diff --git a/.github/workflows/github-pages.yml b/.github/workflows/github-pages.yml
index c7e8db1..47a375e 100644
--- a/.github/workflows/github-pages.yml
+++ b/.github/workflows/github-pages.yml
@@ -12,7 +12,7 @@ jobs:
       - run: npx hexo algolia
         env:
           HEXO_ALGOLIA_INDEXING_KEY: ${{ secrets.HEXO_ALGOLIA_INDEXING_KEY }}
-      - run: npx hexo g
+      - run: NODE_ENV=production npx hexo g
       - uses: peaceiris/actions-gh-pages@v3
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/_config.yml b/_config.yml
index 5e19638..6f5b7ec 100644
--- a/_config.yml
+++ b/_config.yml
@@ -55,6 +55,7 @@ tag_map:
 ## http://momentjs.com/docs/#/displaying/format/
 date_format: YYYY-MM-DD
 time_format: HH:mm:ss
+updated_option: 'empty'
 
 # Pagination
 ## Set per_page to 0 to disable pagination