diff --git a/app/script/run_qgis.bat b/app/script/run_qgis.bat
index 46c8efa..d2303d5 100644
--- a/app/script/run_qgis.bat
+++ b/app/script/run_qgis.bat
@@ -1,53 +1,52 @@
 @echo off
 REM ============================================================
 REM QGIS 子进程启动脚本（Windows）
-REM 需要 QGIS_ROOT 环境变量指向 QGIS 安装目录
-REM 自动检测 qgis-ltr 或 qgis 应用目录
+REM 自动检测 QGIS 安装结构，支持 qgis-ltr/qgis + Python312/Python39
 REM ============================================================
-setlocal enabledelayedexpansion
 
-if not defined QGIS_ROOT (
-    echo [ERROR] QGIS_ROOT 环境变量未设置
-    exit /b 1
-)
+if "%QGIS_ROOT%"=="" goto :no_root
+if not exist "%QGIS_ROOT%" goto :no_root_dir
 
-if not exist "%QGIS_ROOT%" (
-    echo [ERROR] QGIS_ROOT 目录不存在: %QGIS_ROOT%
-    exit /b 1
-)
+REM --- 检测 QGIS 应用目录 ---
+set "QGIS_APP=%QGIS_ROOT%\apps\qgis-ltr"
+if not exist "%QGIS_APP%" set "QGIS_APP=%QGIS_ROOT%\apps\qgis"
+if not exist "%QGIS_APP%" goto :no_qgis_app
 
-REM 自动检测 QGIS 应用目录（qgis-ltr 或 qgis）
-set "QGIS_APP_DIR="
-if exist "%QGIS_ROOT%\apps\qgis-ltr" (
-    set "QGIS_APP_DIR=%QGIS_ROOT%\apps\qgis-ltr"
-) else if exist "%QGIS_ROOT%\apps\qgis" (
-    set "QGIS_APP_DIR=%QGIS_ROOT%\apps\qgis"
-) else (
-    echo [ERROR] 未找到 QGIS 应用目录 (apps\qgis-ltr 或 apps\qgis)
-    exit /b 1
-)
+REM --- 检测 Python 目录 ---
+set "PY=%QGIS_ROOT%\apps\Python312"
+if not exist "%PY%" set "PY=%QGIS_ROOT%\apps\Python39"
+if not exist "%PY%" set "PY=%QGIS_ROOT%\apps\Python310"
+if not exist "%PY%" set "PY=%QGIS_ROOT%\apps\Python311"
+if not exist "%PY%" goto :no_python
 
-REM 自动检测 Python 版本目录（Python312 / Python39 / Python3）
-set "PYTHONHOME="
-for /d %%d in ("%QGIS_ROOT%\apps\Python3*") do set "PYTHONHOME=%%d"
-if "%PYTHONHOME%"=="" (
-    echo [ERROR] 未找到 QGIS Python 目录
-    exit /b 1
-)
-
-set "PYTHONPATH=%QGIS_APP_DIR%\python"
-set "QGIS_PREFIX_PATH=%QGIS_APP_DIR%"
-set "QT_PLUGIN_PATH=%QGIS_APP_DIR%\qtplugins;%QGIS_ROOT%\apps\Qt5\plugins"
+REM --- 设置环境 ---
+set "PYTHONHOME=%PY%"
+set "PYTHONPATH=%QGIS_APP%\python"
+set "QGIS_PREFIX_PATH=%QGIS_APP%"
+set "QT_PLUGIN_PATH=%QGIS_APP%\qtplugins;%QGIS_ROOT%\apps\Qt5\plugins"
 set "GDAL_DATA=%QGIS_ROOT%\apps\gdal\share\gdal"
 set "PYTHONUTF8=1"
 set "GDAL_FILENAME_IS_UTF8=YES"
 set "VSI_CACHE=TRUE"
 set "VSI_CACHE_SIZE=1000000"
-set "PATH=%QGIS_APP_DIR%\bin;%QGIS_ROOT%\apps\Qt5\bin;%QGIS_ROOT%\apps\gdal\lib;%PATH%"
+set "PATH=%QGIS_APP%\bin;%QGIS_ROOT%\apps\Qt5\bin;%QGIS_ROOT%\apps\gdal\lib;%PATH%"
 
-if not exist "%PYTHONHOME%\python3.exe" (
-    echo [ERROR] QGIS Python 不存在: %PYTHONHOME%\python3.exe
-    exit /b 1
-)
+REM --- 启动 ---
+"%PY%\python3.exe" %*
+exit /b %ERRORLEVEL%
 
-"%PYTHONHOME%\python3.exe" %*
+:no_root
+echo [ERROR] QGIS_ROOT 环境变量未设置
+exit /b 1
+
+:no_root_dir
+echo [ERROR] QGIS_ROOT 目录不存在: %QGIS_ROOT%
+exit /b 1
+
+:no_qgis_app
+echo [ERROR] 未找到 QGIS 应用目录
+exit /b 1
+
+:no_python
+echo [ERROR] 未找到 QGIS Python 目录
+exit /b 1