diff --git a/reading-platform-frontend/src/api/file.ts b/reading-platform-frontend/src/api/file.ts
index 4856642..3aab427 100644
--- a/reading-platform-frontend/src/api/file.ts
+++ b/reading-platform-frontend/src/api/file.ts
@@ -174,6 +174,7 @@ export const fileApi = {
       | "ppt"
       | "poster"
       | "document"
+      | "resource"
       | "other",
     options?: {
       onProgress?: (percent: number) => void;
@@ -235,6 +236,7 @@ export const FILE_TYPES = {
   PPT: "ppt",
   POSTER: "poster",
   DOCUMENT: "document",
+  RESOURCE: "resource",
   OTHER: "other",
 } as const;
 
@@ -249,6 +251,7 @@ export const FILE_SIZE_LIMITS = {
   PPT: 300 * 1024 * 1024, // 300MB
   POSTER: 10 * 1024 * 1024, // 10MB
   DOCUMENT: 300 * 1024 * 1024, // 300MB
+  RESOURCE: 100 * 1024 * 1024, // 100MB（资源库单文件限制）
   OTHER: 300 * 1024 * 1024, // 300MB
 } as const;
 
diff --git a/reading-platform-frontend/src/api/resource.ts b/reading-platform-frontend/src/api/resource.ts
index 79e07b7..39ba2a0 100644
--- a/reading-platform-frontend/src/api/resource.ts
+++ b/reading-platform-frontend/src/api/resource.ts
@@ -128,7 +128,7 @@ export const deleteResourceItem = (id: number) =>
   http.delete(`/v1/admin/resources/items/${id}`);
 
 export const batchDeleteResourceItems = (ids: number[]) =>
-  http.post<{ message: string }>('/v1/admin/resources/items/batch-delete', { ids });
+  http.post<{ message: string }>('/v1/admin/resources/items/batch-delete', ids);
 
 // ==================== 统计数据 ====================
 
diff --git a/reading-platform-frontend/src/components.d.ts b/reading-platform-frontend/src/components.d.ts
index 23753e9..03a884c 100644
--- a/reading-platform-frontend/src/components.d.ts
+++ b/reading-platform-frontend/src/components.d.ts
@@ -11,8 +11,10 @@ declare module 'vue' {
     AAvatar: typeof import('ant-design-vue/es')['Avatar']
     ABadge: typeof import('ant-design-vue/es')['Badge']
     AButton: typeof import('ant-design-vue/es')['Button']
+    AButtonGroup: typeof import('ant-design-vue/es')['ButtonGroup']
     ACard: typeof import('ant-design-vue/es')['Card']
     ACheckbox: typeof import('ant-design-vue/es')['Checkbox']
+    ACheckboxGroup: typeof import('ant-design-vue/es')['CheckboxGroup']
     ACol: typeof import('ant-design-vue/es')['Col']
     ADatePicker: typeof import('ant-design-vue/es')['DatePicker']
     ADescriptions: typeof import('ant-design-vue/es')['Descriptions']
@@ -23,6 +25,8 @@ declare module 'vue' {
     AEmpty: typeof import('ant-design-vue/es')['Empty']
     AForm: typeof import('ant-design-vue/es')['Form']
     AFormItem: typeof import('ant-design-vue/es')['FormItem']
+    AImage: typeof import('ant-design-vue/es')['Image']
+    AImagePreviewGroup: typeof import('ant-design-vue/es')['ImagePreviewGroup']
     AInput: typeof import('ant-design-vue/es')['Input']
     AInputNumber: typeof import('ant-design-vue/es')['InputNumber']
     AInputPassword: typeof import('ant-design-vue/es')['InputPassword']
@@ -48,11 +52,14 @@ declare module 'vue' {
     ARate: typeof import('ant-design-vue/es')['Rate']
     ARow: typeof import('ant-design-vue/es')['Row']
     ASelect: typeof import('ant-design-vue/es')['Select']
+    ASelectOptGroup: typeof import('ant-design-vue/es')['SelectOptGroup']
     ASelectOption: typeof import('ant-design-vue/es')['SelectOption']
     ASkeleton: typeof import('ant-design-vue/es')['Skeleton']
     ASpace: typeof import('ant-design-vue/es')['Space']
     ASpin: typeof import('ant-design-vue/es')['Spin']
     AStatistic: typeof import('ant-design-vue/es')['Statistic']
+    AStep: typeof import('ant-design-vue/es')['Step']
+    ASteps: typeof import('ant-design-vue/es')['Steps']
     ASubMenu: typeof import('ant-design-vue/es')['SubMenu']
     ASwitch: typeof import('ant-design-vue/es')['Switch']
     ATable: typeof import('ant-design-vue/es')['Table']
diff --git a/reading-platform-frontend/src/views/admin/resources/ResourceListView.vue b/reading-platform-frontend/src/views/admin/resources/ResourceListView.vue
index cc0abd0..9ab95b2 100644
--- a/reading-platform-frontend/src/views/admin/resources/ResourceListView.vue
+++ b/reading-platform-frontend/src/views/admin/resources/ResourceListView.vue
@@ -1,37 +1,42 @@
 <template>
   <div class="resource-list-view">
-    <a-page-header
-      title="资源库管理"
-      sub-title="管理平台数字资源"
-    />
+    <a-page-header title="资源库管理" sub-title="管理平台数字资源" />
 
     <!-- 统计卡片 -->
     <a-row :gutter="16" style="margin-bottom: 16px;">
       <a-col :span="6">
         <a-card>
           <a-statistic title="资源库总数" :value="stats.totalLibraries">
-            <template #prefix><FolderOutlined /></template>
+            <template #prefix>
+              <FolderOutlined />
+            </template>
           </a-statistic>
         </a-card>
       </a-col>
       <a-col :span="6">
         <a-card>
           <a-statistic title="资源总数" :value="stats.totalItems">
-            <template #prefix><FileOutlined /></template>
+            <template #prefix>
+              <FileOutlined />
+            </template>
           </a-statistic>
         </a-card>
       </a-col>
       <a-col :span="6">
         <a-card>
           <a-statistic title="绘本资源" :value="stats.itemsByLibraryType?.PICTURE_BOOK || 0">
-            <template #prefix><BookOutlined /></template>
+            <template #prefix>
+              <BookOutlined />
+            </template>
           </a-statistic>
         </a-card>
       </a-col>
       <a-col :span="6">
         <a-card>
           <a-statistic title="教学材料" :value="stats.itemsByLibraryType?.MATERIAL || 0">
-            <template #prefix><AppstoreOutlined /></template>
+            <template #prefix>
+              <AppstoreOutlined />
+            </template>
           </a-statistic>
         </a-card>
       </a-col>
@@ -41,11 +46,15 @@
       <template #extra>
         <a-space>
           <a-button @click="showLibraryModal">
-            <template #icon><FolderAddOutlined /></template>
+            <template #icon>
+              <FolderAddOutlined />
+            </template>
             新建资源库
           </a-button>
           <a-button type="primary" @click="showUploadModal">
-            <template #icon><UploadOutlined /></template>
+            <template #icon>
+              <UploadOutlined />
+            </template>
             上传资源
           </a-button>
         </a-space>
@@ -55,36 +64,23 @@
       <div class="filter-bar" style="margin-bottom: 16px;">
         <a-row :gutter="16">
           <a-col :span="6">
-            <a-input-search
-              v-model:value="filters.keyword"
-              placeholder="搜索资源名称"
-              allow-clear
-              @search="fetchItems"
-            >
-              <template #prefix><SearchOutlined /></template>
+            <a-input-search v-model:value="filters.keyword" placeholder="搜索资源名称" allow-clear @search="fetchItems">
+              <template #prefix>
+                <SearchOutlined />
+              </template>
             </a-input-search>
           </a-col>
           <a-col :span="4">
-            <a-select
-              v-model:value="filters.libraryId"
-              placeholder="选择资源库"
-              allow-clear
-              style="width: 100%"
-              @change="fetchItems"
-            >
+            <a-select v-model:value="filters.libraryId" placeholder="选择资源库" allow-clear style="width: 100%"
+              @change="fetchItems">
               <a-select-option v-for="lib in libraries" :key="lib.id" :value="lib.id">
                 {{ lib.name }}
               </a-select-option>
             </a-select>
           </a-col>
           <a-col :span="4">
-            <a-select
-              v-model:value="filters.fileType"
-              placeholder="资源类型"
-              allow-clear
-              style="width: 100%"
-              @change="fetchItems"
-            >
+            <a-select v-model:value="filters.fileType" placeholder="资源类型" allow-clear style="width: 100%"
+              @change="fetchItems">
               <a-select-option value="IMAGE">图片</a-select-option>
               <a-select-option value="PDF">PDF</a-select-option>
               <a-select-option value="VIDEO">视频</a-select-option>
@@ -96,30 +92,23 @@
         </a-row>
       </div>
 
-      <a-table
-        :columns="columns"
-        :data-source="items"
-        :loading="loading"
-        :pagination="pagination"
-        :row-selection="rowSelection"
-        @change="handleTableChange"
-        row-key="id"
-      >
+      <a-table :columns="columns" :data-source="items" :loading="loading" :pagination="pagination"
+        :row-selection="rowSelection" @change="handleTableChange" row-key="id">
         <template #bodyCell="{ column, record }">
           <template v-if="column.key === 'resource'">
             <div class="resource-item">
               <div class="resource-icon">
-                <FilePdfOutlined v-if="record.fileType === 'PDF'" />
-                <VideoCameraOutlined v-else-if="record.fileType === 'VIDEO'" />
-                <AudioOutlined v-else-if="record.fileType === 'AUDIO'" />
-                <PictureOutlined v-else-if="record.fileType === 'IMAGE'" />
-                <FilePptOutlined v-else-if="record.fileType === 'PPT'" />
+                <FilePdfOutlined v-if="getRecordFileType(record) === 'PDF'" />
+                <VideoCameraOutlined v-else-if="getRecordFileType(record) === 'VIDEO'" />
+                <AudioOutlined v-else-if="getRecordFileType(record) === 'AUDIO'" />
+                <PictureOutlined v-else-if="getRecordFileType(record) === 'IMAGE'" />
+                <FilePptOutlined v-else-if="getRecordFileType(record) === 'PPT'" />
                 <FileOutlined v-else />
               </div>
               <div class="resource-info">
-                <div class="resource-name">{{ record.title }}</div>
+                <div class="resource-name">{{ record.title ?? record.name }}</div>
                 <div class="resource-meta">
-                  <a-tag size="small">{{ getFileTypeLabel(record.fileType) }}</a-tag>
+                  <a-tag size="small">{{ getFileTypeLabel(getRecordFileType(record)) }}</a-tag>
                   <span style="color: #999; font-size: 12px;">
                     {{ formatFileSize(record.fileSize) }}
                   </span>
@@ -146,12 +135,8 @@
               <a-button type="link" size="small" @click="openEditModal(record as ResourceItem)">
                 编辑
               </a-button>
-              <a-button
-                type="link"
-                size="small"
-                :disabled="!canPreview(record as ResourceItem)"
-                @click="previewResource(record as ResourceItem)"
-              >
+              <a-button type="link" size="small" :disabled="!canPreview(record as ResourceItem)"
+                @click="previewResource(record as ResourceItem)">
                 预览
               </a-button>
               <a-button type="link" size="small" @click="downloadResource(record as ResourceItem)">
@@ -180,12 +165,7 @@
     </a-card>
 
     <!-- 新建资源库弹窗 -->
-    <a-modal
-      v-model:open="libraryModalVisible"
-      title="新建资源库"
-      @ok="handleCreateLibrary"
-      :confirm-loading="submitting"
-    >
+    <a-modal v-model:open="libraryModalVisible" title="新建资源库" @ok="handleCreateLibrary" :confirm-loading="submitting">
       <a-form :label-col="{ span: 6 }" :wrapper-col="{ span: 16 }">
         <a-form-item label="资源库名称" required>
           <a-input v-model:value="libraryForm.name" placeholder="请输入资源库名称" />
@@ -204,13 +184,8 @@
     </a-modal>
 
     <!-- 上传资源弹窗 -->
-    <a-modal
-      v-model:open="uploadModalVisible"
-      title="上传资源"
-      width="600px"
-      @ok="handleUpload"
-      :confirm-loading="uploading"
-    >
+    <a-modal v-model:open="uploadModalVisible" title="上传资源" width="600px" @ok="handleUpload"
+      :confirm-loading="uploading">
       <a-form :label-col="{ span: 5 }" :wrapper-col="{ span: 18 }">
         <a-form-item label="目标资源库" required>
           <a-select v-model:value="uploadForm.libraryId" placeholder="请选择资源库">
@@ -232,15 +207,8 @@
         </a-form-item>
 
         <a-form-item label="选择文件" required>
-          <a-upload
-            v-model:file-list="uploadForm.files"
-            :action="uploadUrl"
-            :headers="uploadHeaders"
-            :data="{ type: 'resources' }"
-            :max-count="10"
-            list-type="text"
-            @change="handleUploadChange"
-          >
+          <a-upload v-model:file-list="uploadForm.files" :custom-request="handleCustomUpload" :max-count="10"
+            list-type="text" @change="handleUploadChange">
             <a-button>
               <UploadOutlined /> 选择文件
             </a-button>
@@ -251,12 +219,7 @@
         </a-form-item>
 
         <a-form-item label="资源标签">
-          <a-select
-            v-model:value="uploadForm.tags"
-            mode="tags"
-            placeholder="输入标签，按回车添加"
-            style="width: 100%"
-          >
+          <a-select v-model:value="uploadForm.tags" mode="tags" placeholder="输入标签，按回车添加" style="width: 100%">
             <a-select-option value="绘本阅读">绘本阅读</a-select-option>
             <a-select-option value="儿歌">儿歌</a-select-option>
             <a-select-option value="游戏">游戏</a-select-option>
@@ -268,12 +231,7 @@
     </a-modal>
 
     <!-- 编辑资源弹窗 -->
-    <a-modal
-      v-model:open="editModalVisible"
-      title="编辑资源"
-      @ok="handleEditConfirm"
-      :confirm-loading="submitting"
-    >
+    <a-modal v-model:open="editModalVisible" title="编辑资源" @ok="handleEditConfirm" :confirm-loading="submitting">
       <a-form :label-col="{ span: 6 }" :wrapper-col="{ span: 16 }">
         <a-form-item label="资源名称">
           <a-input v-model:value="editForm.title" placeholder="资源名称" />
@@ -282,33 +240,36 @@
           <a-textarea v-model:value="editForm.description" placeholder="描述" :rows="3" />
         </a-form-item>
         <a-form-item label="标签">
-          <a-select
-            v-model:value="editForm.tags"
-            mode="tags"
-            placeholder="输入标签"
-            style="width: 100%"
-          />
+          <a-select v-model:value="editForm.tags" mode="tags" placeholder="输入标签" style="width: 100%" />
         </a-form-item>
       </a-form>
     </a-modal>
 
     <!-- 预览弹窗 -->
-    <a-modal
-      v-model:open="previewModalVisible"
-      :title="currentPreviewResource?.title"
-      width="800px"
-      :footer="null"
-    >
+    <a-modal v-model:open="previewModalVisible" :title="currentPreviewResource?.title" width="800px" :footer="null">
       <div class="preview-container">
         <div v-if="currentPreviewResource?.fileType === 'IMAGE'">
           <img :src="getFileUrl(currentPreviewResource?.filePath)" style="max-width: 100%;" />
         </div>
         <div v-else-if="currentPreviewResource?.fileType === 'VIDEO'">
-          <video :src="getFileUrl(currentPreviewResource?.filePath)" controls style="width: 100%; max-height: 500px;"></video>
+          <video :src="getFileUrl(currentPreviewResource?.filePath)" controls
+            style="width: 100%; max-height: 500px;"></video>
         </div>
         <div v-else-if="currentPreviewResource?.fileType === 'AUDIO'">
           <audio :src="getFileUrl(currentPreviewResource?.filePath)" controls style="width: 100%;"></audio>
         </div>
+        <div v-else-if="isOfficeDoc(currentPreviewResource)">
+          <div class="preview-placeholder office-preview">
+            <FileTextOutlined style="font-size: 64px; color: #1890ff;" />
+            <p style="color: #666;">使用在线文档预览</p>
+            <a-space>
+              <a-button type="primary" @click="openInWebOffice(currentPreviewResource)">
+                <EyeOutlined /> WebOffice 预览
+              </a-button>
+              <a-button @click="downloadResource(currentPreviewResource)">下载文件</a-button>
+            </a-space>
+          </div>
+        </div>
         <div v-else class="preview-placeholder">
           <FileTextOutlined style="font-size: 64px; color: #ccc;" />
           <p style="color: #999;">此文件类型不支持在线预览</p>
@@ -336,6 +297,7 @@ import {
   FolderOutlined,
   FolderAddOutlined,
   AppstoreOutlined,
+  EyeOutlined,
 } from '@ant-design/icons-vue';
 import {
   getLibraries,
@@ -348,9 +310,8 @@ import {
   getResourceStats,
 } from '@/api/resource';
 import type { ResourceLibrary, ResourceItem, FileType as FileTypeType } from '@/api/resource';
-import { useUserStore } from '@/stores/user';
-
-const userStore = useUserStore();
+import { fileApi, validateFileType } from '@/api/file';
+import { openWebOffice } from '@/views/office/webOffice';
 
 const loading = ref(false);
 const submitting = ref(false);
@@ -415,11 +376,6 @@ const editForm = reactive({
   tags: [] as string[],
 });
 
-const uploadUrl = '/api/v1/files/upload';
-const uploadHeaders = computed(() => ({
-  Authorization: `Bearer ${userStore.token}`,
-}));
-
 const columns = [
   { title: '资源', key: 'resource', width: 300 },
   { title: '所属资源库', key: 'library', width: 150 },
@@ -428,6 +384,9 @@ const columns = [
   { title: '操作', key: 'action', width: 200, fixed: 'right' as const },
 ];
 
+/** 兼容后端返回 fileType 或 type */
+const getRecordFileType = (record: any) => record?.fileType ?? record?.type ?? 'OTHER';
+
 const getFileTypeLabel = (type: FileTypeType) => {
   const labels: Record<FileTypeType, string> = {
     IMAGE: '图片',
@@ -447,9 +406,10 @@ const formatFileSize = (bytes?: number) => {
   return (bytes / (1024 * 1024)).toFixed(1) + ' MB';
 };
 
-const formatDate = (dateStr: string) => {
+const formatDate = (dateStr?: string) => {
+  if (!dateStr) return '-';
   const date = new Date(dateStr);
-  return date.toLocaleDateString('zh-CN');
+  return isNaN(date.getTime()) ? '-' : date.toLocaleDateString('zh-CN');
 };
 
 const getFileUrl = (path?: string) => {
@@ -460,7 +420,56 @@ const getFileUrl = (path?: string) => {
 };
 
 const canPreview = (resource: ResourceItem) => {
-  return ['IMAGE', 'VIDEO', 'AUDIO'].includes(resource.fileType);
+  const fileType = (resource as any).fileType ?? (resource as any).type;
+  if (['IMAGE', 'VIDEO', 'AUDIO', 'PDF', 'PPT'].includes(fileType)) return true;
+  // OTHER 类型检查是否为 Office 文档（Word/Excel）
+  if (fileType === 'OTHER' && resource.filePath) {
+    const ext = resource.filePath.toLowerCase().split('.').pop()?.split('?')[0] || '';
+    return ['doc', 'docx', 'xls', 'xlsx'].includes(ext);
+  }
+  return false;
+};
+
+/** 是否为 Office 文档（PDF/PPT/Word/Excel），可使用 WebOffice 在线预览 */
+const isOfficeDoc = (resource: ResourceItem | null) => {
+  if (!resource) return false;
+  if (['PDF', 'PPT'].includes(resource.fileType)) return true;
+  if (resource.fileType === 'OTHER' && resource.filePath) {
+    const ext = resource.filePath.toLowerCase().split('.').pop()?.split('?')[0] || '';
+    return ['doc', 'docx', 'xls', 'xlsx'].includes(ext);
+  }
+  return false;
+};
+
+/** 解析文件名得到 name 和 type（扩展名） */
+const parseResourceFileName = (resource: ResourceItem) => {
+  const title = (resource as any).title ?? (resource as any).name ?? '';
+  const fileType = (resource as any).fileType ?? (resource as any).type;
+  let type = 'pdf';
+  if (fileType === 'PDF') type = 'pdf';
+  else if (fileType === 'PPT') type = 'pptx';
+  else if (resource.filePath) {
+    const ext = resource.filePath.toLowerCase().split('.').pop()?.split('?')[0] || '';
+    if (['doc', 'docx', 'xls', 'xlsx'].includes(ext)) type = ext;
+  }
+  return { name: title, type };
+};
+
+/** 使用 WebOffice 在新窗口打开在线文档 */
+const openInWebOffice = (resource: ResourceItem | null) => {
+  if (!resource) return;
+  const fullUrl = getFileUrl(resource.filePath);
+  if (!fullUrl.startsWith('http')) {
+    message.warning('WebOffice 预览需要完整的文件 URL（请确保文件已上传至 OSS）');
+    return;
+  }
+  const { name, type } = parseResourceFileName(resource);
+  openWebOffice({
+    id: String(resource.id),
+    url: fullUrl,
+    name,
+    type,
+  });
 };
 
 const fetchLibraries = async () => {
@@ -480,8 +489,8 @@ const fetchItems = async () => {
       pageSize: pagination.pageSize,
       ...filters,
     });
-    items.value = result.list;
-    pagination.total = result.total;
+    items.value = result?.list ?? [];
+    pagination.total = result?.total ?? 0;
   } catch (error) {
     message.error('获取资源列表失败');
   } finally {
@@ -491,7 +500,15 @@ const fetchItems = async () => {
 
 const fetchStats = async () => {
   try {
-    stats.value = await getResourceStats();
+    const data = await getResourceStats();
+    // 兼容后端返回 totalLibraries/totalItems 或 libraryCount/itemCount
+    const d = data as unknown as Record<string, unknown>;
+    stats.value = {
+      totalLibraries: (d?.totalLibraries ?? d?.libraryCount ?? 0) as number,
+      totalItems: (d?.totalItems ?? d?.itemCount ?? 0) as number,
+      itemsByType: (d?.itemsByType ?? {}) as Record<string, number>,
+      itemsByLibraryType: (d?.itemsByLibraryType ?? {}) as Record<string, number>,
+    };
   } catch (error) {
     console.error('Failed to fetch stats:', error);
   }
@@ -537,6 +554,31 @@ const showUploadModal = () => {
   uploadModalVisible.value = true;
 };
 
+/** OSS 直传：自定义上传请求 */
+const handleCustomUpload = async (options: any) => {
+  const { file, onSuccess, onError, onProgress } = options;
+  const uploadFile = file instanceof File ? file : (file?.originFileObj ?? file);
+
+  // 校验文件大小（资源库单文件 100MB）
+  const validation = validateFileType(uploadFile, 'RESOURCE');
+  if (!validation.valid) {
+    message.error(validation.error);
+    onError?.(new Error(validation.error));
+    return;
+  }
+
+  try {
+    const result = await fileApi.uploadFile(uploadFile, 'resource', {
+      onProgress: (percent) => onProgress?.({ percent }),
+    });
+    onSuccess?.({ filePath: result.filePath });
+  } catch (err: any) {
+    const msg = err.response?.data?.message || err.message || '上传失败';
+    message.error(msg);
+    onError?.(new Error(msg));
+  }
+};
+
 const handleUploadChange = (info: any) => {
   if (info.file.status === 'done') {
     message.success(`${info.file.name} 上传成功`);
@@ -728,6 +770,10 @@ onMounted(() => {
 
     .preview-placeholder {
       text-align: center;
+
+      &.office-preview {
+        padding: 40px;
+      }
     }
   }
 }
diff --git a/reading-platform-frontend/src/views/office/WebOffice.vue b/reading-platform-frontend/src/views/office/WebOffice.vue
index 172d15f..22f5cfd 100644
--- a/reading-platform-frontend/src/views/office/WebOffice.vue
+++ b/reading-platform-frontend/src/views/office/WebOffice.vue
@@ -139,7 +139,11 @@ async function init(mount: HTMLElement | null) {
 
   _temObj.value = temObj;
 
-  const url = decodeURIComponent(`oss://lesingle-kid-course${new URL(decodeURIComponent(temObj.url)).pathname}`);
+  // 解析文档 URL：后端 ImmUtil 支持 oss:// 或完整 https:// 格式
+  const decodedUrl = decodeURIComponent(temObj.url);
+  const url = decodedUrl.startsWith('http://') || decodedUrl.startsWith('https://')
+    ? decodedUrl
+    : decodeURIComponent(`oss://lesingle-kid-course${new URL(decodedUrl).pathname}`);
   let tokenInfo = await getTokenFun(url, temObj);
   const instance = (window as any).aliyun.config({
     mount,
diff --git a/reading-platform-frontend/src/views/office/webOffice.ts b/reading-platform-frontend/src/views/office/webOffice.ts
index 903c583..1938796 100644
--- a/reading-platform-frontend/src/views/office/webOffice.ts
+++ b/reading-platform-frontend/src/views/office/webOffice.ts
@@ -1,5 +1,24 @@
 import { setTemItem } from "./temObjs";
 import { router } from "@/router";
+
+/** WebOffice 支持的文档扩展名（阿里云 IMM） */
+export const WEB_OFFICE_EXTENSIONS = ['pdf', 'ppt', 'pptx', 'doc', 'docx', 'xls', 'xlsx'] as const;
+
+/**
+ * 判断资源是否可由 WebOffice 预览（与 WebOffice 对接）
+ * @param resource 资源对象，需包含 fileType/type、filePath
+ */
+export function isWebOfficeSupported(resource: { fileType?: string; type?: string; filePath?: string }): boolean {
+  const fileType = resource.fileType ?? resource.type;
+  if (fileType === 'PDF') return true;
+  if (fileType === 'PPT') return true;
+  if (fileType === 'OTHER' && resource.filePath) {
+    const ext = resource.filePath.toLowerCase().split('.').pop()?.split('?')[0] || '';
+    return (WEB_OFFICE_EXTENSIONS as readonly string[]).includes(ext);
+  }
+  return false;
+}
+
 /**
  * @param res obj
  * @param isEdit 是否编辑
diff --git a/reading-platform-java/src/main/java/com/reading/platform/common/mapper/ResourceItemMapper.java b/reading-platform-java/src/main/java/com/reading/platform/common/mapper/ResourceItemMapper.java
index 121e037..f6531d3 100644
--- a/reading-platform-java/src/main/java/com/reading/platform/common/mapper/ResourceItemMapper.java
+++ b/reading-platform-java/src/main/java/com/reading/platform/common/mapper/ResourceItemMapper.java
@@ -3,6 +3,7 @@ package com.reading.platform.common.mapper;
 import com.reading.platform.dto.response.ResourceItemResponse;
 import com.reading.platform.entity.ResourceItem;
 import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
 import org.mapstruct.factory.Mappers;
 
 import java.util.List;
@@ -17,7 +18,10 @@ public interface ResourceItemMapper {
 
     /**
      * Entity 转 Response
+     * tags、library 由 Controller 单独处理（JSON 解析、关联查询）
      */
+    @Mapping(target = "tags", ignore = true)
+    @Mapping(target = "library", ignore = true)
     ResourceItemResponse toVO(ResourceItem entity);
 
     /**
@@ -28,5 +32,6 @@ public interface ResourceItemMapper {
     /**
      * Response 转 Entity（用于创建/更新时）
      */
+    @Mapping(target = "tags", ignore = true)
     ResourceItem toEntity(ResourceItemResponse vo);
 }
diff --git a/reading-platform-java/src/main/java/com/reading/platform/controller/admin/AdminResourceController.java b/reading-platform-java/src/main/java/com/reading/platform/controller/admin/AdminResourceController.java
index 0751a4c..cf33ff0 100644
--- a/reading-platform-java/src/main/java/com/reading/platform/controller/admin/AdminResourceController.java
+++ b/reading-platform-java/src/main/java/com/reading/platform/controller/admin/AdminResourceController.java
@@ -16,6 +16,8 @@ import com.reading.platform.entity.ResourceLibrary;
 import com.reading.platform.service.ResourceLibraryService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.*;
@@ -34,6 +36,7 @@ import java.util.stream.Collectors;
 public class AdminResourceController {
 
     private final ResourceLibraryService resourceLibraryService;
+    private final ObjectMapper objectMapper;
 
     // ==================== 资源库管理 ====================
 
@@ -124,7 +127,11 @@ public class AdminResourceController {
     @PostMapping("/items")
     @Operation(summary = "创建资源项目")
     @RequireRole(UserRole.ADMIN)
-    public Result<ResourceItemResponse> createItem(@Valid @RequestBody ResourceItemCreateRequest request) {
+    public Result<ResourceItemResponse> createItem(@Valid @RequestBody ResourceItemCreateRequest request) throws JsonProcessingException {
+        String tagsStr = null;
+        if (request.getTags() != null && !request.getTags().isEmpty()) {
+            tagsStr = objectMapper.writeValueAsString(request.getTags());
+        }
         ResourceItem item = resourceLibraryService.createItem(
                 request.getLibraryId(),
                 request.getTitle(),
@@ -132,7 +139,7 @@ public class AdminResourceController {
                 request.getFilePath(),
                 request.getFileSize(),
                 request.getDescription(),
-                request.getTags(),
+                tagsStr,
                 request.getTenantId()
         );
         return Result.success(toItemResponse(item));
@@ -143,12 +150,16 @@ public class AdminResourceController {
     @RequireRole(UserRole.ADMIN)
     public Result<ResourceItemResponse> updateItem(
             @PathVariable String id,
-            @Valid @RequestBody ResourceItemUpdateRequest request) {
+            @Valid @RequestBody ResourceItemUpdateRequest request) throws JsonProcessingException {
+        String tagsStr = null;
+        if (request.getTags() != null && !request.getTags().isEmpty()) {
+            tagsStr = objectMapper.writeValueAsString(request.getTags());
+        }
         ResourceItem item = resourceLibraryService.updateItem(
                 id,
                 request.getTitle(),
                 request.getDescription(),
-                request.getTags()
+                tagsStr
         );
         return Result.success(toItemResponse(item));
     }
@@ -197,16 +208,43 @@ public class AdminResourceController {
      * 将 ResourceItem 实体转换为 ResourceItemResponse
      */
     private ResourceItemResponse toItemResponse(ResourceItem item) {
+        ResourceItemResponse.LibrarySummary librarySummary = null;
+        if (item.getLibraryId() != null && !item.getLibraryId().isEmpty()) {
+            var lib = resourceLibraryService.findLibraryByIdOrNull(item.getLibraryId());
+            if (lib != null) {
+                librarySummary = ResourceItemResponse.LibrarySummary.builder()
+                        .id(lib.getId())
+                        .name(lib.getName())
+                        .libraryType(lib.getLibraryType())
+                        .build();
+            }
+        }
+
+        List<String> tagsList = parseTagsJson(item.getTags());
+
         return ResourceItemResponse.builder()
                 .id(item.getId())
                 .libraryId(item.getLibraryId())
                 .tenantId(item.getTenantId())
-                .type(item.getFileType())
-                .name(item.getTitle())
+                .title(item.getTitle())
+                .fileType(item.getFileType())
+                .filePath(item.getFilePath())
+                .fileSize(item.getFileSize())
+                .tags(tagsList)
+                .library(librarySummary)
                 .description(item.getDescription())
                 .status(item.getStatus())
                 .createdAt(item.getCreatedAt())
                 .updatedAt(item.getUpdatedAt())
                 .build();
     }
+
+    private List<String> parseTagsJson(String tagsJson) {
+        if (tagsJson == null || tagsJson.isEmpty()) return List.of();
+        try {
+            return objectMapper.readValue(tagsJson, objectMapper.getTypeFactory().constructCollectionType(List.class, String.class));
+        } catch (Exception e) {
+            return List.of();
+        }
+    }
 }
\ No newline at end of file
diff --git a/reading-platform-java/src/main/java/com/reading/platform/dto/request/ResourceItemCreateRequest.java b/reading-platform-java/src/main/java/com/reading/platform/dto/request/ResourceItemCreateRequest.java
index 8d0ec5b..df4a53e 100644
--- a/reading-platform-java/src/main/java/com/reading/platform/dto/request/ResourceItemCreateRequest.java
+++ b/reading-platform-java/src/main/java/com/reading/platform/dto/request/ResourceItemCreateRequest.java
@@ -3,6 +3,8 @@ package com.reading.platform.dto.request;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
 
+import java.util.List;
+
 /**
  * 资源项目创建请求
  */
@@ -28,8 +30,8 @@ public class ResourceItemCreateRequest {
     @Schema(description = "资源描述")
     private String description;
 
-    @Schema(description = "标签")
-    private String tags;
+    @Schema(description = "标签（字符串数组）")
+    private List<String> tags;
 
     @Schema(description = "租户 ID")
     private String tenantId;
diff --git a/reading-platform-java/src/main/java/com/reading/platform/dto/request/ResourceItemUpdateRequest.java b/reading-platform-java/src/main/java/com/reading/platform/dto/request/ResourceItemUpdateRequest.java
index fbc8674..398bf6c 100644
--- a/reading-platform-java/src/main/java/com/reading/platform/dto/request/ResourceItemUpdateRequest.java
+++ b/reading-platform-java/src/main/java/com/reading/platform/dto/request/ResourceItemUpdateRequest.java
@@ -3,6 +3,8 @@ package com.reading.platform.dto.request;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
 
+import java.util.List;
+
 /**
  * 资源项目更新请求
  */
@@ -16,6 +18,6 @@ public class ResourceItemUpdateRequest {
     @Schema(description = "资源描述")
     private String description;
 
-    @Schema(description = "标签")
-    private String tags;
+    @Schema(description = "标签（字符串数组）")
+    private List<String> tags;
 }
\ No newline at end of file
diff --git a/reading-platform-java/src/main/java/com/reading/platform/dto/request/ResourceLibraryCreateRequest.java b/reading-platform-java/src/main/java/com/reading/platform/dto/request/ResourceLibraryCreateRequest.java
index 8eb2428..b98b431 100644
--- a/reading-platform-java/src/main/java/com/reading/platform/dto/request/ResourceLibraryCreateRequest.java
+++ b/reading-platform-java/src/main/java/com/reading/platform/dto/request/ResourceLibraryCreateRequest.java
@@ -1,5 +1,6 @@
 package com.reading.platform.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonAlias;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
 
@@ -14,6 +15,7 @@ public class ResourceLibraryCreateRequest {
     private String name;
 
     @Schema(description = "资源库类型")
+    @JsonAlias("libraryType")
     private String type;
 
     @Schema(description = "资源库描述")
diff --git a/reading-platform-java/src/main/java/com/reading/platform/dto/response/ResourceItemResponse.java b/reading-platform-java/src/main/java/com/reading/platform/dto/response/ResourceItemResponse.java
index d999ba4..df2afd0 100644
--- a/reading-platform-java/src/main/java/com/reading/platform/dto/response/ResourceItemResponse.java
+++ b/reading-platform-java/src/main/java/com/reading/platform/dto/response/ResourceItemResponse.java
@@ -5,6 +5,7 @@ import lombok.Builder;
 import lombok.Data;
 
 import java.time.LocalDateTime;
+import java.util.List;
 
 /**
  * 资源项响应
@@ -24,39 +25,42 @@ public class ResourceItemResponse {
     @Schema(description = "租户 ID")
     private String tenantId;
 
-    @Schema(description = "资源类型")
-    private String type;
+    @Schema(description = "资源标题")
+    private String title;
 
-    @Schema(description = "资源名称")
-    private String name;
+    @Schema(description = "文件类型 (IMAGE/PDF/VIDEO/AUDIO/PPT/OTHER)")
+    private String fileType;
 
-    @Schema(description = "资源编码")
-    private String code;
+    @Schema(description = "文件路径")
+    private String filePath;
+
+    @Schema(description = "文件大小（字节）")
+    private Long fileSize;
+
+    @Schema(description = "资源标签")
+    private List<String> tags;
+
+    @Schema(description = "所属资源库信息")
+    private LibrarySummary library;
 
     @Schema(description = "资源描述")
     private String description;
 
-    @Schema(description = "数量")
-    private Integer quantity;
-
-    @Schema(description = "可用数量")
-    private Integer availableQuantity;
-
-    @Schema(description = "存放位置")
-    private String location;
-
     @Schema(description = "状态")
     private String status;
 
-    @Schema(description = "创建人")
-    private String createdBy;
-
-    @Schema(description = "更新人")
-    private String updatedBy;
-
     @Schema(description = "创建时间")
     private LocalDateTime createdAt;
 
     @Schema(description = "更新时间")
     private LocalDateTime updatedAt;
+
+    /** 资源库简要信息 */
+    @Data
+    @Builder
+    public static class LibrarySummary {
+        private Long id;
+        private String name;
+        private String libraryType;
+    }
 }
diff --git a/reading-platform-java/src/main/java/com/reading/platform/dto/response/ResourceLibraryResponse.java b/reading-platform-java/src/main/java/com/reading/platform/dto/response/ResourceLibraryResponse.java
index 69b80fa..ee7730d 100644
--- a/reading-platform-java/src/main/java/com/reading/platform/dto/response/ResourceLibraryResponse.java
+++ b/reading-platform-java/src/main/java/com/reading/platform/dto/response/ResourceLibraryResponse.java
@@ -1,5 +1,6 @@
 package com.reading.platform.dto.response;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Builder;
 import lombok.Data;
@@ -28,6 +29,7 @@ public class ResourceLibraryResponse {
     private String description;
 
     @Schema(description = "资源库类型")
+    @JsonProperty("libraryType")
     private String type;
 
     @Schema(description = "创建人")
diff --git a/reading-platform-java/src/main/java/com/reading/platform/service/ResourceLibraryService.java b/reading-platform-java/src/main/java/com/reading/platform/service/ResourceLibraryService.java
index f70ef4c..14a2357 100644
--- a/reading-platform-java/src/main/java/com/reading/platform/service/ResourceLibraryService.java
+++ b/reading-platform-java/src/main/java/com/reading/platform/service/ResourceLibraryService.java
@@ -63,6 +63,14 @@ public class ResourceLibraryService extends ServiceImpl<ResourceLibraryMapper, R
         return library;
     }
 
+    /**
+     * 查询资源库（不存在时返回 null）
+     */
+    public ResourceLibrary findLibraryByIdOrNull(String id) {
+        if (id == null || id.isEmpty()) return null;
+        return libraryMapper.selectById(id);
+    }
+
     /**
      * 创建资源库
      */
@@ -167,8 +175,10 @@ public class ResourceLibraryService extends ServiceImpl<ResourceLibraryMapper, R
                                    Long fileSize, String description, String tags, String tenantId) {
         log.info("创建资源项目，libraryId={}, title={}, fileType={}, fileSize={}, tenantId={}", libraryId, title, fileType, fileSize, tenantId);
         ResourceItem item = new ResourceItem();
-        item.setLibraryId(libraryId);
+        item.setId(null); // 确保由数据库 AUTO_INCREMENT 生成，避免主键冲突
+        item.setLibraryId(libraryId); // 目标资源库 ID
         item.setTitle(title);
+        item.setName(title); // 数据库 name 字段 NOT NULL，与 title 保持一致
         item.setDescription(description);
         item.setFileType(fileType);
         item.setFilePath(filePath);
@@ -237,10 +247,24 @@ public class ResourceLibraryService extends ServiceImpl<ResourceLibraryMapper, R
         Long libraryCount = libraryMapper.selectCount(null);
         Long itemCount = itemMapper.selectCount(null);
 
-        stats.put("libraryCount", libraryCount);
-        stats.put("itemCount", itemCount);
+        stats.put("totalLibraries", libraryCount);
+        stats.put("totalItems", itemCount);
 
-        log.info("资源库统计数据：libraryCount={}, itemCount={}", libraryCount, itemCount);
+        // 按资源库类型统计资源数量（绘本资源、教学材料等）
+        Map<String, Long> itemsByLibraryType = new HashMap<>();
+        LambdaQueryWrapper<ResourceLibrary> libWrapper = new LambdaQueryWrapper<>();
+        for (ResourceLibrary lib : libraryMapper.selectList(libWrapper)) {
+            String type = lib.getLibraryType();
+            if (type != null) {
+                LambdaQueryWrapper<ResourceItem> itemWrapper = new LambdaQueryWrapper<>();
+                itemWrapper.eq(ResourceItem::getLibraryId, String.valueOf(lib.getId()));
+                long count = itemMapper.selectCount(itemWrapper);
+                itemsByLibraryType.merge(type, count, Long::sum);
+            }
+        }
+        stats.put("itemsByLibraryType", itemsByLibraryType);
+
+        log.info("资源库统计数据：totalLibraries={}, totalItems={}, itemsByLibraryType={}", libraryCount, itemCount, itemsByLibraryType);
         return stats;
     }
 
diff --git a/reading-platform-java/src/main/resources/db/migration/V16__fix_resource_item_auto_increment.sql b/reading-platform-java/src/main/resources/db/migration/V16__fix_resource_item_auto_increment.sql
new file mode 100644
index 0000000..e14a424
--- /dev/null
+++ b/reading-platform-java/src/main/resources/db/migration/V16__fix_resource_item_auto_increment.sql
@@ -0,0 +1,8 @@
+-- =====================================================
+-- 修复 resource_item 表 AUTO_INCREMENT
+-- 版本：V16
+-- 描述：确保新插入的资源项使用正确的自增 ID，避免主键冲突
+-- =====================================================
+
+-- 将 AUTO_INCREMENT 设置为足够大的值（测试数据最大 id 为 12，设为 100 确保安全）
+ALTER TABLE `resource_item` AUTO_INCREMENT = 100;