优化代码风格

main.py

@@ -14,7 +14,7 @@ from service.user_service import router as user_router
 from service.sensitive_service import router as sensitive_router
 from service.face_service import router as face_router
 from service.device_service import router as device_router
-from service.model_service import router as model_router  # 模型管理路由
+from service.model_service import router as model_router
 from ws.ws import ws_router, lifespan
 from core.establish import create_directory_structure
 
@@ -81,7 +81,6 @@ app.add_exception_handler(Exception, global_exception_handler)
 
 # 主服务启动入口（不变）
 if __name__ == "__main__":
-    # 1. 初始化资源
     create_directory_structure()
     print(f"[初始化] 目录结构创建完成")