diff --git a/docs/en/docs/Virtualization/environment-preparation.md b/docs/en/docs/Virtualization/environment-preparation.md
index e3b68a4f6c4cd4611bf9503ce3ca189b83f55590..7e595a0a5ca1131c4b31c67513979174ea3a9d3f 100644
--- a/docs/en/docs/Virtualization/environment-preparation.md
+++ b/docs/en/docs/Virtualization/environment-preparation.md
@@ -179,7 +179,7 @@ If the Open vSwitch is used to provide virtual network, you need to install the
 2.  Start the Open vSwitch service.
 
     ```
-    # systemctl start openvswitch
+    # service openvswitch start
     ```
 
 
@@ -242,7 +242,7 @@ Check whether the Open vSwitch components, openvswitch-kmod and openvswitch, are
 3.  Check whether the Open vSwitch service is started successfully. If the service is in the  **Active**  state, the service is started successfully. You can use the command line tool provided by the Open vSwitch. The command and output are as follows:
 
     ```
-    # systemctl status openvswitch
+    # service openvswitch status
     ● openvswitch.service - LSB: Open vSwitch switch
        Loaded: loaded (/etc/rc.d/init.d/openvswitch; generated)
        Active: active (running) since Sat 2019-08-17 09:47:14 CST; 4min 39s ago
diff --git "a/docs/zh/docs/Virtualization/\345\207\206\345\244\207\344\275\277\347\224\250\347\216\257\345\242\203.md" "b/docs/zh/docs/Virtualization/\345\207\206\345\244\207\344\275\277\347\224\250\347\216\257\345\242\203.md"
index 2d65647994d3c8720fe4721e4fc2af564642ecf2..f5394250c1adabb393a8c08f0027ee99cdc2dc8d 100644
--- "a/docs/zh/docs/Virtualization/\345\207\206\345\244\207\344\275\277\347\224\250\347\216\257\345\242\203.md"
+++ "b/docs/zh/docs/Virtualization/\345\207\206\345\244\207\344\275\277\347\224\250\347\216\257\345\242\203.md"
@@ -181,7 +181,7 @@ Open vSwitch网桥，具有更便捷的自动化编排能力。搭建Open vSwitc
 2.  启动Open vSwitch服务。
 
     ```
-    # systemctl start openvswitch
+    # service openvswitch start
     ```
 
 
@@ -244,7 +244,7 @@ Open vSwitch网桥，具有更便捷的自动化编排能力。搭建Open vSwitc
 3.  查看Open vSwitch服务是否启动成功。若服务处于“Active”状态，说明服务启动成功，可以正常使用Open vSwitch提供的命令行工具，命令和回显如下：
 
     ```
-    $ systemctl status openvswitch
+    $ service openvswitch status
     ● openvswitch.service - LSB: Open vSwitch switch
        Loaded: loaded (/etc/rc.d/init.d/openvswitch; generated)
        Active: active (running) since Sat 2019-08-17 09:47:14 CST; 4min 39s ago