diff --git a/app/services/qgis/qgis_env.py b/app/services/qgis/qgis_env.py
index 615e9f1..ff2c560 100644
--- a/app/services/qgis/qgis_env.py
+++ b/app/services/qgis/qgis_env.py
@@ -111,7 +111,23 @@ def get_runner_script() -> str:
 
 def _generate_bat_wrapper(qgis_root: str, python_path: str, runner_script: str) -> str:
     """生成 .bat 包装脚本，设置 QGIS 环境变量并启动 runner"""
-    qgis_app_dir = os.path.join(qgis_root, "apps", "qgis-ltr").replace("/", "\\")
+    # 自动检测 QGIS 应用目录（qgis-ltr 或 qgis）
+    qgis_app_dir = os.path.join(qgis_root, "apps", "qgis-ltr")
+    if not os.path.isdir(qgis_app_dir):
+        qgis_app_dir = os.path.join(qgis_root, "apps", "qgis")
+    qgis_app_dir = qgis_app_dir.replace("/", "\\")
+
+    # 自动检测 PROJ 目录
+    proj_data = ""
+    for pd in [
+        os.path.join(qgis_app_dir, "share", "proj"),
+        os.path.join(qgis_root, "share", "proj"),
+        os.path.join(qgis_root, "apps", "gdal", "share", "proj"),
+    ]:
+        if os.path.isfile(os.path.join(pd, "proj.db")):
+            proj_data = pd.replace("/", "\\")
+            break
+
     python_dir = os.path.join(qgis_root, "apps", "Python312").replace("/", "\\")
     qt5_plugins = os.path.join(qgis_root, "apps", "Qt5", "plugins").replace("/", "\\")
     qtplugins = os.path.join(qgis_app_dir, "qtplugins").replace("/", "\\")
@@ -121,12 +137,16 @@ def _generate_bat_wrapper(qgis_root: str, python_path: str, runner_script: str)
     qt5_bin = os.path.join(qgis_root, "apps", "Qt5", "bin").replace("/", "\\")
     gdal_lib = os.path.join(qgis_root, "apps", "gdal", "lib").replace("/", "\\")
 
+    proj_line = f'set "PROJ_DATA={proj_data}"' if proj_data else "REM PROJ_DATA not found"
+
     bat_content = f"""@echo off
+chcp 65001 >nul
 set "PYTHONHOME={python_dir}"
 set "PYTHONPATH={qgis_python_dir}"
 set "QGIS_PREFIX_PATH={qgis_app_dir}"
 set "QT_PLUGIN_PATH={qtplugins};{qt5_plugins}"
 set "GDAL_DATA={gdal_data}"
+{proj_line}
 set "PYTHONUTF8=1"
 set "GDAL_FILENAME_IS_UTF8=YES"
 set "VSI_CACHE=TRUE"
diff --git a/app/utils/logger.py b/app/utils/logger.py
index e835efd..8a6190b 100644
--- a/app/utils/logger.py
+++ b/app/utils/logger.py
@@ -1,33 +1,43 @@
 """
 日志工具类
-使用 loguru 提供增强的日志功能，支持按天分割、自动清理过期日志
+主进程使用 loguru，QGIS 子进程（无 loguru）回退到标准 logging。
 """
 import sys
 from pathlib import Path
-from loguru import logger
+
+try:
+    from loguru import logger
+    _HAS_LOGURU = True
+except ImportError:
+    _HAS_LOGURU = False
+    import logging
 
 
 class LoggerManager:
-    """日志管理器 - 基于 loguru"""
+    """日志管理器"""
 
     _configured = False
 
     @classmethod
     def get_logger(cls, name: str = "algorithm", log_dir: str = "logs"):
-        """
-        获取日志记录器（loguru 不需要传统意义上的 logger 实例）
-
-        Args:
-            name: 日志名称（用于文件命名）
-            log_dir: 日志目录
-
-        Returns:
-            loguru.logger 实例
-        """
+        if not _HAS_LOGURU:
+            return cls._get_stdlib_logger(name)
         if not cls._configured:
             cls._configure_loguru(name, log_dir)
         return logger
 
+    @classmethod
+    def _get_stdlib_logger(cls, name: str):
+        lg = logging.getLogger(name)
+        if not lg.handlers:
+            lg.setLevel(logging.INFO)
+            h = logging.StreamHandler(sys.stderr)
+            h.setFormatter(logging.Formatter(
+                "%(asctime)s [%(threadName)s] %(levelname)-5s %(name)s - %(message)s"
+            ))
+            lg.addHandler(h)
+        return lg
+
     @classmethod
     def _configure_loguru(cls, name: str, log_dir: str):
         """