diff --git a/setup.sh b/setup.sh
index c6ffdcb..89d9103 100755
--- a/setup.sh
+++ b/setup.sh
@@ -12,6 +12,8 @@ __homelocal="$HOME/.local"
 __homevar="$HOME/.var"
 __dotfiles_dir_default="$HOME/10sr_dotfiles"
 
+# TODO: how to give args to command?
+
 ###########################
 # utils
 
diff --git a/xprograms b/xprograms
index c8bfb76..7a5c2d4 100755
--- a/xprograms
+++ b/xprograms
@@ -3,9 +3,9 @@
 # Japanese IM settings are not included in this script.
 
 _feh(){
-    test -f "$HOME/.fehbg" &&
-    type feh >/dev/null 2>&1 &&
-    sh "$HOME/.fehbg"
+    test -f "$HOME/.fehbg" && \
+        type feh >/dev/null 2>&1 && \
+        sh "$HOME/.fehbg"
 }
 
 _tint2(){
@@ -57,7 +57,7 @@ _xcompmgr(){
 }
 
 _compton(){
-    compton -b
+    (sleep 1s && compton -b) &
 }
 
 _saku(){
@@ -73,6 +73,10 @@ _nmapplet(){
     (sleep 1s && nm-applet) &
 }
 
+_lxpolkit(){
+    (sleep 1s && /usr/lib/lxpolkit/lxpolkit) &
+}
+
 for p in $@
 do
     _$p