diff --git a/package.json b/package.json
index 093f0c5..eb8fe61 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "minecraft-music-quiz-installer",
-  "version": "0.3.12",
+  "version": "0.3.13",
   "description": "마인크래프트 음악퀴즈 간편설치기 + 관리 사이트",
   "main": "dist/installer/main.js",
   "scripts": {
diff --git a/src/installer/main.ts b/src/installer/main.ts
index 6c5cc48..1e44988 100644
--- a/src/installer/main.ts
+++ b/src/installer/main.ts
@@ -657,13 +657,13 @@ async function injectUpnpToRunBat(installPath: string): Promise<void> {
     'for /f "tokens=2 delims==" %%a in (\'findstr /b /c:"server-port=" server.properties 2^>nul\') do set "_MQ_PORT=%%a"',
     'set "_MQ_PORT=%_MQ_PORT: =%"',
     'echo [MusicQuiz] UPnP 등록 시도: TCP %_MQ_PORT%',
-    'powershell -NoProfile -Command "$port=[int]$env:_MQ_PORT; $ip=(Get-NetIPAddress -AddressFamily IPv4 -PrefixOrigin Dhcp,Manual -ErrorAction SilentlyContinue ^| Where-Object {$_.IPAddress -notlike \'169.254.*\' -and $_.IPAddress -ne \'127.0.0.1\'} ^| Select-Object -First 1).IPAddress; if (-not $ip) { Write-Host \'[MusicQuiz] 로컬 IPv4 검색 실패\'; exit 1 }; try { $u = New-Object -ComObject HNetCfg.NATUPnP.1; $c=$u.StaticPortMappingCollection; if ($c) { try { $c.Remove($port,\'TCP\') ^| Out-Null } catch {}; $c.Add($port,\'TCP\',$port,$ip,$true,\'MusicQuiz Minecraft Server\') ^| Out-Null; Write-Host (\'[MusicQuiz] UPnP 등록 성공: \' + $ip + \':\' + $port + \' TCP\') } else { Write-Host \'[MusicQuiz] UPnP 컬렉션 사용 불가(라우터 UPnP 꺼짐?)\' } } catch { Write-Host (\'[MusicQuiz] UPnP 등록 실패: \' + $_.Exception.Message) }"'
+    'powershell -NoProfile -Command "$port=[int]$env:_MQ_PORT; $ip=(Get-NetIPAddress -AddressFamily IPv4 -PrefixOrigin Dhcp,Manual -ErrorAction SilentlyContinue | Where-Object {$_.IPAddress -notlike \'169.254.*\' -and $_.IPAddress -ne \'127.0.0.1\'} | Select-Object -First 1).IPAddress; if (-not $ip) { Write-Host \'[MusicQuiz] 로컬 IPv4 검색 실패\'; exit 1 }; try { $u = New-Object -ComObject HNetCfg.NATUPnP.1; $c=$u.StaticPortMappingCollection; if ($c) { try { $c.Remove($port,\'TCP\') | Out-Null } catch {}; $c.Add($port,\'TCP\',$port,$ip,$true,\'MusicQuiz Minecraft Server\') | Out-Null; Write-Host (\'[MusicQuiz] UPnP 등록 성공: \' + $ip + \':\' + $port + \' TCP\') } else { Write-Host \'[MusicQuiz] UPnP 컬렉션 사용 불가(라우터 UPnP 꺼짐?)\' } } catch { Write-Host (\'[MusicQuiz] UPnP 등록 실패: \' + $_.Exception.Message) }"'
   ]
 
   const removeBlock = [
     'REM 서버 종료 후: UPnP 매핑 해제.',
     'echo [MusicQuiz] UPnP 해제 시도: TCP %_MQ_PORT%',
-    'powershell -NoProfile -Command "$port=[int]$env:_MQ_PORT; try { $u = New-Object -ComObject HNetCfg.NATUPnP.1; $c=$u.StaticPortMappingCollection; if ($c) { $c.Remove($port,\'TCP\') ^| Out-Null; Write-Host (\'[MusicQuiz] UPnP 해제 완료: TCP \' + $port) } } catch { Write-Host (\'[MusicQuiz] UPnP 해제 실패: \' + $_.Exception.Message) }"'
+    'powershell -NoProfile -Command "$port=[int]$env:_MQ_PORT; try { $u = New-Object -ComObject HNetCfg.NATUPnP.1; $c=$u.StaticPortMappingCollection; if ($c) { $c.Remove($port,\'TCP\') | Out-Null; Write-Host (\'[MusicQuiz] UPnP 해제 완료: TCP \' + $port) } } catch { Write-Host (\'[MusicQuiz] UPnP 해제 실패: \' + $_.Exception.Message) }"'
   ]
 
   const merged: string[] = []