diff --git a/server/src/app.ts b/server/src/app.ts
index 3eb0280..1e9b06e 100644
--- a/server/src/app.ts
+++ b/server/src/app.ts
@@ -12,6 +12,12 @@ const app = express();
 // 连接数据库
 connectDB();
 
+// 添加请求日志中间件 (放在最前面)
+app.use((req, res, next) => {
+  console.log(`收到请求: ${req.method} ${req.url}`);
+  next();
+});
+
 // 中间件
 app.use(cors({
   origin: 'http://localhost:5173',
@@ -20,8 +26,8 @@ app.use(cors({
 app.use(express.json());
 
 // 路由
-app.use('/api/todos', todoRoutes);
-app.use('/api/auth', authRoutes);
+app.use('/todos', todoRoutes);
+app.use('/auth', authRoutes);
 
 // 错误处理中间件
 app.use((err: any, req: express.Request, res: express.Response, next: express.NextFunction) => {
diff --git a/server/src/controllers/todoController.ts b/server/src/controllers/todoController.ts
index 37edb94..93f96ba 100644
--- a/server/src/controllers/todoController.ts
+++ b/server/src/controllers/todoController.ts
@@ -1,6 +1,7 @@
 import { Request, Response, NextFunction } from 'express';
 import Todo, { ITodo } from '../models/Todo';
 import jwt from 'jsonwebtoken';
+import mongoose from 'mongoose'; // 导入 mongoose
 
 const JWT_SECRET = process.env.JWT_SECRET || 'secret_key';
 
@@ -22,62 +23,100 @@ export const authMiddleware = (req: any, res: Response, next: NextFunction): voi
 };
 
 // 获取所有待办事项（只返回当前用户的）
-export const getAllTodos = async (req: Request & { user?: any }, res: Response) => {
+export const getAllTodos = async (req: Request & { user?: any }, res: Response): Promise<Response> => {
   try {
     const todos = await Todo.find({ user: req.user.userId }).sort({ createdAt: -1 });
-    res.status(200).json(todos);
+    return res.status(200).json(todos);
   } catch (error) {
-    res.status(500).json({ message: '获取待办事项失败', error });
+    console.error("Error in getAllTodos:", error);
+    return res.status(500).json({ message: '获取待办事项失败', error });
   }
 };
 
 // 创建新的待办事项（自动绑定 user）
-export const createTodo = async (req: Request & { user?: any }, res: Response) => {
+export const createTodo = async (req: Request & { user?: any }, res: Response): Promise<Response> => {
   try {
-    const { title, priority = 'medium' } = req.body;
+    const { title, description = '', priority = 'medium' } = req.body;
     const todo = new Todo({
       title,
+      description,
       priority,
       user: req.user.userId
     });
     const savedTodo = await todo.save();
-    res.status(201).json(savedTodo);
+    return res.status(201).json(savedTodo);
   } catch (error) {
-    res.status(400).json({ message: '创建待办事项失败', error });
+    console.error("Error in createTodo:", error);
+    return res.status(400).json({ message: '创建待办事项失败', error });
   }
 };
 
 // 更新待办事项
-export const updateTodo = async (req: Request & { user?: any }, res: Response) => {
+export const updateTodo = async (req: Request & { user?: any }, res: Response): Promise<Response> => {
   try {
-    const todo = await Todo.findOne({ _id: req.params.id, user: req.user.userId });
+    const { id } = req.params; // 使用 id 作为参数名，便于匹配
+    if (!mongoose.Types.ObjectId.isValid(id)) {
+      return res.status(400).json({ message: '无效的待办事项 ID' });
+    }
+
+    const todo = await Todo.findOne({ _id: id, user: req.user.userId });
     if (!todo) {
-      return res.status(404).json({ message: '待办事项不存在' });
+      return res.status(404).json({ message: '待办事项不存在或无权访问' });
     }
 
     const updatedTodo = await Todo.findByIdAndUpdate(
-      req.params.id,
+      id,
       { ...req.body },
       { new: true, runValidators: true }
     );
     
-    res.status(200).json(updatedTodo);
+    return res.status(200).json(updatedTodo);
   } catch (error) {
-    res.status(400).json({ message: '更新待办事项失败', error });
+    console.error("Error in updateTodo:", error);
+    return res.status(400).json({ message: '更新待办事项失败', error });
+  }
+};
+
+// 切换待办事项完成状态
+export const toggleTodoStatus = async (req: Request & { user?: any }, res: Response): Promise<Response> => {
+  try {
+    const { id } = req.params;
+    if (!mongoose.Types.ObjectId.isValid(id)) {
+      return res.status(400).json({ message: '无效的待办事项 ID' });
+    }
+
+    const todo = await Todo.findOne({ _id: id, user: req.user.userId });
+    if (!todo) {
+      return res.status(404).json({ message: '待办事项不存在或无权访问' });
+    }
+
+    todo.completed = !todo.completed; // 切换完成状态
+    const updatedTodo = await todo.save();
+    
+    return res.status(200).json(updatedTodo);
+  } catch (error) {
+    console.error("Error in toggleTodoStatus:", error);
+    return res.status(400).json({ message: '切换状态失败', error });
   }
 };
 
 // 删除待办事项
-export const deleteTodo = async (req: Request & { user?: any }, res: Response) => {
+export const deleteTodo = async (req: Request & { user?: any }, res: Response): Promise<Response> => {
   try {
-    const todo = await Todo.findOne({ _id: req.params.id, user: req.user.userId });
-    if (!todo) {
-      return res.status(404).json({ message: '待办事项不存在' });
+    const { id } = req.params;
+    if (!mongoose.Types.ObjectId.isValid(id)) {
+      return res.status(400).json({ message: '无效的待办事项 ID' });
     }
 
-    await Todo.findByIdAndDelete(req.params.id);
-    res.status(200).json({ message: '待办事项已删除' });
+    const todo = await Todo.findOne({ _id: id, user: req.user.userId });
+    if (!todo) {
+      return res.status(404).json({ message: '待办事项不存在或无权访问' });
+    }
+
+    await Todo.findByIdAndDelete(id);
+    return res.status(200).json({ message: '待办事项已删除' });
   } catch (error) {
-    res.status(400).json({ message: '删除待办事项失败', error });
+    console.error("Error in deleteTodo:", error);
+    return res.status(400).json({ message: '删除待办事项失败', error });
   }
 }; 
\ No newline at end of file
diff --git a/server/src/routes/todoRoutes.ts b/server/src/routes/todoRoutes.ts
index 04aa88d..6d333f7 100644
--- a/server/src/routes/todoRoutes.ts
+++ b/server/src/routes/todoRoutes.ts
@@ -4,6 +4,7 @@ import {
   createTodo,
   updateTodo,
   deleteTodo,
+  toggleTodoStatus,
   authMiddleware
 } from '../controllers/todoController';
 
@@ -12,6 +13,7 @@ const router = Router();
 router.get('/', authMiddleware, getAllTodos);
 router.post('/', authMiddleware, createTodo);
 router.put('/:id', authMiddleware, updateTodo);
+router.patch('/:id/toggle', authMiddleware, toggleTodoStatus);
 router.delete('/:id', authMiddleware, deleteTodo);
 
 export default router; 
\ No newline at end of file