diff --git a/en/enable-tls-between-components.md b/en/enable-tls-between-components.md
index 340050b628..fccee12d2d 100644
--- a/en/enable-tls-between-components.md
+++ b/en/enable-tls-between-components.md
@@ -1631,7 +1631,7 @@ In this step, you need to perform the following operations:
     {{< copyable "shell-regular" >}}
 
     ``` shell
-    kubectl exec -it ${cluster_name}-pd-0 -n ${namespace} sh
+    kubectl exec -it ${cluster_name}-pd-0 -n ${namespace} -- sh
     ```
 
     Use `pd-ctl`:
@@ -1650,7 +1650,7 @@ In this step, you need to perform the following operations:
     {{< copyable "shell-regular" >}}
 
     ``` shell
-    kubectl exec -it ${cluster_name}-tikv-0 -n ${namespace} sh
+    kubectl exec -it ${cluster_name}-tikv-0 -n ${namespace} -- sh
     ```
 
     Use `tikv-ctl`:
diff --git a/en/enable-tls-for-dm.md b/en/enable-tls-for-dm.md
index a3db241cd2..15f11109ab 100644
--- a/en/enable-tls-for-dm.md
+++ b/en/enable-tls-for-dm.md
@@ -548,7 +548,7 @@ Get into the DM-master Pod:
 {{< copyable "shell-regular" >}}
 
 ``` shell
-kubectl exec -it ${cluster_name}-dm-master-0 -n ${namespace} sh
+kubectl exec -it ${cluster_name}-dm-master-0 -n ${namespace} -- sh
 ```
 
 Use `dmctl`:
diff --git a/zh/enable-tls-between-components.md b/zh/enable-tls-between-components.md
index beab278d17..5b68255e38 100644
--- a/zh/enable-tls-between-components.md
+++ b/zh/enable-tls-between-components.md
@@ -1617,7 +1617,7 @@ aliases: ['/docs-cn/tidb-in-kubernetes/dev/enable-tls-between-components/']
     {{< copyable "shell-regular" >}}
 
     ``` shell
-    kubectl exec -it ${cluster_name}-pd-0 -n ${namespace} sh
+    kubectl exec -it ${cluster_name}-pd-0 -n ${namespace} -- sh
     ```
 
     使用 `pd-ctl`：
@@ -1636,7 +1636,7 @@ aliases: ['/docs-cn/tidb-in-kubernetes/dev/enable-tls-between-components/']
     {{< copyable "shell-regular" >}}
 
     ``` shell
-    kubectl exec -it ${cluster_name}-tikv-0 -n ${namespace} sh
+    kubectl exec -it ${cluster_name}-tikv-0 -n ${namespace} -- sh
     ```
 
     使用 `tikv-ctl`：
diff --git a/zh/enable-tls-for-dm.md b/zh/enable-tls-for-dm.md
index 1a6755597a..e1daaaf199 100644
--- a/zh/enable-tls-for-dm.md
+++ b/zh/enable-tls-for-dm.md
@@ -521,7 +521,7 @@ spec:
 {{< copyable "shell-regular" >}}
 
 ``` shell
-kubectl exec -it ${cluster_name}-dm-master-0 -n ${namespace} sh
+kubectl exec -it ${cluster_name}-dm-master-0 -n ${namespace} -- sh
 ```
 
 使用 `dmctl`：