diff --git a/.github/workflows/auto-build-main-module-docs.yml b/.github/workflows/auto-build-main-module-docs.yml
new file mode 100644
index 0000000000..38a2465e29
--- /dev/null
+++ b/.github/workflows/auto-build-main-module-docs.yml
@@ -0,0 +1,72 @@
+name: Auto Build Main Module Docs
+
+on:
+  pull_request:
+    branches: [dev]
+  push:
+    branches: [dev]
+
+jobs:
+  verify-main-build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
+    
+    steps:
+    - uses: webfactory/ssh-agent@v0.8.0
+      with:
+        ssh-private-key: ${{ secrets.SUBMODULE_SSH_KEY }}
+    - name: Checkout submodule repo
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+        token: ${{ secrets.PAT_TOKEN }}
+
+    - name: Checkout main repository
+      run: |
+        # 克隆主仓库
+        git clone https://github.com/opentiny/docs.git docs
+        cd docs
+        
+        # 更新子模块到PR分支的版本
+        git submodule sync --recursive
+        git submodule update --init --recursive
+
+        
+        # 获取PR分支的最新提交
+        cd ./tiny-vue
+        BRANCH_NAME="${{ github.head_ref }}"
+        git fetch origin $BRANCH_NAME
+        git checkout $BRANCH_NAME
+        
+        # 回到主仓库根目录
+        cd ../
+        
+        # 更新主仓库中的子模块引用
+        git add tiny-vue
+        git commit -m "Update submodule to PR version" || echo "No changes"
+
+    - name: Setup pnpm
+      uses: pnpm/action-setup@v3
+      with:
+        version: 9
+
+    - name: Run main repo build
+      id: build
+      working-directory: ./docs
+      run: |
+        pnpm i
+        # 如果使用VitePress
+        pnpm build
+        
+    - name: Update PR status
+      if: always()
+      run: |
+        # 检查构建是否成功
+        if [ ${{ steps.build.outcome }} == 'success' ]; then
+          echo "✅ 主仓库构建成功"
+        else
+          echo "❌ 主仓库构建失败"
+          exit 1
+        fi