diff --git a/api/user.js b/api/user.js
index 47fa112..d1c03d0 100644
--- a/api/user.js
+++ b/api/user.js
@@ -101,4 +101,55 @@ export function FetchUnbindReadCard(data) {
     method: 'POST',
     data
   });
-}
\ No newline at end of file
+}
+
+// 读者留言列表
+// ?libcode=1&openId=1&page=0&phone=1&readCardNo=1&readName=1&size=10&title=1
+export function FetchInitReaderMessage(data) {
+  return request({
+    url: '/api/weixin/initReaderMessage',
+    data
+  });
+}
+
+// 根据id查看读者留言详情
+// ?id=1
+export function FetchReaderMessageDetailsById(data) {
+  return request({
+    url: '/api/weixin/getReaderMessageDetailsById',
+    data
+  });
+}
+
+// 读者留言  
+// {
+//   "libcode": "馆代码",
+//   "openid": "string",
+//   "phone": "联系方式",
+//   "readCardNo": "读者证号",
+//   "readName": "读者名称",
+//   "suggestion": "建议",
+//   "title": "标题"
+// }
+export function FetchReaderMessage(data) {
+  return request({
+    url: '/api/weixin/readerMessage',
+    method: 'POST',
+    data
+  });
+}
+
+// 回复读者留言
+// {
+//   "id": 0,
+//   "reply": "回复"
+// }
+export function FetchReplyReaderMessage(data) {
+  return request({
+    url: '/api/weixin/replyReaderMessage',
+    method: 'POST',
+    data
+  });
+}
+
+
diff --git a/components/book-list-item/book-list-item.vue b/components/book-list-item/book-list-item.vue
index 97a5e05..5431d41 100644
--- a/components/book-list-item/book-list-item.vue
+++ b/components/book-list-item/book-list-item.vue
@@ -4,7 +4,7 @@
       <view class="item-box-left">
         <image 
         class="img-item"
-        :src="data.base64Cover || data.cover || data.imgCover || '/static/images/default-book.png'"
+        :src="actualCover"
         mode="scaleToFill"
         @error="onImgError"
       ></image>
@@ -19,8 +19,6 @@
 </template>
 
 <script>
-import config from '@/utils/config';
-
 export default {
   name: "book-list-item",
   props: {
@@ -29,12 +27,61 @@ export default {
       required: true
     }
   },
-  data() {
-    return {
-      baseUrl: config.baseUrl
+  computed: {
+    actualCover() {
+      // 优先级：base64Cover > cover > imgCover
+      
+      // base64Cover 是本地 base64 图片，直接使用，不需要检查
+      if (this.data.base64Cover) {
+        return this.data.base64Cover;
+      }
+      
+      // cover 和 imgCover 需要检查有效性
+      const cover = this.data.cover || this.data.imgCover;
+      
+      // 如果有封面链接，检查是否是无效域名
+      if (cover && this.isValidCoverLink(cover)) {
+        return cover;
+      }
+      
+      // 返回默认图片
+      return '/static/images/default-book.png';
     }
   },
   methods: {
+    /**
+     * 检查封面链接是否有效
+     * @param {string} coverlink - 封面链接
+     * @returns {boolean} - 是否有效
+     */
+    isValidCoverLink(coverlink) {
+      if (!coverlink || typeof coverlink !== 'string') {
+        return false;
+      }
+      
+      // 检查是否包含 http
+      if (coverlink.indexOf('http') === -1) {
+        return false;
+      }
+      
+      // 已知无法访问的域名列表
+      const blockedDomains = [
+        'doubanio.com',
+        'douban.com'
+      ];
+      
+      // 检查是否包含被阻止的域名
+      for (const domain of blockedDomains) {
+        if (coverlink.includes(domain)) {
+          return false;
+        }
+      }
+      
+      return true;
+    },
+    /**
+     * 图片加载失败处理
+     */
     onImgError(e) {
       e.target.src = "/static/images/default-book.png";
     }
@@ -49,11 +96,9 @@ export default {
     display: flex;
     justify-content: flex-start;
     align-items: flex-start;
-    // margin: 0 10px;
     padding: 10px;
     background-color: #fff;
     border-radius: 6px;
-    // box-shadow: 0 1px 4px rgba(0,0,0,0.08);
     border-bottom: 1px solid #f4f4f4;
     .item-box-left {
       margin-right: 8px;
@@ -96,9 +141,8 @@ export default {
         display: flex;
         justify-content: space-between;
         align-items: center;
-
       }
     }
   }
 }
-</style>
\ No newline at end of file
+</style>
diff --git a/subpkg/pages/collect-list/collect-list.vue b/subpkg/pages/collect-list/collect-list.vue
index 5994fd6..5748069 100644
--- a/subpkg/pages/collect-list/collect-list.vue
+++ b/subpkg/pages/collect-list/collect-list.vue
@@ -28,6 +28,7 @@ import BookListItem from "@/components/book-list-item/book-list-item.vue";
 import { FetchFindAllBookCollectionByOpenId } from '@/api/book';
 import { getOpenId } from '@/utils/storage';
 import config from '@/utils/config';
+import { loadBookCovers } from '@/utils/bookCover';
 
 export default {
 	components: {
@@ -67,8 +68,20 @@ export default {
 		if (this.noMore || this.isLoading) return;
 		this.loadMore();
 	},
-
 	methods: {
+    // getTest(){
+    //   //   34352,36153
+    //    wx.request({
+    //     url: `http://218.200.95.251:8081/opac/getExistsBookrecnoList/41534`,
+    //     method: 'POST',
+    //     success: (res) => {
+    //       console.log(res.data || []);
+    //     },
+    //     fail: () => {
+    //       resolve([]);
+    //     }
+    //   });
+    // },
 		async loadData() {
 			this.isLoading = true;
 			try {
@@ -90,6 +103,9 @@ export default {
 				this.bookCollectList = res.data.content || [];
 				this.noMore = (res.data.content || []).length < this.pageSize;
 				this.hasLoadedAll = this.noMore;
+				
+				// 加载封面
+				this.loadCoversForList();
 			} else {
 					uni.showToast({ title: res.message || '获取收藏列表失败', icon: 'none' });
 				}
@@ -142,6 +158,11 @@ export default {
 					const newData = res.data.content || [];
 					this.bookCollectList = [...this.bookCollectList, ...newData];
 					this.noMore = newData.length < this.pageSize;
+					
+					// 为新加载的数据加载封面
+					if (newData.length > 0) {
+						await this.loadCoversForList();
+					}
 				} else {
 					this.pageNum--;
 					uni.showToast({ title: res.message || '加载更多失败', icon: 'none' });
@@ -154,6 +175,16 @@ export default {
 				this.isLoading = false;
 			}
 		},
+		async loadCoversForList() {
+			await loadBookCovers(this.bookCollectList, (index, coverUrl) => {
+				console.log('index', index);
+				console.log('coverUrl', coverUrl);
+				if (this.bookCollectList[index]) {
+					// 使用 Vue.set 确保响应式更新
+					this.$set(this.bookCollectList[index], 'cover', coverUrl);
+				}
+			});
+		},
 		onItemClick(item) {
       console.log('item',item)
       uni.navigateTo({
diff --git a/subpkg/pages/feedback-detail/feedback-detail.vue b/subpkg/pages/feedback-detail/feedback-detail.vue
index 46a93f9..49ec2bf 100644
--- a/subpkg/pages/feedback-detail/feedback-detail.vue
+++ b/subpkg/pages/feedback-detail/feedback-detail.vue
@@ -1,9 +1,9 @@
 <template>
   <view class="feedback-detail-page">
     <view class="section">
-      <text class="subject">{{ detail.subject }}</text>
-      <view class="section-content">{{ detail.content }}</view>
-       <text class="time">{{ detail.createTime }}</text>
+      <text class="subject">{{ detail.title }}</text>
+      <view class="section-content">{{ detail.suggestion }}</view>
+       <text class="time">{{  formatTimestamp(detail.suggestionTime) }}</text>
     </view>
 
     <view class="section reply-section">
@@ -15,6 +15,8 @@
 </template>
 
 <script>
+import { FetchReaderMessageDetailsById  } from '@/api/user';
+
 export default {
   data() {
     return {
@@ -24,6 +26,47 @@ export default {
   onLoad(options) {
     if (options.item) {
       this.detail = JSON.parse(decodeURIComponent(options.item));
+      this.getReaderMessageDetailsById();
+    }
+  },
+  methods: {
+    async getReaderMessageDetailsById(){
+      try {
+        // 检查 id 是否存在
+        if (!this.detail.id) {
+          console.warn('缺少留言 ID');
+          return;
+        }
+        
+        const res = await FetchReaderMessageDetailsById({
+          id: this.detail.id
+        });
+        
+        console.log(res);
+        
+        if (res && res.code === 200) {
+          this.detail = res.data || {};
+        } else {
+          uni.showToast({ title: res?.msg || '获取留言详情失败', icon: 'none' });
+        }
+      } catch (error) {
+        console.error('获取留言详情异常:', error);
+        uni.showToast({ title: '获取留言详情失败', icon: 'none' });
+      }
+    },
+    formatTimestamp(timestamp) {
+      if (!timestamp || typeof timestamp !== 'number') {
+        return '暂无时间';
+      }
+      
+      const date = new Date(timestamp);
+      const year = date.getFullYear();
+      const month = String(date.getMonth() + 1).padStart(2, '0');
+      const day = String(date.getDate()).padStart(2, '0');
+      const hours = String(date.getHours()).padStart(2, '0');
+      const minutes = String(date.getMinutes()).padStart(2, '0');
+      
+      return `${year}-${month}-${day} ${hours}:${minutes}`;
     }
   }
 };
diff --git a/subpkg/pages/feedback-list/feedback-list.vue b/subpkg/pages/feedback-list/feedback-list.vue
index 9f1edbd..48a6a87 100644
--- a/subpkg/pages/feedback-list/feedback-list.vue
+++ b/subpkg/pages/feedback-list/feedback-list.vue
@@ -1,6 +1,11 @@
 <template>
   <view class="feedback-page">
-    <view class="feedback-list">
+    <scroll-view 
+      class="feedback-list" 
+      scroll-y 
+      @scrolltolower="loadMore"
+      :scroll-with-animation="true"
+    >
       <view class="empty" v-if="feedbackList.length === 0">
         <uni-icons style="margin-left: 20px;" custom-prefix="iconfont" type="icon-kongshuju" size="80" color="#ccc"></uni-icons>
         <text style="margin-top: 20px;">暂无留言</text>
@@ -12,11 +17,17 @@
         @click="goDetail(item)"
       >
         <view class="feedback-content">
-          <text class="subject">{{ item.subject }}</text>
-          <text class="create-time">{{ item.createTime }}</text>
+          <text class="subject">{{ item.title }}</text>
+          <text class="create-time">{{ formatTimestamp(item.suggestionTime) }}</text>
         </view>
       </view>
-    </view>
+      <view class="loading-more" v-if="loading">
+        <text>加载中...</text>
+      </view>
+      <view class="no-more" v-if="noMore">
+        <text>没有更多留言了~</text>
+      </view>
+    </scroll-view>
     <view class="write-btn-box">
       <button class="write-btn" @click="goWriteComment">去留言</button>
     </view>
@@ -24,44 +35,131 @@
 </template>
 
 <script>
+import { FetchInitReaderMessage  } from '@/api/user';
+import config from '@/utils/config';
+import { getOpenId } from '@/utils/storage';
+
 export default {
   data() {
     return {
-      feedbackList: [
-        {
-          id: 1,
-          subject: '建议增加更多儿童绘本',
-          content: '图书馆的儿童区绘本种类不够丰富，希望能增加更多适合3-6岁儿童的绘本读物。',
-          createTime: '2026-05-10 14:30',
-          reply: '感谢您的建议！我们已将增加儿童绘本纳入采购计划，预计下季度会新增500余册绘本。'
-        },
-        {
-          id: 2,
-          subject: '自习室空调温度过低',
-          content: '最近自习室空调开得太冷了，希望能适当调高温度，或者提供毯子。',
-          createTime: '2026-05-08 09:15',
-          reply: ''
-        },
-        {
-          id: 3,
-          subject: '希望延长周末开放时间',
-          content: '周末很多人想来看书，但是下午5点就关门了，希望能够延长到晚上8点。',
-          createTime: '2026-05-05 16:45',
-          reply: '您的建议已收悉，我们正在研究调整开放时间的可行性，感谢支持。'
-        }
-      ]
+      feedbackList: [],
+      pageNum: 0,
+      pageSize: 10,
+      loading: false,
+      noMore: false,
     };
   },
+  onLoad() {
+    this.getInitReaderMessage();
+  },
+  onShow() {
+    // 检查是否需要刷新（从留言页面提交成功返回）
+    const needRefresh = uni.getStorageSync('needRefreshFeedback');
+    uni.removeStorageSync('needRefreshFeedback');
+    
+    if (needRefresh) {
+      this.refreshList();
+    }
+  },
   methods: {
+    async getInitReaderMessage(){
+      const openId = await getOpenId();
+      if (!openId) {
+        uni.showToast({ title: '获取用户信息失败', icon: 'none' });
+        return;
+      }
+      // const currentReaderCard = await getCurrentReaderCard();
+      const res = await FetchInitReaderMessage({
+        libcode: config.LIB_CODE,
+        openId: openId,
+        // readCardNo: currentReaderCard.readCardNo,
+        // readName: '',
+        page: this.pageNum,
+        size: this.pageSize,
+      });
+      if (res.code === 200) {
+        this.feedbackList = res.data.content || [];
+      } else {
+        uni.showToast({ title: res.message || '获取留言列表失败', icon: 'none' });
+      }
+    },
     goWriteComment() {
       uni.navigateTo({
         url: '/subpkg/pages/feedback/feedback'
       });
     },
     goDetail(item) {
+      console.log(item);
       uni.navigateTo({
         url: '/subpkg/pages/feedback-detail/feedback-detail?item=' + encodeURIComponent(JSON.stringify(item))
       });
+    },
+    formatTimestamp(timestamp) {
+      if (!timestamp || typeof timestamp !== 'number') {
+        return '暂无时间';
+      }
+      
+      const date = new Date(timestamp);
+      const year = date.getFullYear();
+      const month = String(date.getMonth() + 1).padStart(2, '0');
+      const day = String(date.getDate()).padStart(2, '0');
+      const hours = String(date.getHours()).padStart(2, '0');
+      const minutes = String(date.getMinutes()).padStart(2, '0');
+      
+      return `${year}-${month}-${day} ${hours}:${minutes}`;
+    },
+    async loadMore() {
+      if (this.loading || this.noMore) return;
+      
+      this.loading = true;
+      this.pageNum++;
+      
+      try {
+        const openId = await getOpenId();
+        if (!openId) {
+          uni.showToast({ title: '获取用户信息失败', icon: 'none' });
+          return;
+        }
+        
+        const res = await FetchInitReaderMessage({
+          libcode: config.LIB_CODE,
+          openId: openId,
+          page: this.pageNum,
+          size: this.pageSize,
+        });
+        
+        if (res.code === 200) {
+          const newData = res.data.content || [];
+          if (newData.length > 0) {
+            this.feedbackList = [...this.feedbackList, ...newData];
+          } else {
+            this.noMore = true;
+          }
+        } else {
+          uni.showToast({ title: res.message || '获取留言列表失败', icon: 'none' });
+          this.pageNum--;
+        }
+      } catch (error) {
+        console.error('加载更多失败:', error);
+        this.pageNum--;
+        uni.showToast({ title: '加载更多失败', icon: 'none' });
+      } finally {
+        this.loading = false;
+      }
+    },
+    async refreshList() {
+      // 重置分页状态
+      this.pageNum = 0;
+      this.noMore = false;
+      this.loading = false;
+      
+      // 重新加载第一页数据
+      await this.getInitReaderMessage();
+      uni.pageScrollTo({
+        scrollTop: 0,
+        duration: 300
+      });
+      uni.stopPullDownRefresh();
     }
   }
 };
@@ -75,8 +173,6 @@ export default {
 
 .feedback-list {
   height: calc(100vh - 80px);
-  overflow-y: scroll;
-  padding: 10px;
 }
 
 .empty {
@@ -87,7 +183,7 @@ export default {
   background-color: #fff;
   border-radius: 8px;
   padding: 15px;
-  margin-bottom: 10px;
+  margin: 0 10px 10px 10px;
   box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
 }
 
@@ -125,4 +221,12 @@ export default {
   font-size: 14px;
   padding: 4px 0;
 }
+
+.loading-more,
+.no-more {
+  text-align: center;
+  padding: 15px 0;
+  font-size: 12px;
+  color: #999;
+}
 </style>
diff --git a/subpkg/pages/feedback/feedback.vue b/subpkg/pages/feedback/feedback.vue
index eb05963..eee7fe9 100644
--- a/subpkg/pages/feedback/feedback.vue
+++ b/subpkg/pages/feedback/feedback.vue
@@ -53,7 +53,9 @@
 </template>
 
 <script>
-import { getCurrentReaderCard } from '@/utils/storage';
+import { FetchReaderMessage  } from '@/api/user';
+import config from '@/utils/config';
+import { getCurrentReaderCard,getOpenId } from '@/utils/storage';
 
 const USER_KEY = 'user-info';
 
@@ -99,7 +101,7 @@ export default {
       return phoneReg.test(phone);
     },
 
-    onBtnClick() {
+    async onBtnClick() {
       const { name, readerCard, subject, phone, content } = this.formData;
 
       if (!name || name.trim().length === 0) {
@@ -153,19 +155,45 @@ export default {
       uni.showLoading({
         title: '提交中'
       });
+    try {
+      const openId = await getOpenId();
+      if (!openId) {
+        uni.showToast({ title: '获取用户信息失败', icon: 'none' });
+        this.isLoading = false;
+        return;
+      }
 
-      setTimeout(() => {
-        uni.hideLoading();
-        uni.showToast({
-          title: '提交成功',
-          icon: 'success',
-          mask: true
-        });
 
+      const res = await FetchReaderMessage({
+        libcode: config.LIB_CODE,
+        openid: openId,
+        phone,
+        readCardNo: readerCard,
+        readName: name,
+        suggestion: content,
+        title: subject
+      });
+
+      if (res.code !== 200) {
+        uni.showToast({ title: res.message || '留言提交失败', icon: 'none' });
+        this.isLoading = false;
+        return;
+      }else{
+        // 设置刷新标记
+        uni.setStorageSync('needRefreshFeedback', true);
+        
+        uni.showToast({ title: '留言提交成功', icon: 'success' });
         setTimeout(() => {
           uni.navigateBack();
         }, 1500);
-      }, 1000);
+      }
+      
+    } catch (err) {
+      console.error('留言提交失败', err);
+      uni.showToast({ title: err.message || '留言提交失败', icon: 'none' });
+    } finally {
+      this.isLoading = false;
+    }
     }
   }
 };
diff --git a/utils/bookCover.js b/utils/bookCover.js
new file mode 100644
index 0000000..7b8c007
--- /dev/null
+++ b/utils/bookCover.js
@@ -0,0 +1,184 @@
+/**
+ * 获取已加载的 bookrecno 缓存
+ * @returns {Set} - 已加载的 bookrecno 集合
+ */
+function getLoadedBookrecnos() {
+  const loadedList = wx.getStorageSync('loadedBookrecnos') || [];
+  return new Set(loadedList);
+}
+
+/**
+ * 标记 bookrecno 已加载
+ * @param {Array} bookrecnoList - 已加载的 bookrecno 列表
+ */
+function markBookrecnoLoaded(bookrecnoList) {
+  const loadedSet = getLoadedBookrecnos();
+  bookrecnoList.forEach(bookrecno => loadedSet.add(bookrecno));
+  wx.setStorageSync('loadedBookrecnos', Array.from(loadedSet));
+}
+
+/**
+ * 通过远程接口获取封面（基于 ISBN）
+ * @param {Array} isbnList - ISBN 列表
+ * @returns {Promise<Object>} - 封面数据映射 { isbn: coverUrl }
+ */
+export async function fetchCoversByISBN(isbnList) {
+  if (!isbnList || isbnList.length === 0) {
+    return {};
+  }
+
+  // 移除 ISBN 中的连字符
+  const cleanIsbns = isbnList.map(isbn => isbn.replace(/-/g, ''));
+  const isbns = cleanIsbns.join(',');
+  const url = `https://book-resource.dataesb.com/websearch/metares?glc=EGD0755036&cmdACT=getImages&type=0&isbns=${isbns}`;
+
+  return new Promise((resolve) => {
+    wx.request({
+      url: url,
+      method: 'GET',
+      success: (res) => {
+        const result = {};
+        let list = [];
+        
+        try {
+          // 获取响应数据
+          let responseData = res.data;
+          
+          // 如果是字符串，尝试解析为 JSON
+          if (typeof responseData === 'string') {
+            // 移除可能的 JSONP 包装括号 ({"result":...})
+            const trimmed = responseData.trim();
+            if (trimmed.startsWith('(') && trimmed.endsWith(')')) {
+              responseData = trimmed.slice(1, -1);
+            }
+            responseData = JSON.parse(responseData);
+          }
+          
+          // 获取 result 数组
+          if (responseData && responseData.result && Array.isArray(responseData.result)) {
+            list = responseData.result;
+          }
+        } catch (error) {
+          console.error('解析封面数据失败:', error);
+          list = [];
+        }
+        
+        list.forEach(item => {
+          if (item.isbn && item.coverlink && item.coverlink.indexOf('http') !== -1) {
+            // 存储时移除连字符，便于匹配
+            result[item.isbn.replace(/-/g, '')] = item.coverlink;
+          }
+        });
+        resolve(result);
+      },
+      fail: () => {
+        resolve({});
+      }
+    });
+  });
+}
+
+/**
+ * 获取服务器存在的 bookrecno 列表
+ * @param {Array} bookrecnoList - bookrecno 列表
+ * @returns {Promise<Object>} - 存在的 bookrecno 映射 { bookrecno: coverUrl }
+ */
+export async function fetchCoversByBookrecno(bookrecnoList) {
+  if (!bookrecnoList || bookrecnoList.length === 0) {
+    return {};
+  }
+
+  const bookrecnos = bookrecnoList.join(',');
+  
+  return new Promise((resolve) => {
+    wx.request({
+      url: `http://218.200.95.251:8081/opac/getExistsBookrecnoList/${bookrecnos}`,
+      method: 'POST',
+      success: (res) => {
+        const result = {};
+        console.log('bookrecnoList',res)
+        const existsList = res.data || [];
+        console.log('existsList',existsList)
+        existsList.forEach(bookrecno => {
+          const timestamp = new Date().getTime();
+          result[bookrecno] = `http://218.200.95.251:8081/opac/bscover/${bookrecno}?timestamp=${timestamp}`;
+        });
+        // 标记已加载
+        markBookrecnoLoaded(existsList);
+        resolve(result);
+      },
+      fail: () => {
+        resolve({});
+      }
+    });
+  });
+}
+
+/**
+ * 加载图书封面（核心方法）
+ * @param {Array} bookList - 图书数据列表
+ * @param {Function} callback - 回调函数，接收 (index, coverUrl) 参数
+ * @returns {Promise<void>}
+ */
+export async function loadBookCovers(bookList, callback) {
+  if (!bookList || bookList.length === 0 || typeof callback !== 'function') {
+    return;
+  }
+
+  try {
+    // 分离需要查询的 ISBN 和 bookrecno
+    const loadedSet = getLoadedBookrecnos();
+    const isbnMap = new Map(); // index -> isbn
+    const bookrecnoMap = new Map(); // index -> bookrecno（未加载过的）
+
+    bookList.forEach((book, index) => {
+      if (book.isbn) {
+        isbnMap.set(index, book.isbn.replace(/-/g, ''));
+      }
+      if (book.bookrecno && !loadedSet.has(book.bookrecno)) {
+        bookrecnoMap.set(index, book.bookrecno);
+      }
+    });
+
+    // 并行请求 ISBN 和 bookrecno 的封面
+    const [isbnCovers, bookrecnoCovers] = await Promise.all([
+      fetchCoversByISBN(Array.from(isbnMap.values())),
+      fetchCoversByBookrecno(Array.from(bookrecnoMap.values()))
+    ]);
+
+    // 更新封面
+    bookList.forEach((book, index) => {
+      let coverUrl = null;
+
+      // 优先使用 ISBN 获取的封面
+      const isbn = book.isbn ? book.isbn.replace(/-/g, '') : null;
+      if (isbn && isbnCovers[isbn]) {
+        coverUrl = isbnCovers[isbn];
+      }
+      // 如果 ISBN 没获取到，尝试 bookrecno
+      else if (book.bookrecno && bookrecnoCovers[book.bookrecno]) {
+        coverUrl = bookrecnoCovers[book.bookrecno];
+      }
+
+      if (coverUrl) {
+        callback(index, coverUrl);
+      }
+    });
+  } catch (error) {
+    console.error('加载图书封面失败:', error);
+  }
+}
+
+/**
+ * 清除封面加载缓存
+ */
+export function clearCoverCache() {
+  wx.removeStorageSync('loadedBookrecnos');
+}
+
+export default {
+  loadBookCovers,
+  clearCoverCache,
+  fetchCoversByISBN,
+  fetchCoversByBookrecno
+};