diff --git a/modules/home/xdg/default.nix b/modules/home/xdg/default.nix
index 76b93e9..3c1a865 100644
--- a/modules/home/xdg/default.nix
+++ b/modules/home/xdg/default.nix
@@ -12,13 +12,12 @@
     enable = true;
     cacheHome = config.home.homeDirectory + "/.cache";
 
-    # manage $XDG_CONFIG_HOME/mimeapps.list
-    # xdg search all desktop entries from $XDG_DATA_DIRS, check it by command:
-    #  echo $XDG_DATA_DIRS
-    # the system-level desktop entries can be list by command:
-    #   ls -l /run/current-system/sw/share/applications/
-    # the user-level desktop entries can be list by command(user ryan):
-    #  ls /etc/profiles/per-user/ryan/share/applications/
+    systemDirs = {
+      data = [
+        "${config.home.homeDirectory}/.local/share/flatpak/exports/share"
+        "/var/lib/flatpak/exports/share"
+      ];
+    };
 
     userDirs = {
       enable = true;
diff --git a/profiles/apollo/nixos/default.nix b/profiles/apollo/nixos/default.nix
index b4674a1..0e0b91b 100644
--- a/profiles/apollo/nixos/default.nix
+++ b/profiles/apollo/nixos/default.nix
@@ -25,6 +25,9 @@
     gnome.gnome-keyring.enable = true;
     nix-fhs.gui.enable = true;
     flatpak.enable = true;
+    apcupsd = {
+      enable = true;
+    };
   };
 
   security.pam.services.swaylock = { };