diff --git a/content/zh/docs/tutorials/stateful-application/basic-stateful-set.md b/content/zh/docs/tutorials/stateful-application/basic-stateful-set.md
index 81a6b1b3566cb..51ca68c4100c2 100644
--- a/content/zh/docs/tutorials/stateful-application/basic-stateful-set.md
+++ b/content/zh/docs/tutorials/stateful-application/basic-stateful-set.md
@@ -480,7 +480,7 @@ web-2   k8s.gcr.io/nginx-slim:0.8
 `web-0` has had its image updated, but `web-0` and `web-1` still have the original 
 image. Complete the update by deleting the remaining Pods.
 
-​```shell
+```shell
 kubectl delete pod web-1 web-2
 pod "web-1" deleted
 pod "web-2" deleted
@@ -489,7 +489,7 @@ pod "web-2" deleted
 
 观察 StatefulSet 的 Pod，等待它们全部变成 Running 和 Ready。
 
-```
+```shell
 kubectl get pods -w -l app=nginx
 NAME      READY     STATUS    RESTARTS   AGE
 web-0     1/1       Running   0          8m