diff --git a/auth.js b/auth.js
deleted file mode 100644
index fb0c64b..0000000
--- a/auth.js
+++ /dev/null
@@ -1,67 +0,0 @@
-const jwt = require('jsonwebtoken');
-const User = require('../models/User');
-const { jwtSecret } = require('../config');
-
-// 用户注册
-exports.register = async (req, res, next) => {
-    try {
-        const { username, password, role } = req.body;
-
-        // 检查用户名是否存在
-        const existingUser = await User.findOne({ username });
-        if (existingUser) {
-            return res.status(400).json({ message: 'Username already exists' });
-        }
-
-        // 创建新用户
-        const user = new User({ username, password, role });
-        await user.save();
-
-        // 生成JWT
-        const token = jwt.sign({ id: user._id, role: user.role }, jwtSecret, {
-            expiresIn: '1h'
-        });
-
-        res.status(201).json({ token, user: { id: user._id, username: user.username, role: user.role } });
-    } catch (err) {
-        next(err);
-    }
-};
-
-// 用户登录
-exports.login = async (req, res, next) => {
-    try {
-        const { username, password } = req.body;
-
-        // 查找用户
-        const user = await User.findOne({ username });
-        if (!user) {
-            return res.status(401).json({ message: 'Invalid credentials' });
-        }
-
-        // 验证密码
-        const isMatch = await user.comparePassword(password);
-        if (!isMatch) {
-            return res.status(401).json({ message: 'Invalid credentials' });
-        }
-
-        // 生成JWT
-        const token = jwt.sign({ id: user._id, role: user.role }, jwtSecret, {
-            expiresIn: '1h'
-        });
-
-        res.json({ token, user: { id: user._id, username: user.username, role: user.role } });
-    } catch (err) {
-        next(err);
-    }
-};
-
-// 获取当前用户信息
-exports.getMe = async (req, res, next) => {
-    try {
-        const user = await User.findById(req.user.id).select('-password');
-        res.json(user);
-    } catch (err) {
-        next(err);
-    }
-};
\ No newline at end of file