diff --git a/frontend/src/views/DocList.vue b/frontend/src/views/DocList.vue
index 3e958f8..09e2192 100644
--- a/frontend/src/views/DocList.vue
+++ b/frontend/src/views/DocList.vue
@@ -82,7 +82,9 @@
           </template>
           <template #fileType="{ row }"><t-tag size="small" variant="light">{{ row.fileType }}</t-tag></template>
           <template #fileSize="{ row }"><span style="white-space:nowrap;">{{ formatSize(row.fileSize) }}</span></template>
-          <template #categoryId="{ row }"><span>{{ categoryStore.getCategoryName(row.categoryId) }}</span></template>
+          <template #categoryId="{ row }">
+            <span class="doc-pos" :title="docPath(row)">{{ docPath(row) }}</span>
+          </template>
           <template #status="{ row }">
             <t-tag size="small" :theme="row.status === 'READY' ? 'success' : row.status === 'PROCESSING' ? 'warning' : 'danger'"
               variant="light">{{ statusLabel(row.status) }}</t-tag>
@@ -189,6 +191,8 @@ const isResizing = ref(false)
 const MIN_TREE_WIDTH = 200
 const MAX_TREE_WIDTH = 480
 let resizeCleanup: (() => void) | null = null
+// 目录 id → { name, parentId }，位置列据此沿 parentId 回溯拼目录路径
+const folderMap = ref<Record<string, { name: string; parentId: string | number }>>({})
 // 表格排序状态（服务端排序）
 const sortInfo = ref<{ sortBy: string; descending: boolean } | null>(null)
 
@@ -232,7 +236,7 @@ const columns = [
   { colKey: 'title', title: '标题', width: 220, sorter: true },
   { colKey: 'fileType', title: '类型', width: 70, sorter: true },
   { colKey: 'fileSize', title: '大小', width: 80, sorter: true },
-  { colKey: 'categoryId', title: '分类', width: 100 },
+  { colKey: 'categoryId', title: '位置', width: 200 },
   { colKey: 'status', title: '状态', width: 80 },
   { colKey: 'enabled', title: '启用', width: 60 },
   { colKey: 'chunkCount', title: '分块', width: 60, sorter: true },
@@ -262,6 +266,20 @@ function getDocTags(doc: any): string[] {
 function statusLabel(s: string) { return s === 'READY' ? '已完成' : s === 'PROCESSING' ? '处理中' : s === 'FAILED' ? '失败' : s }
 function formatSize(b: number) { return b ? formatBytes(b) : '-' }
 
+/** 计算文档所在目录路径（不含分类名）；直接挂分类根/无目录时返回「—」 */
+function docPath(row: any): string {
+  let fid = row.folderId != null ? String(row.folderId) : '0'
+  const chain: string[] = []
+  let guard = 0
+  while (fid && fid !== '0' && guard++ < 20) {
+    const f = folderMap.value[fid]
+    if (!f) break
+    chain.unshift(f.name)
+    fid = String(f.parentId ?? '0')
+  }
+  return chain.length ? chain.join(' / ') : '—'
+}
+
 // ==================== 搜索防抖 ====================
 const debouncedLoad = debounce(() => load(1))
 
@@ -342,6 +360,9 @@ async function loadTreeData() {
     const cats = catRes.success ? (catRes.data || []) : []
     const folders = folderRes.success ? (folderRes.data || []) : []
     treeData.value = buildTree(cats, folders)
+    // 目录映射：位置列只回溯目录链，无需分类链映射
+    folderMap.value = {}
+    for (const f of folders || []) folderMap.value[String(f.id)] = { name: f.name, parentId: f.parentId }
   } catch (e: any) {
     toast('加载目录树失败：' + e.message, 'error')
   } finally {
@@ -626,10 +647,16 @@ loadData()
 
 <style scoped>
 .selected-count { font-size: 12px; font-weight: 600; color: var(--td-text-color-primary); }
+/* 位置列：长路径省略号截断，悬停 title 看全 */
+.doc-pos { display: inline-block; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: bottom; }
 
 /* 左右分栏布局 */
 /* 卡片锁定一屏高度：左侧目录树独立滚动，右侧工具栏固定 + 表格内部滚动 */
-.doc-list-card { height: 100%; display: flex; flex-direction: column; }
+.doc-list-card { height: 100%; min-height: 0; overflow: hidden; display: flex; flex-direction: column; }
+.doc-list-card :deep(.t-card__header) { flex-shrink: 0; }
+/* 关键修复：TDesign 在 header 与 body 之间有一层 .t-loading__parent，须让它参与 flex 高度链，
+   否则 .t-card__body 的 flex:1 不生效，目录树无法在面板内滚动而撑高整页 */
+.doc-list-card :deep(.t-loading__parent) { flex: 1; min-height: 0; display: flex; flex-direction: column; overflow: hidden; }
 .doc-list-card :deep(.t-card__body) { flex: 1; min-height: 0; overflow: hidden; display: flex; flex-direction: column; }
 
 .doc-layout { flex: 1; min-height: 0; display: flex; align-items: stretch; }
@@ -653,7 +680,7 @@ loadData()
 .tree-panel-body { flex: 1; min-height: 0; overflow-y: auto; overflow-x: hidden; }
 .doc-content { flex: 1; min-width: 0; overflow: hidden; padding-left: 16px; display: flex; flex-direction: column; }
 /* 表格宿主：撑满工具栏下方剩余高度，表格 max-height:100% 相对它解析，实现内部滚动与固定表头 */
-.doc-table-wrap { flex: 1; min-height: 0; }
+.doc-table-wrap { flex: 1; min-height: 0; overflow: hidden; }
 
 .tree-panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
 .tree-panel-title { font-size: 13px; font-weight: 600; }