更新项目配置：添加.gitignore，清理日志和缓存文件，更新应用代码

app/__init__.py

@@ -3,8 +3,7 @@ Flask应用工厂
 """
 import logging
 from flask import Flask
-from .config import DEBUG, SECRET_KEY, HOST, PORT
-from .health import register_health_routes
+from .config import DEBUG, HOST, PORT
 from .routes.main import register_main_routes
 
 def create_app():
@@ -15,13 +14,11 @@ def create_app():
     
     # 配置
     app.config['DEBUG'] = DEBUG
-    app.config['SECRET_KEY'] = SECRET_KEY
     
     # 配置日志
     configure_logging(app)
     
     # 注册路由
-    register_health_routes(app)
     register_main_routes(app)
     
     return app
@@ -31,9 +28,16 @@ def configure_logging(app):
     if not app.debug:
         # 在生产环境中，将日志输出到文件
         import logging
+        import os
         from logging.handlers import RotatingFileHandler
         
-        file_handler = RotatingFileHandler('multi_camera.log', maxBytes=10240, backupCount=10)
+        # 日志目录
+        log_dir = './logs'
+        if not os.path.exists(log_dir):
+            os.makedirs(log_dir)
+        
+        log_file = os.path.join(log_dir, 'multi_camera.log')
+        file_handler = RotatingFileHandler(log_file, maxBytes=10240, backupCount=10)
         file_handler.setFormatter(logging.Formatter(
             '%(asctime)s - %(levelname)s - %(message)s'
         ))