diff --git a/sys/machines/nixdesk/default.nix b/sys/machines/nixdesk/default.nix
index 9a47c72..eca015c 100644
--- a/sys/machines/nixdesk/default.nix
+++ b/sys/machines/nixdesk/default.nix
@@ -84,6 +84,7 @@
       /services/waydroid.nix
       /services/virt-manager.nix
       /services/sunshine.nix
+      /services/locate.nix
       # network.wifi
 
       /themes/dark.nix
@@ -94,7 +95,7 @@
       /programs/RE
     ]);
 
-  networking.hostName = "nixdesk";
+  services.locate.prunePaths = lib.mkOptionDefault ["/home/xun/backup"];
 
   # for running waydroid as root, needed for cage-xtmapper
   services.dbus.packages = [
@@ -131,5 +132,6 @@
 
   networking.interfaces.eno1.wakeOnLan.enable = true;
 
+  networking.hostName = "nixdesk";
   system.stateVersion = "23.11";
 }
diff --git a/sys/profiles/services/locate.nix b/sys/profiles/services/locate.nix
new file mode 100644
index 0000000..d4c0c76
--- /dev/null
+++ b/sys/profiles/services/locate.nix
@@ -0,0 +1,6 @@
+{lib, ...}: {
+  services.locate = {
+    enable = true;
+    pruneNames = lib.mkOptionDefault [".jj"];
+  };
+}