diff --git a/apps/desktop/scripts/visual-check.mjs b/apps/desktop/scripts/visual-check.mjs
index 4310a4b..55e461e 100644
--- a/apps/desktop/scripts/visual-check.mjs
+++ b/apps/desktop/scripts/visual-check.mjs
@@ -26,9 +26,9 @@ const workspace = {
     { id: 'task-2', projectId, title: '检查迷你布局', summary: '验证窄屏下的导航和滚动。', completed: false, owner: '张明', due: null, createdAt: '今天 10:00', completedAt: null, tagId: 'tag-design', tag: '设计' },
   ],
   aiSessions: [{ id: 'old-session', projectId, title: '梳理版本计划', summary: '项目会话', updatedAt: '今天', references: [] }],
-  notesSources: [
-    { id: 'note-1', projectId, kind: 'note', title: '版本规划', updatedAt: '今天', tag: '产品', source: '项目笔记' },
-    { id: 'source-1', projectId, kind: 'file', title: '需求说明.pdf', updatedAt: '昨天', tag: '资料', source: '上传文件' },
+  documents: [
+    { id: 'note-1', projectId, kind: 'markdown', name: '版本规划', extension: '.md', mimeType: 'text/markdown', updatedAt: '今天' },
+    { id: 'source-1', projectId, kind: 'file', name: '需求说明.pdf', extension: '.pdf', mimeType: 'application/pdf', updatedAt: '昨天' },
   ],
   cronPlans: [{ id: 'cron-1', projectId, title: '每周复盘', schedule: '0 17 * * 5', nextRun: null, enabled: true, lastResult: '', owner: '张明' }],
 }
diff --git a/apps/desktop/src/App.tsx b/apps/desktop/src/App.tsx
index bf47886..f4207b2 100644
--- a/apps/desktop/src/App.tsx
+++ b/apps/desktop/src/App.tsx
@@ -187,7 +187,7 @@ function HomeView({ workspace, openAction }: ViewProps) {
       </div>
       <div className="metric-grid">
         <Metric value={pending.length} label="待办计划" color="blue" />
-        <Metric value={workspace.notesSources.length} label="笔记资料" color="green" />
+        <Metric value={workspace.documents.length} label="笔记资料" color="green" />
         <Metric value={workspace.aiSessions.length} label="AI 会话" color="purple" />
         <Metric value={workspace.cronPlans.length} label="计划任务" color="orange" />
       </div>
@@ -239,8 +239,8 @@ function NotesView({ session, workspace, refresh }: ViewProps) {
       <div className="page-title"><div><Title heading={5}>笔记资料</Title><Text type="secondary">项目资料随手可取</Text></div><Button type="primary" size="small" icon={<IconPlus />} onClick={() => fileInput.current?.click()}>上传</Button></div>
       <input className="hidden-file" ref={fileInput} type="file" onChange={async (event) => { const file = event.target.files?.[0]; if (!file) return; await uploadSource(session, workspace.project.id, file); await refresh(); event.target.value = '' }} />
       <div className="note-grid">
-        {workspace.notesSources.map((note, index) => <article className={`source-note tone-${index % 4}`} key={note.id}><IconFile /><strong>{note.title}</strong><p>{note.source || note.kind}</p><span>{note.tag || '资料'} · {note.updatedAt}</span></article>)}
-        {!workspace.notesSources.length && <Empty description="还没有笔记或资料" />}
+        {workspace.documents.map((document, index) => <article className={`source-note tone-${index % 4}`} key={document.id}><IconFile /><strong>{document.name}</strong><p>{document.extension || document.mimeType || document.kind}</p><span>{document.kind || '资料'} · {document.updatedAt}</span></article>)}
+        {!workspace.documents.length && <Empty description="还没有笔记或资料" />}
       </div>
     </section>
   )
diff --git a/apps/desktop/src/api.ts b/apps/desktop/src/api.ts
index c851320..ae5f784 100644
--- a/apps/desktop/src/api.ts
+++ b/apps/desktop/src/api.ts
@@ -23,14 +23,14 @@ export type WorkspaceTask = {
   tag: string
 }
 
-export type NoteSource = {
+export type WorkspaceDocument = {
   id: string
   projectId: string
   kind: string
-  title: string
+  name: string
+  extension: string
+  mimeType: string
   updatedAt: string
-  tag: string
-  source: string
 }
 
 export type CronPlan = {
@@ -48,7 +48,7 @@ export type Workspace = {
   project: Project & { initials: string; unreadCount: number }
   tags: Array<{ id: string; name: string }>
   tasks: WorkspaceTask[]
-  notesSources: NoteSource[]
+  documents: WorkspaceDocument[]
   aiSessions: Array<{ id: string; projectId: string; title: string; summary: string; updatedAt: string; references: string[] }>
   cronPlans: CronPlan[]
 }
diff --git a/apps/desktop/src/main.tsx b/apps/desktop/src/main.tsx
index 7fbba9d..a94c964 100644
--- a/apps/desktop/src/main.tsx
+++ b/apps/desktop/src/main.tsx
@@ -5,10 +5,34 @@ import '@arco-design/web-react/dist/css/arco.css'
 import { App } from './App'
 import './styles.css'
 
+type ErrorBoundaryState = { error: Error | null }
+
+class AppErrorBoundary extends React.Component<React.PropsWithChildren, ErrorBoundaryState> {
+  state: ErrorBoundaryState = { error: null }
+
+  static getDerivedStateFromError(error: Error): ErrorBoundaryState {
+    return { error }
+  }
+
+  render() {
+    if (this.state.error) {
+      return (
+        <main style={{ minHeight: '100vh', padding: 24, color: '#1d2129', background: '#f2f3f5' }}>
+          <h2>页面加载失败</h2>
+          <p>请重新登录后再试；如果问题仍出现，请将此信息反馈给管理员。</p>
+          <p style={{ color: '#86909c', wordBreak: 'break-word' }}>{this.state.error.message}</p>
+          <button type="button" onClick={() => { localStorage.removeItem('senlin-mini-session'); window.location.reload() }}>退出并重新登录</button>
+        </main>
+      )
+    }
+    return this.props.children
+  }
+}
+
 ReactDOM.createRoot(document.getElementById('root')!).render(
   <React.StrictMode>
     <ConfigProvider>
-      <App />
+      <AppErrorBoundary><App /></AppErrorBoundary>
     </ConfigProvider>
   </React.StrictMode>,
 )