diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 9698411..b2e7ce7 100755
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -60,10 +60,41 @@ jobs:
   build:
     runs-on: windows-latest
     needs: build-libcore
+    # 新增：设置 job 级 PATH，让所有 steps 都能访问 Node.js
+    env:
+      PATH: ${{ github.workspace }}\node;${{ env.PATH }}
 
     steps:
+    # 新增：引导步骤，下载并设置 Node.js（便携版，无需全局安装）
+    - name: 🔧 Setup Node.js
+      shell: pwsh
+      run: |
+        $nodeVersion = "22.9.0"  # 可调整为其他 LTS 版本，如 "20.17.0"
+        $zipUrl = "https://nodejs.org/dist/v${nodeVersion}/node-v${nodeVersion}-win-x64.zip"
+        $zipPath = Join-Path $env:GITHUB_WORKSPACE "node.zip"
+        $nodeDir = Join-Path $env:GITHUB_WORKSPACE "node"
+        
+        # 创建目录
+        New-Item -ItemType Directory -Force -Path $nodeDir | Out-Null
+        
+        # 下载 ZIP
+        Write-Host "Downloading Node.js from $zipUrl"
+        Invoke-WebRequest -Uri $zipUrl -OutFile $zipPath
+        
+        # 解压
+        Expand-Archive -Path $zipPath -DestinationPath $nodeDir -Force
+        Remove-Item $zipPath
+        
+        # 验证（此时 PATH 已包含 $nodeDir，所以能直接调用）
+        Write-Host "Node.js version: $(& "$nodeDir\node.exe" --version)"
+        Write-Host "npm version: $(& "$nodeDir\npm.cmd" --version)"
+        Write-Host "Node.js installed to: $nodeDir"
+
     - name: 📥 Checkout 代码
       uses: actions/checkout@v4
+      with:
+        submodules: recursive
+        fetch-depth: 0
 
     - name: 📥 下载 libcore
       uses: actions/download-artifact@v4