diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4c4549d4..335e6dd4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,6 +8,11 @@ jobs:
   markdown-lint:
     runs-on: ubuntu-latest
     steps:
+      - name: Comment
+        uses: thollander/actions-comment-pull-request@v1
+        with:
+          message: '正在运行自动化菜谱内容规范检查……预计需要 1 分钟。'
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
         with: