清理项目配置文件，移除不再使用的.idea文件和更新文档中的Python版本要求

app.py

@@ -1,6 +1,6 @@
 from fastapi import FastAPI
 from fastapi.responses import FileResponse
-from fastapi import Request, HTTPException
+from fastapi import Request
 from contextlib import asynccontextmanager
 from slowapi import Limiter, _rate_limit_exceeded_handler
 from slowapi.util import get_remote_address
@@ -11,6 +11,7 @@ from routes import (session, admin, object)
 from model.database import Database
 import os
 import pkg.conf
+from pkg import utils
 
 from loguru import logger
 
@@ -54,21 +55,21 @@ app.state.limiter = limiter
 app.add_exception_handler(RateLimitExceeded, _rate_limit_exceeded_handler)
 
 @app.get("/")
-def read_root():
+async def frontend_index():
     if not os.path.exists("dist/index.html"):
-        raise HTTPException(status_code=404)
+        utils.raise_not_found("Index not found")
     return FileResponse("dist/index.html")
 
 # 回退路由
 @app.get("/{path:path}")
-async def serve_spa(request: Request, path: str):
+async def frontend_path(path: str):
     if not os.path.exists("dist/index.html"):
-        raise HTTPException(status_code=404)
-    
+        utils.raise_not_found("Index not found, please build frontend first.")
+
     # 排除API路由
     if path.startswith("api/"):
-        raise HTTPException(status_code=404)
-    
+        utils.raise_not_found("API route not found")
+
     # 检查是否是静态资源请求
     if path.startswith("assets/") and os.path.exists(f"dist/{path}"):
         return FileResponse(f"dist/{path}")