diff --git a/README.md b/README.md
index 97f07392..0f0381c5 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ curl https://websoft9.github.io/websoft9/install/install.sh | bash
 
 
 # install Websoft9 development version and install path at /data/websoft9/source
-curl https://websoft9.github.io/websoft9/install/install.sh | bash --port 9000 --channel dev --path "/data/websoft9/source"
+wget https://websoft9.github.io/websoft9/install/install.sh &&  bash install.sh --port 9000 --channel dev --path "/data/websoft9/source"
 ```
 After installation, access it by: **http://Internet IP:9000** and using **Linux user** for login
 
diff --git a/install/install.sh b/install/install.sh
index ca625416..49317911 100644
--- a/install/install.sh
+++ b/install/install.sh
@@ -77,6 +77,7 @@ export https_port=443
 export cockpit_port=$port
 export force_install=$force
 export install_path=$path
+export channel
 export systemd_path="/opt/websoft9/systemd"
 export source_zip="websoft9-latest.zip"
 export source_unzip="websoft9"
@@ -191,7 +192,19 @@ install_backends() {
             exit 1
         fi
     fi
+
+    container_names=$(docker ps -a --format "{{.Names}}" --filter "name=websoft9")
     sudo docker compose down
+    
+    # delete some dead containers that docker compose cannot deleted
+    if [ ! -z "$container_names" ]; then
+        echo "Deleting containers:"
+        echo $container_names
+        docker rm $container_names
+    else
+        echo "No containers to delete."
+    fi
+
     sudo docker compose -p websoft9 pull
     sudo docker compose -p websoft9 up -d
     if [ $? -ne 0 ]; then
diff --git a/install/install_plugins.sh b/install/install_plugins.sh
index 227858fa..3640d46b 100644
--- a/install/install_plugins.sh
+++ b/install/install_plugins.sh
@@ -39,9 +39,11 @@ if [ -z "$install_path" ]; then
   install_path="/data/websoft9/source"
 fi
 
+echo "$echo_prefix_plugins Starting dowload plugin and update it"
 
 echo "Your installation parameters are as follows: "
 echo "--channel: $channel"
+echo "--install_path: $install_path"
 
 artifact_url="https://w9artifact.blob.core.windows.net/$channel/websoft9/plugin"
 echo_prefix_plugins=$'\n[Plugins] - '
@@ -51,8 +53,6 @@ versions_url="$source_github_pages/version.json"
 file_suffix=".zip"
 plugin_path="/usr/share/cockpit"
 
-echo "$echo_prefix_plugins Starting dowload plugin and update it"
-
 python3 - << END
 import requests
 import json