diff --git a/1. 基础部分/0801_交换机.md b/1. 基础部分/0801_交换机.md
index c08c6d6..e8f59c3 100644
--- a/1. 基础部分/0801_交换机.md	
+++ b/1. 基础部分/0801_交换机.md	
@@ -48,7 +48,7 @@
 
 1. <Huawei>display version：查看版本信息
 
-2. <Huawei>display current-configuration：查看华为网络设备的当前配置
+2. <Huawei>display current-configuration：查看华为网络设备的当前配置，简写：dis cu
 
    - 回车翻行，空格翻页
 
@@ -60,7 +60,7 @@
 
 4. sysname：更改设备名称（需要在用户视图save保存）
 
-   > [Huawei]sysname SW1       //修改设备名为SW1
+   > [Huawei]sysname SW1       //修改设备名为SW1，简写：sy SW1
    >
    > [SW1]display this                 //查看当前视图有效配置
 
@@ -86,10 +86,9 @@
 
    ```
    <Huawei>sy
-   [Huawei]user-interface console 0
-   [Huawei-ui-console0]user-interface console 0
-   [Huawei-ui-console0]authentication-mode password
-   [Huawei-ui-console0]set authentication password cipher 123456	//设置加密密码
+   [Huawei]user-interface console 0	//简写：user-in co 0
+   [Huawei-ui-console0]authentication-mode password	//简写：auth p
+   [Huawei-ui-console0]set authentication password cipher 123456	//设置加密密码，简写：set a p c 123456
    [Huawei-ui-console0]display this
    #
    user-interface con 0
@@ -104,7 +103,6 @@
    ```
    <Huawei>sy
    [Huawei]user-interface console 0
-   [Huawei-ui-console0]user-interface console 0
    [Huawei-ui-console0]authentication-mode password
    [Huawei-ui-console0]set authentication password simple 123456	//设置明文密码
    [Huawei-ui-console0]display this
@@ -119,38 +117,42 @@
 8. 设置交换机闲置会话时间
 
    - [Huawei-ui-console0]idle-timeout 1		//设置闲置会话时间为1分钟
+
    - [Huawei-ui-console0]idle-timeout 0		//永不超时
 
+   - [Huawei-ui-console0]idle-timeout 1440         //设置闲置会话时间为24小时，简写：i 1440
+
+     > 默认闲置会话时间10分钟
+
    ```
    <Huawei>sy
    [Huawei]user-interface console 0
-   [Huawei-ui-console0]authentication-mode password 
+   [Huawei-ui-console0]authentication-mode password
    [Huawei-ui-console0]set authentication password cipher 123456
    [Huawei-ui-console0]idle-timeout 1		//设置闲置会话时间为1分钟
-   [Huawei-ui-console0]idle-timeout 0		//永不超时
    ```
 
 9. 关闭终端提示
 
-   > <Huawei>undo terminal monitor 	//缩写：<Huawei>u t m
+   > <Huawei>undo terminal monitor 	//缩写：u t m
 
 10. 恢复出厂默认设置
 
-   > <Huawei>reset saved-configuration
+   > <Huawei>reset saved-configuration	//简写：res sa
 
    ```
-   <S1>reset saved-configuration
+   <S1>reset saved-configuration	//恢复出厂设置
    Warning: The action will delete the saved configuration in the device.
-   The configuration will be erased to reconfigure. Continue? [Y/N]:y
+   The configuration will be erased to reconfigure. Continue? [Y/N]:y	//是否要恢复出厂设置，选择Y
    Warning: Now clearing the configuration in the device.
    Info: Succeeded in clearing the configuration in the device.
-   <S1>reboot
+   <S1>reboot	//重启
    Info: The system is now comparing the configuration, please wait.
    Warning: All the configuration will be saved to the configuration file for the n
-   ext startup:, Continue?[Y/N]:n
+   ext startup:, Continue?[Y/N]:n	//提示是否保存当前配置，选择N
    Info: If want to reboot with saving diagnostic information, input 'N' and then e
    xecute 'reboot save diagnostic-information'.
-   System will reboot! Continue?[Y/N]:y
+   System will reboot! Continue?[Y/N]:y	//是否重启，选择Y
    ```