Merge pull request #47207 from my-git9/pp-2653

[zh-cn] sync kubeadm/kubeadm-init.md

content/zh-cn/docs/reference/setup-tools/kubeadm/kubeadm-init.md

@@ -341,12 +341,16 @@ as a learner and promoted to a voting member only after the etcd data are fully
 `PublicKeysECDSA`
 : Can be used to create a cluster that uses ECDSA certificates instead of the default RSA algorithm.
 Renewal of existing ECDSA certificates is also supported using `kubeadm certs renew`, but you cannot
-switch between the RSA and ECDSA algorithms on the fly or during upgrades.
+switch between the RSA and ECDSA algorithms on the fly or during upgrades. Kubernetes
+{{< skew currentVersion >}} has a bug where keys in generated kubeconfig files are set use RSA
+despite the feature gate being enabled.
 -->
 `PublicKeysECDSA`
 : 可用于创建集群时使用 ECDSA 证书而不是默认 RSA 算法。
   支持用 `kubeadm certs renew` 更新现有 ECDSA 证书，
   但你不能在集群运行期间或升级期间切换 RSA 和 ECDSA 算法。
+  Kubernetes {{< skew currentVersion >}} 有一个错误，尽管开启了特性门控， 
+  所生成的 kubeconfig 文件中的密钥仍使用 RSA 设置。
 
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 `RootlessControlPlane`