 istio.istio-pilot-service-account                    istio.io/key-and-cert                 3         14d
istio-system   istio.istio-sidecar-injector-service-account         istio.io/key-and-cert                 3         14d
istio-system   istio.prometheus                                     istio.io/key-and-cert                 3         14d
kube-public    istio.default                                        istio.io/key-and-cert                 3         14d
.....
</code></pre><p>然后检查证书是否