diff --git a/.github/workflows/alpha.yml b/.github/workflows/alpha.yml
index b3726b2d..433067d5 100644
--- a/.github/workflows/alpha.yml
+++ b/.github/workflows/alpha.yml
@@ -1,5 +1,6 @@
 name: Snap Hutao Alpha
 on:
+  workflow_dispatch:
   push:
     branches:
       - main
@@ -14,7 +15,7 @@ on:
 
 jobs:
   publish-alpha:
-    runs-on: windows-latest
+    runs-on: self-hosted
     steps:
       - name: Checkout
         uses: actions/checkout@v4.1.1
@@ -25,23 +26,21 @@ jobs:
           dotnet-version: 8.0
 
       - name: Cake
+        id: cake
         shell: pwsh
         run: dotnet tool restore && dotnet cake
         env:
           VERSION_API_TOKEN: ${{ secrets.VERSION_API_TOKEN }}
 
       - name: Sign Msix
-        id: signing
-        uses: skymatic/code-sign-action@v1
-        with:
-          certificate: ${{ secrets.CERTIFICATE }}
-          password: ${{ secrets.PW }}
-          certificatename: DGP Studio CI
-          folder: src/output
+        shell: pwsh
+        run: |
+          [System.Convert]::FromBase64String("${{ secrets.CERTIFICATE }}") | Set-Content -AsByteStream temp.pfx
+          signtool.exe sign /debug /v /a /fd SHA256 /f temp.pfx /p ${{ secrets.PW }} ${{ github.workspace }}\src\output\Snap.Hutao.Alpha-${{ steps.cake.outputs.version }}.msix
 
       - name: Upload signed msix
         if: success()
         uses: actions/upload-artifact@v3
         with:
-          name: Snap.Hutao.${{ steps.signing.outputs.version }}
-          path: ${{ github.workspace }}/app/build/outputs/apk/foss/release
+          name: Snap.Hutao.Alpha-${{ steps.cake.outputs.version }}
+          path: ${{ github.workspace }}/src/output/Snap.Hutao.Alpha-${{ steps.cake.outputs.version }}.msix
diff --git a/build.cake b/build.cake
index 1aec1425..0fdc7daf 100644
--- a/build.cake
+++ b/build.cake
@@ -50,7 +50,7 @@ if (AzurePipelines.IsRunningOnAzurePipelines)
 }
 else if (GitHubActions.IsRunningOnGitHubActions)
 {
-    repoDir = GitHubActions.Environment.Runner.Workspace.FullPath;
+    repoDir = GitHubActions.Environment.Workflow.Workspace.FullPath;
     outputPath = System.IO.Path.Combine(repoDir, "src", "output");
 
     var versionAuth = HasEnvironmentVariable("VERSION_API_TOKEN") ? EnvironmentVariable("VERSION_API_TOKEN") : throw new Exception("Cannot find VERSION_API_TOKEN");
@@ -74,9 +74,9 @@ else if (AppVeyor.IsRunningOnAppVeyor)
     outputPath = System.IO.Path.Combine(repoDir, "src", "output");
 
     version = XmlPeek(manifest, "appx:Package/appx:Identity/@Version", new XmlPeekSettings
-        {
-            Namespaces = new Dictionary<string, string> { { "appx", "http://schemas.microsoft.com/appx/manifest/foundation/windows10" } }
-        })[..^2];
+    {
+        Namespaces = new Dictionary<string, string> { { "appx", "http://schemas.microsoft.com/appx/manifest/foundation/windows10" } }
+    })[..^2];
     Information($"Version: {version}");
 }
 
@@ -92,11 +92,11 @@ Task("NuGet Restore")
 
     var nugetConfig = System.IO.Path.Combine(repoDir, "NuGet.Config");
     DotNetRestore(project, new DotNetRestoreSettings
-        {
-            Verbosity = DotNetVerbosity.Detailed,
-            Interactive = false,
-            ConfigFile = nugetConfig
-        });
+    {
+        Verbosity = DotNetVerbosity.Detailed,
+        Interactive = false,
+        ConfigFile = nugetConfig
+    });
 });
 
 Task("Generate AppxManifest")
@@ -175,7 +175,7 @@ Task("Build MSIX")
     .Does(() =>
 {
     var arguments = "arguments";
-    if (AzurePipelines.IsRunningOnAzurePipelines)
+    if (AzurePipelines.IsRunningOnAzurePipelines || GitHubActions.IsRunningOnGitHubActions)
     {
         arguments = "pack /d " + binPath + " /p " + System.IO.Path.Combine(outputPath, $"Snap.Hutao.Alpha-{version}.msix");
     }