diff --git a/package.json b/package.json
index 79e1d12..20af2c6 100644
--- a/package.json
+++ b/package.json
@@ -8,8 +8,8 @@
     "node": "^20.6.0 || >=22.0.0"
   },
   "scripts": {
-    "docs:dev": "vuepress dev docs --port 4567",
-    "docs:dev-clean": "vuepress dev docs --clean-cache --clean-temp --port 4567",
+    "docs:dev": "vuepress dev docs",
+    "docs:dev-clean": "vuepress dev docs --clean-cache --clean-temp",
     "docs:build": "vuepress build docs --clean-cache --clean-temp",
     "docs:preview": "http-server docs/.vuepress/dist",
     "vp-update": "npx vp-update"
diff --git a/start.bat b/start.bat
index 0502d1a..729c848 100644
--- a/start.bat
+++ b/start.bat
@@ -1,59 +1,2 @@
 @echo off
-setlocal ENABLEDELAYEDEXPANSION
-
-REM Usage:
-REM   start.bat [host] [port]
-REM Examples:
-REM   start.bat                -> try 0.0.0.0:4567, fallback to localhost and 5173
-REM   start.bat local 8080     -> localhost:8080
-REM   start.bat lan 4567       -> 0.0.0.0:4567
-
-set HOST=%~1
-if "%HOST%"=="" set HOST=0.0.0.0
-if /I "%HOST%"=="lan" set HOST=0.0.0.0
-if /I "%HOST%"=="local" set HOST=localhost
-
-set PORT=%~2
-if "%PORT%"=="" set PORT=4567
-set FALLBACK_PORT=5173
-
-echo [Start] VuePress dev on host %HOST% port %PORT%
-call npx vuepress@2.0.0-rc.24 dev docs --host %HOST% --port %PORT%
-if %ERRORLEVEL% EQU 0 goto success
-
-REM Fallback 1: switch to localhost same port
-if NOT "%HOST%"=="localhost" (
-  echo [Fallback] switch to localhost on same port %PORT%...
-  call npx vuepress@2.0.0-rc.24 dev docs --host localhost --port %PORT%
-  if %ERRORLEVEL% EQU 0 goto success
-)
-
-REM Fallback 2: clean cache and use localhost on fallback port
-if NOT "%PORT%"=="%FALLBACK_PORT%" (
-  echo [Fallback] clean cache and start on localhost:%FALLBACK_PORT%...
-  call npx vuepress@2.0.0-rc.24 dev docs --clean-cache --clean-temp --host localhost --port %FALLBACK_PORT%
-  if %ERRORLEVEL% EQU 0 (
-    set HOST=localhost
-    set PORT=%FALLBACK_PORT%
-    goto success
-  )
-)
-
-REM Fallback 3: try another common port
-set ALT_PORT=8080
-if NOT "%PORT%"=="%ALT_PORT%" (
-  echo [Fallback] try localhost:%ALT_PORT%...
-  call npx vuepress@2.0.0-rc.24 dev docs --host localhost --port %ALT_PORT%
-  if %ERRORLEVEL% EQU 0 (
-    set HOST=localhost
-    set PORT=%ALT_PORT%
-    goto success
-  )
-)
-
-echo [Error] Failed to start dev server. Please check firewall or port usage.
-exit /b 1
-
-:success
-echo [Ready] Open http://localhost:%PORT%/ (or http://%HOST%:%PORT%/ if accessible)
-exit /b 0
\ No newline at end of file
+npm run docs:dev -- --host 0.0.0.0 --port 8888