diff --git a/.github/workflows/ci-validation.yml b/.github/workflows/ci-validation.yml
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+# .github/workflows/ci-validation.yml
+name: Docker Build + Validation
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build Docker image
+        run: |
+          docker build -t massnet-dda:latest . -f Dockerfile_cuda11
+
+      - name: Create data directory
+        run: mkdir -p ./data
+
+      - name: Download model file
+        run: |
+          curl -L -o ./data/XuanjiNovo_100M_massnet.ckpt https://huggingface.co/Wyattz23/XuanjiNovo/resolve/main/XuanjiNovo_100M_massnet.ckpt
+
+      - name: Check model file
+        run: |
+          if [ ! -f "./data/XuanjiNovo_100M_massnet.ckpt" ]; then
+            echo "Model file not found!"
+            exit 1
+          fi
+
+      - name: Download test file
+        run: |
+          curl -L -o ./data/bacillus.10k.mgf https://huggingface.co/Wyattz23/XuanjiNovo/resolve/main/bacillus.10k.mgf
+      - name: Check test file
+        run: |
+          if [ ! -f "./data/bacillus.10k.mgf" ]; then
+            echo "Test file not found!"
+            exit 1
+           fi
+