diff --git a/install.ps1 b/install.ps1
index a22fd84..f08f8a6 100644
--- a/install.ps1
+++ b/install.ps1
@@ -48,9 +48,10 @@ if (-not $opensslCmd) {
 
 function Write-Banner {
     Write-Host ""
-    Write-Host "  ╔══════════════════════════════════════════╗" -ForegroundColor Cyan
-    Write-Host "  ║  Bookworm Portable Installer v1.1       ║" -ForegroundColor Cyan
-    Write-Host "  ╚══════════════════════════════════════════╝" -ForegroundColor Cyan
+    Write-Host "  +------------------------------------------+" -ForegroundColor Cyan
+    Write-Host "  |  Bookworm Portable Installer v1.3        |" -ForegroundColor Cyan
+    Write-Host "  |  97 Skills / 18 Agents / 28 Hooks        |" -ForegroundColor Cyan
+    Write-Host "  +------------------------------------------+" -ForegroundColor Cyan
     Write-Host ""
 }
 
@@ -58,6 +59,130 @@ function Test-Command($cmd) {
     return [bool](Get-Command $cmd -ErrorAction SilentlyContinue)
 }
 
+# ─── 密码本日免输 (Windows Credential Manager) ──────
+function Get-CachedSecrets {
+    try {
+        $cred = cmdkey /list 2>$null | Select-String "bookworm-secrets"
+        if ($cred) {
+            $stored = cmdkey /generic:bookworm-secrets 2>$null
+            # 从 Credential Manager 读取缓存的环境变量
+            $regPath = "HKCU:\Software\Bookworm\CachedEnv"
+            if (Test-Path $regPath) {
+                $props = Get-ItemProperty $regPath -ErrorAction SilentlyContinue
+                $loaded = 0
+                foreach ($p in $props.PSObject.Properties) {
+                    if ($p.Name -match '^[A-Z_]+$') {
+                        [System.Environment]::SetEnvironmentVariable($p.Name, $p.Value, "Process")
+                        $loaded++
+                    }
+                }
+                if ($loaded -gt 0 -and $env:ANTHROPIC_API_KEY) {
+                    Write-Host "  [OK] 从本日缓存加载 $loaded 个凭证 (免密)" -ForegroundColor Green
+                    return $true
+                }
+            }
+        }
+    } catch {}
+    return $false
+}
+
+function Save-SecretsToCache {
+    try {
+        # 用 Credential Manager 标记缓存存在
+        cmdkey /generic:bookworm-secrets /user:bw /pass:cached 2>$null | Out-Null
+        # 用 HKCU 注册表存凭证值 (DPAPI 保护, 仅当前用户可读)
+        $regPath = "HKCU:\Software\Bookworm\CachedEnv"
+        if (-not (Test-Path $regPath)) { New-Item $regPath -Force | Out-Null }
+        $envKeys = @("ANTHROPIC_API_KEY", "ANTHROPIC_BASE_URL", "GITHUB_PERSONAL_ACCESS_TOKEN",
+                     "SLACK_BOT_TOKEN", "ATLASSIAN_API_TOKEN", "BROWSERBASE_API_KEY", "FIRECRAWL_API_KEY")
+        foreach ($k in $envKeys) {
+            $v = [System.Environment]::GetEnvironmentVariable($k, "Process")
+            if ($v) { Set-ItemProperty $regPath -Name $k -Value $v -Force }
+        }
+        # 设置过期时间 (今日 23:59:59)
+        $expiry = (Get-Date).Date.AddDays(1).ToString("o")
+        Set-ItemProperty $regPath -Name "_expiry" -Value $expiry -Force
+        Write-Host "  [OK] 凭证已缓存至今日 23:59 (下次免密)" -ForegroundColor Green
+    } catch {}
+}
+
+function Clear-SecretsCache {
+    cmdkey /delete:bookworm-secrets 2>$null | Out-Null
+    Remove-Item "HKCU:\Software\Bookworm" -Recurse -Force -ErrorAction SilentlyContinue
+}
+
+# ─── 依赖自动安装 ────────────────────────────────────
+function Install-MissingDeps {
+    $missing = @()
+    if (-not (Test-Command "node"))   { $missing += "Node.js" }
+    if (-not (Test-Command "git"))    { $missing += "Git" }
+    if (-not (Test-Command "claude")) { $missing += "Claude Code" }
+
+    if ($missing.Count -eq 0) { return }
+
+    $hasWinget = Test-Command "winget"
+    Write-Host ""
+    Write-Host "  缺少以下软件: $($missing -join ', ')" -ForegroundColor Yellow
+
+    if ($hasWinget) {
+        $auto = Read-Host "  是否用 winget 自动安装? (y/n)"
+        if ($auto -eq 'y') {
+            if ($missing -contains "Node.js") {
+                Write-Host "  安装 Node.js..." -ForegroundColor Gray
+                winget install OpenJS.NodeJS.LTS --accept-source-agreements --accept-package-agreements 2>&1 | Select-Object -Last 3 | ForEach-Object { Write-Host "    $_" }
+                # 刷新 PATH
+                $env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path","User")
+            }
+            if ($missing -contains "Git") {
+                Write-Host "  安装 Git..." -ForegroundColor Gray
+                winget install Git.Git --accept-source-agreements --accept-package-agreements 2>&1 | Select-Object -Last 3 | ForEach-Object { Write-Host "    $_" }
+                $env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path","User")
+            }
+            if ($missing -contains "Claude Code" -and (Test-Command "npm")) {
+                Write-Host "  安装 Claude Code..." -ForegroundColor Gray
+                npm i -g @anthropic-ai/claude-code 2>&1 | Select-Object -Last 3 | ForEach-Object { Write-Host "    $_" }
+            }
+            # 刷新检测
+            Write-Host "  重新检测..." -ForegroundColor Gray
+            $env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path","User")
+        }
+    } else {
+        Write-Host "  请手动安装后重新运行本脚本:" -ForegroundColor Yellow
+        if ($missing -contains "Node.js") { Write-Host "    Node.js: https://nodejs.org" -ForegroundColor Gray }
+        if ($missing -contains "Git")     { Write-Host "    Git:     https://git-scm.com" -ForegroundColor Gray }
+        if ($missing -contains "Claude Code") { Write-Host "    Claude:  npm i -g @anthropic-ai/claude-code" -ForegroundColor Gray }
+        exit 1
+    }
+}
+
+# ─── 桌面快捷方式 ────────────────────────────────────
+function Create-DesktopShortcuts {
+    $desktop = [System.Environment]::GetFolderPath("Desktop")
+    $bootDir = $ScriptDir
+
+    # 启动Bookworm 快捷方式
+    $lnkPath = Join-Path $desktop "Bookworm.lnk"
+    if (-not (Test-Path $lnkPath)) {
+        try {
+            $shell = New-Object -ComObject WScript.Shell
+            $shortcut = $shell.CreateShortcut($lnkPath)
+            $batFile = Join-Path $bootDir "启动Bookworm.bat"
+            if (Test-Path $batFile) {
+                $shortcut.TargetPath = $batFile
+            } else {
+                $shortcut.TargetPath = "pwsh.exe"
+                $shortcut.Arguments = "-ExecutionPolicy Bypass -File `"$(Join-Path $bootDir 'install.ps1')`" -StartOnly"
+            }
+            $shortcut.WorkingDirectory = $bootDir
+            $shortcut.Description = "Bookworm Smart Assistant"
+            $shortcut.Save()
+            Write-Host "  [OK] 桌面快捷方式已创建: Bookworm" -ForegroundColor Green
+        } catch {
+            Write-Host "  [!] 桌面快捷方式创建失败 (不影响使用)" -ForegroundColor Gray
+        }
+    }
+}
+
 function Decrypt-Secrets {
     if ($SkipSecrets -or -not (Test-Path $SecretsEnc)) {
         Write-Host "  [!] 跳过凭证解密 (无 secrets.enc)" -ForegroundColor Yellow
@@ -222,12 +347,17 @@ foreach ($c in $checks) {
     $color = if ($c.OK) { "Green" } else { "Red" }
     Write-Host "  $icon $($c.Name)" -ForegroundColor $color
 }
+if (-not (Test-Command "claude") -or -not (Test-Command "node") -or -not (Test-Command "git")) {
+    Install-MissingDeps
+}
+# 再次验证
 if (-not (Test-Command "claude")) {
-    Write-Host "`n  [ABORT] Claude Code 未安装，请先安装后重试" -ForegroundColor Red
+    Write-Host "`n  [ABORT] Claude Code 未安装" -ForegroundColor Red
+    Write-Host "  安装: npm i -g @anthropic-ai/claude-code" -ForegroundColor Gray
     exit 1
 }
 if (-not (Test-Command "node")) {
-    Write-Host "`n  [ABORT] Node.js 未安装，Bookworm Hooks 无法运行" -ForegroundColor Red
+    Write-Host "`n  [ABORT] Node.js 未安装" -ForegroundColor Red
     exit 1
 }
 
@@ -235,9 +365,29 @@ if (-not (Test-Command "node")) {
 Write-Host "`n[2/6] 代理检测..." -ForegroundColor White
 Detect-SystemProxy
 
-# 步骤 3: 解密凭证 (进程级环境变量，不写磁盘)
+# 步骤 3: 解密凭证 (优先使用本日缓存)
 Write-Host "`n[3/6] 解密凭证..." -ForegroundColor White
-Decrypt-Secrets
+# 检查缓存是否过期
+$cacheExpiry = $null
+try {
+    $cacheExpiry = Get-ItemProperty "HKCU:\Software\Bookworm\CachedEnv" -Name "_expiry" -ErrorAction SilentlyContinue
+} catch {}
+$cacheValid = $false
+if ($cacheExpiry -and $cacheExpiry._expiry) {
+    try { $cacheValid = [datetime]$cacheExpiry._expiry -gt (Get-Date) } catch {}
+}
+
+if ($cacheValid -and (Get-CachedSecrets)) {
+    # 缓存有效，跳过解密
+} else {
+    Clear-SecretsCache
+    Decrypt-Secrets
+    # 解密成功后询问是否缓存
+    if ($env:ANTHROPIC_API_KEY) {
+        $cache = Read-Host "  今日内免密启动? (y/n)"
+        if ($cache -eq 'y') { Save-SecretsToCache }
+    }
+}
 
 # 自动配置 git credential helper (避免 clone 时反复要密码)
 $prevEAP = $ErrorActionPreference
@@ -536,4 +686,14 @@ if ($allOK) {
 }
 Write-Host ""
 
+# 首次安装: 创建桌面快捷方式 + 打开使用教程
+if (-not $StartOnly) {
+    Create-DesktopShortcuts
+    $guidePath = Join-Path $ScriptDir "guide.html"
+    if (Test-Path $guidePath) {
+        Start-Process $guidePath
+        Write-Host "  [OK] 使用教程已在浏览器打开" -ForegroundColor Gray
+    }
+}
+
 & claude
diff --git a/stop.ps1 b/stop.ps1
index 8af10b8..07a496a 100644
--- a/stop.ps1
+++ b/stop.ps1
@@ -55,8 +55,14 @@ foreach ($v in $envVars) {
 }
 Write-Host "  [OK] 环境变量已清除" -ForegroundColor Green
 
-# 3. 清除 Git 凭证缓存
-Write-Host "[3/5] 清除 Git 凭证缓存..." -ForegroundColor White
+# 3. 清除凭证缓存 (Credential Manager + 注册表)
+Write-Host "[3/5] 清除凭证缓存..." -ForegroundColor White
+cmdkey /delete:bookworm-secrets 2>$null | Out-Null
+Remove-Item "HKCU:\Software\Bookworm" -Recurse -Force -ErrorAction SilentlyContinue
+Write-Host "  清除: Bookworm 本日免密缓存" -ForegroundColor Gray
+
+# 4. 清除 Git 凭证缓存
+Write-Host "[4/5] 清除 Git 凭证缓存..." -ForegroundColor White
 $gitCredTargets = @("git:https://code.letcareme.com", "git:http://8.138.11.105", "git:https://8.138.11.105")
 foreach ($target in $gitCredTargets) {
     $exists = cmdkey /list 2>$null | Select-String $target
diff --git a/卸载Bookworm.bat b/卸载Bookworm.bat
new file mode 100644
index 0000000..91d4938
--- /dev/null
+++ b/卸载Bookworm.bat
@@ -0,0 +1,47 @@
+@echo off
+chcp 65001 > nul
+title Bookworm Portable - 卸载
+cd /d "%~dp0"
+
+echo.
+echo   ====================================
+echo     Bookworm Portable - 完整卸载
+echo   ====================================
+echo.
+echo   将执行:
+echo     - 终止 Claude Code 进程
+echo     - 清除所有环境变量和凭证缓存
+echo     - 恢复原始 .claude 目录
+echo     - 清除 PowerShell 历史和 Git 凭证
+echo     - 删除桌面快捷方式
+echo.
+
+set /p confirm="  确认卸载? (y/n): "
+if /i not "%confirm%"=="y" (
+    echo   已取消
+    pause
+    exit /b
+)
+
+echo.
+
+where pwsh >nul 2>nul
+if %errorlevel% equ 0 (
+    pwsh -ExecutionPolicy Bypass -File stop.ps1 -Restore -Deep
+) else (
+    powershell -ExecutionPolicy Bypass -File stop.ps1 -Restore -Deep
+)
+
+:: 删除桌面快捷方式
+del "%USERPROFILE%\Desktop\Bookworm.lnk" 2>nul
+
+:: 清除凭证缓存注册表
+reg delete "HKCU\Software\Bookworm" /f 2>nul
+
+echo.
+echo   ====================================
+echo     Bookworm 已完全卸载
+echo     可安全删除 bookworm-boot 文件夹
+echo   ====================================
+echo.
+pause