diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 66ee484..4eab5e0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,38 +3,56 @@ name: GKI Kernel Module Build
 on:
   workflow_dispatch:
 
-    
 jobs:
-    build:
-      name: GKI Kernel Module Build
-      runs-on: ubuntu-22.04
-      strategy:
-        matrix:
-          tag:
-            - android12-5.10
-            - android13-5.10
-            - android13-5.15
-            - android14-5.15
-            - android14-6.1
-            - android15-6.6
-            - android16-6.12
-          arch:
-            - aarch64
-            - x86_64
-      steps:
-        - name: Checkout Repository
-          uses: actions/checkout@v4
-  
-        - name: Upload LKM Source Code
-          uses: actions/upload-artifact@v4
-          with:
-            name: hello-ko-${{ matrix.tag }}-${{ matrix.arch }}
-            path: .github/hello-ko
+  build:
+    name: GKI Kernel Module Build
+    runs-on: ubuntu-22.04
+    needs: upload-artifact
+    strategy:
+      matrix:
+        tag:
+          - android12-5.10
+          - android13-5.10
+          - android13-5.15
+          - android14-5.15
+          - android14-6.1
+          - android15-6.6
+          - android16-6.12
+        arch:
+          - aarch64
+          - x86_64
 
-        - name: Run GKI Kernel Build Action
-          uses: ./
-          with:
-            arch: ${{ matrix.arch }}
-            tag: ${{ matrix.tag }}
-            module-name: hello-ko
-            module-path: hello-ko-${{ matrix.tag }}-${{ matrix.arch }}
+    steps:
+      - name: Maximize build space
+        uses: easimon/maximize-build-space@master
+        with:
+          root-reserve-mb: 8192
+          temp-reserve-mb: 2048
+          remove-dotnet: 'true'
+          remove-android: 'true'
+          remove-haskell: 'true'
+          remove-codeql: 'true'
+
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Run GKI Kernel Build Action
+        uses: ./
+        with:
+          arch: ${{ matrix.arch }}
+          tag: ${{ matrix.tag }}
+          module-name: hello-ko
+          module-path: hello-ko
+
+  upload-artifact:
+    name: Upload LKM Source Code
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Upload LKM Source Code
+        uses: actions/upload-artifact@v4
+        with:
+          name: hello-ko
+          path: .github/hello-ko
diff --git a/action.yml b/action.yml
index 0069853..4b62fad 100644
--- a/action.yml
+++ b/action.yml
@@ -24,7 +24,7 @@ inputs:
 runs:
   using: "composite"
   steps:
-    - name: Download
+    - name: Download LKM Source Code
       uses: actions/download-artifact@v4
       with:
         name: ${{ inputs.module-path }}
@@ -42,7 +42,7 @@ runs:
           echo "Invalid module-name: Directory ${{ inputs.module-name }} does not exist."
           exit 2
         fi
-        ls -l ${{ inputs.module-name }}
+        tree -f .
         if [ ! -f "${{ inputs.module-name }}/Makefile" ]; then
           echo "${{ inputs.module-name }}/Makefile does not exist."
           exit 3
@@ -52,16 +52,6 @@ runs:
           exit 4
         fi
 
-    - name: Maximize build space
-      uses: easimon/maximize-build-space@master
-      with:
-        root-reserve-mb: 8192
-        temp-reserve-mb: 2048
-        remove-dotnet: 'true'
-        remove-android: 'true'
-        remove-haskell: 'true'
-        remove-codeql: 'true'
-    
     - name: Install Build Tools
       uses: awalsh128/cache-apt-pkgs-action@v1
       with:
@@ -82,15 +72,19 @@ runs:
       with:
         path: ~/.ccache-${{ inputs.tag }}
         key: gki-kernel-${{ inputs.tag }}-cache
+        max-size: 2G
 
     - name: Setup Kernel Module
       shell: bash
       run: |
+        tree -f ${{ inputs.module-name }}
+
         echo "[+] Kernel Module setup"
         GKI_ROOT=$GITHUB_WORKSPACE/android-kernel
         echo "[+] GKI_ROOT: $GKI_ROOT"
         echo "[+] Copy driver to $GKI_ROOT/common/drivers"
-        ln -sf $GITHUB_WORKSPACE/${{ inputs.module-name }} $GKI_ROOT/common/drivers/${{ inputs.module-name }}
+        mv ${{ inputs.module-name }} $GKI_ROOT/common/drivers/${{ inputs.module-name }}
+        
         echo "[+] Add driver to Makefile"
         DRIVER_MAKEFILE=$GKI_ROOT/common/drivers/Makefile
         DRIVER_KCONFIG=$GKI_ROOT/common/drivers/Kconfig
@@ -111,17 +105,19 @@ runs:
         sudo apt-get install llvm-15 -y
         ast-grep -U -p '$$$ check_exports($$$) {$$$}' -r '' common/scripts/mod/modpost.c
         ast-grep -U -p 'check_exports($$$);' -r '' common/scripts/mod/modpost.c
-        echo "drivers/${{ inputs.module-name }}/${{ inputs.module-name }}.ko" >> common/android/gki_aarch64_modules
+        if [ -f common/android/gki_aarch64_modules ]; then
+          echo "drivers/${{ inputs.module-name }}/${{ inputs.module-name }}.ko" >> common/android/gki_aarch64_modules
+        fi
 
         # bazel build, android14-5.15, android14-6.1 use bazel
-        if [ ! -e build/build.sh ]; then
+        if [ ! -f build/build.sh ]; then
           sed -i 's/needs unknown symbol/Dont abort when unknown symbol/g' build/kernel/*.sh || echo "No unknown symbol scripts found"
-          if [ -e common/modules.bzl ]; then
+          if [ -f common/modules.bzl ]; then
             sed -i "s/_COMMON_GKI_MODULES_LIST = \[/_COMMON_GKI_MODULES_LIST = \[ \"drivers\/${{ inputs.module-name }}\/${{ inputs.module-name }}.ko\",/g" common/modules.bzl
           fi
         else
           TARGET_FILE="build/kernel/build.sh"
-          if [ ! -e "$TARGET_FILE" ]; then
+          if [ ! -f "$TARGET_FILE" ]; then
             TARGET_FILE="build/build.sh"
           fi
           sed -i 's/needs unknown symbol/Dont abort when unknown symbol/g' $TARGET_FILE || echo "No unknown symbol in $TARGET_FILE"