-13T12:33:34Z", GoVersion:"go1.13.15", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"16", GitVersion:"v1.16.14", GitCommit:"d2a081c8e14e21e28fe5bdfa38a817ef9c0bb8e3", GitTreeState:"clean", BuildDate:"2020-08-13T12:24:51Z", GoVersion:"go1.13.15", Compiler:"gc", Platform:"linux/amd64"}
kubesphere-monitoring-system node-exporter-qpzwd 2/2 Running 4 4d17h
kubesphere-monitoring-system node-exporter-qqwwk 2/2 Running 4 4d17h
kubesphere-monitoring-system prometheus-operator-78c5cdbc8f-xtm5c 2/2 Running 194 16h
kubesphere-system etcd-85c98fb695-kxn6r 1/1 Running 2 3d17h
kubesphere-system ks-apiserver-77fd788d9f-p7d9z 1/1 Running 0 43h
