diff --git a/library_system/src/components/HeaderBar.vue b/library_system/src/components/HeaderBar.vue
index a301e25..a8679ce 100644
--- a/library_system/src/components/HeaderBar.vue
+++ b/library_system/src/components/HeaderBar.vue
@@ -66,18 +66,42 @@
 </template>
 
 <script setup>
-import { computed } from 'vue'
+
 import { useRouter } from 'vue-router'
 import { useStore } from 'vuex'
 import { ElMessage } from 'element-plus'
 import { Reading, ArrowDown } from '@element-plus/icons-vue'
 import { Wallet } from '@element-plus/icons-vue' 
+import { computed, onMounted } from 'vue'
+
 
 const store = useStore()
 const router = useRouter()
+
+// 添加 onMounted 钩子来获取用户信息
+onMounted(async () => {
+  // 只有在用户已认证时才获取用户信息
+  if (store.getters.isAuthenticated) {
+    await fetchUserInfo()
+  }
+})
+
+// 添加获取用户信息的方法
+async function fetchUserInfo() {
+  try {
+    // 只获取余额和VIP信息，不获取整个用户信息
+    await store.dispatch('fetchBalanceAndVip')
+  } catch (error) {
+    console.error('获取用户信息失败:', error)
+    // 避免在未登录状态下显示错误信息
+    if (store.getters.isAuthenticated) {
+      ElMessage.error('获取用户信息失败')
+    }
+  }
+}
+
 const vip = computed(() => store.state.vipLevel)
 const balance = computed(() => store.state.balance)
-
 const user = computed(() => store.state.user)
 const isAdmin = computed(() => store.getters.isAdmin)
 
@@ -94,6 +118,8 @@ const activeIndex = computed(() => {
   return ''
 })
 
+
+
 const handleSelect = (index) => {
   switch(index) {
     case 'home':
@@ -131,10 +157,6 @@ const goToRegister = () => {
   router.push('/register')
 }
 
-const goToProfile = () => {
-  router.push('/profile')
-}
-
 const goToRecharge = () => {
   router.push('/recharge')
 }
diff --git a/library_system/src/store/index.js b/library_system/src/store/index.js
index e0c9743..40746d2 100644
--- a/library_system/src/store/index.js
+++ b/library_system/src/store/index.js
@@ -1,18 +1,12 @@
 import { createStore } from 'vuex'
 import service from '../utils/request' 
 
-// // 配置axios基础路径
-// axios.defaults.baseURL = 'http://localhost:8877'
-// // 允许跨域携带cookie
-// axios.defaults.withCredentials = true
-
 export default createStore({
   state: {
     user: null,
     balance: 0,
     vipLevel: 0,
     borrowedBooks: []
-    
   },
   getters: {
     isAuthenticated: state => !!state.user,
@@ -44,13 +38,12 @@ export default createStore({
         { headers: { 'Content-Type': 'application/x-www-form-urlencoded' } }
       )
       
-      if (response.data.code !== 200) {
-        throw new Error(response.data.message || '登录失败')
-      }
-      
       // 登录成功后获取用户信息
-      await dispatch('fetchUser')
-      return response.data
+      const userInfo = await dispatch('fetchUser')
+      return {
+        ...response.data,
+        user: userInfo
+      }
     },
     
     // 用户注册
@@ -60,70 +53,82 @@ export default createStore({
         { headers: { 'Content-Type': 'application/x-www-form-urlencoded' } }
       )
       
-      if (response.data.code !== 200) {
-        throw new Error(response.data.message || '注册失败')
-      }
-      
       return response.data
     },
     
-    // 获取当前用户信息
-  async fetchUser({ commit, dispatch }) {
-  const response = await service.get('/user/getinfo')
-  
-  // 接口可能返回两种格式：
-  // 1. 带code的标准格式：{code:200, message:..., data: null}
-  // 2. 直接返回用户信息：{username: "张三", pic: "..."}
-  if (response.data.code === 200) {
-    // 情况1：如果code=200但data为null，可能接口直接在根节点返回用户信息
-    const userData = response.data.data || response.data; 
-    // 过滤掉非用户信息字段（如code/message）
-    const filteredUser = {
-      username: userData.username || '',
-      pic: userData.pic || ''
-    };
-    commit('setUser', filteredUser);
-    await dispatch('fetchBalanceAndVip');
-    await dispatch('fetchBorrowedBooks');
-  } else {
-    // 处理接口返回非200的情况（如未登录）
-    commit('setUser', null);
-  }
-  
-  return response.data;
-},
+    // 获取当前用户信息 - 符合接口文档
+    async fetchUser({ commit, dispatch }) {
+      try {
+        const userData = await service.get('/user/getinfo')
+        
+        // 用户信息接口直接返回用户对象
+        commit('setUser', {
+          username: userData.username || '',
+          pic: userData.pic || '',
+          admin: userData.admin || false
+        })
+        
+        // 获取关联信息
+        try {
+      await dispatch('fetchBalanceAndVip')
+    } catch (balanceError) {
+      console.error('获取余额信息失败:', balanceError)
+    }
+    
+    try {
+      await dispatch('fetchBorrowedBooks')
+    } catch (booksError) {
+      console.error('获取借阅书籍失败:', booksError)
+    }
+        
+        return userData
+      } catch (error) {
+        commit('clearUser')
+        throw error
+      }
+    },
     
-    // 获取余额和VIP等级
+    // 获取余额和VIP等级 
     async fetchBalanceAndVip({ commit }) {
-      const response = await service.post('/user/findmoney')
-      
-      if (response.data.code === 200) {
+      try {
+        const response = await service.post('/user/findmoney')
+        
         // 解析消息提取余额和VIP等级
-        const balanceMatch = response.data.message.match(/余额为：(\d+\.\d+)元/)
-        const vipMatch = response.data.message.match(/当前VIP等级为：(\d+)/)
+        const message = response.data.message || ''
+        const balanceMatch = message.match(/余额为：(\d+\.\d+)元/)
+        const vipMatch = message.match(/当前VIP等级为：(\d+)/)
         
         if (balanceMatch && vipMatch) {
           commit('setBalanceAndVip', {
             balance: parseFloat(balanceMatch[1]),
             vip: parseInt(vipMatch[1])
           })
+        } else {
+          console.error('无法解析余额信息:', message)
+          // 尝试从数据字段获取
+          if (response.data.data) {
+            commit('setBalanceAndVip', {
+              balance: parseFloat(response.data.data.balance) || 0,
+              vip: parseInt(response.data.data.vipLevel) || 0
+            })
+          }
         }
+        
+        return response.data
+      } catch (error) {
+        console.error('获取余额失败:', error)
+        throw error
       }
-      
-      return response.data
     },
     
-    // 账户充值
+    // 账户充值 
     async recharge(_, { money }) {
       const response = await service.post('/user/recharge', 
         `money=${money}`,
         { headers: { 'Content-Type': 'application/x-www-form-urlencoded' } }
       )
-      
-      if (response.data.code !== 200) {
-        throw new Error(response.data.message || '充值失败')
-      }
-      
+      // 充值后刷新余额
+      await dispatch('fetchBalanceAndVip')
       return response.data
     },
     
@@ -133,136 +138,130 @@ export default createStore({
       return { code: 200, message: '已退出登录' }
     },
     
-    // 获取借阅记录
+    // 查询个人借书记录 
     async fetchBorrowRecords() {
       const response = await service.get('/user/findone')
-      
-      if (response.data.code !== 200) {
-        throw new Error(response.data.message || '获取借阅记录失败')
-      }
-      
       return response.data
     },
     
     // 获取当前用户已借书籍
     async fetchBorrowedBooks({ commit }) {
-      const response = await service.get('/user/borrow/books')
-      
-      if (response.data.code === 200) {
-        commit('setBorrowedBooks', response.data.data || [])
-      }
-      
-      return response.data
-    },
+  const response = await service.get('/user/borrow/books')
+  
+  // 按照接口文档处理响应
+  if (response.data.code === 200) {
+    commit('setBorrowedBooks', response.data.data || [])
+  } else {
+    throw new Error(response.data.message || '获取已借书籍失败')
+  }
+  
+  return response.data
+},
     
-    // 借书
+    // 租借书籍 
     async borrowBook(_, { title }) {
       const response = await service.post('/borrow/borrowbook', 
         `title=${encodeURIComponent(title)}`,
         { headers: { 'Content-Type': 'application/x-www-form-urlencoded' } }
       )
       
-      if (response.data.code !== 200) {
-        throw new Error(response.data.message || '借阅失败')
-      }
-      
       return response.data
     },
     
-    // 还书
+    // 归还书籍 
     async returnBook(_, { title }) {
       const response = await service.post('/borrow/returnbook', 
         `title=${encodeURIComponent(title)}`,
         { headers: { 'Content-Type': 'application/x-www-form-urlencoded' } }
       )
       
-      if (response.data.code !== 200) {
-        throw new Error(response.data.message || '归还失败')
-      }
-      
       return response.data
     },
-    
    
+    // 查询全部书籍 - 符合接口文档
     async fetchBooks(_, params = {}) {
-      let url = '/api/select'
-      const queryParams = new URLSearchParams()
-      
-      if (params.page) queryParams.append('page', params.page)
-      if (params.pageSize) queryParams.append('pageSize', params.pageSize)
-      if (params.keyword) queryParams.append('title', params.keyword)
-      
-      if (queryParams.toString()) {
-        url += `?${queryParams.toString()}`
+      const config = {
+        params: {
+          page: params.page || 1,
+          pageSize: params.pageSize || 10,
+          title: params.keyword || ''
+        }
       }
       
-      const response = await service.get(url)
+      const response = await service.get('/api/select', config)
       
-      if (response.data.code !== 200) {
-        throw new Error(response.data.message || '获取书籍列表失败')
+      // 处理不同响应格式
+      let list = []
+      let total = 0
+      
+      if (Array.isArray(response)) {
+        list = response
+        total = response.length
+      } else if (Array.isArray(response.data)) {
+        list = response.data
+        total = response.data.length
+      } else if (response.data && Array.isArray(response.data.data)) {
+        list = response.data.data
+        total = response.data.total || response.data.data.length
+      } else if (response.data && Array.isArray(response.data.list)) {
+        list = response.data.list
+        total = response.data.total || response.data.list.length
       }
       
       return {
         data: {
-          list: response.data.data || [],
-          total: response.data.data?.length || 0
+          list,
+          total
         }
       }
     },
     
-    async fetchBookById(_, id) {
-      const response = await service.get(`/api/selectone?id=${id}`)
+    // 根据书名查单本书 - 符合接口文档
+     async fetchBookByTitle(_, title) {
+      const response = await service.get('/api/selectone', {
+        params: { title }
+      })
       
-      if (response.data.code !== 200) {
-        throw new Error(response.data.message || '获取书籍详情失败')
+      // 处理不同响应格式
+      let book = null
+      if (response.data) {
+        book = response.data.data || response.data
+      } else {
+        book = response
       }
       
-      return { data: response.data.data }
+      return { data: book }
     },
     
+    // 新增书籍 
     async addBook(_, bookData) {
       const response = await service.post('/api/add', bookData, {
         headers: { 'Content-Type': 'application/json' }
       })
       
-      if (response.data.code !== 200) {
-        throw new Error(response.data.message || '添加书籍失败')
-      }
-      
       return response.data
     },
     
+    // 管理员删除书籍 
     async deleteBook(_, { title }) {
       const response = await service.post('/user/delete', 
         `title=${encodeURIComponent(title)}`,
         { headers: { 'Content-Type': 'application/x-www-form-urlencoded' } }
       )
       
-      if (response.data.code !== 200) {
-        throw new Error(response.data.message || '删除书籍失败')
-      }
-      
       return response.data
     },
     
+    // 本周热租榜 - 符合接口文档
     async fetchWeeklyRank() {
       const response = await service.get('/api/rank/weekly')
-      
-      if (response.data.code !== 200) {
-        throw new Error(response.data.message || '获取本周热租榜失败')
-      }
-      
-      return { data: response.data.data || [] }
+      return { data: Array.isArray(response) ? response : response.data || [] }
     },
     
+    // 本月热租榜 - 符合接口文档
     async fetchMonthlyRank() {
       const response = await service.get('/api/rank/monthly')
-      
-      if (response.data.code !== 200) {
-        throw new Error(response.data.message || '获取本月热租榜失败')
-      }
-      
-      return { data: response.data.data || [] }
+      return { data: Array.isArray(response) ? response : response.data || [] }
     }
   }
-})
+})
\ No newline at end of file
diff --git a/library_system/src/utils/request.js b/library_system/src/utils/request.js
index 9bfce06..a962ded 100644
--- a/library_system/src/utils/request.js
+++ b/library_system/src/utils/request.js
@@ -1,4 +1,7 @@
 import axios from 'axios'
+import { ElMessage } from 'element-plus'
+import store from '../store/index'
+import router from '../router/index'
 
 // 创建axios实例
 const service = axios.create({
@@ -10,7 +13,7 @@ const service = axios.create({
 // 请求拦截器
 service.interceptors.request.use(
   config => {
-    // 这里可以添加token等全局请求头
+    
     return config
   },
   error => {
@@ -18,27 +21,46 @@ service.interceptors.request.use(
   }
 )
 
-// 响应拦截器
+// 响应拦截器 - 增强版
 service.interceptors.response.use(
   response => {
     const res = response.data
     
-    // 业务错误处理
-    if (res.code !== 200) {
-      ElMessage.error(res.message || '请求失败')
-      return Promise.reject(new Error(res.message || 'Error'))
+    // 只处理有 code 字段的响应
+    if (res && typeof res === 'object' && res.code !== undefined) {
+      // 业务错误处理 (code 不为 200)
+      if (res.code !== 200) {
+        ElMessage.error(res.message || '请求失败')
+        return Promise.reject(new Error(res.message || 'Error'))
+      }
+      // 成功响应返回整个响应对象
+      return response
     }
+    
+    // 没有 code 字段的响应直接返回数据
     return res
   },
   error => {
     // 处理HTTP错误
-    if (error.response && error.response.status === 401) {
-      // 未登录处理
-      store.dispatch('user/logout')
-      router.push('/login')
-      ElMessage.error('请先登录')
+    if (error.response) {
+      switch (error.response.status) {
+        case 401:
+          // 未登录处理
+          store.dispatch('logout')
+          router.push('/login')
+          ElMessage.error('请先登录')
+          break
+        case 403:
+          ElMessage.error('没有操作权限')
+          break
+        case 500:
+          ElMessage.error('服务器内部错误')
+          break
+        default:
+          ElMessage.error(error.message || '请求失败')
+      }
     } else {
-      ElMessage.error(error.message || '请求失败')
+      ElMessage.error('网络错误，请检查连接')
     }
     return Promise.reject(error)
   }
diff --git a/library_system/src/views/Auth/Login.vue b/library_system/src/views/Auth/Login.vue
index fb87837..d5a5fa7 100644
--- a/library_system/src/views/Auth/Login.vue
+++ b/library_system/src/views/Auth/Login.vue
@@ -79,7 +79,9 @@ const login = async () => {
     
     // 获取用户信息
     await store.dispatch('fetchUser')
-    
+    // 获取用户信息后，存入 localStorage
+    const userInfo = store.state.user
+    localStorage.setItem('userInfo', JSON.stringify(userInfo))
     // 跳转到首页
     router.push('/')
   } catch (error) {
diff --git a/library_system/src/views/Books/BookDetail.vue b/library_system/src/views/Books/BookDetail.vue
index 20ca523..f9f00fa 100644
--- a/library_system/src/views/Books/BookDetail.vue
+++ b/library_system/src/views/Books/BookDetail.vue
@@ -10,7 +10,7 @@
             <el-tag type="success" size="large">￥{{ book.money }}/天</el-tag>
           </div>
           <div class="status">
-            <el-tag :type="book.number > 0 ? 'success' : 'danger'" size="large">
+            <el-tag :type="book.state === '正常' ? 'success' : 'danger'" size="large">
               {{ book.state }}
             </el-tag>
             <span>阅读量: {{ book.number }}</span>
@@ -19,7 +19,7 @@
             <el-button 
               type="primary" 
               size="large" 
-              :disabled="book.state = '维护中'"
+              :disabled="book.state !== '正常'"
               @click="borrowBook"
               v-if="!isAdmin">
               立即借阅
@@ -56,7 +56,7 @@ const route = useRoute()
 const router = useRouter()
 const store = useStore()
 
-const bookId = route.params.id
+const bookTitle = route.params.title
 const book = ref(null)
 
 const isAdmin = computed(() => store.getters.isAdmin)
@@ -67,7 +67,7 @@ onMounted(async () => {
 
 const fetchBook = async () => {
   try {
-    const response = await store.dispatch('fetchBookById', bookId)
+    const response = await store.dispatch('fetchBookByTitle', bookTitle)
     book.value = response.data
   } catch (error) {
     console.error('获取书籍详情失败:', error)
diff --git a/library_system/src/views/Books/BookList.vue b/library_system/src/views/Books/BookList.vue
index 7c221ec..53f270f 100644
--- a/library_system/src/views/Books/BookList.vue
+++ b/library_system/src/views/Books/BookList.vue
@@ -44,7 +44,7 @@
           </div>
           <div class="book-status">
             <el-tag 
-              :type="book.state === '可借' ? 'success' : 'danger'" 
+              :type="book.state === '正常' ? 'success' : 'danger'" 
               size="small">
               {{ book.state }}
             </el-tag>
@@ -102,20 +102,7 @@ const fetchBooks = async () => {
   } catch (error) {
     console.error('获取书籍列表失败:', error)
     ElMessage.error('获取书籍列表失败')
-    books.value = [
-      { id: 1, title: '三体', url: 'https://picsum.photos/id/24/200/300', money: 5, number: 12, state: '可借', content: '科幻' },
-      { id: 2, title: '人类简史', url: 'https://picsum.photos/id/25/200/300', money: 4, number: 10, state: '可借', content: '历史' },
-      { id: 3, title: '百年孤独', url: 'https://picsum.photos/id/26/200/300', money: 6, number: 0, state: '维护中', content: '文学' },
-      { id: 4, title: '活着', url: 'https://picsum.photos/id/27/200/300', money: 3, number: 15, state: '可借', content: '小说' },
-      { id: 5, title: '追风筝的人', url: 'https://picsum.photos/id/28/200/300', money: 4, number: 9, state: '可借', content: '小说' },
-      { id: 6, title: '解忧杂货店', url: 'https://picsum.photos/id/29/200/300', money: 5, number: 7, state: '可借', content: '小说' },
-      { id: 7, title: '小王子', url: 'https://picsum.photos/id/30/200/300', money: 2, number: 20, state: '可借', content: '童话' },
-      { id: 8, title: '围城', url: 'https://picsum.photos/id/31/200/300', money: 4, number: 18, state: '可借', content: '文学' },
-      { id: 9, title: '月亮与六便士', url: 'https://picsum.photos/id/32/200/300', money: 5, number: 16, state: '可借', content: '小说' },
-      { id: 10, title: '哈利波特', url: 'https://picsum.photos/id/33/200/300', money: 7, number: 25, state: '可借', content: '魔幻' },
-      { id: 11, title: '水浒传', url: 'https://picsum.photos/id/34/200/300', money: 6, number: 14, state: '可借', content: '古典' },
-      { id: 12, title: '三国演义', url: 'https://picsum.photos/id/35/200/300', money: 6, number: 12, state: '可借',content: '古典' }
-    ]
+    
     total.value = books.value.length
   }
 }
diff --git a/library_system/src/views/Borrow/BorrowBook.vue b/library_system/src/views/Borrow/BorrowBook.vue
index 439da5f..2e64c5b 100644
--- a/library_system/src/views/Borrow/BorrowBook.vue
+++ b/library_system/src/views/Borrow/BorrowBook.vue
@@ -73,19 +73,10 @@ const fetchBooks = async () => {
     ElMessage.error('获取书籍列表失败')
      // 预设数据
      books.value = [
-       { id: 1, title: '三体', url: 'https://picsum.photos/id/24/200/300', money: 5, number: 12, state: '可借', content: '科幻' },
-      { id: 2, title: '人类简史', url: 'https://picsum.photos/id/25/200/300', money: 4, number: 10, state: '可借', content: '历史' },
+       { id: 1, title: '三体', url: 'https://picsum.photos/id/24/200/300', money: 5, number: 12, state: '正常', content: '科幻' },
+      { id: 2, title: '人类简史', url: 'https://picsum.photos/id/25/200/300', money: 4, number: 10, state: '正常', content: '历史' },
       { id: 3, title: '百年孤独', url: 'https://picsum.photos/id/26/200/300', money: 6, number: 0, state: '维护中', content: '文学' },
-      { id: 4, title: '活着', url: 'https://picsum.photos/id/27/200/300', money: 3, number: 15, state: '可借', content: '小说' },
-      { id: 5, title: '追风筝的人', url: 'https://picsum.photos/id/28/200/300', money: 4, number: 9, state: '可借', content: '小说' },
-      { id: 6, title: '解忧杂货店', url: 'https://picsum.photos/id/29/200/300', money: 5, number: 7, state: '可借', content: '小说' },
-      { id: 7, title: '小王子', url: 'https://picsum.photos/id/30/200/300', money: 2, number: 20, state: '可借', content: '童话' },
-      { id: 8, title: '围城', url: 'https://picsum.photos/id/31/200/300', money: 4, number: 18, state: '可借', content: '文学' },
-      { id: 9, title: '月亮与六便士', url: 'https://picsum.photos/id/32/200/300', money: 5, number: 16, state: '可借', content: '小说' },
-      { id: 10, title: '哈利波特', url: 'https://picsum.photos/id/33/200/300', money: 7, number: 25, state: '可借', content: '魔幻' },
-      { id: 11, title: '水浒传', url: 'https://picsum.photos/id/34/200/300', money: 6, number: 14, state: '可借', content: '古典' },
-      { id: 12, title: '三国演义', url: 'https://picsum.photos/id/35/200/300', money: 6, number: 12, state: '可借',content: '古典' }
-    ]
+        ]
     total.value = books.value.length
   }
 }
@@ -97,7 +88,7 @@ const searchBooks = () => {
 
 const handleBorrow = async (book) => {
   try {
-    if (book.number <= 0) {
+    if (book.state !=='正常') {
       ElMessage.warning('该书籍维护中，无法借阅')
       return
     }