diff --git a/flake.lock b/flake.lock
index 6a33d91..aab12c3 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1149,11 +1149,11 @@
     },
     "nixpkgs_16": {
       "locked": {
-        "lastModified": 1759381078,
-        "narHash": "sha256-gTrEEp5gEspIcCOx9PD8kMaF1iEmfBcTbO0Jag2QhQs=",
+        "lastModified": 1760524057,
+        "narHash": "sha256-EVAqOteLBFmd7pKkb0+FIUyzTF61VKi7YmvP1tw4nEw=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "7df7ff7d8e00218376575f0acdcc5d66741351ee",
+        "rev": "544961dfcce86422ba200ed9a0b00dd4b1486ec5",
         "type": "github"
       },
       "original": {
@@ -1350,11 +1350,11 @@
         "nixpkgs": "nixpkgs_16"
       },
       "locked": {
-        "lastModified": 1759643458,
-        "narHash": "sha256-oQLW/vQ8/BLhZqp8K8YyP1k8r9ju6iqkbBgBRZ+ah74=",
+        "lastModified": 1760849193,
+        "narHash": "sha256-69I1XFep5MVMfcoDTC/48E/6eOGpf8iIu8W26NVh0Hc=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "33404b168828bde62e36a61f9a16b54b6d6bcdfb",
+        "rev": "1d04acb73115223424fb7d6ba666650402ce62eb",
         "type": "github"
       },
       "original": {
diff --git a/home/programs/coding/R.nix b/home/programs/coding/R.nix
index dba061d..6c9ed0d 100644
--- a/home/programs/coding/R.nix
+++ b/home/programs/coding/R.nix
@@ -1,6 +1,37 @@
-{ config, pkgs, ... }:
+{
+  inputs,
+  config,
+  pkgs,
+  ...
+}:
 let
+  pkgs-stable = inputs.nixpkgs-stable.legacyPackages.${pkgs.system};
   colors = config.lib.stylix.colors.withHashtag;
+  rPkgs = with pkgs-stable.rPackages; [
+    ggplot2
+    dplyr
+    tidyverse
+    bruceR
+    afex
+    ggpubr
+    reshape2
+    rmdformats
+    see
+    languageserver
+    styler
+    openxlsx
+    ez
+    multcomp
+    rsdmx
+    MuMIn
+    ggforce
+  ];
+  myR = pkgs-stable.rWrapper.override {
+    packages = rPkgs;
+  };
+  myRstudio = pkgs-stable.rstudioWrapper.override {
+    packages = rPkgs;
+  };
 in
 {
   home.packages = with pkgs; [
@@ -11,6 +42,20 @@ in
     )
     myR
   ];
+  programs.nixvim.plugins.lsp.servers.r_language_server = {
+    enable = true;
+    package = null;
+    cmd = [
+      "${myR}/bin/R"
+      "--slave"
+      "-e"
+      "languageserver::run()"
+    ];
+    filetypes = [
+      "r"
+      "rmd"
+    ];
+  };
   xdg.configFile."rstudio/themes/stylix.rstheme".text = with colors; ''
     /* rsthemes 0.5.0 */
     /* https://github.com/danth/stylix */
diff --git a/home/programs/coding/nixvim/lsp.nix b/home/programs/coding/nixvim/lsp.nix
index 39ee21e..d7228fa 100644
--- a/home/programs/coding/nixvim/lsp.nix
+++ b/home/programs/coding/nixvim/lsp.nix
@@ -60,20 +60,6 @@
             };
           };
           texlab.enable = true;
-          r_language_server = {
-            enable = true;
-            package = null;
-            cmd = [
-              "${pkgs.myR}/bin/R"
-              "--slave"
-              "-e"
-              "languageserver::run()"
-            ];
-            filetypes = [
-              "r"
-              "rmd"
-            ];
-          };
           qmlls = {
             enable = true;
             filetypes = [ "qml" ];
diff --git a/home/programs/utils/ai.nix b/home/programs/utils/ai.nix
index a1702a2..d4d2d4c 100644
--- a/home/programs/utils/ai.nix
+++ b/home/programs/utils/ai.nix
@@ -10,6 +10,30 @@
     GEMINI_API_KEY = "$(cat ${config.age.secrets.gemini_token.path})";
     ANTHROPIC_AUTH_TOKEN = "$(cat ${config.age.secrets.anyrouter_token.path})";
     ANTHROPIC_BASE_URL = "https://anyrouter.top";
+    SILICONFLOW_API_KEY = "$(cat ${config.age.secrets.siliconflow_token.path})";
   };
-  # home.packages = with pkgs; [ qwen-code ];
+  home.packages = with pkgs; [ nur.repos.charmbracelet.crush ];
+  xdg.configFile."crush/crush.json".text = ''
+    {
+      "providers": {
+        "siliconflow": {
+          "id": "siliconflow",
+          "name": "siliconflow",
+          "base_url": "https://api.siliconflow.cn/v1",
+          "api_key": "$SILICONFLOW_API_KEY",
+          "type": "openai",
+          "models": [
+            {
+              "id": "Pro/deepseek-ai/DeepSeek-V3.2-Exp",
+              "name": "DeepSeek-V3.2",
+              "cost_per_1m_in": 2,
+              "cost_per_1m_out": 3,
+              "context_window": 160000,
+              "default_max_token": 5000
+            }
+          ]
+        }
+      }
+    }
+  '';
 }
diff --git a/home/tweaks/default.nix b/home/tweaks/default.nix
index 1bffab5..1afb122 100644
--- a/home/tweaks/default.nix
+++ b/home/tweaks/default.nix
@@ -7,5 +7,5 @@
     ./wallpaper.nix
     ./colorscheme.nix
   ];
-  desktopShell = "dms";
+  desktopShell = "noctalia-shell";
 }
diff --git a/pkgs/R.nix b/pkgs/R.nix
deleted file mode 100644
index 459c6f0..0000000
--- a/pkgs/R.nix
+++ /dev/null
@@ -1,34 +0,0 @@
-{
-  rPackages,
-  rWrapper,
-  rstudioWrapper,
-}:
-let
-  rPkgs = with rPackages; [
-    ggplot2
-    dplyr
-    tidyverse
-    bruceR
-    afex
-    ggpubr
-    reshape2
-    rmdformats
-    see
-    languageserver
-    styler
-    openxlsx
-    ez
-    multcomp
-    rsdmx
-    MuMIn
-    ggforce
-  ];
-in
-{
-  myR = rWrapper.override {
-    packages = rPkgs;
-  };
-  myRstudio = rstudioWrapper.override {
-    packages = rPkgs;
-  };
-}
diff --git a/pkgs/default.nix b/pkgs/default.nix
index 64ac5db..6d62d50 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -1,6 +1,5 @@
 { pkgs, ... }:
 {
-  inherit (pkgs.callPackage ./R.nix { }) myR myRstudio;
   zju-connect = pkgs.callPackage ./zju-connect.nix { };
   swhkd = pkgs.callPackage ./swhkd.nix { };
   kose-font = pkgs.callPackage ./fonts/kose.nix { };