diff --git a/script/setup.sh b/script/setup.sh
index 8b4d5f3..d6175cc 100755
--- a/script/setup.sh
+++ b/script/setup.sh
@@ -1,17 +1,16 @@
 #! /bin/sh
 
 # setup
-npm install -g bower
-bower install
+sudo npm install -g bower
+sudo --askpass bower install --allow-root
 bundle install
 bin/rake db:migrate
 
 # make configuration file
 
-CONF_FOLDER=`pwd`
 CONF_PATH=`pwd`/configure.conf
 
-if ls $CONF_FOLDER | grep configure.conf; then
+if ls `pwd` | grep configure.conf; then
 echo "configure.conf exist"
 else
 touch $CONF_PATH