diff --git a/content/en/docs/Toolreference/gaussdb.md b/content/en/docs/Toolreference/gaussdb.md
index 3e025f57f6a2ac8a6264226b7974c6a7b9a0efec..e42c2bd927d1f5a356be190080f553273f109d56 100644
--- a/content/en/docs/Toolreference/gaussdb.md
+++ b/content/en/docs/Toolreference/gaussdb.md
@@ -464,7 +464,7 @@ Use  **-D**  to provide the correct path of the database directory for the serve
 2.  Run the following command to start gaussdb with a specified port, for example, 1234:
 
     ```
-    gaussdb --singlenode -p -D data_dir
+    gaussdb --single_node -p -D data_dir
     ```
 
     To connect to this server using gsql, specify this port with the -p option:
diff --git a/content/en/docs/Toolreference/pg_controldata.md b/content/en/docs/Toolreference/pg_controldata.md
index 8b45a1f5db9d6e81ef446b713da6bc8226f25b5f..370b41d3ec91d7d3abe68df261b490da49d652f7 100644
--- a/content/en/docs/Toolreference/pg_controldata.md
+++ b/content/en/docs/Toolreference/pg_controldata.md
@@ -13,7 +13,7 @@ Ensure that the data directory is correct and the  **pg\_control**  file exists
 -   Check the control file information.
 
     ```
-    pg_controldata [DATADIR]
+    pg_controldata DATADIR
     ```
 
 -   Display the version number.
@@ -25,8 +25,7 @@ Ensure that the data directory is correct and the  **pg\_control**  file exists
 -   Display help information.
 
     ```
-    pg_controldata 
-    -? | --help
+    pg_controldata -? | --help
     ```
 
 
diff --git a/content/zh/docs/Toolreference/gaussdb.md b/content/zh/docs/Toolreference/gaussdb.md
index 264f5fe748d53afe89c124d6869fbb83a2b09470..304c6214ae7d7d32216d2ccf897003c128d41cef 100644
--- a/content/zh/docs/Toolreference/gaussdb.md
+++ b/content/zh/docs/Toolreference/gaussdb.md
@@ -463,7 +463,7 @@ gaussdb --single -D /usr/local/pgsql/data other-options my_database
 2.  在指定端口启动gaussdb，如1234：
 
     ```
-    gaussdb --singlenode -p -D data_dir
+    gaussdb --single_node -p -D data_dir
     ```
 
     使用gsql与服务器连接，用-p指定端口号：
diff --git a/content/zh/docs/Toolreference/pg_controldata.md b/content/zh/docs/Toolreference/pg_controldata.md
index e96514940fcbab21bc58311fbf29baab62a9b174..b26cb40eeadc278bac265f8462df18ce5db4dcc1 100644
--- a/content/zh/docs/Toolreference/pg_controldata.md
+++ b/content/zh/docs/Toolreference/pg_controldata.md
@@ -13,7 +13,7 @@ pg\_controldata工具用来显示数据库目录下control文件的信息。
 -   查看control文件信息
 
     ```
-    pg_controldata [DATADIR]
+    pg_controldata DATADIR
     ```
 
 -   显示版本号信息
@@ -25,8 +25,7 @@ pg\_controldata工具用来显示数据库目录下control文件的信息。
 -   显示帮助信息
 
     ```
-    pg_controldata 
-    -? | --help
+    pg_controldata -? | --help
     ```