diff --git a/.gitignore b/.gitignore
index 9c24048..b1fe85c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
-data.db
+# DataBase
+*.db
 
 # environment
 .venv/
@@ -9,5 +10,5 @@ data.db
 # Byte-compiled / optimized / DLL files
 __pycache__/
 
-# C extensions
-*.so
+# VsCodeCounter Data
+.VSCodeCounter/
\ No newline at end of file
diff --git a/admin.py b/admin.py
index da739b7..745beec 100644
--- a/admin.py
+++ b/admin.py
@@ -9,21 +9,14 @@ Description: Findreve 后台管理 admin
 Copyright (c) 2018-2024 by 于小丘Yuerchu, All Rights Reserved. 
 '''
 
-from nicegui import ui, app
-from typing import Optional
+from nicegui import ui
 from typing import Dict
-import traceback
 import model
-import asyncio
 import qrcode
 import base64
 from io import BytesIO
-from PIL import Image
 from fastapi import Request
-import json
-import requests
 from tool import *
-from fastapi.responses import RedirectResponse
 from datetime import datetime
 
 
diff --git a/login.py b/login.py
index 3b5beb6..96163a4 100644
--- a/login.py
+++ b/login.py
@@ -11,24 +11,23 @@ Copyright (c) 2018-2024 by 于小丘Yuerchu, All Rights Reserved.
 
 from nicegui import ui, app
 from typing import Optional
-import traceback
-import asyncio
 import model
 import tool
 from fastapi.responses import RedirectResponse
+from fastapi import Request
 
 def create() -> Optional[RedirectResponse]:
     @ui.page('/login')
-    async def session(redirect_to: str = '/'):
+    async def session(request: Request, redirect_to: str = "/"):
         # 检测是否已登录
         if app.storage.user.get('authenticated', False):
-            ui.navigate.to(redirect_to)
+            return ui.navigate.to(redirect_to)
         
         ui.page_title('登录 Findreve')
         async def try_login() -> None:
             app.storage.user.update({'authenticated': True})
             # 跳转到用户上一页
-            ui.navigate.to(redirect_to)
+            ui.navigate.to(app.storage.user.get('referrer_path', '/'))
 
         async def login():
             if username.value == "" or password.value == "":
diff --git a/main.py b/main.py
index e74685f..a30254e 100644
--- a/main.py
+++ b/main.py
@@ -9,12 +9,11 @@ Description: Findreve
 Copyright (c) 2018-2024 by 于小丘Yuerchu, All Rights Reserved. 
 '''
 
-from nicegui import app, ui, Client
+from nicegui import app, ui
 from fastapi import Request
 from starlette.middleware.base import BaseHTTPMiddleware
 from fastapi.responses import RedirectResponse, JSONResponse
-import hashlib
-import inspect
+import traceback
 
 import notfound
 import main_page
@@ -39,39 +38,51 @@ AUTH_CONFIG = {
     "session_expire": 3600  # 会话过期时间
 }
 
-# 登录验证中间件 Login verification middleware
+def is_restricted_route(path: str) -> bool:
+    """判断路径是否为需要认证的受限路由"""
+    # NiceGUI 路由不受限制
+    if path.startswith('/_nicegui'):
+        return False
+
+    # 静态资源路径不受限制
+    if path.startswith('/static'):
+        return False
+    
+    # 主题路径不受限制
+    if path.startswith('/theme'):
+        return False
+        
+    # 后台路径始终受限
+    if path.startswith('/admin'):
+        return True
+        
+    # 检查是否为受限的客户端页面路由
+    if path.startswith('/dash') or path.startswith('/user'):
+        return True
+        
 class AuthMiddleware(BaseHTTPMiddleware):
-    # 异步处理每个请求
     async def dispatch(self, request: Request, call_next):
         try:
-            logging.info(f"访问路径: {request.url.path},"
-                         f"认证状态: {app.storage.user.get('authenticated')}")
             if not app.storage.user.get('authenticated', False):
-                # 如果请求的路径不是nicegui的静态文件，并且不在unrestricted_page_routes中
-                if not request.url.path.startwith('/_nicegui') \
-                and request.url.path in AUTH_CONFIG["restricted_routes"]:
-                    logging.warning(f"未认证用户尝试访问: {request.url.path}")
-                    # 记录用户想访问的路径 Record the user's intended path
-                    app.storage.user['referrer_path'] = request.url.path
-                    # 重定向到登录页面 Redirect to the login page
-                    return RedirectResponse(f'/login?redirect_to={request.url.path}')
-            # 否则，继续处理请求 Otherwise, continue processing the request
+                path = request.url.path
+                
+                if is_restricted_route(path):
+                    logging.warning(f"未认证用户尝试访问: {path}")
+                    return RedirectResponse(f'/login?redirect_to={path}')
+                    
             return await call_next(request)
-
         except Exception as e:
-            # 记录错误日志
-            logging.error(f"认证中间件错误: {str(e)}")
-            # 返回适当的错误响应
-            return JSONResponse(
-                status_code=500,
-                content={"detail": "服务器内部错误"}
-            )
+            logging.error(f"服务器错误 Server error: {str(traceback.format_exc())}")
+            return JSONResponse(status_code=500, content={"detail": e})
 
 # 添加中间件 Add middleware
 app.add_middleware(AuthMiddleware)
 
 # 添加静态文件目录
-app.add_static_files(url_path='/static', local_directory='static')
+try:
+    app.add_static_files(url_path='/static', local_directory='static')
+except RuntimeError:
+    logging.error('无法挂载静态目录')
 
 # 启动函数 Startup function
 def startup():
diff --git a/tool.py b/tool.py
index 7486c93..0386abc 100644
--- a/tool.py
+++ b/tool.py
@@ -14,12 +14,7 @@ import random
 import hashlib
 import binascii
 import logging
-import qrcode
-from typing import Optional
-from io import BytesIO
-from pathlib import Path
-import base64
-from datetime import datetime, timezone, timedelta
+from datetime import datetime, timezone
 import os
 
 def format_phone(phone: str, groups: list = None, separator: str = " ", private: bool = False) -> str: