diff --git a/README.md b/README.md
index 2b10c6e..307a506 100644
--- a/README.md
+++ b/README.md
@@ -77,17 +77,14 @@ This setup is currently only adapted for Niri.
 - `lyrics`, scrolling lyrics player, depends on [a small utility](https://github.com/Uyanide/Spotify_Lyrics) from myself <small>(which also happens to be my frist Golang program :D)</small>.
 - `lyrics-single`, similar to `lyrics`, but only with a single line and can be easily embeded into the status bar.
 
-## Awww (Swww)
-
-The wallpaper will be automatically blurred when there is a window in focus, which is implemented in the [wallpaper-daemon](https://github.com/Uyanide/dotfiles/blob/main/config/scripts/.local/scripts/wallpaper-daemon) script.
-
-This feature is only enabled in Niri. Awww also manages wallpapers of the Hyprland setup, yet only in the regular way.
-
 ## Wallpaper & Colortheme
 
 The most suitable primary color (or so-called flavor) will be chosen from the [Catppuccin Mocha](https://catppuccin.com/palette/) palette and applied to various apps automatically after changing wallpaper. See also:
 
-- [wallpaper-carousel](https://github.com/Uyanide/Wallpaper_Carousel) to select wallpaper, which implements an Image Carousel with Qt Widgets.
+- [wallpaper-carousel](https://github.com/Uyanide/Wallpaper_Carousel): an Image Carousel implemented with Qt Widgets to browse and set wallpapers from.
+- [wallpaper-daemon](./config/scripts/.local/scripts/wallpaper-daemon): automatic blur (only works in niri).
+- [change-wallpaper](./config/scripts/.local/scripts/change-wallpaper): script that changes wallpaper with a few extra features.
+- [change-colortheme](./config/scripts/.local/scripts/change-colortheme): script that changes color scheme based on wallpaper.
 - [backgrounds collection](https://github.com/Uyanide/backgrounds) for personal use.
 
 ## Rofi
diff --git a/config/niri/.config/niri/config/misc.kdl b/config/niri/.config/niri/config/misc.kdl
index b6a5dca..cccfe86 100644
--- a/config/niri/.config/niri/config/misc.kdl
+++ b/config/niri/.config/niri/config/misc.kdl
@@ -1,7 +1,7 @@
 screenshot-path "~/Pictures/Screenshots/niri_screenshot_%Y-%m-%d_%H-%M-%S.png"
 
 debug {
-    render-drm-device "/dev/dri/card2"
+    render-drm-device "/dev/dri/card0"
 }
 
 // gestures {
diff --git a/config/wallpaper/Pictures/backgrounds b/config/wallpaper/Pictures/backgrounds
index 503ff8b..389750e 160000
--- a/config/wallpaper/Pictures/backgrounds
+++ b/config/wallpaper/Pictures/backgrounds
@@ -1 +1 @@
-Subproject commit 503ff8b986e64409bdb118c73316d0b739fe5296
+Subproject commit 389750ee97f9075cc099ff8c3d96dbcc224d3493
diff --git a/memo/oh-my-altgr.md b/memo/oh-my-altgr.md
new file mode 100644
index 0000000..216163f
--- /dev/null
+++ b/memo/oh-my-altgr.md
@@ -0,0 +1,23 @@
+<img src="https://upload.wikimedia.org/wikipedia/commons/3/3e/KB_Germany_Linux.svg" alt="Deutsche Tastaturbelegung unter Linux"/>
+
+```
+base  ^ 1 2 3 4 5 6 7 8 9 0 ß ´
+shift ° ! " § $ % & / ( ) = ? `
+altgr ′ ¹ ² ³ ¼ ½ ¬ { [ ] } \ ¸
+sh+al ″ ¡ ⅛ £ ¤ ⅜ ⅝ ⅞ ™ ± ° ¿ ˛
+
+base  q w e r t z u i o p ü +
+shift Q W E R T Z U I O P Ü *
+altgr @ ſ € ¶ ŧ ← ↓ → ø þ ¨ ~
+sh+al Ω § € ® Ŧ ¥ ↑ ı Ø Þ ° ¯
+
+base  a s d f g h j k l ö ä #
+shift A S D F G H J K L Ö Ä '
+altgr æ ſ ð đ ŋ ħ  ̣ ĸ ł ˝ ^ ’
+sh+al Æ ẞ Ð ª Ŋ Ħ  ̇ & Ł  ̣ ˇ ˘
+
+base  < y x c v b n m , . -
+shift > Y X C V B N M ; : _
+altgr | » « ¢ „ “ ” µ · … –
+sh+al ˍ › ‹ © ‚ ‘ ’ º × ÷ —
+```
diff --git a/memo/x-root.md b/memo/x-root.md
new file mode 100644
index 0000000..ab99864
--- /dev/null
+++ b/memo/x-root.md
@@ -0,0 +1,9 @@
+有时候会遇到一些需要提权运行的 GUI 应用显示不了窗口的情况，
+例如 Gtk 报错：`cannot open display: :1`。
+这有可能是 root 用户无权访问 X 显示服务导致的。运行
+
+```bash
+xhost +SI:localuser:root
+```
+
+可以允许本机的 root 用户访问 X 显示服务，或许可以解决问题。