diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index b26693b56..d0ad397a7 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 20
           cache: yarn
 
       - name: Install dependencies
diff --git a/.github/workflows/test-loop-action.yml b/.github/workflows/test-loop-action.yml
deleted file mode 100644
index 70f854fb7..000000000
--- a/.github/workflows/test-loop-action.yml
+++ /dev/null
@@ -1,51 +0,0 @@
-name: Test Loop
-
-on:
-  push:
-    branches:
-      - main
-    # Review gh actions docs if you want to further define triggers, paths, etc
-    # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#on
-
-env:
-    GH_TOKEN: ${{ github.token }}
-
-jobs:
-  run_for:
-    name: run_for
-    runs-on: ubuntu-latest
-    steps:
-    # clone code.
-    - uses: actions/checkout@v3
-    
-    # print context
-    - name: for print 1-5
-      run: |
-        for id in {1..5}
-        do
-          echo "正在处理文件 id"
-        done
-        
-        pwd
-        ls -l
-        
-        IFS=$'\n'
-        
-        for file in $(ls -l)
-        do
-          echo "正在处理文件 $file"
-        done
-        git config --global user.email samzong-bot@gmail.com
-        git config --global user.name samzong-bot
-        git config advice.addIgnoredFile false
-        git checkout -b test-k8s-docs
-        gh repo clone kubernetes/website tmp
-        cd tmp
-        ls -l
-        rm -rf .git build
-        git add -v .
-        cd ..
-        git status
-        git commit -m "add test"
-        git push origin test-k8s-docs --force
-        
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index b7e9a873b..20e21b8cf 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -1,4 +1,4 @@
-name: Test deployment
+name: Test and label PRs
 
 on:
   pull_request:
@@ -8,17 +8,47 @@ on:
     # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#on
 
 jobs:
-  test-deploy:
-    name: Test deployment
+  # PR test
+  pr-test:
+    name: PR test
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 20
           cache: yarn
 
       - name: Install dependencies
         run: yarn install --frozen-lockfile
       - name: Test build website
-        run: yarn build
\ No newline at end of file
+        run: yarn build
+
+  # add pull request size label
+  size-labeler:
+    permissions:
+      issues: write
+      pull-requests: write
+    runs-on: ubuntu-latest
+    name: Label the PR size
+    steps:
+      - uses: codelytv/pr-size-labeler@v1
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          xs_label: "size/xs"
+          xs_max_size: "9"
+          s_label: "size/s"
+          s_max_size: "29"
+          m_label: "size/m"
+          m_max_size: "99"
+          l_label: "size/l"
+          l_max_size: "499"
+          xl_label: "size/xl"
+          xl_max_size: "999"
+          xll_label: "size/xll"
+          xll_max_size: "1999"
+          fail_if_xll: "false"
+          message_if_xll: >
+            This PR exceeds the recommended size of 2000 lines.
+            Please make sure you are NOT addressing multiple issues with one PR.
+            Note this PR might be rejected due to its size.