diff --git a/12_implementation/12.1_arch.md b/12_implementation/12.1_arch.md
index f166a11..c549fd1 100644
--- a/12_implementation/12.1_arch.md
+++ b/12_implementation/12.1_arch.md
@@ -8,10 +8,10 @@ Docker 采用了 **C/S (客户端/服务端)** 架构。Client 向 Daemon 发送
 
 ```mermaid
 graph LR
-  C1["客户端"] -->|docker run| D["dockerd\n守护进程"]
+  C1["客户端"] -->|docker run| D["dockerd<br/>守护进程"]
   C1 -->|docker pull| D
-  D -->|管理| C2["Containers\n容器"]
-  D -->|管理| C3["Images\n镜像"]
+  D -->|管理| C2["Containers<br/>容器"]
+  D -->|管理| C3["Images<br/>镜像"]
 ```
 ---
 
@@ -71,7 +71,7 @@ flowchart TD
   B["OCI Bundle"]
   S["Containerd-shim"]
   R["Runc"]
-  P["容器进程\nnginx"]
+  P["容器进程<br/>nginx"]
   E["退出"]
 
   U -->|1. REST API| D
diff --git a/14_kubernetes_setup/14.1_kubeadm.md b/14_kubernetes_setup/14.1_kubeadm.md
index b8b447a..f082d12 100644
--- a/14_kubernetes_setup/14.1_kubeadm.md
+++ b/14_kubernetes_setup/14.1_kubeadm.md
@@ -261,15 +261,15 @@ $ kubectl apply -f https://raw.githubusercontent.com/flannel-io/flannel/v0.28.2/
 如果用 `kubeadm` 部署一个单节点集群，默认情况下无法使用，请执行以下命令解除限制
 
 ```bash
-$ kubectl taint nodes --all node-role.kubernetes.io/master-
+$ kubectl taint nodes --all node-role.kubernetes.io/control-plane-
 
-# 部分较新版本使用 control-plane taint
+# 较旧版本使用 master taint
 
-# $ kubectl taint nodes --all node-role.kubernetes.io/control-plane-
+# $ kubectl taint nodes --all node-role.kubernetes.io/master-
 
 # 恢复默认值
 
-# $ kubectl taint nodes NODE_NAME node-role.kubernetes.io/master=true:NoSchedule
+# $ kubectl taint nodes NODE_NAME node-role.kubernetes.io/control-plane=true:NoSchedule
 
 ...
 ```
diff --git a/14_kubernetes_setup/14.2_kubeadm-docker.md b/14_kubernetes_setup/14.2_kubeadm-docker.md
index 5b86a40..da5a9fb 100644
--- a/14_kubernetes_setup/14.2_kubeadm-docker.md
+++ b/14_kubernetes_setup/14.2_kubeadm-docker.md
@@ -278,15 +278,15 @@ $ kubectl apply -f https://raw.githubusercontent.com/flannel-io/flannel/v0.28.2/
 如果用 `kubeadm` 部署一个单节点集群，默认情况下无法使用，请执行以下命令解除限制
 
 ```bash
-$ kubectl taint nodes --all node-role.kubernetes.io/master-
+$ kubectl taint nodes --all node-role.kubernetes.io/control-plane-
 
-# 部分较新版本使用 control-plane taint
+# 较旧版本使用 master taint
 
-# $ kubectl taint nodes --all node-role.kubernetes.io/control-plane-
+# $ kubectl taint nodes --all node-role.kubernetes.io/master-
 
 # 恢复默认值
 
-# $ kubectl taint nodes NODE_NAME node-role.kubernetes.io/master=true:NoSchedule
+# $ kubectl taint nodes NODE_NAME node-role.kubernetes.io/control-plane=true:NoSchedule
 
 ...
 ```