diff --git a/.forgejo/workflows/main.yml b/.forgejo/workflows/main.yml
index ec45041..86942cb 100644
--- a/.forgejo/workflows/main.yml
+++ b/.forgejo/workflows/main.yml
@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main
+  pull_request:
 
 jobs:
   check:
diff --git a/.forgejo/workflows/pull-request.yml b/.forgejo/workflows/pull-request.yml
deleted file mode 100644
index ba4afb3..0000000
--- a/.forgejo/workflows/pull-request.yml
+++ /dev/null
@@ -1,81 +0,0 @@
-name: Pull Request
-
-on:
-  pull_request:
-
-jobs:
-  check:
-    runs-on: x86_64
-    steps:
-      - uses: actions/checkout@v4
-      - name: Check flake
-        run: |
-          source /etc/bashrc
-          nix flake check
-
-  list-packages:
-    runs-on: x86_64
-    outputs:
-      packages: ${{ steps.set-matrix.outputs.packages }}
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - id: set-matrix
-        run: |
-          source /etc/bashrc
-          ALL_PACKAGES=$(nix flake show --json | nix run nixpkgs#jq -- -r '.packages."x86_64-linux" | keys[]')
-          
-          if [ "${{ github.event_name }}" == "pull_request" ]; then
-            echo "Detecting changed packages for PR..."
-            BASE_REF="${{ github.base_ref }}"
-            # Ensure the base branch is available for diffing
-            git fetch origin "$BASE_REF" --depth=1
-            CHANGED_FILES=$(git diff --name-only "origin/$BASE_REF"...HEAD)
-            
-            if echo "$CHANGED_FILES" | grep -qE 'flake.nix|flake.lock'; then
-              echo "Flake files changed, building all packages."
-              SELECTED_PACKAGES=$(echo "$ALL_PACKAGES" | nix run nixpkgs#jq -- -R . | nix run nixpkgs#jq -- -s -c .)
-            else
-              # Extract package names from pkgs/<name>/
-              CHANGED_PKGS=$(echo "$CHANGED_FILES" | grep '^pkgs/' | cut -d'/' -f2 | sort -u || true)
-              
-              FINAL_PKGS=()
-              for pkg in $CHANGED_PKGS; do
-                if echo "$ALL_PACKAGES" | grep -q "^$pkg$"; then
-                  FINAL_PKGS+=("$pkg")
-                fi
-              done
-              
-              if [ ${#FINAL_PKGS[@]} -eq 0 ]; then
-                SELECTED_PACKAGES="[]"
-              else
-                SELECTED_PACKAGES=$(printf '%s\n' "${FINAL_PKGS[@]}" | nix run nixpkgs#jq -- -R . | nix run nixpkgs#jq -- -s -c .)
-              fi
-            fi
-          else
-            echo "Push event, listing all packages."
-            SELECTED_PACKAGES=$(echo "$ALL_PACKAGES" | nix run nixpkgs#jq -- -R . | nix run nixpkgs#jq -- -s -c .)
-          fi
-          
-          echo "packages=$SELECTED_PACKAGES" >> $GITHUB_OUTPUT
-
-  build:
-    needs: [check, list-packages]
-    runs-on: x86_64
-    if: ${{ fromJson(needs.list-packages.outputs.packages)[0] != null }}
-    strategy:
-      fail-fast: false
-      matrix:
-        package: ${{ fromJson(needs.list-packages.outputs.packages) }}
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Build package
-        run: |
-          source /etc/bashrc
-          nix build .#${{ matrix.package }}
-
-
diff --git a/.forgejo/workflows/update-vscode-insiders.yml b/.forgejo/workflows/update-vscode-insiders.yml
index 4c0ec9c..33c1486 100644
--- a/.forgejo/workflows/update-vscode-insiders.yml
+++ b/.forgejo/workflows/update-vscode-insiders.yml
@@ -7,17 +7,15 @@ on:
 
 jobs:
   update:
-    runs-on: ubuntu-latest
-
+    runs-on: x86_64
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
 
       - name: Check for new vscode-insiders release
         id: check
-        shell: bash
         run: |
-          source /etc/bashrc || true
+          source /etc/bashrc
 
           CURRENT_VERSION=$(grep 'version = ' pkgs/vscode-insiders/default.nix | head -1 | grep -oP '"[^"]+"' | tr -d '"')
           echo "Current version: $CURRENT_VERSION"
@@ -27,109 +25,45 @@ jobs:
 
           if [ "$CURRENT_VERSION" = "$LATEST_VERSION" ]; then
             echo "Already up to date."
-            echo "updated=false" >> "$GITHUB_OUTPUT"
+            echo "updated=false" >> $GITHUB_OUTPUT
             exit 0
           fi
 
           echo "New version found: $LATEST_VERSION"
-
-          echo "latest_version=$LATEST_VERSION" >> "$GITHUB_OUTPUT"
-          echo "updated=true" >> "$GITHUB_OUTPUT"
+          echo "latest_version=$LATEST_VERSION" >> $GITHUB_OUTPUT
+          echo "updated=true" >> $GITHUB_OUTPUT
 
       - name: Update version and sha256
         if: steps.check.outputs.updated == 'true'
         id: update
-        shell: bash
         run: |
-          source /etc/bashrc || true
+          source /etc/bashrc
 
           LATEST="${{ steps.check.outputs.latest_version }}"
+          URL="https://code.visualstudio.com/sha/download?build=insider&os=linux-x64"
 
-          fetch_sri() {
-            local url="$1"
+          echo "Fetching new sha256 for VSCode Insiders..."
+          NEW_SHA256=$(nix-prefetch-url --type sha256 "$URL" 2>/dev/null | tail -1)
+          NEW_SHA256_SRI=$(nix hash convert --hash-algo sha256 --to sri "$NEW_SHA256")
+          echo "New sha256 (SRI): $NEW_SHA256_SRI"
 
-            HASH=$(nix-prefetch-url --type sha256 "$url" 2>/dev/null | tail -1)
-            nix hash convert --hash-algo sha256 --to sri "$HASH"
-          }
+          sed -i "s|version = \".*\";|version = \"${LATEST}\";|" pkgs/vscode-insiders/default.nix
+          sed -i "s|sha256 = \"sha256-.*\";|sha256 = \"${NEW_SHA256_SRI}\";|" pkgs/vscode-insiders/default.nix
 
-          echo "Fetching hashes..."
-
-          LINUX_SHA=$(fetch_sri "https://code.visualstudio.com/sha/download?build=insider&os=linux-x64")
-          DARWIN_ARM_SHA=$(fetch_sri "https://code.visualstudio.com/sha/download?build=insider&os=darwin-arm64")
-          DARWIN_X64_SHA=$(fetch_sri "https://code.visualstudio.com/sha/download?build=insider&os=darwin")
-
-          echo "Linux SHA: $LINUX_SHA"
-          echo "Darwin ARM SHA: $DARWIN_ARM_SHA"
-          echo "Darwin x64 SHA: $DARWIN_X64_SHA"
-
-          export LATEST
-          export LINUX_SHA
-          export DARWIN_ARM_SHA
-          export DARWIN_X64_SHA
-
-          python <<'PY'
-          import os
-          import re
-          from pathlib import Path
-
-          path = Path("pkgs/vscode-insiders/default.nix")
-          text = path.read_text()
-
-          text = re.sub(
-              r'version = ".*?";',
-              f'version = "{os.environ["LATEST"]}";',
-              text,
-              count=1
-          )
-
-          text = re.sub(
-              r'(os=darwin-arm64";\s+sha256 = ").*?(";\s+)',
-              rf'\g<1>{os.environ["DARWIN_ARM_SHA"]}\2',
-              text,
-              count=1,
-              flags=re.S
-          )
-
-          text = re.sub(
-              r'(os=darwin";\s+sha256 = ").*?(";\s+)',
-              rf'\g<1>{os.environ["DARWIN_X64_SHA"]}\2',
-              text,
-              count=1,
-              flags=re.S
-          )
-
-          text = re.sub(
-              r'(os=linux-x64";\s+sha256 = ").*?(";\s+)',
-              rf'\g<1>{os.environ["LINUX_SHA"]}\2',
-              text,
-              count=1,
-              flags=re.S
-          )
-
-          path.write_text(text)
-          PY
-
-          echo "linux_sha=$LINUX_SHA" >> "$GITHUB_OUTPUT"
-          echo "darwin_arm_sha=$DARWIN_ARM_SHA" >> "$GITHUB_OUTPUT"
-          echo "darwin_x64_sha=$DARWIN_X64_SHA" >> "$GITHUB_OUTPUT"
+          echo "new_sha256=$NEW_SHA256_SRI" >> $GITHUB_OUTPUT
 
       - name: Verify build
         if: steps.check.outputs.updated == 'true'
-        shell: bash
         run: |
-          source /etc/bashrc || true
-
-          export NIXPKGS_ALLOW_UNFREE=1
-
-          nix build .#vscode-insiders
+          source /etc/bashrc
+          NIXPKGS_ALLOW_UNFREE=1 nix build .#vscode-insiders
 
       - name: Create Pull Request
         if: steps.check.outputs.updated == 'true'
         env:
           API_FORGEJO_TOKEN: ${{ secrets.API_FORGEJO_TOKEN }}
-        shell: bash
         run: |
-          source /etc/bashrc || true
+          source /etc/bashrc
 
           LATEST="${{ steps.check.outputs.latest_version }}"
           BRANCH="update/vscode-insiders-${LATEST}"
@@ -138,20 +72,16 @@ jobs:
           git config user.email "akiyama@mizuki.guru"
 
           git checkout -b "$BRANCH"
-
           git add pkgs/vscode-insiders/default.nix
-
           git commit -m "pkgs/vscode-insiders: update to ${LATEST}"
 
           REPO_URL=$(git remote get-url origin | sed 's|https://||')
-
           git push "https://oauth2:${API_FORGEJO_TOKEN}@${REPO_URL}" "$BRANCH"
 
           FORGEJO_HOST=$(echo "$REPO_URL" | cut -d'/' -f1)
           REPO_PATH=$(echo "$REPO_URL" | cut -d'/' -f2-)
-
-          curl -fsSL \
-            -X POST \
+          
+          curl -fsSL -X POST \
             -H "Authorization: token ${API_FORGEJO_TOKEN}" \
             -H "Content-Type: application/json" \
             "https://${FORGEJO_HOST}/api/v1/repos/${REPO_PATH}/pulls" \
@@ -159,4 +89,5 @@ jobs:
               \"title\": \"pkgs/vscode-insiders: update to ${LATEST}\",
               \"head\": \"${BRANCH}\",
               \"base\": \"main\",
-              \"body\": \"Automated update of VSCode Insiders to version \`${LATEST}\`.\n\nLinux SHA:\n\`${{ steps.update.outputs.linux_sha }}\`\n\nDarwin ARM SHA:\n\`${{ steps.update.outputs.darwin_arm_sha }}\`\n\nDarwin x64 SHA:\n\`${{ steps.update.outputs.darwin_x64_sha }}\`\"}"
\ No newline at end of file
+              \"body\": \"Automated update of VSCode Insiders to version \`${LATEST}\`.\n\nNew SRI Hash: \`${{ steps.update.outputs.new_sha256 }}\`\"
+            }"
\ No newline at end of file
diff --git a/README.md b/README.md
index cac98f4..4cf4e13 100644
--- a/README.md
+++ b/README.md
@@ -42,3 +42,33 @@ Add the following to your nix configuration:
 ```
 
 ## Modules
+
+### helium-sync
+
+#### NixOS
+```nix
+{
+  inputs.imnyang.url = "git+https://git.mizuki.guru/imnyang/nix-packages.git";
+  outputs = { self, nixpkgs, imnyang }: {
+    nixosConfigurations.my-host = nixpkgs.lib.nixosSystem {
+      modules = [
+        imnyang.nixosModules.helium-sync
+      ];
+    };
+  };
+}
+```
+
+#### Home Manager
+```nix
+{
+  inputs.imnyang.url = "git+https://git.mizuki.guru/imnyang/nix-packages.git";
+  outputs = { self, home-manager, imnyang, ... }: {
+    homeConfigurations.my-user = home-manager.lib.homeManagerConfiguration {
+      modules = [
+        imnyang.homeManagerModules.helium-sync
+      ];
+    };
+  };
+}
+```
diff --git a/flake.lock b/flake.lock
index f6a9c89..08dc0f4 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1779508470,
-        "narHash": "sha256-Ap9KJX+5xHIn3bPIpfNgT6MEXdAECECwo4/rmlQD74M=",
+        "lastModified": 1778869304,
+        "narHash": "sha256-30sZNZoA1cqF5JNO9fVX+wgiQYjB7HJqqJ4ztCDeBZE=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "29916453413845e54a65b8a1cf996842300cd299",
+        "rev": "d233902339c02a9c334e7e593de68855ad26c4cb",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 2b22aa9..bb164b2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,45 +7,40 @@
 
   outputs = { self, nixpkgs }:
   let
-    supportedSystems = [
-      "x86_64-linux"
-      "aarch64-darwin"
-      "x86_64-darwin"
-    ];
-
+    system = "x86_64-linux";
+    
+    # Overlay 정의
     overlay = final: prev: {
       waterfox-bin = final.callPackage ./pkgs/waterfox-bin/default.nix { };
       xcursor-mizuki = final.callPackage ./pkgs/xcursor-mizuki/default.nix { };
       pjsk-cursor = final.callPackage ./pkgs/pjsk-cursor/default.nix { };
       helium = final.callPackage ./pkgs/helium/default.nix { };
+      helium-sync = final.callPackage ./pkgs/helium-sync/default.nix { };
       vscode-insiders = final.callPackage ./pkgs/vscode-insiders/default.nix { };
     };
 
-    forAllSystems = f: nixpkgs.lib.genAttrs supportedSystems (system: f (
-      import nixpkgs {
-        inherit system;
-        overlays = [ overlay ];
-        config.allowUnfree = true;
-      }
-    ));
+    pkgs = import nixpkgs {
+      inherit system;
+      overlays = [ overlay ];
+      config.allowUnfree = true;
+    };
   in {
     overlays.default = overlay;
 
-    packages = forAllSystems (pkgs: 
-      let
-        allPkgs = {
-          inherit (pkgs) 
-            waterfox-bin 
-            xcursor-mizuki 
-            pjsk-cursor 
-            helium 
-            vscode-insiders;
-        };
-      in
-        nixpkgs.lib.filterAttrs (name: pkg: 
-          nixpkgs.lib.elem pkgs.stdenv.hostPlatform.system (pkg.meta.platforms or [ "x86_64-linux" ])
-        ) allPkgs
-    );
+    nixosModules.helium-sync = import ./modules/helium-sync.nix;
+    homeManagerModules.helium-sync = import ./modules/helium-sync-hm.nix;
+
+    packages.${system} = {
+      inherit (pkgs) 
+        waterfox-bin 
+        xcursor-mizuki 
+        pjsk-cursor 
+        helium 
+        helium-sync 
+        vscode-insiders;
+      
+      default = pkgs.helium; # 예시로 하나를 기본값으로 지정
+    };
 
     nixConfig = {
       extra-substituters = [
diff --git a/pkgs/helium-sync/default.nix b/pkgs/helium-sync/default.nix
new file mode 100644
index 0000000..db06a38
--- /dev/null
+++ b/pkgs/helium-sync/default.nix
@@ -0,0 +1,27 @@
+{
+  lib,
+  buildGoModule,
+  fetchFromGitHub,
+}:
+buildGoModule rec {
+  pname = "helium-sync";
+  version = "0.4.0";
+
+  src = fetchFromGitHub {
+    owner = "imnyang";
+    repo = "helium-sync";
+    rev = "v${version}";
+    hash = "sha256-ARd2S9c5iFVvSwFTyZjEB2w1l54vvYBXKZTESWpCqvw=";
+  };
+
+  vendorHash = "sha256-sWi8QV1uMjfgRMATjXb/qCp6IvBQojtLI3Gr2BHS9Hs=";
+
+  subPackages = [ "cmd/helium-sync" ];
+
+  meta = {
+    description = "Synchronize selected Helium browser profile data across devices using Amazon S3";
+    homepage = "https://github.com/imnyang/helium-sync";
+    license = lib.licenses.mit;
+    mainProgram = "helium-sync";
+  };
+}
diff --git a/pkgs/helium/default.nix b/pkgs/helium/default.nix
index de254f5..1c3a4b5 100644
--- a/pkgs/helium/default.nix
+++ b/pkgs/helium/default.nix
@@ -8,11 +8,11 @@
 pkgs.appimageTools.wrapType2 rec {
 
   pname = "helium";
-  version = "0.12.4.1";
+  version = "0.12.3.1";
 
   src = pkgs.fetchurl {
     url = "https://github.com/imputnet/helium-linux/releases/download/${version}/${pname}-${version}-x86_64.AppImage";
-    sha256 = "sha256-OgS8HkLBseFrEhNFJxMwp1bg0gzPdfY1VaySAAp7vq0=";
+    sha256 = "sha256-VnOhzhAulvFNBB/0AD1d+K/TzfFL9Zwtk/vcm5vWl+I=";
   };
 
   _enableFeatures =
diff --git a/pkgs/vscode-insiders/default.nix b/pkgs/vscode-insiders/default.nix
index 3dd4d81..4ad87d1 100644
--- a/pkgs/vscode-insiders/default.nix
+++ b/pkgs/vscode-insiders/default.nix
@@ -1,100 +1,22 @@
-{ pkgs, lib, fetchurl }:
+{ pkgs }:
 
 let
-  inherit (pkgs) stdenv;
-
-  sysAttrs =
-    if stdenv.hostPlatform.isDarwin then
-      if stdenv.hostPlatform.isAarch64 then {
-        url = "https://code.visualstudio.com/sha/download?build=insider&os=darwin-arm64-dmg";
-        sha256 = "sha256-K+U6JtVNz1PRzL/0SIEK7RXwQu6LL3p+248Ywbn+mDc=";
-        name = "vscode-insiders-darwin-arm64.dmg";
-      } else {
-        url = "https://code.visualstudio.com/sha/download?build=insider&os=darwin-x64-dmg";
-        sha256 = "sha256-ex0ESS9APZxgc7b96Q7EQbckUXE51LmTqDfsnN07W3I=";
-        name = "vscode-insiders-darwin-x64.dmg";
-      }
-    else {
-      url = "https://code.visualstudio.com/sha/download?build=insider&os=linux-x64";
-      sha256 = "sha256-kE99FyilwwFv3zTCkufGwD3s1WwoJ2krg10l3Xy5PRE=";
-      name = "vscode-insiders-linux-x64.tar.gz";
-    };
-
-  src = fetchurl {
-    inherit (sysAttrs) url sha256 name;
+  src = fetchTarball {
+    url = "https://code.visualstudio.com/sha/download?build=insider&os=linux-x64";
+    sha256 = "09dk54da3kwjnvnr2hvwblcba0big2pb1a3bsvgdfhl0sl24p4i1"; 
   };
-
 in
-
 (pkgs.vscode.override {
   isInsiders = true;
 }).overrideAttrs (oldAttrs: {
   pname = "vscode-insiders";
-  version = "1.122.0-insider";
-
+  version = "1.120.0-insider";
+  isInsiders = true;
   inherit src;
 
-  sourceRoot = lib.optionalString stdenv.hostPlatform.isDarwin ".";
+  buildInputs = oldAttrs.buildInputs ++ [ pkgs.krb5 pkgs.libsoup_3 pkgs.webkitgtk_4_1 ];
 
-  postUnpack = lib.optionalString stdenv.hostPlatform.isDarwin ''
-    export sourceRoot="$(ls -d *.app)"
-    chmod -R +w "$sourceRoot"
-  '';
-
-  nativeBuildInputs = (oldAttrs.nativeBuildInputs or [])
-    ++ lib.optionals stdenv.hostPlatform.isDarwin [ pkgs.undmg pkgs.darwin.xattr ];
-
-  buildInputs =
-    (oldAttrs.buildInputs or [])
-    ++ lib.optionals stdenv.hostPlatform.isLinux [
-      pkgs.krb5
-      pkgs.libsoup_3
-      pkgs.webkitgtk_4_1
-    ];
-
-  prePatch = if stdenv.hostPlatform.isDarwin then ''
-    ${oldAttrs.prePatch or ""}
-
-    mkdir -p Contents/Resources/app/node_modules/@vscode/ripgrep/bin
-    touch Contents/Resources/app/node_modules/@vscode/ripgrep/bin/rg
-  '' else if stdenv.hostPlatform.isLinux then ''
-    ${oldAttrs.prePatch or ""}
-
-    mkdir -p resources/app/node_modules/@vscode/ripgrep/bin
-    touch resources/app/node_modules/@vscode/ripgrep/bin/rg
-  '' else "";
-
-  installPhase = lib.optionalString stdenv.hostPlatform.isDarwin ''
-    mkdir -p $out/Applications
-    cp -r . $out/Applications/Visual\ Studio\ Code\ -\ Insiders.app
-    
-    # Create a wrapper script in bin/ to launch the app
-    mkdir -p $out/bin
-    cat > $out/bin/code-insiders << 'EOF'
-    #!/bin/sh
-    exec "$out/Applications/Visual Studio Code - Insiders.app/Contents/MacOS/Electron" "$@"
-    EOF
-    chmod +x $out/bin/code-insiders
-  '';
-
-  preFixup =
-    if stdenv.hostPlatform.isDarwin then ''
-      ${oldAttrs.preFixup or ""}
-
-      # Fix executable permissions in the app bundle
-      chmod +x "Contents/MacOS/Electron"
-      find Contents -type f -perm +111 -exec chmod +x {} \;
-      
-      # Make the app executable for Gatekeeper/notarization checks
-      xattr -d com.apple.quarantine . 2>/dev/null || true
-    '' else ''
-      ${oldAttrs.preFixup or ""}
-
-      rm -rf resources/app/node_modules/@github/copilot-linuxmusl-x64
-    '';
-
-  meta = (oldAttrs.meta or {}) // {
+  meta = oldAttrs.meta // {
     mainProgram = "code-insiders";
-
   };
 })
\ No newline at end of file