diff --git a/src/Sharp/update-metadata.ps1 b/src/Sharp/update-metadata.ps1
new file mode 100644
index 0000000..709452d
--- /dev/null
+++ b/src/Sharp/update-metadata.ps1
@@ -0,0 +1,85 @@
+# Clean redundant metadata from all project files
+# Projects will inherit from Directory.Build.props
+
+$ErrorActionPreference = "Stop"
+
+Write-Host "Cleaning Project Metadata..." -ForegroundColor Cyan
+
+# Get all .csproj files
+$projectFiles = Get-ChildItem -Path "." -Filter "*.csproj" -Recurse |
+    Where-Object { $_.FullName -notmatch "\\obj\\" -and $_.FullName -notmatch "\\bin\\" }
+
+Write-Host "Found $($projectFiles.Count) project files" -ForegroundColor Yellow
+
+# Metadata properties to remove (will inherit from Directory.Build.props)
+$metadataToRemove = @(
+    "Version",
+    "AssemblyVersion",
+    "FileVersion",
+    "Authors",
+    "Company",
+    "Product",
+    "Copyright",
+    "PackageId",
+    "PackageProjectUrl",
+    "RepositoryUrl",
+    "RepositoryType",
+    "PackageLicenseExpression"
+)
+
+$totalModified = 0
+
+foreach ($projectFile in $projectFiles) {
+    Write-Host "`nProcessing: $($projectFile.Name)" -ForegroundColor Cyan
+
+    # Read file content
+    $lines = Get-Content -Path $projectFile.FullName -Encoding UTF8
+    $newLines = New-Object System.Collections.ArrayList
+    $modified = $false
+    $removedCount = 0
+
+    # Filter out metadata lines
+    foreach ($line in $lines) {
+        $shouldSkip = $false
+
+        # Check if line contains any metadata to remove
+        foreach ($metadata in $metadataToRemove) {
+            if ($line -match "<$metadata>.*</$metadata>") {
+                $shouldSkip = $true
+                $removedCount++
+                Write-Host "  Removed: $metadata" -ForegroundColor Gray
+                break
+            }
+        }
+
+        # Skip comment lines
+        if ($line -match "<!--\s*(程序集元数据|NuGet 包元数据)\s*-->") {
+            $shouldSkip = $true
+        }
+
+        if (-not $shouldSkip) {
+            [void]$newLines.Add($line)
+        } else {
+            $modified = $true
+        }
+    }
+
+    # Save if modified
+    if ($modified) {
+        $newLines | Set-Content -Path $projectFile.FullName -Encoding UTF8
+        Write-Host "  Updated ($removedCount properties removed)" -ForegroundColor Green
+        $totalModified++
+    } else {
+        Write-Host "  No changes needed" -ForegroundColor DarkGray
+    }
+}
+
+Write-Host "`n========================================" -ForegroundColor Cyan
+Write-Host "Done! Updated $totalModified project files" -ForegroundColor Green
+Write-Host "========================================" -ForegroundColor Cyan
+Write-Host "`nProjects now inherit from Directory.Build.props:" -ForegroundColor Yellow
+Write-Host "  - Version, Authors, Copyright" -ForegroundColor White
+Write-Host "  - Repository URLs, License" -ForegroundColor White
+Write-Host "`nProject-specific properties retained:" -ForegroundColor Yellow
+Write-Host "  - Description" -ForegroundColor White
+Write-Host "  - PackageTags" -ForegroundColor White