diff --git a/auto-setup.ps1 b/auto-setup.ps1
index d591064..0b3acab 100644
--- a/auto-setup.ps1
+++ b/auto-setup.ps1
@@ -16,7 +16,7 @@ param(
 $ErrorActionPreference = "Stop"
 
 # ─── 版本号 (每次更新递增, build.ps1 自动读取) ──────
-$BWVersion = "2.2.1"
+$BWVersion = "2.2.2"
 
 # ─── B4: 单实例保护 (防止双击两次导致竞态) ─────────
 $mutexCreated = $false
@@ -570,11 +570,12 @@ Log-Phase 1 "环境检测 + 依赖自动安装"
 $env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path","User")
 
 $deps = @(
-    @{ Name = "Node.js";       Cmd = "node";   WingetId = "OpenJS.NodeJS.LTS";              NpmPkg = $null;  PipPkg = $null }
-    @{ Name = "Git";           Cmd = "git";    WingetId = "Git.Git";                        NpmPkg = $null;  PipPkg = $null }
-    @{ Name = "PowerShell 7";  Cmd = "pwsh";   WingetId = "Microsoft.PowerShell";           NpmPkg = $null;  PipPkg = $null }
-    @{ Name = "Python 3.12";   Cmd = "python"; WingetId = "Python.Python.3.12";             NpmPkg = $null;  PipPkg = $null }
-    @{ Name = "Claude Code";   Cmd = "claude"; WingetId = $null;                            NpmPkg = "@anthropic-ai/claude-code"; PipPkg = $null }
+    # 核心依赖 (缺失则尝试自动安装)
+    @{ Name = "Node.js";       Cmd = "node";   WingetId = "OpenJS.NodeJS.LTS";              NpmPkg = $null;  PipPkg = $null; Core = $true }
+    @{ Name = "Git";           Cmd = "git";    WingetId = "Git.Git";                        NpmPkg = $null;  PipPkg = $null; Core = $true }
+    @{ Name = "PowerShell 7";  Cmd = "pwsh";   WingetId = "Microsoft.PowerShell";           NpmPkg = $null;  PipPkg = $null; Core = $false }
+    @{ Name = "Claude Code";   Cmd = "claude"; WingetId = $null;                            NpmPkg = "@anthropic-ai/claude-code"; PipPkg = $null; Core = $true }
+    # Python 移到可选依赖 (不在此列表, 由 line 753 单独处理)
 )
 
 $hasWinget = Test-Cmd "winget"
@@ -612,8 +613,12 @@ foreach ($dep in $deps) {
             } catch { Log-Fail "$($dep.Name) npm 安装失败: $_" }
         }
         elseif (-not $hasWinget) {
-            Log-Fail "$($dep.Name) 需要手动安装 (winget 不可用)"
-            Show-MsgBox "$($dep.Name) 未安装且 winget 不可用。`n请手动安装后重新运行。`n`nNode.js: https://nodejs.org`nGit: https://git-scm.com" "缺少依赖" "OK" "Error"
+            if ($dep.Core) {
+                Log-Fail "$($dep.Name) 需要手动安装 (winget 不可用)"
+                Show-MsgBox "$($dep.Name) 未安装且 winget 不可用。`n请手动安装后重新运行。`n`nNode.js: https://nodejs.org`nGit: https://git-scm.com" "缺少依赖" "OK" "Error"
+            } else {
+                Log-Info "$($dep.Name) 未安装 (可选, 不影响核心功能)"
+            }
         }
     }
 }
@@ -721,16 +726,18 @@ if (Test-Cmd "uv") {
 $opensslCmd = Find-OpenSSL
 if ($opensslCmd) { Log-OK "OpenSSL: $opensslCmd" } else { Log-Warn "OpenSSL 未找到 (凭证解密可能失败)" }
 
-# 最终检查 (核心四件套必须)
-if (-not (Test-Cmd "node") -or -not (Test-Cmd "git") -or -not (Test-Cmd "claude") -or -not (Test-Cmd "pwsh")) {
+# 最终检查 (仅 Node.js + Git + Claude Code 为硬性依赖, PowerShell 7 可选)
+if (-not (Test-Cmd "node") -or -not (Test-Cmd "git") -or -not (Test-Cmd "claude")) {
     $missing = @()
     if (-not (Test-Cmd "node"))   { $missing += "Node.js" }
     if (-not (Test-Cmd "git"))    { $missing += "Git" }
-    if (-not (Test-Cmd "pwsh"))   { $missing += "PowerShell 7" }
     if (-not (Test-Cmd "claude")) { $missing += "Claude Code" }
-    Show-MsgBox "以下核心依赖安装失败: $($missing -join ', ')`n`n请手动安装后重新运行。" "安装中断" "OK" "Error"
+    Show-MsgBox "以下核心依赖安装失败: $($missing -join ', ')`n`n请手动安装后重新运行。`n`nNode.js: https://nodejs.org`nGit: https://git-scm.com" "安装中断" "OK" "Error"
     exit 1
 }
+if (-not (Test-Cmd "pwsh")) {
+    Log-Info "PowerShell 7 未安装 (可选, 用系统 PowerShell 5.1 替代)"
+}
 
 # 定位 pwsh.exe 完整路径 (供后续 settings.json 配置使用)
 $PwshPath = (Get-Command pwsh -ErrorAction SilentlyContinue).Source
diff --git a/quick-start.html b/quick-start.html
index 4c7d043..e9a0f45 100644
--- a/quick-start.html
+++ b/quick-start.html
@@ -77,6 +77,30 @@
   <div class="ver">v1.5 | 92 Skills / 18 Agents / 34 Hooks<br>打印后贴在显示器旁边</div>
 </div>
 
+<!-- ==================== 安装前准备 ==================== -->
+<div class="section">
+  <span class="section-title red">安装前准备 (仅首次)</span>
+
+  <div class="card warn">
+    <h3>&#9888; 首次运行 Bookworm-Setup.exe 前，请确认以下两项</h3>
+    <table>
+      <tr><th style="width:30%">检查项</th><th>操作</th></tr>
+      <tr>
+        <td><strong>1. PowerShell 执行策略</strong></td>
+        <td>按 <kbd>Win</kbd>+<kbd>R</kbd> 输入 <code>powershell</code> 回车，执行：<br>
+          <code>Set-ExecutionPolicy RemoteSigned -Scope CurrentUser -Force</code><br>
+          <span style="font-size:8pt;color:#64748b">否则 npm/node 脚本会被系统阻止运行</span></td>
+      </tr>
+      <tr>
+        <td><strong>2. 代理已开启</strong></td>
+        <td>启动 Clash / V2Ray / 快柠檬（任选一个），安装器需要下载依赖</td>
+      </tr>
+    </table>
+    <p style="font-size:8pt;color:#64748b;margin-top:4px">如果电脑没有 winget（Win10 旧版本），安装器可能无法自动装 Node.js 和 Git。请手动安装：<br>
+    Node.js &rarr; <code>https://nodejs.org</code> &nbsp;|&nbsp; Git &rarr; <code>https://git-scm.com</code></p>
+  </div>
+</div>
+
 <!-- ==================== 打开 PowerShell ==================== -->
 <div class="section">
   <span class="section-title">第零步：打开 PowerShell</span>