diff --git a/docs/user.md b/docs/user.md
index 84c30f9e..c381a0db 100644
--- a/docs/user.md
+++ b/docs/user.md
@@ -25,4 +25,10 @@ More details, you can get it from `sudo grep cockpit /var/log/messages`
 
 #### How to modify Websoft9 port?
 
-Access web console > settings or use cli to modify port
\ No newline at end of file
+Access web console > settings or use cli to modify port
+
+#### 当服务器IP怎么办？
+
+服务器 IP 变更，Websoft9 控制台能够自动适用，即使用新的 IP 访问即可。   
+
+但是，部分没有绑定域名的应用不能自动适用，即当应用无法访问时，您需要需要重新编排应用，将 env 中的 W9_URL 更换新的 IP 后，重建应用。
\ No newline at end of file
diff --git a/install/README.md b/install/README.md
index 8e72f17c..18d1422c 100644
--- a/install/README.md
+++ b/install/README.md
@@ -15,7 +15,7 @@ wget -O install.sh https://websoft9.github.io/websoft9/install/install.sh && bas
 wget -O install.sh https://websoft9.github.io/websoft9/install/install.sh && bash install.sh --port 9000 --channel release --path "/data/websoft9/source" --version "latest"
 
 # install or upgrade Cockpit with parameters
-wget -O - https://websoft9.github.io/websoft9/install/install_cockpit.sh | bash --port 9000
+wget -O install_cockpit.sh https://websoft9.github.io/websoft9/install/install_cockpit.sh && bash install_cockpit.sh --port 9000
 
 # install or upgrade Docker
 wget -O - https://websoft9.github.io/websoft9/install/install_docker.sh | bash