diff --git a/install.sh b/install.sh
index b9a748c..486afd6 100755
--- a/install.sh
+++ b/install.sh
@@ -2,19 +2,15 @@
 
 
 function install() {
-    echo "install on: $HOSTNAME"
-    echo ----------------------
-
     [ "$(id -u)" -ne 0 ] && echo 'root privilege required' && exit 1
 
     if [[ ! $CURDIR == '/opt/miaou-bash' ]]; then
         # download and fullfill /opt/miaou-bash, then run it from folder
 
         if [[ -L /opt/miaou-bash ]]; then
-            cd /opt/miaou-bash && ./install.sh "$PARAM1"
+            cd /opt/miaou-bash && ./install.sh
             exit 0
         else
-
             rm -rf /opt/miaou-bash
             TEMP=$(mktemp -d)
             cd "$TEMP" || return