diff --git a/nixcfgs/hosts/zephyrus/default.nix b/nixcfgs/hosts/zephyrus/default.nix
index 3956cab..c64b175 100644
--- a/nixcfgs/hosts/zephyrus/default.nix
+++ b/nixcfgs/hosts/zephyrus/default.nix
@@ -8,6 +8,8 @@
 }: {
   imports = [
     ../../modules/nixos
+    # ../../modules/nixos/users/js0ny.nix
+    # ../../modules/nixos/guest.nix
     ../../modules/nixos/laptop.nix
     ../../modules/nixos/disable-nvidia.nix
     ../../modules/nixos/additional-packages.nix
@@ -15,8 +17,8 @@
     ../../modules/nixos/docker.nix
     ../../modules/nixos/firefox.nix
     ../../modules/nixos/desktop/gnome.nix
-    ../../modules/nixos/desktop/kde.nix
-    ../../modules/nixos/display-manager/ly.nix
+    # ../../modules/nixos/desktop/kde.nix
+    ../../modules/nixos/display-manager/gdm.nix
     ./hardware-configuration.nix
     ./keyd.nix
     ./packages.nix
diff --git a/nixcfgs/modules/nixos/display-manager/sddm.nix b/nixcfgs/modules/nixos/display-manager/sddm.nix
index 727be2e..c572f22 100644
--- a/nixcfgs/modules/nixos/display-manager/sddm.nix
+++ b/nixcfgs/modules/nixos/display-manager/sddm.nix
@@ -1,6 +1,10 @@
-{...}: {
+{pkgs, ...}: {
   services.displayManager.sddm = {
     enable = true;
     wayland.enable = true;
+    extraPackages = with pkgs; [
+      sddm-astronaut
+    ];
+    # theme = "sddm-astronaut-theme";
   };
 }
diff --git a/nixcfgs/modules/nixos/guest.nix b/nixcfgs/modules/nixos/guest.nix
new file mode 100644
index 0000000..9a95f1a
--- /dev/null
+++ b/nixcfgs/modules/nixos/guest.nix
@@ -0,0 +1,25 @@
+{pkgs, ...}: {
+  users.users.guest = {
+    isNormalUser = true;
+    description = "Guest user";
+    home = "/home/guest";
+    extraGroups = [""]; # 可选，是否允许 sudo
+    shell = pkgs.bash;
+    # hashedPassword = ""; # 空密码，意味着需要手动设置或禁用登录
+    # 或者直接禁止密码登录：
+    hashedPassword = null;
+  };
+
+  systemd.services."guest-reset-home" = {
+    description = "Reset guest home directory on boot";
+    wantedBy = ["multi-user.target"];
+    serviceConfig = {
+      Type = "oneshot";
+      ExecStart = ''
+        rm -rf /home/guest/*
+        cp -r /etc/skel/. /home/guest/
+        chown -R guest:guest /home/guest
+      '';
+    };
+  };
+}
diff --git a/nixcfgs/users/js0ny/programs/gnome.nix b/nixcfgs/users/js0ny/programs/gnome.nix
index f76df5f..63bce2e 100644
--- a/nixcfgs/users/js0ny/programs/gnome.nix
+++ b/nixcfgs/users/js0ny/programs/gnome.nix
@@ -3,6 +3,7 @@
     gnome-tweaks
     sushi
     orchis-theme
+    adwaita-qt
     gnomeExtensions.dash-to-dock
     gnomeExtensions.caffeine
     gnomeExtensions.logo-menu
@@ -44,5 +45,16 @@
       symbolic-icon = true;
       use-custom-icon = false;
     };
+    "org/gnome/shell" = {
+favorite-apps = [
+      "org.kde.dolphin.desktop"
+      "com.mitchellh.ghostty.desktop"
+      "chromium-browser.desktop"
+      "code.desktop"
+    ];
+    };
+
   };
+
+  qt.style.name = "adwaita";
 }