diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ff92bc2..ce81648 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,19 +26,29 @@ jobs:
   build:
     name: Build
     runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [14.x]
+
     outputs:
       version: ${{ steps.properties.outputs.version }}
       changelog: ${{ steps.properties.outputs.changelog }}
       pluginVerifierHomeDir: ${{ steps.properties.outputs.pluginVerifierHomeDir }}
-    steps:
 
+    steps:
       # Check out current repository
       - name: Fetch Sources
         uses: actions/checkout@v4
-      - name: Get latest version of main.html and main.js
-        run: |
-          wget $(curl -s https://api.github.com/repositories/709076669/releases/latest | grep -oP '"browser_download_url": "\K(.*)(?=")' | grep main.html) -O src/main/resources/static/main.html
-          wget $(curl -s https://api.github.com/repositories/709076669/releases/latest | grep -oP '"browser_download_url": "\K(.*)(?=")' | grep main.js) -O src/main/resources/static/main.js
+        run: git submodule update --init --recursive
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Build GUI
+        run: cd gui && yarn && yarn idea
 
       # Validate wrapper
       - name: Gradle Wrapper Validation
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..b93b3f1
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "gui"]
+	path = gui
+	url = https://github.com/devchat-ai/devchat-gui.git
diff --git a/gui b/gui
new file mode 160000
index 0000000..a39ec87
--- /dev/null
+++ b/gui
@@ -0,0 +1 @@
+Subproject commit a39ec87f9aa38560c538e69ffdb0290baa720a13
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..754e2d1
--- /dev/null
+++ b/package.json
@@ -0,0 +1,6 @@
+{
+  "name": "devchat-intellij",
+  "scripts": {
+    "build": "cd ./gui && yarn && yarn idea"
+  }
+}