diff --git a/backend/mpc-system/services/service-party-app/build-windows.bat b/backend/mpc-system/services/service-party-app/build-windows.bat
index 73aa27fe..f2a45f1d 100644
--- a/backend/mpc-system/services/service-party-app/build-windows.bat
+++ b/backend/mpc-system/services/service-party-app/build-windows.bat
@@ -9,6 +9,40 @@ echo.
 
 cd /d "%~dp0"
 
+:: Parse command line arguments
+set "DO_CLEAN=0"
+set "DO_CLEAN_ALL=0"
+
+if "%1"=="clean" set "DO_CLEAN=1"
+if "%1"=="--clean" set "DO_CLEAN=1"
+if "%1"=="-c" set "DO_CLEAN=1"
+if "%1"=="cleanall" set "DO_CLEAN_ALL=1"
+if "%1"=="--clean-all" set "DO_CLEAN_ALL=1"
+
+:: Clean all (includes node_modules)
+if "%DO_CLEAN_ALL%"=="1" (
+    echo [CLEAN] Performing full clean...
+    if exist "dist" rmdir /s /q "dist"
+    if exist "dist-electron" rmdir /s /q "dist-electron"
+    if exist "release" rmdir /s /q "release"
+    if exist "node_modules" rmdir /s /q "node_modules"
+    if exist "package-lock.json" del /q "package-lock.json"
+    if exist "node_modules\.cache" rmdir /s /q "node_modules\.cache"
+    echo [OK] Full clean completed
+    echo.
+)
+
+:: Clean build artifacts only
+if "%DO_CLEAN%"=="1" (
+    echo [CLEAN] Cleaning build artifacts...
+    if exist "dist" rmdir /s /q "dist"
+    if exist "dist-electron" rmdir /s /q "dist-electron"
+    if exist "release" rmdir /s /q "release"
+    if exist "node_modules\.cache" rmdir /s /q "node_modules\.cache"
+    echo [OK] Clean completed
+    echo.
+)
+
 :: Check Node.js
 where node >nul 2>nul
 if %errorlevel% neq 0 (
@@ -56,7 +90,15 @@ echo [2/4] Installing npm dependencies...
 echo ============================================
 
 if exist "node_modules" (
-    echo Dependencies exist, skipping install
+    if "%DO_CLEAN_ALL%"=="0" (
+        echo Dependencies exist, skipping install
+    ) else (
+        call npm install
+        if %errorlevel% neq 0 (
+            echo [ERROR] npm install failed
+            goto :error
+        )
+    )
 ) else (
     call npm install
     if %errorlevel% neq 0 (
@@ -102,6 +144,14 @@ if exist "release" (
     dir /b release\*.exe 2>nul
 )
 
+echo.
+echo ============================================
+echo   Usage Tips
+echo ============================================
+echo.
+echo   build-windows.bat              Normal build
+echo   build-windows.bat clean        Clean and rebuild
+echo   build-windows.bat cleanall     Full clean (delete node_modules) and rebuild
 echo.
 echo Press any key to exit...
 pause >nul
@@ -111,5 +161,8 @@ exit /b 0
 echo.
 echo Build failed. Please check error messages.
 echo.
+echo If you encounter module/type errors, try:
+echo   build-windows.bat cleanall
+echo.
 pause
 exit /b 1