diff --git a/config/etc/i3/config b/config/etc/i3/config.nix
similarity index 81%
rename from config/etc/i3/config
rename to config/etc/i3/config.nix
index 6b0b078..8b7d4c9 100644
--- a/config/etc/i3/config
+++ b/config/etc/i3/config.nix
@@ -1,3 +1,6 @@
+{ pkgs, ... }:
+
+(pkgs.writeText "config" ''
 # i3 config file (v4)
 #
 # Please see http://i3wm.org/docs/userguide.html for a complete reference!
@@ -14,9 +17,9 @@ hide_edge_borders both
 exec setxkbmap de
 
 #exec compton -f
-exec feh --bg-scale $(xdg-user-dir PICTURES)/wallpaper.jpg
+exec ${pkgs.feh}/bin/feh --bg-scale $(xdg-user-dir PICTURES)/wallpaper.jpg
 #exec pulseaudio -D
-#exec fcitx
+exec fcitx5
 #exec env=LC_CTYPE=zh_CN.UTF-8 emacs --daemon
 #exec conky -c $HOME/.my_little_conky/.conkyrc
 #exec xsnow -nosanta -norudolf -notrees
@@ -30,16 +33,16 @@ exec feh --bg-scale $(xdg-user-dir PICTURES)/wallpaper.jpg
 
 ### START MEDIA BINDSYM ###
 
-bindsym XF86AudioPlay exec playerctl play
-bindsym XF86AudioPause exec playerctl pause
-bindsym XF86AudioNext exec playerctl next
-bindsym XF86AudioPrev exec playerctl previous
+bindsym XF86AudioPlay exec ${pkgs.playerctl}/bin/playerctl play
+bindsym XF86AudioPause exec ${pkgs.playerctl}/bin/playerctl pause
+bindsym XF86AudioNext exec ${pkgs.playerctl}/bin/playerctl next
+bindsym XF86AudioPrev exec ${pkgs.playerctl}/bin/playerctl previous
 
-bindsym $mod+Mod1+space exec playerctl play-pause
-bindsym $mod+Mod1+Left exec playerctl position 10-
-bindsym $mod+Mod1+Right exec playerctl position 10+
-bindsym $mod+Mod1+Down exec playerctl next
-bindsym $mod+Mod1+Up exec playerctl previous
+bindsym $mod+Mod1+space exec ${pkgs.playerctl}/bin/playerctl play-pause
+bindsym $mod+Mod1+Left exec ${pkgs.playerctl}/bin/playerctl position 10-
+bindsym $mod+Mod1+Right exec ${pkgs.playerctl}/bin/playerctl position 10+
+bindsym $mod+Mod1+Down exec ${pkgs.playerctl}/bin/playerctl next
+bindsym $mod+Mod1+Up exec ${pkgs.playerctl}/bin/playerctl previous
 
 bindsym $mod+Shift+w sticky toggle
 bindsym $mod+Shift+B floating enable; border none; resize set 900 600; move position 1020 19
@@ -55,22 +58,23 @@ bindsym $mod+y move container to output left
 bindsym $mod+x move container to output right
 bindsym $mod+Shift+y move workspace to output left
 bindsym $mod+Shift+x move workspace to output right
-bindsym $mod+minus exec amixer -c 0 sset Master 1%-
-bindsym $mod+plus exec amixer -c 0 sset Master 1%+
-bindsym $mod+Mod1+minus exec amixer -D pulse sset Master 1%-
-bindsym $mod+Mod1+plus exec amixer -D pulse sset Master 1%+
-bindsym $mod+Shift+minus exec xbacklight -5
-bindsym $mod+Shift+plus exec xbacklight +5
-bindsym $mod+Ctrl+0 exec xbacklight -set 0
-bindsym $mod+Ctrl+1 exec xbacklight -set 10
-bindsym $mod+Ctrl+2 exec xbacklight -set 20
-bindsym $mod+Ctrl+3 exec xbacklight -set 30
-bindsym $mod+Ctrl+4 exec xbacklight -set 40
-bindsym $mod+Ctrl+5 exec xbacklight -set 50
-bindsym $mod+Ctrl+6 exec xbacklight -set 60
-bindsym $mod+Ctrl+7 exec xbacklight -set 70
-bindsym $mod+Ctrl+8 exec xbacklight -set 80
-bindsym $mod+Ctrl+9 exec xbacklight -set 90
+bindsym $mod+l exec ${pkgs.i3lock}/bin/i3lock -efc 000000
+bindsym $mod+minus exec ${pkgs.alsa-utils}/bin/amixer -c 0 sset Master 1%-
+bindsym $mod+plus exec ${pkgs.alsa-utils}/bin/amixer -c 0 sset Master 1%+
+bindsym $mod+Mod1+minus exec ${pkgs.alsa-utils}/bin/amixer -D pulse sset Master 1%-
+bindsym $mod+Mod1+plus exec ${pkgs.alsa-utils}/bin/amixer -D pulse sset Master 1%+
+bindsym $mod+Shift+minus exec ${pkgs.acpilight}/bin/xbacklight -5
+bindsym $mod+Shift+plus exec ${pkgs.acpilight}/bin/xbacklight +5
+bindsym $mod+Ctrl+0 exec ${pkgs.acpilight}/bin/xbacklight -set 0
+bindsym $mod+Ctrl+1 exec ${pkgs.acpilight}/bin/xbacklight -set 10
+bindsym $mod+Ctrl+2 exec ${pkgs.acpilight}/bin/xbacklight -set 20
+bindsym $mod+Ctrl+3 exec ${pkgs.acpilight}/bin/xbacklight -set 30
+bindsym $mod+Ctrl+4 exec ${pkgs.acpilight}/bin/xbacklight -set 40
+bindsym $mod+Ctrl+5 exec ${pkgs.acpilight}/bin/xbacklight -set 50
+bindsym $mod+Ctrl+6 exec ${pkgs.acpilight}/bin/xbacklight -set 60
+bindsym $mod+Ctrl+7 exec ${pkgs.acpilight}/bin/xbacklight -set 70
+bindsym $mod+Ctrl+8 exec ${pkgs.acpilight}/bin/xbacklight -set 80
+bindsym $mod+Ctrl+9 exec ${pkgs.acpilight}/bin/xbacklight -set 90
 bindsym $mod+p move scratchpad
 bindsym $mod+Shift+p scratchpad show
 bindsym --release $mod+Ctrl+s exec scrot
@@ -152,13 +156,6 @@ bindsym $mod+d exec dmenu_run -fn 'Droid Sans Mono-8'
 # installed.
 # bindsym $mod+d exec --no-startup-id i3-dmenu-desktop
 
-# change focus
-bindsym $mod+j focus left
-bindsym $mod+k focus down
-bindsym $mod+l focus up
-bindsym $mod+odiaeresis focus right
-#bindsym $mod+semicolon focus right
-
 # alternatively, you can use the cursor keys:
 bindsym $mod+Left focus left
 bindsym $mod+Down focus down
@@ -266,6 +263,7 @@ bindsym $mod+r mode "resize"
 bar {
   position top
   status_command py3status -c /etc/i3/py3status
+  tray_output primary
   # status_command i3status
   colors {
     separator #586e75
@@ -286,3 +284,4 @@ client.urgent #aa0000 y#990000 #ffffff
 #client.focused_inactive #073642 #073642 #93a1a1 #002b36
 #client.unfocused #002b36 #002b36 #586e75 #002b36
 #client.urgent #dc322f #dc322f #fdf6e3 #dc322f
+'')
diff --git a/services/desktop/i3.nix b/services/desktop/i3.nix
index a4856e8..2482344 100644
--- a/services/desktop/i3.nix
+++ b/services/desktop/i3.nix
@@ -6,7 +6,7 @@
 #    i3 =
 {
         enable = true;
-        configFile = ../../config/etc/i3/config;
+        configFile =  (import ../../config/etc/i3/config.nix { inherit pkgs; });
         extraPackages = with pkgs; [
           dmenu
           file