diff --git a/nixos/modules/gui/niri.nix b/nixos/modules/gui/niri.nix
index 4fd56e0..2a82320 100644
--- a/nixos/modules/gui/niri.nix
+++ b/nixos/modules/gui/niri.nix
@@ -85,11 +85,11 @@ in {
           + config.youthlic.gui.niri.extraConfig);
       in {
         enable = true;
-        settings = {
-          default_session = {
-            command = "env GTK_USE_PORTAL=0 GDK_DEBUG=no-portals ${lib.getExe' config.programs.niri.package "niri"} --config ${niriConfig} -- ${lib.getExe config.programs.regreet.package}";
-          };
-        };
+        # settings = {
+        #   default_session = {
+        #     command = "env GTK_USE_PORTAL=0 GDK_DEBUG=no-portals ${lib.getExe' config.programs.niri.package "niri"} --config ${niriConfig} -- ${lib.getExe config.programs.regreet.package}";
+        #   };
+        # };
       };
       xserver = {
         enable = true;
@@ -102,6 +102,7 @@ in {
     programs = {
       regreet = {
         enable = true;
+        cageArgs = ["-s" "-m" "named" "-o" "DP-3"];
       };
       niri = {
         enable = true;
diff --git a/overlays/modifications/cage.nix b/overlays/modifications/cage.nix
new file mode 100644
index 0000000..e889aa4
--- /dev/null
+++ b/overlays/modifications/cage.nix
@@ -0,0 +1,5 @@
+{outputs, ...}: final: prev: let
+  inherit (prev.stdenv.hostPlatform) system;
+in {
+  inherit (outputs.packages."${system}") cage;
+}
diff --git a/overlays/modifications/default.nix b/overlays/modifications/default.nix
index e6e39b8..c8fbcfd 100644
--- a/overlays/modifications/default.nix
+++ b/overlays/modifications/default.nix
@@ -8,6 +8,7 @@ in
     ./dae.nix
     ./jujutsu.nix
     ./spotifyx.nix
+    ./cage.nix
   ]
   |> map (file: import file args)
   |> (overlays: (lib.composeManyExtensions overlays) final prev)
diff --git a/pkgs/_sources/generated.json b/pkgs/_sources/generated.json
index 29d233b..647e40c 100644
--- a/pkgs/_sources/generated.json
+++ b/pkgs/_sources/generated.json
@@ -1,4 +1,25 @@
 {
+    "cage": {
+        "cargoLocks": null,
+        "date": "2025-05-11",
+        "extract": null,
+        "name": "cage",
+        "passthru": null,
+        "pinned": false,
+        "src": {
+            "deepClone": false,
+            "fetchSubmodules": false,
+            "leaveDotGit": false,
+            "name": null,
+            "owner": "qaqland",
+            "repo": "cage",
+            "rev": "b4e9f729c301787239677b1bdd4235436bad99c7",
+            "sha256": "sha256-bPEi77/ENcKVlBmg3KrnmvtCqbLrwEvUqSyhONF3XtU=",
+            "sparseCheckout": [],
+            "type": "github"
+        },
+        "version": "b4e9f729c301787239677b1bdd4235436bad99c7"
+    },
     "dioxionary": {
         "cargoLocks": {
             "./Cargo.lock": [
@@ -92,7 +113,7 @@
     },
     "rime-ice": {
         "cargoLocks": null,
-        "date": "2025-05-08",
+        "date": "2025-05-11",
         "extract": null,
         "name": "rime-ice",
         "passthru": null,
@@ -104,12 +125,12 @@
             "name": null,
             "owner": "iDvel",
             "repo": "rime-ice",
-            "rev": "60cd1631f9f5023cf00e86adc535571d1b86f1b2",
-            "sha256": "sha256-3K25oc4q/5pmZL7WYoSR6RyjgV+7o7W6MzBcIKeRD0Y=",
+            "rev": "face4fabbe9d2ab01e73ec3cc6253924cca5e2f7",
+            "sha256": "sha256-K+xYo4SBDws5oPKVkxkfosw8sizzFO9DWxWEu7PRPQ0=",
             "sparseCheckout": [],
             "type": "github"
         },
-        "version": "60cd1631f9f5023cf00e86adc535571d1b86f1b2"
+        "version": "face4fabbe9d2ab01e73ec3cc6253924cca5e2f7"
     },
     "spotx": {
         "cargoLocks": null,
diff --git a/pkgs/_sources/generated.nix b/pkgs/_sources/generated.nix
index d7e1ab5..b868c2f 100644
--- a/pkgs/_sources/generated.nix
+++ b/pkgs/_sources/generated.nix
@@ -1,6 +1,18 @@
 # This file was generated by nvfetcher, please do not modify it manually.
 { fetchgit, fetchurl, fetchFromGitHub, dockerTools }:
 {
+  cage = {
+    pname = "cage";
+    version = "b4e9f729c301787239677b1bdd4235436bad99c7";
+    src = fetchFromGitHub {
+      owner = "qaqland";
+      repo = "cage";
+      rev = "b4e9f729c301787239677b1bdd4235436bad99c7";
+      fetchSubmodules = false;
+      sha256 = "sha256-bPEi77/ENcKVlBmg3KrnmvtCqbLrwEvUqSyhONF3XtU=";
+    };
+    date = "2025-05-11";
+  };
   dioxionary = {
     pname = "dioxionary";
     version = "4db80d458ff7494967c94ebb1db596abba0775b2";
@@ -65,15 +77,15 @@
   };
   rime-ice = {
     pname = "rime-ice";
-    version = "60cd1631f9f5023cf00e86adc535571d1b86f1b2";
+    version = "face4fabbe9d2ab01e73ec3cc6253924cca5e2f7";
     src = fetchFromGitHub {
       owner = "iDvel";
       repo = "rime-ice";
-      rev = "60cd1631f9f5023cf00e86adc535571d1b86f1b2";
+      rev = "face4fabbe9d2ab01e73ec3cc6253924cca5e2f7";
       fetchSubmodules = false;
-      sha256 = "sha256-3K25oc4q/5pmZL7WYoSR6RyjgV+7o7W6MzBcIKeRD0Y=";
+      sha256 = "sha256-K+xYo4SBDws5oPKVkxkfosw8sizzFO9DWxWEu7PRPQ0=";
     };
-    date = "2025-05-08";
+    date = "2025-05-11";
   };
   spotx = {
     pname = "spotx";
diff --git a/pkgs/cage.nix b/pkgs/cage.nix
new file mode 100644
index 0000000..126973f
--- /dev/null
+++ b/pkgs/cage.nix
@@ -0,0 +1,41 @@
+{
+  pkgs,
+  srcs,
+  ...
+}: let
+  inherit (srcs) cage;
+  cageWithEnvOption = pkgs.cage.overrideAttrs (final: prev: {
+    inherit (cage) src version;
+  });
+in
+  pkgs.writeShellApplication {
+    name = "cage";
+    runtimeInputs = [cageWithEnvOption];
+    text = ''
+      args=()
+      output=
+
+      while [[ $# -gt 0 ]]; do
+        case "$1" in
+          -o)
+            if [[ $# -ge 2 ]]; then
+              output="$2"
+              shift 2
+            else
+              args+=("$1")
+              shift
+            fi
+            ;;
+          *)
+            args+=("$1")
+            shift
+            ;;
+        esac
+      done
+      if [[ -n "$output" ]]; then
+        CAGE_OUTPUT_NAME="$output" cage "''${args[@]}"
+      else
+        cage "''${args[@]}"
+      fi
+    '';
+  }
diff --git a/pkgs/default.nix b/pkgs/default.nix
index 62853ee..d489e1d 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -13,6 +13,7 @@ in
     rime-ice = callPackage ./rime-ice.nix {};
     dioxionary = callPackage ./dioxionary.nix {};
     spotifyx = callPackage ./spotifyx.nix {};
+    cage = callPackage ./cage.nix {};
 
     noto-serif-cjk = callPackage ./noto-serif-cjk.nix {};
     noto-sans-cjk = callPackage ./noto-sans-cjk.nix {};
diff --git a/pkgs/nvfetcher.toml b/pkgs/nvfetcher.toml
index 3fea7d4..495fef2 100644
--- a/pkgs/nvfetcher.toml
+++ b/pkgs/nvfetcher.toml
@@ -29,3 +29,8 @@ git.sparseCheckout = ["Sans/OTC"]
 [spotx]
 src.git = "https://github.com/SpotX-Official/SpotX-Bash.git"
 fetch.github = "SpotX-Official/SpotX-Bash"
+
+[cage]
+src.git = "https://github.com/qaqland/cage.git"
+src.branch = "orenv"
+fetch.github = "qaqland/cage"