diff --git a/dm/dm-worker-intro.md b/dm/dm-worker-intro.md
index 11ad646f4a4e..4e77bcb619f4 100644
--- a/dm/dm-worker-intro.md
+++ b/dm/dm-worker-intro.md
@@ -57,7 +57,7 @@ Binlog replication/sync 处理单元读取上游 MySQL/MariaDB 的 binlog event
 {{< copyable "sql" >}}
 
 ```sql
-GRANT RELOAD,REPLICATION SLAVE, REPLICATION CLIENT ON *.* TO 'your_user'@'your_wildcard_of_host'
+GRANT RELOAD,REPLICATION SLAVE, REPLICATION CLIENT ON *.* TO 'your_user'@'your_wildcard_of_host';
 GRANT SELECT ON db1.* TO 'your_user'@'your_wildcard_of_host';
 ```