diff --git a/.github/workflows/gen-index.yml b/.github/workflows/gen-index.yml
new file mode 100644
index 0000000..d265af6
--- /dev/null
+++ b/.github/workflows/gen-index.yml
@@ -0,0 +1,42 @@
+name: Generate Plugin Index
+
+on:
+  push:
+
+jobs:
+
+  build:
+    runs-on: windows-latest 
+    
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0 
+
+      - name: List files
+        run: ls
+
+      - name: Install Index Generator
+        run: |
+          Invoke-WebRequest -Uri https://github.com/ClassIsland/ClassIsland.PluginIndexGenerator/releases/download/latest/ClassIsland.PluginIndexGenerator.zip -OutFile ClassIsland.PluginIndexGenerator.zip
+          Expand-Archive -Path ClassIsland.PluginIndexGenerator.zip -DestinationPath .
+      
+      - name: Generate Plugin Index
+        run: |
+          mkdir out/source/
+          ./ClassIsland.PluginIndexGenerator.exe index out/source/index.json -b base.json
+          7z a "./out/index.zip" ./out/source/* -r -mx=9
+          rm -r -Force out/source/
+          
+      - name: Generate MD5
+        run: |
+          pwsh -ep Bypass -c .\tools\generate-md5.ps1 ./out
+
+      - name: Upload to release
+        uses: ncipollo/release-action@v1
+        with:
+          tag: latest
+          artifacts: ./out/*.zip,./out/*.md5sum
+          bodyFile: ./out/checksums.md
+          token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/tools/generate-index.ps1 b/tools/generate-index.ps1
deleted file mode 100644
index 711a006..0000000
--- a/tools/generate-index.ps1
+++ /dev/null
@@ -1,29 +0,0 @@
-param($inputPath,$outputPath,$basePath,$customClassIslandPath)
-
-function Wait-Task {
-    param(
-        [Parameter(Mandatory, ValueFromPipeline)]
-        [System.Threading.Tasks.Task[]]$Task
-    )
-
-    Begin {
-        $Tasks = @()
-    }
-
-    Process {
-        $Tasks += $Task
-    }
-
-    End {
-        While (-not [System.Threading.Tasks.Task]::WaitAll($Tasks, 200)) {}
-        $Tasks.ForEach( { $_.GetAwaiter().GetResult() })
-    }
-}
-
-Set-Alias -Name await -Value Wait-Task -Force
-
-# TODO: 从 AppVeyor 下载 ClassIsland 实例
-
-Import-Module $customClassIslandPath
-
-await ([ClassIsland.Core.Helpers.PluginMarketHelper]::GeneratePluginIndexFromManifests($inputPath, $outputPath, $basePath))
diff --git a/tools/generate-md5.ps1 b/tools/generate-md5.ps1
new file mode 100644
index 0000000..b7028bf
--- /dev/null
+++ b/tools/generate-md5.ps1
@@ -0,0 +1,36 @@
+param($path)
+
+echo $path
+rm $path/*.md5sum
+$files = Get-ChildItem $path
+$hashes = [ordered]@{}
+$summary = "
+> [!important]
+> 下载时请注意核对文件MD5是否正确。
+
+| 文件名 | MD5 |
+| --- | --- |
+"
+
+foreach ($i in $files) {
+    $name = $i.Name
+    $hash = Get-FileHash $i -Algorithm MD5
+    $hashString = $hash.Hash
+    $hashes.Add($name, $hashString)
+    Write-Output $hash.Hash > "${i}.md5sum"
+    $summary +=  "| $name | ``${hashString}`` |`n"
+}
+
+echo $hashes
+
+$json = ConvertTo-Json $hashes -Compress
+
+$summary +=  "`n<!-- CLASSISLAND_PKG_MD5 ${json} -->" 
+echo $summary > "$path/checksums.md"
+Write-Host "MD5 Summary:" -ForegroundColor Gray
+Write-Host $summary -ForegroundColor Gray
+Write-Host "----------" -ForegroundColor Gray
+
+#if (-not $GITHUB_ACTION -eq $null) {
+#    'MD5_SUMMARY=' + $summary.Replace("`n", "<<") | Out-File -FilePath $env:GITHUB_ENV -Append
+#}