diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8ffa4e6..a2d5bde 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,11 +2,9 @@ name: guppy build
 
 on:
   push:
-    branches: [ "dev", "main" ]
+    branches: [ "develop", "main" ]
     tags:
       - "*"
-  pull_request:
-    branches: [ "main" ]
 
 permissions:
   contents: write
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
new file mode 100644
index 0000000..c250de5
--- /dev/null
+++ b/.github/workflows/pull_request.yml
@@ -0,0 +1,113 @@
+name: validate pull request
+
+on:
+  pull_request:
+    branches: [ "main", "develop" ]
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        include:
+          - arch: mips-linux-gnu-
+            theme: zbolt
+            small: false
+            rotate: true
+            calibrate: false
+            asset: guppyscreen-zbolt
+
+          - arch: mips-linux-gnu-
+            theme: material
+            small: false
+            rotate: true
+            calibrate: false
+            asset: guppyscreen
+
+          - arch: mips-linux-gnu-
+            theme: material
+            small: true
+            rotate: false
+            calibrate: true
+            asset: guppyscreen-smallscreen
+
+          - arch: aarch64-none-linux-gnu-
+            theme: material
+            small: false
+            rotate: false
+            calibrate: true
+            asset: guppyscreen-arm
+
+    runs-on: ubuntu-22.04
+    container:
+      image: ballaswag/guppydev:latest
+      options: --user 1001
+  
+    env:
+      CROSS_COMPILE: ${{ matrix.arch }}
+      CC: ${{ matrix.arch }}
+      CXX: ${{ matrix.arch }}
+      GUPPY_THEME: ${{ matrix.theme }}
+  
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        submodules: recursive
+
+    - name: set guppyscreen version
+      run: |
+        echo "GUPPYSCREEN_VERSION=${{ github.ref_name }}" >> $GITHUB_ENV
+
+    - if: matrix.small
+      name: export screen size
+      run: |
+        echo "GUPPY_SMALL_SCREEN=${{ matrix.small }}" >> $GITHUB_ENV
+
+    - if: matrix.rotate
+      name: export screen rotate
+      run: |
+        echo "GUPPY_ROTATE=${{ matrix.rotate }}" >> $GITHUB_ENV
+        
+    - if: matrix.calibrate
+      name: export touch calibrate
+      run: |
+        echo "EVDEV_CALIBRATE=${{ matrix.calibrate }}" >> $GITHUB_ENV
+
+    - name: patch lv_drivers
+      run: |
+        git apply ../patches/0001-lv_driver_fb_ioctls.patch
+      working-directory: ./lv_drivers
+
+    - name: patch fmt in spdlog
+      run: |
+        git apply ../patches/0002-spdlog_fmt_initializer_list.patch
+      working-directory: ./spdlog
+
+    - name: patch dpi text scale in lvgl
+      run: |
+        git apply ../patches/0003-lvgl-dpi-text-scale.patch
+      working-directory: ./lvgl
+
+    - name: make wpaclient
+      run: make wpaclient
+
+    - name: make libhv
+      run: make libhv.a
+    
+    - name: make libspdlog
+      run: make libspdlog.a
+
+    - name: make guppyscreen
+      run: make -j
+
+    - name: make kd_graphic_mode
+      run: make kd_graphic_mode
+
+    - name: package release
+      run: |
+        chmod +x ./release.sh
+        ./release.sh ${{ matrix.asset }}
+
+    - uses: actions/upload-artifact@v4
+      with:
+        name: ${{ matrix.asset }}
+        path: ./${{ matrix.asset }}.tar.gz
diff --git a/debian/guppyscreen.service b/debian/guppyscreen.service
index 1ee64ba..052cda1 100644
--- a/debian/guppyscreen.service
+++ b/debian/guppyscreen.service
@@ -7,9 +7,9 @@ StartLimitIntervalSec=0
 Type=simple
 Restart=always
 RestartSec=1
-User=biqu
-WorkingDirectory=/home/biqu/guppyscreen
-ExecStart="/home/biqu/guppyscreen/guppyscreen"
+User=<USER>
+WorkingDirectory=/home/<USER>/guppyscreen
+ExecStart="/home/<USER>/guppyscreen/guppyscreen"
 
 [Install]
 WantedBy=multi-user.target
diff --git a/installer-deb.sh b/installer-deb.sh
index 3b05cf4..a767248 100755
--- a/installer-deb.sh
+++ b/installer-deb.sh
@@ -47,6 +47,8 @@ get_klipper_paths() {
 }
 
 install_services() {
+    sed -i "s|<USER>|$USER|g" ${HOME}/guppyscreen/debian/guppyscreen.service
+
     sudo cp ${HOME}/guppyscreen/debian/disable_blinking_cursor.service /etc/systemd/system
     sudo cp ${HOME}/guppyscreen/debian/guppyscreen.service /etc/systemd/system
     sudo systemctl enable disable_blinking_cursor.service