Fix GitHub Actions deployment: add unique artifact name and cleanup to prevent conflicts

Author: huaicheng

.github/workflows/deploy.yml

@@ -12,7 +12,7 @@ permissions:
 
 concurrency:
   group: "pages"
-  cancel-in-progress: false
+  cancel-in-progress: true
 
 defaults:
   run:
@@ -32,6 +32,13 @@ jobs:
         id: pages
         uses: actions/configure-pages@v4
 
+      - name: Clean previous artifacts
+        run: |
+          # Clean any previous artifacts to avoid conflicts
+          rm -rf public/
+          rm -f hugo_stats.json
+          rm -f .hugo_build.lock
+        
       - name: Setup Hugo
         uses: peaceiris/actions-hugo@v2
         with:
@@ -52,6 +59,7 @@ jobs:
         uses: actions/upload-pages-artifact@v3
         with:
           path: ./public
+          name: hugo-site
 
   deploy:
     environment: