优化代码风格

main.py

@@ -1,18 +1,13 @@
-from PIL import Image
-import numpy as np
 import uvicorn
 import threading
 import time
 import os
 from fastapi import FastAPI
-# 新增：导入 CORS 相关依赖
 from fastapi.middleware.cors import CORSMiddleware
-
-# 导入 Flask 服务实例
-from app import app as flask_app
+from service.file_service import app as flask_app
 
 # 原有业务导入
-from core.all import load_model, detect
+from core.all import load_model
 from ds.config import SERVER_CONFIG
 from middle.error_handler import global_exception_handler
 from service.user_service import router as user_router