diff --git a/docs-cn/10-cluster/02-cluster-mgmt.md b/docs-cn/10-cluster/02-cluster-mgmt.md
index 7142c0b22efe6f7158bed38306837b5cc86ec0f4..6ab8ec091b898e8f441d75ef898dc0ff06fce6be 100644
--- a/docs-cn/10-cluster/02-cluster-mgmt.md
+++ b/docs-cn/10-cluster/02-cluster-mgmt.md
@@ -92,7 +92,7 @@ Query OK, 2 row(s) in set (0.001017s)
 
 在上面的示例中可以看到新创建的 dnode 的状态为 offline，待该 dnode 被启动并连接上配置文件中指定的 firstEp后再次查看，得到如下结果（示例）
 
-```bash
+```
 taos> show dnodes;
    id   |           end_point            | vnodes | cores  |   status   | role  |       create_time       |      offline reason      |
 ======================================================================================================================================