diff --git a/nixcfgs/modules/nixos/desktop/de/gnome.nix b/nixcfgs/modules/nixos/desktop/de/gnome.nix
index 1b576ce..062b689 100644
--- a/nixcfgs/modules/nixos/desktop/de/gnome.nix
+++ b/nixcfgs/modules/nixos/desktop/de/gnome.nix
@@ -1,7 +1,14 @@
 {pkgs, ...}: {
   services.desktopManager.gnome = {
     enable = true;
-    sessionPath = [pkgs.gtop];
+    sessionPath = with pkgs; [
+      gtop
+      gnome-menus
+      gobject-introspection
+      # Copyous
+      libgda6
+      gsound
+    ];
   };
   environment.systemPackages = with pkgs; [
     gnome-menus
@@ -14,5 +21,6 @@
     gnome-tour
     baobab # Disk Usage Analyzer, use dust instead
     epiphany # GNOME Web
+    gnome-system-monitor # use mission-center
   ];
 }
diff --git a/nixcfgs/users/js0ny/packages/gui.nix b/nixcfgs/users/js0ny/packages/gui.nix
index 3bb0f7a..14c8ba0 100644
--- a/nixcfgs/users/js0ny/packages/gui.nix
+++ b/nixcfgs/users/js0ny/packages/gui.nix
@@ -72,7 +72,6 @@ in {
       loupe # SUPER FAST 有催人跑的感觉 w/ GPU Accel.
 
       kdePackages.elisa
-      haruna
 
       # Email
       protonmail-bridge
@@ -127,6 +126,9 @@ in {
       scanmem
       dex
       piliplus
+      foliate
+      newsflash
+      mission-center
     ]
     ++ (mkFcitxIM [
       pkgs.neovim-qt
diff --git a/nixcfgs/users/js0ny/programs/celluloid.nix b/nixcfgs/users/js0ny/programs/celluloid.nix
new file mode 100644
index 0000000..9f6c7cd
--- /dev/null
+++ b/nixcfgs/users/js0ny/programs/celluloid.nix
@@ -0,0 +1,17 @@
+{
+  pkgs,
+  config,
+  ...
+}: {
+  # MPV GTK4 frontend
+  imports = [./mpv.nix]; # Include MPV configuration
+  home.packages = [pkgs.celluloid];
+  dconf.settings = {
+    "io/github/celluloid-player/celluloid" = {
+      mpv-config-enable = true;
+      mpv-input-config-enable = true;
+      mpv-config-file = "file:///home/${config.home.username}/.config/mpv/mpv.conf";
+      mpv-input-config-file = "file:///home/${config.home.username}/.config/mpv/input.conf";
+    };
+  };
+}
diff --git a/nixcfgs/users/js0ny/programs/desktop/gnome/copyous.nix b/nixcfgs/users/js0ny/programs/desktop/gnome/copyous.nix
index a977fb4..b7be862 100644
--- a/nixcfgs/users/js0ny/programs/desktop/gnome/copyous.nix
+++ b/nixcfgs/users/js0ny/programs/desktop/gnome/copyous.nix
@@ -1,4 +1,3 @@
-# 大败而归，等打包了
 {
   pkgs,
   lib,
@@ -15,4 +14,11 @@ in {
     gsound
   ];
   xdg.dataFile."copyous@boerdereinar.dev/highlight.min.js".source = highlightJs;
+  dconf.settings = {
+    # TODO: Add more settings here later.
+    "org/gnome/shell/extensions/copyous" = {
+      open-clipboard-dialog-shortcut = ["<Super>v"];
+      show-at-pointer = true;
+    };
+  };
 }
diff --git a/nixcfgs/users/js0ny/programs/desktop/gnome/default.nix b/nixcfgs/users/js0ny/programs/desktop/gnome/default.nix
index 815c6b0..35d7fe4 100644
--- a/nixcfgs/users/js0ny/programs/desktop/gnome/default.nix
+++ b/nixcfgs/users/js0ny/programs/desktop/gnome/default.nix
@@ -11,7 +11,6 @@
     kimpanel
     appindicator
     gsconnect
-    clipboard-indicator
     advanced-alttab-window-switcher
     resource-monitor
     lunar-calendar
@@ -19,16 +18,13 @@
 in {
   imports = [
     ../../walker.nix
-    # ./copyous.nix
+    ./copyous.nix
   ];
   home.packages = with pkgs;
     [
       gnome-tweaks
       sushi
       dconf-editor
-      gnome-menus
-      showtime
-      gobject-introspection
     ]
     ++ extensions;
   programs.gnome-shell.enable = true;
@@ -171,6 +167,7 @@ in {
       netwlanstatus = false;
       ramalert = true;
       ramunit = "perc";
+      customleftclickstatus = "missioncenter";
     };
   };
 }
diff --git a/nixcfgs/users/js0ny/programs/desktop/gnome/paperwm.nix b/nixcfgs/users/js0ny/programs/desktop/gnome/paperwm.nix
index 906284e..6f1542b 100644
--- a/nixcfgs/users/js0ny/programs/desktop/gnome/paperwm.nix
+++ b/nixcfgs/users/js0ny/programs/desktop/gnome/paperwm.nix
@@ -10,6 +10,10 @@
       screensaver = [""];
     };
     "org/gnome/shell/extensions/paperwm/keybindings" = {
+      close-window = ["<Super>q"];
+      new-window = [];
+      switch-next = [];
+      switch-previous = [];
       switch-left = [
         "<Super>Left"
         "<Super>h"
@@ -22,35 +26,27 @@
         "<Super>Down"
         "<Super>j"
       ];
-      move-left = [
-        "<Control><Super>comma"
-        "<Shift><Super>comma"
-        "<Control><Super>Left"
-        "<Shift><Super>h"
-      ];
-      move-right = [
-        "<Control><Super>comma"
-        "<Shift><Super>comma"
-        "<Control><Super>Left"
-        "<Shift><Super>l"
-      ];
-      move-up = [
-        "<Control><Super>comma"
-        "<Shift><Super>comma"
-        "<Control><Super>Left"
-        "<Shift><Super>k"
-      ];
-      move-down = [
-        "<Control><Super>comma"
-        "<Shift><Super>comma"
-        "<Control><Super>Left"
-        "<Shift><Super>j"
+      switch-up = [
+        "<Super>Up"
+        "<Super>k"
       ];
+      move-left = ["<Shift><Super>h"];
+      move-right = ["<Shift><Super>l"];
+      move-up = [""];
+      move-down = [""];
+      switch-down-or-else-workspace = ["<Super><Shift>j"];
+      switch-up-or-else-workspace = ["<Super><Shift>k"];
       center-vertically = [""];
       drift-left = [""];
       drift-right = [""];
       move-up-workspace = ["<Control><Super>k"];
       move-down-workspace = ["<Control><Super>j"];
+      slurp-in = ["<Super>bracketleft"];
+      barf-out = ["<Super>bracketright"];
+      barf-out-active = [];
+    };
+    "org/gnome/shell/extensions/paperwm" = {
+      winprops = [''{"wm_class":"dev.benz.walker","scratch_layer":true}''];
     };
   };
 }
diff --git a/nixcfgs/users/js0ny/programs/desktop/wayland-wm/niri/window-rules.nix b/nixcfgs/users/js0ny/programs/desktop/wayland-wm/niri/window-rules.nix
index 57228f4..d7ca4e7 100644
--- a/nixcfgs/users/js0ny/programs/desktop/wayland-wm/niri/window-rules.nix
+++ b/nixcfgs/users/js0ny/programs/desktop/wayland-wm/niri/window-rules.nix
@@ -39,6 +39,10 @@
             # Applies to all chromium
             title = "^Picture in picture$";
           }
+          {
+            title = "^Friends List$";
+            app-id = "^steam$";
+          }
         ];
 
         open-floating = true;
diff --git a/nixcfgs/users/js0ny/zephyrus.nix b/nixcfgs/users/js0ny/zephyrus.nix
index ff916e5..56fd017 100644
--- a/nixcfgs/users/js0ny/zephyrus.nix
+++ b/nixcfgs/users/js0ny/zephyrus.nix
@@ -69,9 +69,12 @@
     ./programs/pwa.nix
     ./programs/walker.nix
     ./programs/sioyek.nix
+    ./programs/celluloid.nix
 
     # Desktop Linux
     ./programs/desktop/gnome
+    ./programs/desktop/gnome/paperwm.nix
+    ./programs/desktop/gnome/copyous.nix
     ./programs/desktop/wayland-wm/niri
 
     ../../modules/home/do-not-track.nix