diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 69a1a43..71e9c40 100755
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -190,4 +190,62 @@ jobs:
       uses: actions/upload-artifact@v3
       with:
         name: windows-release-build
-        path: build/windows/runner/Release/
\ No newline at end of file
+        path: build/windows/runner/Release/
+
+  # 本地（act）验证作业：只验证 Git PATH 与 checkout/submodules
+  build-act-windows:
+    name: ACT Windows Checkout Verification
+    if: ${{ env.ACT == 'true' }}
+    runs-on: windows-latest
+    steps:
+    - name: Add Git to PATH (Windows)
+      shell: powershell
+      run: |
+        $paths = @(
+          'C:\Program Files\Git\cmd',
+          'C:\Program Files\Git\bin',
+          'C:\Program Files (x86)\Git\cmd',
+          'C:\Program Files (x86)\Git\bin'
+        )
+        foreach ($p in $paths) {
+          if (Test-Path $p) {
+            Add-Content -Path $env:GITHUB_PATH -Value $p
+            $env:PATH = "$p;$env:PATH"
+            Write-Host ("Added to PATH: {0}" -f $p)
+          }
+        }
+        $candidates = @(
+          'C:\Program Files\Git\cmd\git.exe',
+          'C:\Program Files\Git\bin\git.exe',
+          'C:\Program Files (x86)\Git\cmd\git.exe',
+          'C:\Program Files (x86)\Git\bin\git.exe'
+        )
+        $found = $false
+        foreach ($g in $candidates) {
+          if (Test-Path $g) {
+            & $g --version
+            $found = $true
+            break
+          }
+        }
+        if (-not $found) {
+          Write-Host "Git executable not found in common locations; continuing."
+        }
+
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        submodules: recursive
+        fetch-depth: 0
+
+    - name: Verify submodules
+      shell: powershell
+      run: |
+        git --version
+        git submodule status
+        Write-Host "Submodules verified (status printed above)."
+
+    - name: Summary
+      shell: powershell
+      run: |
+        Write-Host "ACT Windows verification completed successfully."
\ No newline at end of file