diff --git a/bin/main.ps1 b/bin/main.ps1
index 414d3d2..baa36b2 100644
--- a/bin/main.ps1
+++ b/bin/main.ps1
@@ -54,6 +54,11 @@ if (Test-Path $selectionPath) {
     }
 }
 
+# === 2.2 启用本地 Manifest 安装 ===
+# winget install --manifest 需要先启用 LocalManifestFiles，重复执行不会影响后续安装。
+Write-Host "Enabling winget local manifest support..." -ForegroundColor Cyan
+winget settings --enable LocalManifestFiles
+
 # === 3. 主循环 ===
 foreach ($app in $apps) {
     if ($app.Enabled -ne 1) {
@@ -70,31 +75,78 @@ foreach ($app in $apps) {
         Write-Host "[System Config] Skipping install..." -ForegroundColor Magenta
     } else {
         # --- 步骤 A: Winget 安装 ---
-        $wingetArgs = @(
-            "install",
-            "--id", $app.Id,
-            "-e",
-            "--silent",
-            "--accept-package-agreements",
-            "--accept-source-agreements",
-            "--disable-interactivity"
-            # "--scope", "machine"
-        )
+        $manifestPath = $null
+        $manifestTempDir = $null
 
-        # [版本检查逻辑]
-        # 检查 Version 是否存在且不为空字符串
-        if (-not [string]::IsNullOrWhiteSpace($app.Version)) {
-            Write-Host "-> Version: $($app.Version)"
-            $wingetArgs += "-v"
-            $wingetArgs += $app.Version
+        if (-not [string]::IsNullOrWhiteSpace($app.Manifest)) {
+            Write-Host "-> Manifest: $($app.Manifest)"
+
+            if ($app.Manifest -match '^https?://') {
+                $manifestTempDir = Join-Path $env:TEMP ("winit-helper-manifest-" + [guid]::NewGuid().ToString("N"))
+                New-Item -ItemType Directory -Path $manifestTempDir -Force | Out-Null
+
+                $manifestFileName = [System.IO.Path]::GetFileName(([uri]$app.Manifest).AbsolutePath)
+                if ([string]::IsNullOrWhiteSpace($manifestFileName)) {
+                    $manifestFileName = "$($app.Id).yaml"
+                }
+
+                $manifestPath = Join-Path $manifestTempDir $manifestFileName
+                Write-Host "-> Downloading custom manifest..."
+                Invoke-WebRequest -Uri $app.Manifest -OutFile $manifestPath
+            } else {
+                $manifestPath = $app.Manifest
+                if (-not [System.IO.Path]::IsPathRooted($manifestPath)) {
+                    $manifestPath = Join-Path $PSScriptRoot $manifestPath
+                }
+
+                if (-not (Test-Path $manifestPath)) {
+                    Write-Error "Cannot find manifest: $manifestPath"
+                    continue
+                }
+            }
+
+            $wingetArgs = @(
+                "install",
+                "--manifest", $manifestPath,
+                "--silent",
+                "--accept-package-agreements",
+                "--accept-source-agreements",
+                "--disable-interactivity"
+                # "--scope", "machine"
+            )
         } else {
-            Write-Host "-> Version: latest"
+            $wingetArgs = @(
+                "install",
+                "--id", $app.Id,
+                "-e",
+                "--silent",
+                "--accept-package-agreements",
+                "--accept-source-agreements",
+                "--disable-interactivity"
+                # "--scope", "machine"
+            )
+
+            # [版本检查逻辑]
+            # 检查 Version 是否存在且不为空字符串
+            if (-not [string]::IsNullOrWhiteSpace($app.Version)) {
+                Write-Host "-> Version: $($app.Version)"
+                $wingetArgs += "-v"
+                $wingetArgs += $app.Version
+            } else {
+                Write-Host "-> Version: latest"
+            }
         }
 
         Write-Host "-> Installing via winget..."
         
         # 执行安装
-        $proc = Start-Process -FilePath "winget" -ArgumentList $wingetArgs -Wait -PassThru -NoNewWindow
+        try {
+            $proc = Start-Process -FilePath "winget" -ArgumentList $wingetArgs -Wait -PassThru -NoNewWindow
+        } finally {
+            if ($manifestTempDir -and (Test-Path $manifestTempDir)) {
+                Remove-Item -LiteralPath $manifestTempDir -Recurse -Force
+            }
+        }
 
         # 检查安装结果 (0=成功, -1978335189=已安装)
         if ($proc.ExitCode -eq 0) {