chore: bump version to 1.6.2

- Updated release notes to reflect recent optimizations and bug fixes, including improvements to the note-taking feature and resolution of issues with CherryAI and VertexAI.
- Bumped version number from 1.6.1 to 1.6.2 in package.json.

.yarn/patches/@ai-sdk-google-npm-2.0.14-376d8b03cc.patch

@@ -1,36 +1,13 @@
 diff --git a/dist/index.mjs b/dist/index.mjs
-index 110f37ec18c98b1d55ae2b73cc716194e6f9094d..91d0f336b318833c6cee9599fe91370c0ff75323 100644
+index 110f37ec18c98b1d55ae2b73cc716194e6f9094d..3ea0fadd783f334db71266e45babdcce11076974 100644
 --- a/dist/index.mjs
 +++ b/dist/index.mjs
-@@ -447,7 +447,10 @@ function convertToGoogleGenerativeAIMessages(prompt, options) {
- }
+@@ -448,7 +448,7 @@ function convertToGoogleGenerativeAIMessages(prompt, options) {
  
  // src/get-model-path.ts
--function getModelPath(modelId) {
-+function getModelPath(modelId, baseURL) {
-+  if (baseURL?.includes('cherryin')) {
+ function getModelPath(modelId) {
+-  return modelId.includes("/") ? modelId : `models/${modelId}`;
 +  return `models/${modelId}`;
-+  }
-   return modelId.includes("/") ? modelId : `models/${modelId}`;
  }
  
-@@ -856,7 +859,8 @@ var GoogleGenerativeAILanguageModel = class {
-       rawValue: rawResponse
-     } = await postJsonToApi2({
-       url: `${this.config.baseURL}/${getModelPath(
--        this.modelId
-+        this.modelId,
-+        this.config.baseURL
-       )}:generateContent`,
-       headers: mergedHeaders,
-       body: args,
-@@ -962,7 +966,8 @@ var GoogleGenerativeAILanguageModel = class {
-     );
-     const { responseHeaders, value: response } = await postJsonToApi2({
-       url: `${this.config.baseURL}/${getModelPath(
--        this.modelId
-+        this.modelId,
-+        this.config.baseURL
-       )}:streamGenerateContent?alt=sse`,
-       headers,
-       body: args,
+ // src/google-generative-ai-options.ts

electron-builder.yml

@@ -125,59 +125,7 @@ afterSign: scripts/notarize.js
 artifactBuildCompleted: scripts/artifact-build-completed.js
 releaseInfo:
   releaseNotes: |
-    <!--LANG:en-->
-    🚀 New Features:
-    - Refactored AI core engine for more efficient and stable content generation
-    - Added support for multiple AI model providers: CherryIN, AiOnly
-    - Added API server functionality for external application integration
-    - Added PaddleOCR document recognition for enhanced document processing
-    - Added Anthropic OAuth authentication support
-    - Added data storage space limit notifications
-    - Added font settings for global and code fonts customization
-    - Added auto-copy feature after translation completion
-    - Added keyboard shortcuts: rename topic, edit last message, etc.
-    - Added text attachment preview for viewing file contents in messages
-    - Added custom window control buttons (minimize, maximize, close)
-    - Support for Qwen long-text (qwen-long) and document analysis (qwen-doc) models with native file uploads
-    - Support for Qwen image recognition models (Qwen-Image)
-    - Added iFlow CLI support
-    - Converted knowledge base and web search to tool-calling approach for better flexibility
-
-    🎨 UI Improvements & Bug Fixes:
-    - Integrated HeroUI and Tailwind CSS framework
-    - Optimized message notification styles with unified toast component
-    - Moved free models to bottom with fixed position for easier access
-    - Refactored quick panel and input bar tools for smoother operation
-    - Optimized responsive design for navbar and sidebar
-    - Improved scrollbar component with horizontal scrolling support
-    - Fixed multiple translation issues: paste handling, file processing, state management
-    - Various UI optimizations and bug fixes
-    <!--LANG:zh-CN-->
-    🚀 新功能：
-    - 重构 AI 核心引擎，提供更高效稳定的内容生成
-    - 新增多个 AI 模型提供商支持：CherryIN、AiOnly
-    - 新增 API 服务器功能，支持外部应用集成
-    - 新增 PaddleOCR 文档识别，增强文档处理能力
-    - 新增 Anthropic OAuth 认证支持
-    - 新增数据存储空间限制提醒
-    - 新增字体设置，支持全局字体和代码字体自定义
-    - 新增翻译完成后自动复制功能
-    - 新增键盘快捷键：重命名主题、编辑最后一条消息等
-    - 新增文本附件预览，可查看消息中的文件内容
-    - 新增自定义窗口控制按钮（最小化、最大化、关闭）
-    - 支持通义千问长文本（qwen-long）和文档分析（qwen-doc）模型，原生文件上传
-    - 支持通义千问图像识别模型（Qwen-Image）
-    - 新增 iFlow CLI 支持
-    - 知识库和网页搜索转换为工具调用方式，提升灵活性
-
-    🎨 界面改进与问题修复：
-    - 集成 HeroUI 和 Tailwind CSS 框架
-    - 优化消息通知样式，统一 toast 组件
-    - 免费模型移至底部固定位置，便于访问
-    - 重构快捷面板和输入栏工具，操作更流畅
-    - 优化导航栏和侧边栏响应式设计
-    - 改进滚动条组件，支持水平滚动
-    - 修复多个翻译问题：粘贴处理、文件处理、状态管理
-    - 各种界面优化和问题修复
-    <!--LANG:END-->
-
+    Optimized note-taking feature, now able to quickly rename by modifying the title
+    Fixed issue where CherryAI free model could not be used
+    Fixed issue where VertexAI proxy address could not be called normally
+    Fixed issue where built-in tools from service providers could not be called normally

package.json

@@ -1,6 +1,6 @@
 {
   "name": "CherryStudio",
-  "version": "1.6.1",
+  "version": "1.6.2",
   "private": true,
   "description": "A powerful AI assistant for producer.",
   "main": "./out/main/index.js",

packages/aiCore/package.json

@@ -39,7 +39,6 @@
     "@ai-sdk/anthropic": "^2.0.17",
     "@ai-sdk/azure": "^2.0.30",
     "@ai-sdk/deepseek": "^1.0.17",
-    "@ai-sdk/google": "patch:@ai-sdk/google@npm%3A2.0.14#~/.yarn/patches/@ai-sdk-google-npm-2.0.14-376d8b03cc.patch",
     "@ai-sdk/openai": "^2.0.30",
     "@ai-sdk/openai-compatible": "^1.0.17",
     "@ai-sdk/provider": "^2.0.0",

src/main/utils/file.ts

@@ -1,3 +1,4 @@
+import { createHash } from 'node:crypto'
 import * as fs from 'node:fs'
 import { readFile } from 'node:fs/promises'
 import os from 'node:os'
@@ -264,11 +265,12 @@ export async function scanDir(dirPath: string, depth = 0, basePath?: string): Pr
 
     if (entry.isDirectory() && options.includeDirectories) {
       const stats = await fs.promises.stat(entryPath)
+      const externalDirPath = entryPath.replace(/\\/g, '/')
       const dirTreeNode: NotesTreeNode = {
-        id: uuidv4(),
+        id: createHash('sha1').update(externalDirPath).digest('hex'),
         name: entry.name,
         treePath: treePath,
-        externalPath: entryPath,
+        externalPath: externalDirPath,
         createdAt: stats.birthtime.toISOString(),
         updatedAt: stats.mtime.toISOString(),
         type: 'folder',
@@ -299,11 +301,12 @@ export async function scanDir(dirPath: string, depth = 0, basePath?: string): Pr
         ? `/${dirRelativePath.replace(/\\/g, '/')}/${nameWithoutExt}`
         : `/${nameWithoutExt}`
 
+      const externalFilePath = entryPath.replace(/\\/g, '/')
       const fileTreeNode: NotesTreeNode = {
-        id: uuidv4(),
+        id: createHash('sha1').update(externalFilePath).digest('hex'),
         name: name,
         treePath: fileTreePath,
-        externalPath: entryPath,
+        externalPath: externalFilePath,
         createdAt: stats.birthtime.toISOString(),
         updatedAt: stats.mtime.toISOString(),
         type: 'file'

src/renderer/src/aiCore/provider/providerConfig.ts

@@ -18,7 +18,7 @@ import { loggerService } from '@renderer/services/LoggerService'
 import store from '@renderer/store'
 import { isSystemProvider, type Model, type Provider } from '@renderer/types'
 import { formatApiHost } from '@renderer/utils/api'
-import { cloneDeep, isEmpty } from 'lodash'
+import { cloneDeep, trim } from 'lodash'
 
 import { aihubmixProviderCreator, newApiResolverCreator, vertexAnthropicProviderCreator } from './config'
 import { getAiSdkProviderId } from './factory'
@@ -120,7 +120,7 @@ export function providerToAiSdkConfig(
 
   // 构建基础配置
   const baseConfig = {
-    baseURL: actualProvider.apiHost,
+    baseURL: trim(actualProvider.apiHost),
     apiKey: getRotatedApiKey(actualProvider)
   }
   // 处理OpenAI模式
@@ -195,7 +195,10 @@ export function providerToAiSdkConfig(
     } else if (baseConfig.baseURL.endsWith('/v1')) {
       baseConfig.baseURL = baseConfig.baseURL.slice(0, -3)
     }
-    baseConfig.baseURL = isEmpty(baseConfig.baseURL) ? '' : baseConfig.baseURL
+
+    if (baseConfig.baseURL && !baseConfig.baseURL.includes('publishers/google')) {
+      baseConfig.baseURL = `${baseConfig.baseURL}/v1/projects/${project}/locations/${location}/publishers/google`
+    }
   }
 
   // 如果AI SDK支持该provider，使用原生配置

src/renderer/src/aiCore/tools/KnowledgeSearchTool.ts

@@ -18,12 +18,13 @@ export const knowledgeSearchTool = (
 ) => {
   return tool({
     name: 'builtin_knowledge_search',
-    description: `Search the knowledge base for relevant information using pre-analyzed search intent.
+    description: `Knowledge base search tool for retrieving information from user's private knowledge base. This searches your local collection of documents, web content, notes, and other materials you have stored.
 
-Pre-extracted search queries: "${extractedKeywords.question.join(', ')}"
-Rewritten query: "${extractedKeywords.rewrite}"
+This tool has been configured with search parameters based on the conversation context:
+- Prepared queries: ${extractedKeywords.question.map((q) => `"${q}"`).join(', ')}
+- Query rewrite: "${extractedKeywords.rewrite}"
 
-Call this tool to execute the search. You can optionally provide additional context to refine the search.`,
+You can use this tool as-is, or provide additionalContext to refine the search focus within the knowledge base.`,
 
     inputSchema: z.object({
       additionalContext: z

src/renderer/src/aiCore/tools/WebSearchTool.ts

@@ -21,16 +21,17 @@ export const webSearchToolWithPreExtractedKeywords = (
 
   return tool({
     name: 'builtin_web_search',
-    description: `Search the web and return citable sources using pre-analyzed search intent.
+    description: `Web search tool for finding current information, news, and real-time data from the internet.
 
-Pre-extracted search keywords: "${extractedKeywords.question.join(', ')}"${
-      extractedKeywords.links
+This tool has been configured with search parameters based on the conversation context:
+- Prepared queries: ${extractedKeywords.question.map((q) => `"${q}"`).join(', ')}${
+      extractedKeywords.links?.length
         ? `
-Relevant links: ${extractedKeywords.links.join(', ')}`
+- Relevant URLs: ${extractedKeywords.links.join(', ')}`
         : ''
     }
 
-Call this tool to execute the search. You can optionally provide additional context to refine the search.`,
+You can use this tool as-is to search with the prepared queries, or provide additionalContext to refine or replace the search terms.`,
 
     inputSchema: z.object({
       additionalContext: z

src/renderer/src/components/Popups/SaveToKnowledgePopup.tsx

@@ -253,12 +253,39 @@ const PopupContainer: React.FC<Props> = ({ source, title, resolve }) => {
     let savedCount = 0
 
     try {
+      // Validate knowledge base configuration before proceeding
+      if (!selectedBaseId) {
+        throw new Error('No knowledge base selected')
+      }
+
+      const selectedBase = bases.find((base) => base.id === selectedBaseId)
+      if (!selectedBase) {
+        throw new Error('Selected knowledge base not found')
+      }
+
+      if (!selectedBase.version) {
+        throw new Error('Knowledge base is not properly configured. Please check the knowledge base settings.')
+      }
+
       if (isNoteMode) {
         const note = source.data as NotesTreeNode
-        const content = note.externalPath
-          ? await window.api.file.readExternal(note.externalPath)
-          : await window.api.file.read(note.id + '.md')
-        logger.debug('Note content:', content)
+        if (!note.externalPath) {
+          throw new Error('Note external path is required for export')
+        }
+
+        let content = ''
+        try {
+          content = await window.api.file.readExternal(note.externalPath)
+        } catch (error) {
+          logger.error('Failed to read note file:', error as Error)
+          throw new Error('Failed to read note content. Please ensure the file exists and is accessible.')
+        }
+
+        if (!content || content.trim() === '') {
+          throw new Error('Note content is empty. Cannot export empty notes to knowledge base.')
+        }
+
+        logger.debug('Note content loaded', { contentLength: content.length })
         await addNote(content)
         savedCount = 1
       } else {
@@ -283,9 +310,23 @@ const PopupContainer: React.FC<Props> = ({ source, title, resolve }) => {
       resolve({ success: true, savedCount })
     } catch (error) {
       logger.error('save failed:', error as Error)
-      window.toast.error(
-        t(isTopicMode ? 'chat.save.topic.knowledge.error.save_failed' : 'chat.save.knowledge.error.save_failed')
+
+      // Provide more specific error messages
+      let errorMessage = t(
+        isTopicMode ? 'chat.save.topic.knowledge.error.save_failed' : 'chat.save.knowledge.error.save_failed'
       )
+
+      if (error instanceof Error) {
+        if (error.message.includes('not properly configured')) {
+          errorMessage = error.message
+        } else if (error.message.includes('empty')) {
+          errorMessage = error.message
+        } else if (error.message.includes('read note content')) {
+          errorMessage = error.message
+        }
+      }
+
+      window.toast.error(errorMessage)
       setLoading(false)
     }
   }

src/renderer/src/config/models/reasoning.ts

@@ -335,7 +335,7 @@ export const isDeepSeekHybridInferenceModel = (model: Model) => {
   const modelId = getLowerBaseModelName(model.id)
   // deepseek官方使用chat和reasoner做推理控制，其他provider需要单独判断，id可能会有所差别
   // openrouter: deepseek/deepseek-chat-v3.1 不知道会不会有其他provider仿照ds官方分出一个同id的作为非思考模式的模型，这里有风险
-  return /deepseek-v3(?:\.1|-1-\d+)?/.test(modelId) || modelId.includes('deepseek-chat-v3.1')
+  return /deepseek-v3(?:\.1|-1-\d+)/.test(modelId) || modelId.includes('deepseek-chat-v3.1')
 }
 
 export const isSupportedThinkingTokenDeepSeekModel = isDeepSeekHybridInferenceModel

src/renderer/src/databases/index.ts

@@ -7,7 +7,6 @@ import {
 } from '@renderer/types'
 // Import necessary types for blocks and new message structure
 import type { Message as NewMessage, MessageBlock } from '@renderer/types/newMessage'
-import { NotesTreeNode } from '@renderer/types/note'
 import { Dexie, type EntityTable } from 'dexie'
 
 import { upgradeToV5, upgradeToV7, upgradeToV8 } from './upgrades'
@@ -24,7 +23,6 @@ export const db = new Dexie('CherryStudio', {
   quick_phrases: EntityTable<QuickPhrase, 'id'>
   message_blocks: EntityTable<MessageBlock, 'id'> // Correct type for message_blocks
   translate_languages: EntityTable<CustomTranslateLanguage, 'id'>
-  notes_tree: EntityTable<{ id: string; tree: NotesTreeNode[] }, 'id'>
 }
 
 db.version(1).stores({
@@ -118,8 +116,7 @@ db.version(10).stores({
   translate_history: '&id, sourceText, targetText, sourceLanguage, targetLanguage, createdAt',
   translate_languages: '&id, langCode',
   quick_phrases: 'id',
-  message_blocks: 'id, messageId, file.id',
-  notes_tree: '&id'
+  message_blocks: 'id, messageId, file.id'
 })
 
 export default db

src/renderer/src/pages/home/Inputbar/MentionModelsButton.tsx

@@ -250,21 +250,19 @@ const MentionModelsButton: FC<Props> = ({
           // ESC关闭时的处理：删除 @ 和搜索文本
           if (action === 'esc') {
             // 只有在输入触发且有模型选择动作时才删除@字符和搜索文本
-            if (
-              hasModelActionRef.current &&
-              ctx.triggerInfo?.type === 'input' &&
-              ctx.triggerInfo?.position !== undefined
-            ) {
+            const triggerInfo = ctx?.triggerInfo ?? triggerInfoRef.current
+            if (hasModelActionRef.current && triggerInfo?.type === 'input' && triggerInfo?.position !== undefined) {
               // 基于当前光标 + 搜索词精确定位并删除，position 仅作兜底
               setText((currentText) => {
                 const textArea = document.querySelector('.inputbar textarea') as HTMLTextAreaElement | null
                 const caret = textArea ? (textArea.selectionStart ?? currentText.length) : currentText.length
-                return removeAtSymbolAndText(currentText, caret, searchText || '', ctx.triggerInfo?.position!)
+                return removeAtSymbolAndText(currentText, caret, searchText || '', triggerInfo.position!)
               })
             }
           }
           // Backspace删除@的情况（delete-symbol）：
           // @ 已经被Backspace自然删除，面板关闭，不需要额外操作
+          triggerInfoRef.current = undefined
         }
       })
     },

src/renderer/src/pages/home/Messages/Blocks/ErrorBlock.tsx

@@ -103,7 +103,8 @@ const MessageErrorInfo: React.FC<{ block: ErrorMessageBlock; message: Message }>
   const [showDetailModal, setShowDetailModal] = useState(false)
   const { t } = useTranslation()
 
-  const onRemoveBlock = () => {
+  const onRemoveBlock = (e: React.MouseEvent) => {
+    e.stopPropagation()
     setTimeoutTimer('onRemoveBlock', () => dispatch(removeBlocksThunk(message.topicId, message.id, [block.id])), 350)
   }
 

src/renderer/src/pages/notes/HeaderNavbar.tsx

@@ -5,24 +5,25 @@ import { HStack } from '@renderer/components/Layout'
 import { useActiveNode } from '@renderer/hooks/useNotesQuery'
 import { useNotesSettings } from '@renderer/hooks/useNotesSettings'
 import { useShowWorkspace } from '@renderer/hooks/useShowWorkspace'
-import { findNodeByPath, findNodeInTree, updateNodeInTree } from '@renderer/services/NotesTreeService'
-import { NotesTreeNode } from '@types'
-import { Dropdown, Tooltip } from 'antd'
+import { findNode } from '@renderer/services/NotesTreeService'
+import { Dropdown, Input, Tooltip } from 'antd'
 import { t } from 'i18next'
 import { MoreHorizontal, PanelLeftClose, PanelRightClose, Star } from 'lucide-react'
-import { useCallback, useEffect, useState } from 'react'
+import { useCallback, useEffect, useRef, useState } from 'react'
 import styled from 'styled-components'
 
 import { menuItems } from './MenuConfig'
 
 const logger = loggerService.withContext('HeaderNavbar')
 
-const HeaderNavbar = ({ notesTree, getCurrentNoteContent, onToggleStar }) => {
+const HeaderNavbar = ({ notesTree, getCurrentNoteContent, onToggleStar, onExpandPath, onRenameNode }) => {
   const { showWorkspace, toggleShowWorkspace } = useShowWorkspace()
   const { activeNode } = useActiveNode(notesTree)
   const [breadcrumbItems, setBreadcrumbItems] = useState<
     Array<{ key: string; title: string; treePath: string; isFolder: boolean }>
   >([])
+  const [titleValue, setTitleValue] = useState('')
+  const titleInputRef = useRef<any>(null)
   const { settings, updateSettings } = useNotesSettings()
   const canShowStarButton = activeNode?.type === 'file' && onToggleStar
 
@@ -52,37 +53,41 @@ const HeaderNavbar = ({ notesTree, getCurrentNoteContent, onToggleStar }) => {
   }, [getCurrentNoteContent])
 
   const handleBreadcrumbClick = useCallback(
-    async (item: { treePath: string; isFolder: boolean }) => {
-      if (item.isFolder && notesTree) {
-        try {
-          // 获取从根目录到点击目录的所有路径片段
-          const pathParts = item.treePath.split('/').filter(Boolean)
-          const expandPromises: Promise<NotesTreeNode>[] = []
-
-          // 逐级展开从根到目标路径的所有文件夹
-          for (let i = 0; i < pathParts.length; i++) {
-            const currentPath = '/' + pathParts.slice(0, i + 1).join('/')
-            const folderNode = findNodeByPath(notesTree, currentPath)
-
-            if (folderNode && folderNode.type === 'folder' && !folderNode.expanded) {
-              expandPromises.push(updateNodeInTree(notesTree, folderNode.id, { expanded: true }))
-            }
-          }
-
-          // 并行执行所有展开操作
-          if (expandPromises.length > 0) {
-            await Promise.all(expandPromises)
-            logger.info('Expanded folder path from breadcrumb:', {
-              targetPath: item.treePath,
-              expandedCount: expandPromises.length
-            })
-          }
-        } catch (error) {
-          logger.error('Failed to expand folder path from breadcrumb:', error as Error)
-        }
+    (item: { treePath: string; isFolder: boolean }) => {
+      if (item.isFolder && onExpandPath) {
+        onExpandPath(item.treePath)
       }
     },
-    [notesTree]
+    [onExpandPath]
+  )
+
+  const handleTitleChange = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
+    setTitleValue(e.target.value)
+  }, [])
+
+  const handleTitleBlur = useCallback(() => {
+    if (activeNode && titleValue.trim() && titleValue.trim() !== activeNode.name.replace('.md', '')) {
+      onRenameNode?.(activeNode.id, titleValue.trim())
+    } else if (activeNode) {
+      // 如果没有更改或为空，恢复原始值
+      setTitleValue(activeNode.name.replace('.md', ''))
+    }
+  }, [activeNode, titleValue, onRenameNode])
+
+  const handleTitleKeyDown = useCallback(
+    (e: React.KeyboardEvent) => {
+      if (e.key === 'Enter') {
+        e.preventDefault()
+        titleInputRef.current?.blur()
+      } else if (e.key === 'Escape') {
+        e.preventDefault()
+        if (activeNode) {
+          setTitleValue(activeNode.name.replace('.md', ''))
+        }
+        titleInputRef.current?.blur()
+      }
+    },
+    [activeNode]
   )
 
   const buildMenuItem = (item: any) => {
@@ -133,13 +138,20 @@ const HeaderNavbar = ({ notesTree, getCurrentNoteContent, onToggleStar }) => {
     }
   }
 
+  // 同步标题值
+  useEffect(() => {
+    if (activeNode?.type === 'file') {
+      setTitleValue(activeNode.name.replace('.md', ''))
+    }
+  }, [activeNode])
+
   // 构建面包屑路径
   useEffect(() => {
     if (!activeNode || !notesTree) {
       setBreadcrumbItems([])
       return
     }
-    const node = findNodeInTree(notesTree, activeNode.id)
+    const node = findNode(notesTree, activeNode.id)
     if (!node) return
 
     const pathParts = node.treePath.split('/').filter(Boolean)
@@ -179,16 +191,41 @@ const HeaderNavbar = ({ notesTree, getCurrentNoteContent, onToggleStar }) => {
       </HStack>
       <NavbarCenter style={{ flex: 1, minWidth: 0 }}>
         <BreadcrumbsContainer>
-          <Breadcrumbs>
-            {breadcrumbItems.map((item, index) => (
-              <BreadcrumbItem key={item.key} isCurrent={index === breadcrumbItems.length - 1}>
+          <Breadcrumbs style={{ borderRadius: 0 }}>
+            {breadcrumbItems.map((item, index) => {
+              const isLastItem = index === breadcrumbItems.length - 1
+              const isCurrentNote = isLastItem && !item.isFolder
+
+              return (
+                <BreadcrumbItem key={item.key} isCurrent={isLastItem}>
+                  {isCurrentNote ? (
+                    <TitleInputWrapper>
+                      <TitleInput
+                        ref={titleInputRef}
+                        value={titleValue}
+                        onChange={handleTitleChange}
+                        onBlur={handleTitleBlur}
+                        onKeyDown={handleTitleKeyDown}
+                        size="small"
+                        variant="borderless"
+                        style={{
+                          fontSize: 'inherit',
+                          padding: 0,
+                          height: 'auto',
+                          lineHeight: 'inherit'
+                        }}
+                      />
+                    </TitleInputWrapper>
+                  ) : (
                     <BreadcrumbTitle
                       onClick={() => handleBreadcrumbClick(item)}
-                  $clickable={item.isFolder && index < breadcrumbItems.length - 1}>
+                      $clickable={item.isFolder && !isLastItem}>
                       {item.title}
                     </BreadcrumbTitle>
+                  )}
                 </BreadcrumbItem>
-            ))}
+              )
+            })}
           </Breadcrumbs>
         </BreadcrumbsContainer>
       </NavbarCenter>
@@ -303,6 +340,30 @@ export const BreadcrumbsContainer = styled.div`
     align-items: center;
   }
 
+  /* 最后一个面包屑项（当前笔记）可以扩展 */
+  & li:last-child {
+    flex: 1 !important;
+    min-width: 0 !important;
+    max-width: none !important;
+  }
+
+  /* 覆盖 HeroUI BreadcrumbItem 的样式 */
+  & li:last-child [data-slot="item"] {
+    flex: 1 !important;
+    width: 100% !important;
+    max-width: none !important;
+  }
+
+  /* 更强的样式覆盖 */
+  & li:last-child * {
+    max-width: none !important;
+  }
+
+  & li:last-child > * {
+    flex: 1 !important;
+    width: 100% !important;
+  }
+
   /* 确保分隔符不会与标题重叠 */
   & li:not(:last-child)::after {
     flex-shrink: 0;
@@ -330,4 +391,64 @@ export const BreadcrumbTitle = styled.span<{ $clickable?: boolean }>`
   `}
 `
 
+export const TitleInputWrapper = styled.div`
+  width: 100%;
+  flex: 1;
+  min-width: 0;
+  max-width: none;
+  display: flex;
+  align-items: center;
+`
+
+export const TitleInput = styled(Input)`
+  &&& {
+    border: none !important;
+    box-shadow: none !important;
+    background: transparent !important;
+    color: inherit !important;
+    font-size: inherit !important;
+    font-weight: inherit !important;
+    font-family: inherit !important;
+    padding: 0 !important;
+    height: auto !important;
+    line-height: inherit !important;
+    width: 100% !important;
+    min-width: 0 !important;
+    max-width: none !important;
+    flex: 1 !important;
+
+    &:focus,
+    &:hover {
+      border: none !important;
+      box-shadow: none !important;
+      background: transparent !important;
+    }
+
+    &::placeholder {
+      color: var(--color-text-3) !important;
+    }
+
+    input {
+      border: none !important;
+      box-shadow: none !important;
+      background: transparent !important;
+      color: inherit !important;
+      font-size: inherit !important;
+      font-weight: inherit !important;
+      font-family: inherit !important;
+      padding: 0 !important;
+      height: auto !important;
+      line-height: inherit !important;
+      width: 100% !important;
+
+      &:focus,
+      &:hover {
+        border: none !important;
+        box-shadow: none !important;
+        background: transparent !important;
+      }
+    }
+  }
+`
+
 export default HeaderNavbar

src/renderer/src/pages/notes/NotesEditor.tsx

@@ -5,7 +5,7 @@ import { RichEditorRef } from '@renderer/components/RichEditor/types'
 import Selector from '@renderer/components/Selector'
 import { useNotesSettings } from '@renderer/hooks/useNotesSettings'
 import { EditorView } from '@renderer/types'
-import { Empty, Spin } from 'antd'
+import { Empty } from 'antd'
 import { FC, memo, RefObject, useCallback, useMemo, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import styled from 'styled-components'
@@ -14,13 +14,12 @@ interface NotesEditorProps {
   activeNodeId?: string
   currentContent: string
   tokenCount: number
-  isLoading: boolean
   editorRef: RefObject<RichEditorRef | null>
   onMarkdownChange: (content: string) => void
 }
 
 const NotesEditor: FC<NotesEditorProps> = memo(
-  ({ activeNodeId, currentContent, tokenCount, isLoading, onMarkdownChange, editorRef }) => {
+  ({ activeNodeId, currentContent, tokenCount, onMarkdownChange, editorRef }) => {
     const { t } = useTranslation()
     const { settings } = useNotesSettings()
     const currentViewMode = useMemo(() => {
@@ -47,14 +46,6 @@ const NotesEditor: FC<NotesEditorProps> = memo(
       )
     }
 
-    if (isLoading) {
-      return (
-        <LoadingContainer>
-          <Spin tip={t('common.loading')} />
-        </LoadingContainer>
-      )
-    }
-
     return (
       <>
         <RichEditorContainer>
@@ -122,14 +113,6 @@ const NotesEditor: FC<NotesEditorProps> = memo(
 
 NotesEditor.displayName = 'NotesEditor'
 
-const LoadingContainer = styled.div`
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  width: 100%;
-  height: 100%;
-`
-
 const EmptyContainer = styled.div`
   display: flex;
   justify-content: center;

src/renderer/src/pages/notes/NotesPage.tsx

@@ -5,21 +5,38 @@ import { useActiveNode, useFileContent, useFileContentSync } from '@renderer/hoo
 import { useNotesSettings } from '@renderer/hooks/useNotesSettings'
 import { useShowWorkspace } from '@renderer/hooks/useShowWorkspace'
 import {
-  createFolder,
-  createNote,
-  deleteNode,
-  initWorkSpace,
-  moveNode,
-  renameNode,
-  sortAllLevels,
-  uploadFiles
+  addDir,
+  addNote,
+  delNode,
+  loadTree,
+  renameNode as renameEntry,
+  sortTree,
+  uploadNotes
 } from '@renderer/services/NotesService'
-import { getNotesTree, isParentNode, updateNodeInTree } from '@renderer/services/NotesTreeService'
-import { useAppDispatch, useAppSelector } from '@renderer/store'
-import { selectActiveFilePath, selectSortType, setActiveFilePath, setSortType } from '@renderer/store/note'
+import {
+  addUniquePath,
+  findNode,
+  findNodeByPath,
+  findParent,
+  normalizePathValue,
+  removePathEntries,
+  reorderTreeNodes,
+  replacePathEntries,
+  updateTreeNode
+} from '@renderer/services/NotesTreeService'
+import { useAppDispatch, useAppSelector, useAppStore } from '@renderer/store'
+import {
+  selectActiveFilePath,
+  selectExpandedPaths,
+  selectSortType,
+  selectStarredPaths,
+  setActiveFilePath,
+  setExpandedPaths,
+  setSortType,
+  setStarredPaths
+} from '@renderer/store/note'
 import { NotesSortType, NotesTreeNode } from '@renderer/types/note'
 import { FileChangeEvent } from '@shared/config/types'
-import { useLiveQuery } from 'dexie-react-hooks'
 import { debounce } from 'lodash'
 import { AnimatePresence, motion } from 'motion/react'
 import { FC, useCallback, useEffect, useMemo, useRef, useState } from 'react'
@@ -37,27 +54,98 @@ const NotesPage: FC = () => {
   const { t } = useTranslation()
   const { showWorkspace } = useShowWorkspace()
   const dispatch = useAppDispatch()
+  const store = useAppStore()
   const activeFilePath = useAppSelector(selectActiveFilePath)
   const sortType = useAppSelector(selectSortType)
+  const starredPaths = useAppSelector(selectStarredPaths)
+  const expandedPaths = useAppSelector(selectExpandedPaths)
   const { settings, notesPath, updateNotesPath } = useNotesSettings()
 
   // 混合策略：useLiveQuery用于笔记树，React Query用于文件内容
-  const notesTreeQuery = useLiveQuery(() => getNotesTree(), [])
-  const notesTree = useMemo(() => notesTreeQuery || [], [notesTreeQuery])
+  const [notesTree, setNotesTree] = useState<NotesTreeNode[]>([])
+  const starredSet = useMemo(() => new Set(starredPaths), [starredPaths])
+  const expandedSet = useMemo(() => new Set(expandedPaths), [expandedPaths])
   const { activeNode } = useActiveNode(notesTree)
   const { invalidateFileContent } = useFileContentSync()
-  const { data: currentContent = '', isLoading: isContentLoading } = useFileContent(activeFilePath)
+  const { data: currentContent = '' } = useFileContent(activeFilePath)
 
   const [tokenCount, setTokenCount] = useState(0)
   const [selectedFolderId, setSelectedFolderId] = useState<string | null>(null)
   const watcherRef = useRef<(() => void) | null>(null)
-  const isSyncingTreeRef = useRef(false)
   const lastContentRef = useRef<string>('')
   const lastFilePathRef = useRef<string | undefined>(undefined)
-  const isInitialSortApplied = useRef(false)
   const isRenamingRef = useRef(false)
   const isCreatingNoteRef = useRef(false)
 
+  const activeFilePathRef = useRef<string | undefined>(activeFilePath)
+  const currentContentRef = useRef(currentContent)
+
+  const updateStarredPaths = useCallback(
+    (updater: (paths: string[]) => string[]) => {
+      const current = store.getState().note.starredPaths
+      const safeCurrent = Array.isArray(current) ? current : []
+      const next = updater(safeCurrent) ?? []
+      if (!Array.isArray(next)) {
+        return
+      }
+      if (next !== safeCurrent) {
+        dispatch(setStarredPaths(next))
+      }
+    },
+    [dispatch, store]
+  )
+
+  const updateExpandedPaths = useCallback(
+    (updater: (paths: string[]) => string[]) => {
+      const current = store.getState().note.expandedPaths
+      const safeCurrent = Array.isArray(current) ? current : []
+      const next = updater(safeCurrent) ?? []
+      if (!Array.isArray(next)) {
+        return
+      }
+      if (next !== safeCurrent) {
+        dispatch(setExpandedPaths(next))
+      }
+    },
+    [dispatch, store]
+  )
+
+  const mergeTreeState = useCallback(
+    (nodes: NotesTreeNode[]): NotesTreeNode[] => {
+      return nodes.map((node) => {
+        const normalizedPath = normalizePathValue(node.externalPath)
+        const merged: NotesTreeNode = {
+          ...node,
+          externalPath: normalizedPath,
+          isStarred: starredSet.has(normalizedPath)
+        }
+
+        if (node.type === 'folder') {
+          merged.expanded = expandedSet.has(normalizedPath)
+          merged.children = node.children ? mergeTreeState(node.children) : []
+        }
+
+        return merged
+      })
+    },
+    [starredSet, expandedSet]
+  )
+
+  const refreshTree = useCallback(async () => {
+    if (!notesPath) {
+      setNotesTree([])
+      return
+    }
+
+    try {
+      const rawTree = await loadTree(notesPath)
+      const sortedTree = sortTree(rawTree, sortType)
+      setNotesTree(mergeTreeState(sortedTree))
+    } catch (error) {
+      logger.error('Failed to refresh notes tree:', error as Error)
+    }
+  }, [mergeTreeState, notesPath, sortType])
+
   useEffect(() => {
     const updateCharCount = () => {
       const textContent = editorRef.current?.getContent() || currentContent
@@ -67,19 +155,16 @@ const NotesPage: FC = () => {
     updateCharCount()
   }, [currentContent])
 
-  // 查找树节点 by ID
-  const findNodeById = useCallback((tree: NotesTreeNode[], nodeId: string): NotesTreeNode | null => {
-    for (const node of tree) {
-      if (node.id === nodeId) {
-        return node
+  useEffect(() => {
+    refreshTree()
+  }, [refreshTree])
+
+  // Re-merge tree state when starred or expanded paths change
+  useEffect(() => {
+    if (notesTree.length > 0) {
+      setNotesTree((prev) => mergeTreeState(prev))
     }
-      if (node.children) {
-        const found = findNodeById(node.children, nodeId)
-        if (found) return found
-      }
-    }
-    return null
-  }, [])
+  }, [starredPaths, expandedPaths, mergeTreeState, notesTree.length])
 
   // 保存当前笔记内容
   const saveCurrentNote = useCallback(
@@ -107,6 +192,11 @@ const NotesPage: FC = () => {
     [saveCurrentNote]
   )
 
+  const saveCurrentNoteRef = useRef(saveCurrentNote)
+  const debouncedSaveRef = useRef(debouncedSave)
+  const invalidateFileContentRef = useRef(invalidateFileContent)
+  const refreshTreeRef = useRef(refreshTree)
+
   const handleMarkdownChange = useCallback(
     (newMarkdown: string) => {
       // 记录最新内容和文件路径，用于兜底保存
@@ -118,6 +208,30 @@ const NotesPage: FC = () => {
     [debouncedSave, activeFilePath]
   )
 
+  useEffect(() => {
+    activeFilePathRef.current = activeFilePath
+  }, [activeFilePath])
+
+  useEffect(() => {
+    currentContentRef.current = currentContent
+  }, [currentContent])
+
+  useEffect(() => {
+    saveCurrentNoteRef.current = saveCurrentNote
+  }, [saveCurrentNote])
+
+  useEffect(() => {
+    debouncedSaveRef.current = debouncedSave
+  }, [debouncedSave])
+
+  useEffect(() => {
+    invalidateFileContentRef.current = invalidateFileContent
+  }, [invalidateFileContent])
+
+  useEffect(() => {
+    refreshTreeRef.current = refreshTree
+  }, [refreshTree])
+
   useEffect(() => {
     async function initialize() {
       if (!notesPath) {
@@ -133,29 +247,12 @@ const NotesPage: FC = () => {
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [notesPath])
 
-  // 应用初始排序
-  useEffect(() => {
-    async function applyInitialSort() {
-      if (notesTree.length > 0 && !isInitialSortApplied.current) {
-        try {
-          await sortAllLevels(sortType)
-          isInitialSortApplied.current = true
-        } catch (error) {
-          logger.error('Failed to apply initial sorting:', error as Error)
-        }
-      }
-    }
-
-    applyInitialSort()
-  }, [notesTree.length, sortType])
-
   // 处理树同步时的状态管理
   useEffect(() => {
     if (notesTree.length === 0) return
     // 如果有activeFilePath但找不到对应节点，清空选择
     // 但要排除正在同步树结构、重命名或创建笔记的情况，避免在这些操作中误清空
-    const shouldClearPath =
-      activeFilePath && !activeNode && !isSyncingTreeRef.current && !isRenamingRef.current && !isCreatingNoteRef.current
+    const shouldClearPath = activeFilePath && !activeNode && !isRenamingRef.current && !isCreatingNoteRef.current
 
     if (shouldClearPath) {
       logger.warn('Clearing activeFilePath - node not found in tree', {
@@ -167,7 +264,7 @@ const NotesPage: FC = () => {
   }, [notesTree, activeFilePath, activeNode, dispatch])
 
   useEffect(() => {
-    if (!notesPath || notesTree.length === 0) return
+    if (!notesPath) return
 
     async function startFileWatcher() {
       // 清理之前的监控
@@ -181,31 +278,14 @@ const NotesPage: FC = () => {
         try {
           if (!notesPath) return
           const { eventType, filePath } = data
+          const normalizedEventPath = normalizePathValue(filePath)
 
           switch (eventType) {
             case 'change': {
               // 处理文件内容变化 - 只有内容真正改变时才触发更新
-              if (activeFilePath === filePath) {
-                try {
-                  // 读取文件最新内容
-                  // const newFileContent = await window.api.file.readExternal(filePath)
-                  // // 获取当前编辑器/缓存中的内容
-                  // const currentEditorContent = editorRef.current?.getMarkdown()
-                  // // 如果编辑器还未初始化完成，忽略FileWatcher事件
-                  // if (!isEditorInitialized.current) {
-                  //   return
-                  // }
-                  // // 比较内容是否真正发生变化
-                  // if (newFileContent.trim() !== currentEditorContent?.trim()) {
-                  //   invalidateFileContent(filePath)
-                  // }
-                } catch (error) {
-                  logger.error('Failed to read file for content comparison:', error as Error)
-                  // 读取失败时，还是执行原来的逻辑
-                  invalidateFileContent(filePath)
-                }
-              } else {
-                await initWorkSpace(notesPath, sortType)
+              const activePath = activeFilePathRef.current
+              if (activePath && normalizePathValue(activePath) === normalizedEventPath) {
+                invalidateFileContentRef.current?.(normalizedEventPath)
               }
               break
             }
@@ -215,20 +295,18 @@ const NotesPage: FC = () => {
             case 'unlink':
             case 'unlinkDir': {
               // 如果删除的是当前活动文件，清空选择
-              if ((eventType === 'unlink' || eventType === 'unlinkDir') && activeFilePath === filePath) {
+              if (
+                (eventType === 'unlink' || eventType === 'unlinkDir') &&
+                activeFilePathRef.current &&
+                normalizePathValue(activeFilePathRef.current) === normalizedEventPath
+              ) {
                 dispatch(setActiveFilePath(undefined))
+                editorRef.current?.clear()
               }
 
-              // 设置同步标志，避免竞态条件
-              isSyncingTreeRef.current = true
-
-              // 重新同步数据库，useLiveQuery会自动响应数据库变化
-              try {
-                await initWorkSpace(notesPath, sortType)
-              } catch (error) {
-                logger.error('Failed to sync database:', error as Error)
-              } finally {
-                isSyncingTreeRef.current = false
+              const refresh = refreshTreeRef.current
+              if (refresh) {
+                await refresh()
               }
               break
             }
@@ -261,26 +339,19 @@ const NotesPage: FC = () => {
       })
 
       // 如果有未保存的内容，立即保存
-      if (lastContentRef.current && lastContentRef.current !== currentContent && lastFilePathRef.current) {
-        saveCurrentNote(lastContentRef.current, lastFilePathRef.current).catch((error) => {
+      if (lastContentRef.current && lastFilePathRef.current && lastContentRef.current !== currentContentRef.current) {
+        const saveFn = saveCurrentNoteRef.current
+        if (saveFn) {
+          saveFn(lastContentRef.current, lastFilePathRef.current).catch((error) => {
             logger.error('Emergency save failed:', error as Error)
           })
         }
+      }
 
       // 清理防抖函数
-      debouncedSave.cancel()
+      debouncedSaveRef.current?.cancel()
     }
-  }, [
-    notesPath,
-    notesTree.length,
-    activeFilePath,
-    invalidateFileContent,
-    dispatch,
-    currentContent,
-    debouncedSave,
-    saveCurrentNote,
-    sortType
-  ])
+  }, [dispatch, notesPath])
 
   useEffect(() => {
     const editor = editorRef.current
@@ -316,13 +387,13 @@ const NotesPage: FC = () => {
   // 获取目标文件夹路径（选中文件夹或根目录）
   const getTargetFolderPath = useCallback(() => {
     if (selectedFolderId) {
-      const selectedNode = findNodeById(notesTree, selectedFolderId)
+      const selectedNode = findNode(notesTree, selectedFolderId)
       if (selectedNode && selectedNode.type === 'folder') {
         return selectedNode.externalPath
       }
     }
     return notesPath // 默认返回根目录
-  }, [selectedFolderId, notesTree, notesPath, findNodeById])
+  }, [selectedFolderId, notesTree, notesPath])
 
   // 创建文件夹
   const handleCreateFolder = useCallback(
@@ -332,12 +403,14 @@ const NotesPage: FC = () => {
         if (!targetPath) {
           throw new Error('No folder path selected')
         }
-        await createFolder(name, targetPath)
+        await addDir(name, targetPath)
+        updateExpandedPaths((prev) => addUniquePath(prev, normalizePathValue(targetPath)))
+        await refreshTree()
       } catch (error) {
         logger.error('Failed to create folder:', error as Error)
       }
     },
-    [getTargetFolderPath]
+    [getTargetFolderPath, refreshTree, updateExpandedPaths]
   )
 
   // 创建笔记
@@ -350,11 +423,13 @@ const NotesPage: FC = () => {
         if (!targetPath) {
           throw new Error('No folder path selected')
         }
-        const newNote = await createNote(name, '', targetPath)
-        dispatch(setActiveFilePath(newNote.externalPath))
+        const { path: notePath } = await addNote(name, '', targetPath)
+        const normalizedParent = normalizePathValue(targetPath)
+        updateExpandedPaths((prev) => addUniquePath(prev, normalizedParent))
+        dispatch(setActiveFilePath(notePath))
         setSelectedFolderId(null)
 
-        await sortAllLevels(sortType)
+        await refreshTree()
       } catch (error) {
         logger.error('Failed to create note:', error as Error)
       } finally {
@@ -364,73 +439,41 @@ const NotesPage: FC = () => {
         }, 500)
       }
     },
-    [dispatch, getTargetFolderPath, sortType]
-  )
-
-  // 切换展开状态
-  const toggleNodeExpanded = useCallback(
-    async (nodeId: string) => {
-      try {
-        const tree = await getNotesTree()
-        const node = findNodeById(tree, nodeId)
-
-        if (node && node.type === 'folder') {
-          await updateNodeInTree(tree, nodeId, {
-            expanded: !node.expanded
-          })
-        }
-
-        return tree
-      } catch (error) {
-        logger.error('Failed to toggle expanded:', error as Error)
-        throw error
-      }
-    },
-    [findNodeById]
+    [dispatch, getTargetFolderPath, refreshTree, updateExpandedPaths]
   )
 
   const handleToggleExpanded = useCallback(
-    async (nodeId: string) => {
-      try {
-        await toggleNodeExpanded(nodeId)
-      } catch (error) {
-        logger.error('Failed to toggle expanded:', error as Error)
+    (nodeId: string) => {
+      const targetNode = findNode(notesTree, nodeId)
+      if (!targetNode || targetNode.type !== 'folder') {
+        return
       }
-    },
-    [toggleNodeExpanded]
+
+      const nextExpanded = !targetNode.expanded
+      // Update Redux state first, then let mergeTreeState handle the UI update
+      updateExpandedPaths((prev) =>
+        nextExpanded
+          ? addUniquePath(prev, targetNode.externalPath)
+          : removePathEntries(prev, targetNode.externalPath, false)
       )
-
-  // 切换收藏状态
-  const toggleStarred = useCallback(
-    async (nodeId: string) => {
-      try {
-        const tree = await getNotesTree()
-        const node = findNodeById(tree, nodeId)
-
-        if (node && node.type === 'file') {
-          await updateNodeInTree(tree, nodeId, {
-            isStarred: !node.isStarred
-          })
-        }
-
-        return tree
-      } catch (error) {
-        logger.error('Failed to toggle star:', error as Error)
-        throw error
-      }
     },
-    [findNodeById]
+    [notesTree, updateExpandedPaths]
   )
 
   const handleToggleStar = useCallback(
-    async (nodeId: string) => {
-      try {
-        await toggleStarred(nodeId)
-      } catch (error) {
-        logger.error('Failed to toggle star:', error as Error)
+    (nodeId: string) => {
+      const node = findNode(notesTree, nodeId)
+      if (!node) {
+        return
       }
+
+      const nextStarred = !node.isStarred
+      // Update Redux state first, then let mergeTreeState handle the UI update
+      updateStarredPaths((prev) =>
+        nextStarred ? addUniquePath(prev, node.externalPath) : removePathEntries(prev, node.externalPath, false)
+      )
     },
-    [toggleStarred]
+    [notesTree, updateStarredPaths]
   )
 
   // 选择节点
@@ -447,7 +490,7 @@ const NotesPage: FC = () => {
         }
       } else if (node.type === 'folder') {
         setSelectedFolderId(node.id)
-        await handleToggleExpanded(node.id)
+        handleToggleExpanded(node.id)
       }
     },
     [dispatch, handleToggleExpanded, invalidateFileContent]
@@ -457,28 +500,35 @@ const NotesPage: FC = () => {
   const handleDeleteNode = useCallback(
     async (nodeId: string) => {
       try {
-        const nodeToDelete = findNodeById(notesTree, nodeId)
+        const nodeToDelete = findNode(notesTree, nodeId)
         if (!nodeToDelete) return
 
-        const isActiveNodeOrParent =
-          activeFilePath &&
-          (nodeToDelete.externalPath === activeFilePath || isParentNode(notesTree, nodeId, activeNode?.id || ''))
+        await delNode(nodeToDelete)
 
-        await deleteNode(nodeId)
-        await sortAllLevels(sortType)
+        updateStarredPaths((prev) => removePathEntries(prev, nodeToDelete.externalPath, nodeToDelete.type === 'folder'))
+        updateExpandedPaths((prev) =>
+          removePathEntries(prev, nodeToDelete.externalPath, nodeToDelete.type === 'folder')
+        )
 
-        // 如果删除的是当前活动节点或其父节点，清空编辑器
-        if (isActiveNodeOrParent) {
+        const normalizedActivePath = activeFilePath ? normalizePathValue(activeFilePath) : undefined
+        const normalizedDeletePath = normalizePathValue(nodeToDelete.externalPath)
+        const isActiveNode = normalizedActivePath === normalizedDeletePath
+        const isActiveDescendant =
+          nodeToDelete.type === 'folder' &&
+          normalizedActivePath &&
+          normalizedActivePath.startsWith(`${normalizedDeletePath}/`)
+
+        if (isActiveNode || isActiveDescendant) {
           dispatch(setActiveFilePath(undefined))
-          if (editorRef.current) {
-            editorRef.current.clear()
-          }
+          editorRef.current?.clear()
         }
+
+        await refreshTree()
       } catch (error) {
         logger.error('Failed to delete node:', error as Error)
       }
     },
-    [findNodeById, notesTree, activeFilePath, activeNode?.id, sortType, dispatch]
+    [notesTree, activeFilePath, dispatch, refreshTree, updateStarredPaths, updateExpandedPaths]
   )
 
   // 重命名节点
@@ -487,29 +537,30 @@ const NotesPage: FC = () => {
       try {
         isRenamingRef.current = true
 
-        const tree = await getNotesTree()
-        const node = findNodeById(tree, nodeId)
+        const node = findNode(notesTree, nodeId)
+        if (!node || node.name === newName) {
+          return
+        }
 
-        if (node && node.name !== newName) {
-          const oldExternalPath = node.externalPath
-          const renamedNode = await renameNode(nodeId, newName)
+        const oldPath = node.externalPath
+        const renamed = await renameEntry(node, newName)
 
-          if (renamedNode.type === 'file' && activeFilePath === oldExternalPath) {
-            dispatch(setActiveFilePath(renamedNode.externalPath))
-          } else if (
-            renamedNode.type === 'folder' &&
-            activeFilePath &&
-            activeFilePath.startsWith(oldExternalPath + '/')
-          ) {
-            const relativePath = activeFilePath.substring(oldExternalPath.length)
-            const newFilePath = renamedNode.externalPath + relativePath
-            dispatch(setActiveFilePath(newFilePath))
-          }
-          await sortAllLevels(sortType)
-          if (renamedNode.name !== newName) {
-            window.toast.info(t('notes.rename_changed', { original: newName, final: renamedNode.name }))
-          }
+        if (node.type === 'file' && activeFilePath === oldPath) {
+          debouncedSaveRef.current?.cancel()
+          lastFilePathRef.current = renamed.path
+          dispatch(setActiveFilePath(renamed.path))
+        } else if (node.type === 'folder' && activeFilePath && activeFilePath.startsWith(`${oldPath}/`)) {
+          const suffix = activeFilePath.slice(oldPath.length)
+          const nextActivePath = `${renamed.path}${suffix}`
+          debouncedSaveRef.current?.cancel()
+          lastFilePathRef.current = nextActivePath
+          dispatch(setActiveFilePath(nextActivePath))
         }
+
+        updateStarredPaths((prev) => replacePathEntries(prev, oldPath, renamed.path, node.type === 'folder'))
+        updateExpandedPaths((prev) => replacePathEntries(prev, oldPath, renamed.path, node.type === 'folder'))
+
+        await refreshTree()
       } catch (error) {
         logger.error('Failed to rename node:', error as Error)
       } finally {
@@ -518,7 +569,7 @@ const NotesPage: FC = () => {
         }, 500)
       }
     },
-    [activeFilePath, dispatch, findNodeById, sortType, t]
+    [activeFilePath, dispatch, notesTree, refreshTree, updateStarredPaths, updateExpandedPaths]
   )
 
   // 处理文件上传
@@ -535,7 +586,7 @@ const NotesPage: FC = () => {
           throw new Error('No folder path selected')
         }
 
-        const result = await uploadFiles(files, targetFolderPath)
+        const result = await uploadNotes(files, targetFolderPath)
 
         // 检查上传结果
         if (result.fileCount === 0) {
@@ -544,7 +595,8 @@ const NotesPage: FC = () => {
         }
 
         // 排序并显示成功信息
-        await sortAllLevels(sortType)
+        updateExpandedPaths((prev) => addUniquePath(prev, normalizePathValue(targetFolderPath)))
+        await refreshTree()
 
         const successMessage = t('notes.upload_success')
 
@@ -554,37 +606,141 @@ const NotesPage: FC = () => {
         window.toast.error(t('notes.upload_failed'))
       }
     },
-    [getTargetFolderPath, sortType, t]
+    [getTargetFolderPath, refreshTree, t, updateExpandedPaths]
   )
 
   // 处理节点移动
   const handleMoveNode = useCallback(
     async (sourceNodeId: string, targetNodeId: string, position: 'before' | 'after' | 'inside') => {
-      try {
-        const result = await moveNode(sourceNodeId, targetNodeId, position)
-        if (result.success && result.type !== 'manual_reorder') {
-          await sortAllLevels(sortType)
+      if (!notesPath) {
+        return
       }
+
+      try {
+        const sourceNode = findNode(notesTree, sourceNodeId)
+        const targetNode = findNode(notesTree, targetNodeId)
+
+        if (!sourceNode || !targetNode) {
+          return
+        }
+
+        if (position === 'inside' && targetNode.type !== 'folder') {
+          return
+        }
+
+        const rootPath = normalizePathValue(notesPath)
+        const sourceParentNode = findParent(notesTree, sourceNodeId)
+        const targetParentNode = position === 'inside' ? targetNode : findParent(notesTree, targetNodeId)
+
+        const sourceParentPath = sourceParentNode ? sourceParentNode.externalPath : rootPath
+        const targetParentPath =
+          position === 'inside' ? targetNode.externalPath : targetParentNode ? targetParentNode.externalPath : rootPath
+
+        const normalizedSourceParent = normalizePathValue(sourceParentPath)
+        const normalizedTargetParent = normalizePathValue(targetParentPath)
+
+        const isManualReorder = position !== 'inside' && normalizedSourceParent === normalizedTargetParent
+
+        if (isManualReorder) {
+          // For manual reordering within the same parent, we can optimize by only updating the affected parent
+          setNotesTree((prev) =>
+            reorderTreeNodes(prev, sourceNodeId, targetNodeId, position === 'before' ? 'before' : 'after')
+          )
+          return
+        }
+
+        const { safeName } = await window.api.file.checkFileName(
+          normalizedTargetParent,
+          sourceNode.name,
+          sourceNode.type === 'file'
+        )
+
+        const destinationPath =
+          sourceNode.type === 'file'
+            ? `${normalizedTargetParent}/${safeName}.md`
+            : `${normalizedTargetParent}/${safeName}`
+
+        if (destinationPath === sourceNode.externalPath) {
+          return
+        }
+
+        if (sourceNode.type === 'file') {
+          await window.api.file.move(sourceNode.externalPath, destinationPath)
+        } else {
+          await window.api.file.moveDir(sourceNode.externalPath, destinationPath)
+        }
+
+        updateStarredPaths((prev) =>
+          replacePathEntries(prev, sourceNode.externalPath, destinationPath, sourceNode.type === 'folder')
+        )
+        updateExpandedPaths((prev) => {
+          let next = replacePathEntries(prev, sourceNode.externalPath, destinationPath, sourceNode.type === 'folder')
+          next = addUniquePath(next, normalizedTargetParent)
+          return next
+        })
+
+        const normalizedActivePath = activeFilePath ? normalizePathValue(activeFilePath) : undefined
+        if (normalizedActivePath) {
+          if (normalizedActivePath === sourceNode.externalPath) {
+            dispatch(setActiveFilePath(destinationPath))
+          } else if (sourceNode.type === 'folder' && normalizedActivePath.startsWith(`${sourceNode.externalPath}/`)) {
+            const suffix = normalizedActivePath.slice(sourceNode.externalPath.length)
+            dispatch(setActiveFilePath(`${destinationPath}${suffix}`))
+          }
+        }
+
+        await refreshTree()
       } catch (error) {
         logger.error('Failed to move nodes:', error as Error)
       }
     },
-    [sortType]
+    [activeFilePath, dispatch, notesPath, notesTree, refreshTree, updateStarredPaths, updateExpandedPaths]
   )
 
   // 处理节点排序
   const handleSortNodes = useCallback(
     async (newSortType: NotesSortType) => {
-      try {
-        // 更新Redux中的排序类型
       dispatch(setSortType(newSortType))
-        await sortAllLevels(newSortType)
-      } catch (error) {
-        logger.error('Failed to sort notes:', error as Error)
-        throw error
+      setNotesTree((prev) => mergeTreeState(sortTree(prev, newSortType)))
+    },
+    [dispatch, mergeTreeState]
+  )
+
+  const handleExpandPath = useCallback(
+    (treePath: string) => {
+      if (!treePath) {
+        return
+      }
+
+      const segments = treePath.split('/').filter(Boolean)
+      if (segments.length === 0) {
+        return
+      }
+
+      let nextTree = notesTree
+      const pathsToAdd: string[] = []
+
+      segments.forEach((_, index) => {
+        const currentPath = '/' + segments.slice(0, index + 1).join('/')
+        const node = findNodeByPath(nextTree, currentPath)
+        if (node && node.type === 'folder' && !node.expanded) {
+          pathsToAdd.push(node.externalPath)
+          nextTree = updateTreeNode(nextTree, node.id, (current) => ({ ...current, expanded: true }))
+        }
+      })
+
+      if (pathsToAdd.length > 0) {
+        setNotesTree(nextTree)
+        updateExpandedPaths((prev) => {
+          let updated = prev
+          pathsToAdd.forEach((path) => {
+            updated = addUniquePath(updated, path)
+          })
+          return updated
+        })
       }
     },
-    [dispatch]
+    [notesTree, updateExpandedPaths]
   )
 
   const getCurrentNoteContent = useCallback(() => {
@@ -631,12 +787,13 @@ const NotesPage: FC = () => {
             notesTree={notesTree}
             getCurrentNoteContent={getCurrentNoteContent}
             onToggleStar={handleToggleStar}
+            onExpandPath={handleExpandPath}
+            onRenameNode={handleRenameNode}
           />
           <NotesEditor
             activeNodeId={activeNode?.id}
             currentContent={currentContent}
             tokenCount={tokenCount}
-            isLoading={isContentLoading}
             onMarkdownChange={handleMarkdownChange}
             editorRef={editorRef}
           />

src/renderer/src/pages/notes/NotesSidebar.tsx

@@ -9,6 +9,7 @@ import NotesSidebarHeader from '@renderer/pages/notes/NotesSidebarHeader'
 import { useAppSelector } from '@renderer/store'
 import { selectSortType } from '@renderer/store/note'
 import { NotesSortType, NotesTreeNode } from '@renderer/types/note'
+import { useVirtualizer } from '@tanstack/react-virtual'
 import { Dropdown, Input, InputRef, MenuProps } from 'antd'
 import {
   ChevronDown,
@@ -22,7 +23,7 @@ import {
   Star,
   StarOff
 } from 'lucide-react'
-import { FC, Ref, useCallback, useEffect, useMemo, useRef, useState } from 'react'
+import { FC, memo, Ref, useCallback, useEffect, useMemo, useRef, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import styled from 'styled-components'
 
@@ -43,6 +44,157 @@ interface NotesSidebarProps {
 
 const logger = loggerService.withContext('NotesSidebar')
 
+interface TreeNodeProps {
+  node: NotesTreeNode
+  depth: number
+  selectedFolderId?: string | null
+  activeNodeId?: string
+  editingNodeId: string | null
+  draggedNodeId: string | null
+  dragOverNodeId: string | null
+  dragPosition: 'before' | 'inside' | 'after'
+  inPlaceEdit: any
+  getMenuItems: (node: NotesTreeNode) => any[]
+  onSelectNode: (node: NotesTreeNode) => void
+  onToggleExpanded: (nodeId: string) => void
+  onDragStart: (e: React.DragEvent, node: NotesTreeNode) => void
+  onDragOver: (e: React.DragEvent, node: NotesTreeNode) => void
+  onDragLeave: () => void
+  onDrop: (e: React.DragEvent, node: NotesTreeNode) => void
+  onDragEnd: () => void
+  renderChildren?: boolean // 控制是否渲染子节点
+}
+
+const TreeNode = memo<TreeNodeProps>(
+  ({
+    node,
+    depth,
+    selectedFolderId,
+    activeNodeId,
+    editingNodeId,
+    draggedNodeId,
+    dragOverNodeId,
+    dragPosition,
+    inPlaceEdit,
+    getMenuItems,
+    onSelectNode,
+    onToggleExpanded,
+    onDragStart,
+    onDragOver,
+    onDragLeave,
+    onDrop,
+    onDragEnd,
+    renderChildren = true
+  }) => {
+    const { t } = useTranslation()
+
+    const isActive = selectedFolderId
+      ? node.type === 'folder' && node.id === selectedFolderId
+      : node.id === activeNodeId
+    const isEditing = editingNodeId === node.id && inPlaceEdit.isEditing
+    const hasChildren = node.children && node.children.length > 0
+    const isDragging = draggedNodeId === node.id
+    const isDragOver = dragOverNodeId === node.id
+    const isDragBefore = isDragOver && dragPosition === 'before'
+    const isDragInside = isDragOver && dragPosition === 'inside'
+    const isDragAfter = isDragOver && dragPosition === 'after'
+
+    return (
+      <div key={node.id}>
+        <Dropdown menu={{ items: getMenuItems(node) }} trigger={['contextMenu']}>
+          <div>
+            <TreeNodeContainer
+              active={isActive}
+              depth={depth}
+              isDragging={isDragging}
+              isDragOver={isDragOver}
+              isDragBefore={isDragBefore}
+              isDragInside={isDragInside}
+              isDragAfter={isDragAfter}
+              draggable={!isEditing}
+              data-node-id={node.id}
+              onDragStart={(e) => onDragStart(e, node)}
+              onDragOver={(e) => onDragOver(e, node)}
+              onDragLeave={onDragLeave}
+              onDrop={(e) => onDrop(e, node)}
+              onDragEnd={onDragEnd}>
+              <TreeNodeContent onClick={() => onSelectNode(node)}>
+                <NodeIndent depth={depth} />
+
+                {node.type === 'folder' && (
+                  <ExpandIcon
+                    onClick={(e) => {
+                      e.stopPropagation()
+                      onToggleExpanded(node.id)
+                    }}
+                    title={node.expanded ? t('notes.collapse') : t('notes.expand')}>
+                    {node.expanded ? <ChevronDown size={14} /> : <ChevronRight size={14} />}
+                  </ExpandIcon>
+                )}
+
+                <NodeIcon>
+                  {node.type === 'folder' ? (
+                    node.expanded ? (
+                      <FolderOpen size={16} />
+                    ) : (
+                      <Folder size={16} />
+                    )
+                  ) : (
+                    <File size={16} />
+                  )}
+                </NodeIcon>
+
+                {isEditing ? (
+                  <EditInput
+                    ref={inPlaceEdit.inputRef as Ref<InputRef>}
+                    value={inPlaceEdit.editValue}
+                    onChange={inPlaceEdit.handleInputChange}
+                    onBlur={inPlaceEdit.saveEdit}
+                    onKeyDown={inPlaceEdit.handleKeyDown}
+                    onClick={(e) => e.stopPropagation()}
+                    autoFocus
+                    size="small"
+                  />
+                ) : (
+                  <NodeName>{node.name}</NodeName>
+                )}
+              </TreeNodeContent>
+            </TreeNodeContainer>
+          </div>
+        </Dropdown>
+
+        {renderChildren && node.type === 'folder' && node.expanded && hasChildren && (
+          <div>
+            {node.children!.map((child) => (
+              <TreeNode
+                key={child.id}
+                node={child}
+                depth={depth + 1}
+                selectedFolderId={selectedFolderId}
+                activeNodeId={activeNodeId}
+                editingNodeId={editingNodeId}
+                draggedNodeId={draggedNodeId}
+                dragOverNodeId={dragOverNodeId}
+                dragPosition={dragPosition}
+                inPlaceEdit={inPlaceEdit}
+                getMenuItems={getMenuItems}
+                onSelectNode={onSelectNode}
+                onToggleExpanded={onToggleExpanded}
+                onDragStart={onDragStart}
+                onDragOver={onDragOver}
+                onDragLeave={onDragLeave}
+                onDrop={onDrop}
+                onDragEnd={onDragEnd}
+                renderChildren={renderChildren}
+              />
+            ))}
+          </div>
+        )}
+      </div>
+    )
+  }
+)
+
 const NotesSidebar: FC<NotesSidebarProps> = ({
   onCreateFolder,
   onCreateNote,
@@ -268,9 +420,26 @@ const NotesSidebar: FC<NotesSidebarProps> = ({
     setIsShowSearch(!isShowSearch)
   }, [isShowSearch])
 
-  const filteredTree = useMemo(() => {
-    if (!isShowStarred && !isShowSearch) return notesTree
-    const flattenNodes = (nodes: NotesTreeNode[]): NotesTreeNode[] => {
+  // Flatten tree nodes for virtualization and filtering
+  const flattenedNodes = useMemo(() => {
+    const flattenForVirtualization = (
+      nodes: NotesTreeNode[],
+      depth: number = 0
+    ): Array<{ node: NotesTreeNode; depth: number }> => {
+      let result: Array<{ node: NotesTreeNode; depth: number }> = []
+
+      for (const node of nodes) {
+        result.push({ node, depth })
+
+        // Include children only if the folder is expanded
+        if (node.type === 'folder' && node.expanded && node.children && node.children.length > 0) {
+          result = [...result, ...flattenForVirtualization(node.children, depth + 1)]
+        }
+      }
+      return result
+    }
+
+    const flattenForFiltering = (nodes: NotesTreeNode[]): NotesTreeNode[] => {
       let result: NotesTreeNode[] = []
 
       for (const node of nodes) {
@@ -284,15 +453,41 @@ const NotesSidebar: FC<NotesSidebarProps> = ({
           }
         }
         if (node.children && node.children.length > 0) {
-          result = [...result, ...flattenNodes(node.children)]
+          result = [...result, ...flattenForFiltering(node.children)]
         }
       }
       return result
     }
 
-    return flattenNodes(notesTree)
+    if (isShowStarred || isShowSearch) {
+      // For filtered views, return flat list without virtualization for simplicity
+      const filteredNodes = flattenForFiltering(notesTree)
+      return filteredNodes.map((node) => ({ node, depth: 0 }))
+    }
+
+    // For normal tree view, use hierarchical flattening for virtualization
+    return flattenForVirtualization(notesTree)
   }, [notesTree, isShowStarred, isShowSearch, searchKeyword])
 
+  // Use virtualization only for normal tree view with many items
+  const shouldUseVirtualization = !isShowStarred && !isShowSearch && flattenedNodes.length > 100
+
+  const parentRef = useRef<HTMLDivElement>(null)
+
+  const virtualizer = useVirtualizer({
+    count: flattenedNodes.length,
+    getScrollElement: () => parentRef.current,
+    estimateSize: () => 28, // Estimated height of each tree item
+    overscan: 10
+  })
+
+  const filteredTree = useMemo(() => {
+    if (isShowStarred || isShowSearch) {
+      return flattenedNodes.map(({ node }) => node)
+    }
+    return notesTree
+  }, [flattenedNodes, isShowStarred, isShowSearch, notesTree])
+
   const getMenuItems = useCallback(
     (node: NotesTreeNode) => {
       const baseMenuItems: MenuProps['items'] = [
@@ -351,115 +546,6 @@ const NotesSidebar: FC<NotesSidebarProps> = ({
     [t, handleStartEdit, onToggleStar, handleExportKnowledge, handleDeleteNode]
   )
 
-  const renderTreeNode = useCallback(
-    (node: NotesTreeNode, depth: number = 0) => {
-      const isActive = selectedFolderId
-        ? node.type === 'folder' && node.id === selectedFolderId
-        : node.id === activeNode?.id
-      const isEditing = editingNodeId === node.id && inPlaceEdit.isEditing
-      const hasChildren = node.children && node.children.length > 0
-      const isDragging = draggedNodeId === node.id
-      const isDragOver = dragOverNodeId === node.id
-      const isDragBefore = isDragOver && dragPosition === 'before'
-      const isDragInside = isDragOver && dragPosition === 'inside'
-      const isDragAfter = isDragOver && dragPosition === 'after'
-
-      return (
-        <div key={node.id}>
-          <Dropdown menu={{ items: getMenuItems(node) }} trigger={['contextMenu']}>
-            <div>
-              <TreeNodeContainer
-                active={isActive}
-                depth={depth}
-                isDragging={isDragging}
-                isDragOver={isDragOver}
-                isDragBefore={isDragBefore}
-                isDragInside={isDragInside}
-                isDragAfter={isDragAfter}
-                draggable={!isEditing}
-                data-node-id={node.id}
-                onDragStart={(e) => handleDragStart(e, node)}
-                onDragOver={(e) => handleDragOver(e, node)}
-                onDragLeave={handleDragLeave}
-                onDrop={(e) => handleDrop(e, node)}
-                onDragEnd={handleDragEnd}>
-                <TreeNodeContent onClick={() => onSelectNode(node)}>
-                  <NodeIndent depth={depth} />
-
-                  {node.type === 'folder' && (
-                    <ExpandIcon
-                      onClick={(e) => {
-                        e.stopPropagation()
-                        onToggleExpanded(node.id)
-                      }}
-                      title={node.expanded ? t('notes.collapse') : t('notes.expand')}>
-                      {node.expanded ? <ChevronDown size={14} /> : <ChevronRight size={14} />}
-                    </ExpandIcon>
-                  )}
-
-                  <NodeIcon>
-                    {node.type === 'folder' ? (
-                      node.expanded ? (
-                        <FolderOpen size={16} />
-                      ) : (
-                        <Folder size={16} />
-                      )
-                    ) : (
-                      <File size={16} />
-                    )}
-                  </NodeIcon>
-
-                  {isEditing ? (
-                    <EditInput
-                      ref={inPlaceEdit.inputRef as Ref<InputRef>}
-                      value={inPlaceEdit.editValue}
-                      onChange={inPlaceEdit.handleInputChange}
-                      onPressEnter={inPlaceEdit.saveEdit}
-                      onBlur={inPlaceEdit.saveEdit}
-                      onKeyDown={inPlaceEdit.handleKeyDown}
-                      onClick={(e) => e.stopPropagation()}
-                      autoFocus
-                      size="small"
-                    />
-                  ) : (
-                    <NodeName>{node.name}</NodeName>
-                  )}
-                </TreeNodeContent>
-              </TreeNodeContainer>
-            </div>
-          </Dropdown>
-
-          {node.type === 'folder' && node.expanded && hasChildren && (
-            <div>{node.children!.map((child) => renderTreeNode(child, depth + 1))}</div>
-          )}
-        </div>
-      )
-    },
-    [
-      selectedFolderId,
-      activeNode?.id,
-      editingNodeId,
-      inPlaceEdit.isEditing,
-      inPlaceEdit.inputRef,
-      inPlaceEdit.editValue,
-      inPlaceEdit.handleInputChange,
-      inPlaceEdit.saveEdit,
-      inPlaceEdit.handleKeyDown,
-      draggedNodeId,
-      dragOverNodeId,
-      dragPosition,
-      getMenuItems,
-      handleDragLeave,
-      handleDragEnd,
-      t,
-      handleDragStart,
-      handleDragOver,
-      handleDrop,
-      onSelectNode,
-      onToggleExpanded
-    ]
-  )
-
   const handleDropFiles = useCallback(
     async (e: React.DragEvent) => {
       e.preventDefault()
@@ -565,9 +651,115 @@ const NotesSidebar: FC<NotesSidebarProps> = ({
       />
 
       <NotesTreeContainer>
+        {shouldUseVirtualization ? (
+          <VirtualizedTreeContainer ref={parentRef}>
+            <div
+              style={{
+                height: `${virtualizer.getTotalSize()}px`,
+                width: '100%',
+                position: 'relative'
+              }}>
+              {virtualizer.getVirtualItems().map((virtualItem) => {
+                const { node, depth } = flattenedNodes[virtualItem.index]
+                return (
+                  <div
+                    key={virtualItem.key}
+                    data-index={virtualItem.index}
+                    ref={virtualizer.measureElement}
+                    style={{
+                      position: 'absolute',
+                      top: 0,
+                      left: 0,
+                      width: '100%',
+                      transform: `translateY(${virtualItem.start}px)`
+                    }}>
+                    <div style={{ padding: '0 8px' }}>
+                      <TreeNode
+                        node={node}
+                        depth={depth}
+                        selectedFolderId={selectedFolderId}
+                        activeNodeId={activeNode?.id}
+                        editingNodeId={editingNodeId}
+                        draggedNodeId={draggedNodeId}
+                        dragOverNodeId={dragOverNodeId}
+                        dragPosition={dragPosition}
+                        inPlaceEdit={inPlaceEdit}
+                        getMenuItems={getMenuItems}
+                        onSelectNode={onSelectNode}
+                        onToggleExpanded={onToggleExpanded}
+                        onDragStart={handleDragStart}
+                        onDragOver={handleDragOver}
+                        onDragLeave={handleDragLeave}
+                        onDrop={handleDrop}
+                        onDragEnd={handleDragEnd}
+                        renderChildren={false}
+                      />
+                    </div>
+                  </div>
+                )
+              })}
+            </div>
+            {!isShowStarred && !isShowSearch && (
+              <DropHintNode>
+                <TreeNodeContainer active={false} depth={0}>
+                  <TreeNodeContent>
+                    <NodeIcon>
+                      <FilePlus size={16} />
+                    </NodeIcon>
+                    <DropHintText onClick={handleClickToSelectFiles}>{t('notes.drop_markdown_hint')}</DropHintText>
+                  </TreeNodeContent>
+                </TreeNodeContainer>
+              </DropHintNode>
+            )}
+          </VirtualizedTreeContainer>
+        ) : (
           <StyledScrollbar ref={scrollbarRef}>
             <TreeContent>
-            {filteredTree.map((node) => renderTreeNode(node))}
+              {isShowStarred || isShowSearch
+                ? filteredTree.map((node) => (
+                    <TreeNode
+                      key={node.id}
+                      node={node}
+                      depth={0}
+                      selectedFolderId={selectedFolderId}
+                      activeNodeId={activeNode?.id}
+                      editingNodeId={editingNodeId}
+                      draggedNodeId={draggedNodeId}
+                      dragOverNodeId={dragOverNodeId}
+                      dragPosition={dragPosition}
+                      inPlaceEdit={inPlaceEdit}
+                      getMenuItems={getMenuItems}
+                      onSelectNode={onSelectNode}
+                      onToggleExpanded={onToggleExpanded}
+                      onDragStart={handleDragStart}
+                      onDragOver={handleDragOver}
+                      onDragLeave={handleDragLeave}
+                      onDrop={handleDrop}
+                      onDragEnd={handleDragEnd}
+                    />
+                  ))
+                : notesTree.map((node) => (
+                    <TreeNode
+                      key={node.id}
+                      node={node}
+                      depth={0}
+                      selectedFolderId={selectedFolderId}
+                      activeNodeId={activeNode?.id}
+                      editingNodeId={editingNodeId}
+                      draggedNodeId={draggedNodeId}
+                      dragOverNodeId={dragOverNodeId}
+                      dragPosition={dragPosition}
+                      inPlaceEdit={inPlaceEdit}
+                      getMenuItems={getMenuItems}
+                      onSelectNode={onSelectNode}
+                      onToggleExpanded={onToggleExpanded}
+                      onDragStart={handleDragStart}
+                      onDragOver={handleDragOver}
+                      onDragLeave={handleDragLeave}
+                      onDrop={handleDrop}
+                      onDragEnd={handleDragEnd}
+                    />
+                  ))}
               {!isShowStarred && !isShowSearch && (
                 <DropHintNode>
                   <TreeNodeContainer active={false} depth={0}>
@@ -582,6 +774,7 @@ const NotesSidebar: FC<NotesSidebarProps> = ({
               )}
             </TreeContent>
           </StyledScrollbar>
+        )}
       </NotesTreeContainer>
 
       {isDragOverSidebar && <DragOverIndicator />}
@@ -592,7 +785,7 @@ const NotesSidebar: FC<NotesSidebarProps> = ({
 const SidebarContainer = styled.div`
   width: 250px;
   min-width: 250px;
-  height: 100vh;
+  height: calc(100vh - var(--navbar-height));
   background-color: var(--color-background);
   border-right: 0.5px solid var(--color-border);
   border-top-left-radius: 10px;
@@ -606,7 +799,15 @@ const NotesTreeContainer = styled.div`
   overflow: hidden;
   display: flex;
   flex-direction: column;
-  height: calc(100vh - 45px);
+  height: calc(100vh - var(--navbar-height) - 45px);
+`
+
+const VirtualizedTreeContainer = styled.div`
+  flex: 1;
+  height: 100%;
+  overflow: auto;
+  position: relative;
+  padding-top: 10px;
 `
 
 const StyledScrollbar = styled(Scrollbar)`
@@ -752,7 +953,8 @@ const DragOverIndicator = styled.div`
 `
 
 const DropHintNode = styled.div`
-  margin-top: 8px;
+  margin: 8px;
+  margin-bottom: 20px;
 
   ${TreeNodeContainer} {
     background-color: transparent;
@@ -773,4 +975,4 @@ const DropHintText = styled.div`
   font-style: italic;
 `
 
-export default NotesSidebar
+export default memo(NotesSidebar)

src/renderer/src/pages/settings/NotesSettings.tsx

@@ -2,7 +2,6 @@ import { loggerService } from '@logger'
 import Selector from '@renderer/components/Selector'
 import { useTheme } from '@renderer/context/ThemeProvider'
 import { useNotesSettings } from '@renderer/hooks/useNotesSettings'
-import { initWorkSpace } from '@renderer/services/NotesService'
 import { EditorView } from '@renderer/types'
 import { Button, Input, message, Slider, Switch } from 'antd'
 import { FolderOpen } from 'lucide-react'
@@ -70,7 +69,6 @@ const NotesSettings: FC = () => {
       }
 
       updateNotesPath(tempPath)
-      initWorkSpace(tempPath, 'sort_a2z')
       window.toast.success(t('notes.settings.data.path_updated'))
     } catch (error) {
       logger.error('Failed to apply notes path:', error as Error)
@@ -83,7 +81,6 @@ const NotesSettings: FC = () => {
       const info = await window.api.getAppInfo()
       setTempPath(info.notesPath)
       updateNotesPath(info.notesPath)
-      initWorkSpace(info.notesPath, 'sort_a2z')
       window.toast.success(t('notes.settings.data.reset_to_default'))
     } catch (error) {
       logger.error('Failed to reset to default:', error as Error)

src/renderer/src/pages/settings/QuickAssistantSettings.tsx

@@ -11,9 +11,10 @@ import {
   setEnableQuickAssistant,
   setReadClipboardAtStartup
 } from '@renderer/store/settings'
+import { matchKeywordsInString } from '@renderer/utils'
 import HomeWindow from '@renderer/windows/mini/home/HomeWindow'
 import { Button, Select, Switch, Tooltip } from 'antd'
-import { FC } from 'react'
+import { FC, useMemo } from 'react'
 import { useTranslation } from 'react-i18next'
 import styled from 'styled-components'
 
@@ -26,9 +27,15 @@ const QuickAssistantSettings: FC = () => {
   const dispatch = useAppDispatch()
   const { assistants } = useAssistants()
   const { quickAssistantId } = useAppSelector((state) => state.llm)
-  const { defaultAssistant } = useDefaultAssistant()
+  const { defaultAssistant: _defaultAssistant } = useDefaultAssistant()
   const { defaultModel } = useDefaultModel()
 
+  // Take the "default assistant" from the assistant list first.
+  const defaultAssistant = useMemo(
+    () => assistants.find((a) => a.id === _defaultAssistant.id) || _defaultAssistant,
+    [assistants, _defaultAssistant]
+  )
+
   const handleEnableQuickAssistant = async (enable: boolean) => {
     dispatch(setEnableQuickAssistant(enable))
     await window.api.config.set('enableQuickAssistant', enable, true)
@@ -110,27 +117,39 @@ const QuickAssistantSettings: FC = () => {
                     value={quickAssistantId || defaultAssistant.id}
                     style={{ width: 300, height: 34 }}
                     onChange={(value) => dispatch(setQuickAssistantId(value))}
-                    placeholder={t('settings.models.quick_assistant_selection')}>
-                    <Select.Option key={defaultAssistant.id} value={defaultAssistant.id}>
+                    placeholder={t('settings.models.quick_assistant_selection')}
+                    showSearch
+                    options={[
+                      {
+                        key: defaultAssistant.id,
+                        value: defaultAssistant.id,
+                        title: defaultAssistant.name,
+                        label: (
                           <AssistantItem>
                             <ModelAvatar model={defaultAssistant.model || defaultModel} size={18} />
                             <AssistantName>{defaultAssistant.name}</AssistantName>
                             <Spacer />
                             <DefaultTag isCurrent={true}>{t('settings.models.quick_assistant_default_tag')}</DefaultTag>
                           </AssistantItem>
-                    </Select.Option>
-                    {assistants
+                        )
+                      },
+                      ...assistants
                         .filter((a) => a.id !== defaultAssistant.id)
-                      .map((a) => (
-                        <Select.Option key={a.id} value={a.id}>
+                        .map((a) => ({
+                          key: a.id,
+                          value: a.id,
+                          title: a.name,
+                          label: (
                             <AssistantItem>
                               <ModelAvatar model={a.model || defaultModel} size={18} />
                               <AssistantName>{a.name}</AssistantName>
                               <Spacer />
                             </AssistantItem>
-                        </Select.Option>
-                      ))}
-                  </Select>
+                          )
+                        }))
+                    ]}
+                    filterOption={(input, option) => matchKeywordsInString(input, option?.title || '')}
+                  />
                 </HStack>
               )}
               <HStack alignItems="center" gap={0}>

src/renderer/src/services/NotesService.ts

@@ -1,100 +1,10 @@
 import { loggerService } from '@logger'
-import db from '@renderer/databases'
-import {
-  findNodeInTree,
-  findParentNode,
-  getNotesTree,
-  insertNodeIntoTree,
-  isParentNode,
-  moveNodeInTree,
-  removeNodeFromTree,
-  renameNodeFromTree
-} from '@renderer/services/NotesTreeService'
 import { NotesSortType, NotesTreeNode } from '@renderer/types/note'
 import { getFileDirectory } from '@renderer/utils'
-import { v4 as uuidv4 } from 'uuid'
-
-const MARKDOWN_EXT = '.md'
-const NOTES_TREE_ID = 'notes-tree-structure'
 
 const logger = loggerService.withContext('NotesService')
 
-export type MoveNodeResult = { success: false } | { success: true; type: 'file_system_move' | 'manual_reorder' }
-
-/**
- * 初始化/同步笔记树结构
- */
-export async function initWorkSpace(folderPath: string, sortType: NotesSortType): Promise<void> {
-  const tree = await window.api.file.getDirectoryStructure(folderPath)
-  await sortAllLevels(sortType, tree)
-}
-
-/**
- * 创建新文件夹
- */
-export async function createFolder(name: string, folderPath: string): Promise<NotesTreeNode> {
-  const { safeName, exists } = await window.api.file.checkFileName(folderPath, name, false)
-  if (exists) {
-    logger.warn(`Folder already exists: ${safeName}`)
-  }
-
-  const tree = await getNotesTree()
-  const folderId = uuidv4()
-
-  const targetPath = await window.api.file.mkdir(`${folderPath}/${safeName}`)
-
-  // 查找父节点ID
-  const parentNode = tree.find((node) => node.externalPath === folderPath) || findNodeByExternalPath(tree, folderPath)
-
-  const folder: NotesTreeNode = {
-    id: folderId,
-    name: safeName,
-    treePath: parentNode ? `${parentNode.treePath}/${safeName}` : `/${safeName}`,
-    externalPath: targetPath,
-    type: 'folder',
-    children: [],
-    expanded: true,
-    createdAt: new Date().toISOString(),
-    updatedAt: new Date().toISOString()
-  }
-
-  insertNodeIntoTree(tree, folder, parentNode?.id)
-
-  return folder
-}
-
-/**
- * 创建新笔记文件
- */
-export async function createNote(name: string, content: string = '', folderPath: string): Promise<NotesTreeNode> {
-  const { safeName, exists } = await window.api.file.checkFileName(folderPath, name, true)
-  if (exists) {
-    logger.warn(`Note already exists: ${safeName}`)
-  }
-
-  const tree = await getNotesTree()
-  const noteId = uuidv4()
-  const notePath = `${folderPath}/${safeName}${MARKDOWN_EXT}`
-
-  await window.api.file.write(notePath, content)
-
-  // 查找父节点ID
-  const parentNode = tree.find((node) => node.externalPath === folderPath) || findNodeByExternalPath(tree, folderPath)
-
-  const note: NotesTreeNode = {
-    id: noteId,
-    name: safeName,
-    treePath: parentNode ? `${parentNode.treePath}/${safeName}` : `/${safeName}`,
-    externalPath: notePath,
-    type: 'file',
-    createdAt: new Date().toISOString(),
-    updatedAt: new Date().toISOString()
-  }
-
-  insertNodeIntoTree(tree, note, parentNode?.id)
-
-  return note
-}
+const MARKDOWN_EXT = '.md'
 
 export interface UploadResult {
   uploadedNodes: NotesTreeNode[]
@@ -104,641 +14,195 @@ export interface UploadResult {
   folderCount: number
 }
 
-/**
- * 上传文件或文件夹，支持单个或批量上传，保持文件夹结构
- */
-export async function uploadFiles(files: File[], targetFolderPath: string): Promise<UploadResult> {
-  const tree = await getNotesTree()
-  const uploadedNodes: NotesTreeNode[] = []
-  let skippedFiles = 0
-
-  const markdownFiles = filterMarkdownFiles(files)
-  skippedFiles = files.length - markdownFiles.length
-
-  if (markdownFiles.length === 0) {
-    return createEmptyUploadResult(files.length, skippedFiles)
-  }
-
-  // 处理重复的根文件夹名称
-  const processedFiles = await processDuplicateRootFolders(markdownFiles, targetFolderPath)
-
-  const { filesByPath, foldersToCreate } = groupFilesByPath(processedFiles, targetFolderPath)
-
-  const createdFolders = await createFoldersSequentially(foldersToCreate, targetFolderPath, tree, uploadedNodes)
-
-  await uploadAllFiles(filesByPath, targetFolderPath, tree, createdFolders, uploadedNodes)
-
-  const fileCount = uploadedNodes.filter((node) => node.type === 'file').length
-  const folderCount = uploadedNodes.filter((node) => node.type === 'folder').length
-
-  return {
-    uploadedNodes,
-    totalFiles: files.length,
-    skippedFiles,
-    fileCount,
-    folderCount
-  }
+export async function loadTree(rootPath: string): Promise<NotesTreeNode[]> {
+  return window.api.file.getDirectoryStructure(normalizePath(rootPath))
 }
 
-/**
- * 删除笔记或文件夹
- */
-export async function deleteNode(nodeId: string): Promise<void> {
-  const tree = await getNotesTree()
-  const node = findNodeInTree(tree, nodeId)
-  if (!node) {
-    throw new Error('Node not found')
+export function sortTree(nodes: NotesTreeNode[], sortType: NotesSortType): NotesTreeNode[] {
+  const cloned = nodes.map((node) => ({
+    ...node,
+    children: node.children ? sortTree(node.children, sortType) : undefined
+  }))
+
+  const sorter = getSorter(sortType)
+
+  cloned.sort((a, b) => {
+    if (a.type === b.type) {
+      return sorter(a, b)
     }
+    return a.type === 'folder' ? -1 : 1
+  })
+
+  return cloned
+}
+
+export async function addDir(name: string, parentPath: string): Promise<{ path: string; name: string }> {
+  const basePath = normalizePath(parentPath)
+  const { safeName } = await window.api.file.checkFileName(basePath, name, false)
+  const fullPath = `${basePath}/${safeName}`
+  await window.api.file.mkdir(fullPath)
+  return { path: fullPath, name: safeName }
+}
+
+export async function addNote(
+  name: string,
+  content: string = '',
+  parentPath: string
+): Promise<{ path: string; name: string }> {
+  const basePath = normalizePath(parentPath)
+  const { safeName } = await window.api.file.checkFileName(basePath, name, true)
+  const notePath = `${basePath}/${safeName}${MARKDOWN_EXT}`
+  await window.api.file.write(notePath, content)
+  return { path: notePath, name: safeName }
+}
+
+export async function delNode(node: NotesTreeNode): Promise<void> {
   if (node.type === 'folder') {
     await window.api.file.deleteExternalDir(node.externalPath)
-  } else if (node.type === 'file') {
+  } else {
     await window.api.file.deleteExternalFile(node.externalPath)
   }
-
-  await removeNodeFromTree(tree, nodeId)
 }
 
-/**
- * 重命名笔记或文件夹
- */
-export async function renameNode(nodeId: string, newName: string): Promise<NotesTreeNode> {
-  const tree = await getNotesTree()
-  const node = findNodeInTree(tree, nodeId)
-  if (!node) {
-    throw new Error('Node not found')
-  }
-
-  const dirPath = getFileDirectory(node.externalPath)
-  const { safeName, exists } = await window.api.file.checkFileName(dirPath, newName, node.type === 'file')
+export async function renameNode(node: NotesTreeNode, newName: string): Promise<{ path: string; name: string }> {
+  const isFile = node.type === 'file'
+  const parentDir = normalizePath(getFileDirectory(node.externalPath))
+  const { safeName, exists } = await window.api.file.checkFileName(parentDir, newName, isFile)
 
   if (exists) {
-    logger.warn(`Target name already exists: ${safeName}`)
     throw new Error(`Target name already exists: ${safeName}`)
   }
 
-  if (node.type === 'file') {
+  if (isFile) {
     await window.api.file.rename(node.externalPath, safeName)
-  } else if (node.type === 'folder') {
+    return { path: `${parentDir}/${safeName}${MARKDOWN_EXT}`, name: safeName }
+  }
+
   await window.api.file.renameDir(node.externalPath, safeName)
-  }
-  return renameNodeFromTree(tree, nodeId, safeName)
+  return { path: `${parentDir}/${safeName}`, name: safeName }
 }
 
-/**
- * 移动节点
- */
-export async function moveNode(
-  sourceNodeId: string,
-  targetNodeId: string,
-  position: 'before' | 'after' | 'inside'
-): Promise<MoveNodeResult> {
+export async function uploadNotes(files: File[], targetPath: string): Promise<UploadResult> {
+  const basePath = normalizePath(targetPath)
+  const markdownFiles = filterMarkdown(files)
+  const skippedFiles = files.length - markdownFiles.length
+
+  if (markdownFiles.length === 0) {
+    return {
+      uploadedNodes: [],
+      totalFiles: files.length,
+      skippedFiles,
+      fileCount: 0,
+      folderCount: 0
+    }
+  }
+
+  const folders = collectFolders(markdownFiles, basePath)
+  await createFolders(folders)
+
+  let fileCount = 0
+
+  for (const file of markdownFiles) {
+    const { dir, name } = resolveFileTarget(file, basePath)
+    const { safeName } = await window.api.file.checkFileName(dir, name, true)
+    const finalPath = `${dir}/${safeName}${MARKDOWN_EXT}`
+
     try {
-    const tree = await getNotesTree()
-
-    // 找到源节点和目标节点
-    const sourceNode = findNodeInTree(tree, sourceNodeId)
-    const targetNode = findNodeInTree(tree, targetNodeId)
-
-    if (!sourceNode || !targetNode) {
-      logger.error(`Move nodes failed: node not found (source: ${sourceNodeId}, target: ${targetNodeId})`)
-      return { success: false }
-    }
-
-    // 不允许文件夹被放入文件中
-    if (position === 'inside' && targetNode.type === 'file' && sourceNode.type === 'folder') {
-      logger.error('Move nodes failed: cannot move a folder inside a file')
-      return { success: false }
-    }
-
-    // 不允许将节点移动到自身内部
-    if (position === 'inside' && isParentNode(tree, sourceNodeId, targetNodeId)) {
-      logger.error('Move nodes failed: cannot move a node inside itself or its descendants')
-      return { success: false }
-    }
-
-    let targetPath: string = ''
-
-    if (position === 'inside') {
-      // 目标是文件夹内部
-      if (targetNode.type === 'folder') {
-        targetPath = targetNode.externalPath
-      } else {
-        logger.error('Cannot move node inside a file node')
-        return { success: false }
-      }
-    } else {
-      const targetParent = findParentNode(tree, targetNodeId)
-      if (targetParent) {
-        targetPath = targetParent.externalPath
-      } else {
-        targetPath = getFileDirectory(targetNode.externalPath!)
-      }
-    }
-
-    // 检查是否为同级拖动排序
-    const sourceParent = findParentNode(tree, sourceNodeId)
-    const sourceDir = sourceParent ? sourceParent.externalPath : getFileDirectory(sourceNode.externalPath!)
-
-    const isSameLevelReorder = position !== 'inside' && sourceDir === targetPath
-
-    if (isSameLevelReorder) {
-      // 同级拖动排序：跳过文件系统操作，只更新树结构
-      logger.debug(`Same level reorder detected, skipping file system operations`)
-      const success = await moveNodeInTree(tree, sourceNodeId, targetNodeId, position)
-      // 返回一个特殊标识，告诉调用方这是手动排序，不需要重新自动排序
-      return success ? { success: true, type: 'manual_reorder' } : { success: false }
-    }
-
-    // 构建新的文件路径
-    const sourceName = sourceNode.externalPath!.split('/').pop()!
-    const sourceNameWithoutExt = sourceName.replace(sourceNode.type === 'file' ? MARKDOWN_EXT : '', '')
-
-    const { safeName } = await window.api.file.checkFileName(
-      targetPath,
-      sourceNameWithoutExt,
-      sourceNode.type === 'file'
-    )
-
-    const baseName = safeName + (sourceNode.type === 'file' ? MARKDOWN_EXT : '')
-    const newPath = `${targetPath}/${baseName}`
-
-    if (sourceNode.externalPath !== newPath) {
-      try {
-        if (sourceNode.type === 'folder') {
-          await window.api.file.moveDir(sourceNode.externalPath, newPath)
-        } else {
-          await window.api.file.move(sourceNode.externalPath, newPath)
-        }
-        sourceNode.externalPath = newPath
-        logger.debug(`Moved external ${sourceNode.type} to: ${newPath}`)
+      const content = await file.text()
+      await window.api.file.write(finalPath, content)
+      fileCount += 1
     } catch (error) {
-        logger.error(`Failed to move external ${sourceNode.type}:`, error as Error)
-        return { success: false }
+      logger.error('Failed to write uploaded file:', error as Error)
     }
   }
 
-    const success = await moveNodeInTree(tree, sourceNodeId, targetNodeId, position)
-    return success ? { success: true, type: 'file_system_move' } : { success: false }
-  } catch (error) {
-    logger.error('Move nodes failed:', error as Error)
-    return { success: false }
+  return {
+    uploadedNodes: [],
+    totalFiles: files.length,
+    skippedFiles,
+    fileCount,
+    folderCount: folders.size
   }
 }
 
-/**
- * 对节点数组进行排序
- */
-function sortNodesArray(nodes: NotesTreeNode[], sortType: NotesSortType): void {
-  // 首先分离文件夹和文件
-  const folders: NotesTreeNode[] = nodes.filter((node) => node.type === 'folder')
-  const files: NotesTreeNode[] = nodes.filter((node) => node.type === 'file')
-
-  // 根据排序类型对文件夹和文件分别进行排序
-  const sortFunction = getSortFunction(sortType)
-  folders.sort(sortFunction)
-  files.sort(sortFunction)
-
-  // 清空原数组并重新填入排序后的节点
-  nodes.length = 0
-  nodes.push(...folders, ...files)
-}
-
-/**
- * 根据排序类型获取相应的排序函数
- */
-function getSortFunction(sortType: NotesSortType): (a: NotesTreeNode, b: NotesTreeNode) => number {
+function getSorter(sortType: NotesSortType): (a: NotesTreeNode, b: NotesTreeNode) => number {
   switch (sortType) {
     case 'sort_a2z':
       return (a, b) => a.name.localeCompare(b.name, undefined, { sensitivity: 'accent' })
-
     case 'sort_z2a':
       return (a, b) => b.name.localeCompare(a.name, undefined, { sensitivity: 'accent' })
-
     case 'sort_updated_desc':
-      return (a, b) => {
-        const timeA = a.updatedAt ? new Date(a.updatedAt).getTime() : 0
-        const timeB = b.updatedAt ? new Date(b.updatedAt).getTime() : 0
-        return timeB - timeA
-      }
-
+      return (a, b) => getTime(b.updatedAt) - getTime(a.updatedAt)
     case 'sort_updated_asc':
-      return (a, b) => {
-        const timeA = a.updatedAt ? new Date(a.updatedAt).getTime() : 0
-        const timeB = b.updatedAt ? new Date(b.updatedAt).getTime() : 0
-        return timeA - timeB
-      }
-
+      return (a, b) => getTime(a.updatedAt) - getTime(b.updatedAt)
     case 'sort_created_desc':
-      return (a, b) => {
-        const timeA = a.createdAt ? new Date(a.createdAt).getTime() : 0
-        const timeB = b.createdAt ? new Date(b.createdAt).getTime() : 0
-        return timeB - timeA
-      }
-
+      return (a, b) => getTime(b.createdAt) - getTime(a.createdAt)
     case 'sort_created_asc':
-      return (a, b) => {
-        const timeA = a.createdAt ? new Date(a.createdAt).getTime() : 0
-        const timeB = b.createdAt ? new Date(b.createdAt).getTime() : 0
-        return timeA - timeB
-      }
-
+      return (a, b) => getTime(a.createdAt) - getTime(b.createdAt)
     default:
       return (a, b) => a.name.localeCompare(b.name)
   }
 }
 
-/**
- * 递归排序笔记树中的所有层级
- */
-export async function sortAllLevels(sortType: NotesSortType, tree?: NotesTreeNode[]): Promise<void> {
+function getTime(value?: string): number {
+  return value ? new Date(value).getTime() : 0
+}
+
+function normalizePath(value: string): string {
+  return value.replace(/\\/g, '/')
+}
+
+function filterMarkdown(files: File[]): File[] {
+  return files.filter((file) => file.name.toLowerCase().endsWith(MARKDOWN_EXT))
+}
+
+function collectFolders(files: File[], basePath: string): Set<string> {
+  const folders = new Set<string>()
+
+  files.forEach((file) => {
+    const relativePath = file.webkitRelativePath || ''
+    if (!relativePath.includes('/')) {
+      return
+    }
+
+    const parts = relativePath.split('/')
+    parts.pop()
+
+    let current = basePath
+    for (const part of parts) {
+      current = `${current}/${part}`
+      folders.add(current)
+    }
+  })
+
+  return folders
+}
+
+async function createFolders(folders: Set<string>): Promise<void> {
+  const ordered = Array.from(folders).sort((a, b) => a.length - b.length)
+
+  for (const folder of ordered) {
     try {
-    if (!tree) {
-      tree = await getNotesTree()
-    }
-    sortNodesArray(tree, sortType)
-    recursiveSortNodes(tree, sortType)
-    await db.notes_tree.put({ id: NOTES_TREE_ID, tree })
-    logger.info(`Sorted all levels of notes successfully: ${sortType}`)
+      await window.api.file.mkdir(folder)
     } catch (error) {
-    logger.error('Failed to sort all levels of notes:', error as Error)
-    throw error
-  }
-}
-
-/**
- * 递归对节点中的子节点进行排序
- */
-function recursiveSortNodes(nodes: NotesTreeNode[], sortType: NotesSortType): void {
-  for (const node of nodes) {
-    if (node.type === 'folder' && node.children && node.children.length > 0) {
-      sortNodesArray(node.children, sortType)
-      recursiveSortNodes(node.children, sortType)
-    }
-  }
-}
-
-/**
- * 根据外部路径查找节点（递归查找）
- */
-function findNodeByExternalPath(nodes: NotesTreeNode[], externalPath: string): NotesTreeNode | null {
-  for (const node of nodes) {
-    if (node.externalPath === externalPath) {
-      return node
-    }
-    if (node.children && node.children.length > 0) {
-      const found = findNodeByExternalPath(node.children, externalPath)
-      if (found) {
-        return found
-      }
-    }
-  }
-  return null
-}
-
-/**
- * 过滤出 Markdown 文件
- */
-function filterMarkdownFiles(files: File[]): File[] {
-  return Array.from(files).filter((file) => {
-    if (file.name.toLowerCase().endsWith(MARKDOWN_EXT)) {
-      return true
-    }
-    logger.warn(`Skipping non-markdown file: ${file.name}`)
-    return false
+      logger.debug('Skip existing folder while uploading notes', {
+        folder,
+        error: (error as Error).message
       })
-}
-
-/**
- * 创建空的上传结果
- */
-function createEmptyUploadResult(totalFiles: number, skippedFiles: number): UploadResult {
-  return {
-    uploadedNodes: [],
-    totalFiles,
-    skippedFiles,
-    fileCount: 0,
-    folderCount: 0
+    }
   }
 }
 
-/**
- * 处理重复的根文件夹名称，为重复的文件夹重写 webkitRelativePath
- */
-async function processDuplicateRootFolders(markdownFiles: File[], targetFolderPath: string): Promise<File[]> {
-  // 按根文件夹名称分组文件
-  const filesByRootFolder = new Map<string, File[]>()
-  const processedFiles: File[] = []
-
-  for (const file of markdownFiles) {
-    const filePath = file.webkitRelativePath || file.name
-
-    if (filePath.includes('/')) {
-      const rootFolderName = filePath.substring(0, filePath.indexOf('/'))
-      if (!filesByRootFolder.has(rootFolderName)) {
-        filesByRootFolder.set(rootFolderName, [])
-      }
-      filesByRootFolder.get(rootFolderName)!.push(file)
-    } else {
-      // 单个文件，直接添加
-      processedFiles.push(file)
-    }
+function resolveFileTarget(file: File, basePath: string): { dir: string; name: string } {
+  if (!file.webkitRelativePath || !file.webkitRelativePath.includes('/')) {
+    const nameWithoutExt = file.name.endsWith(MARKDOWN_EXT) ? file.name.slice(0, -MARKDOWN_EXT.length) : file.name
+    return { dir: basePath, name: nameWithoutExt }
   }
 
-  // 为每个根文件夹组生成唯一的文件夹名称
-  for (const [rootFolderName, files] of filesByRootFolder.entries()) {
-    const { safeName } = await window.api.file.checkFileName(targetFolderPath, rootFolderName, false)
+  const parts = file.webkitRelativePath.split('/')
+  const fileName = parts.pop() || file.name
+  const dirPath = `${basePath}/${parts.join('/')}`
+  const nameWithoutExt = fileName.endsWith(MARKDOWN_EXT) ? fileName.slice(0, -MARKDOWN_EXT.length) : fileName
 
-    for (const file of files) {
-      // 创建一个新的 File 对象，并修改 webkitRelativePath
-      const originalPath = file.webkitRelativePath || file.name
-      const relativePath = originalPath.substring(originalPath.indexOf('/') + 1)
-      const newPath = `${safeName}/${relativePath}`
-
-      const newFile = new File([file], file.name, {
-        type: file.type,
-        lastModified: file.lastModified
-      })
-
-      Object.defineProperty(newFile, 'webkitRelativePath', {
-        value: newPath,
-        writable: false
-      })
-
-      processedFiles.push(newFile)
-    }
-  }
-
-  return processedFiles
-}
-
-/**
- * 按路径分组文件并收集需要创建的文件夹
- */
-function groupFilesByPath(
-  markdownFiles: File[],
-  targetFolderPath: string
-): { filesByPath: Map<string, File[]>; foldersToCreate: Set<string> } {
-  const filesByPath = new Map<string, File[]>()
-  const foldersToCreate = new Set<string>()
-
-  for (const file of markdownFiles) {
-    const filePath = file.webkitRelativePath || file.name
-    const relativeDirPath = filePath.includes('/') ? filePath.substring(0, filePath.lastIndexOf('/')) : ''
-    const fullDirPath = relativeDirPath ? `${targetFolderPath}/${relativeDirPath}` : targetFolderPath
-
-    if (relativeDirPath) {
-      const pathParts = relativeDirPath.split('/')
-
-      let currentPath = targetFolderPath
-      for (const part of pathParts) {
-        currentPath = `${currentPath}/${part}`
-        foldersToCreate.add(currentPath)
-      }
-    }
-
-    if (!filesByPath.has(fullDirPath)) {
-      filesByPath.set(fullDirPath, [])
-    }
-    filesByPath.get(fullDirPath)!.push(file)
-  }
-
-  return { filesByPath, foldersToCreate }
-}
-
-/**
- * 顺序创建文件夹（避免竞争条件）
- */
-async function createFoldersSequentially(
-  foldersToCreate: Set<string>,
-  targetFolderPath: string,
-  tree: NotesTreeNode[],
-  uploadedNodes: NotesTreeNode[]
-): Promise<Map<string, NotesTreeNode>> {
-  const createdFolders = new Map<string, NotesTreeNode>()
-  const sortedFolders = Array.from(foldersToCreate).sort()
-  const folderCreationLock = new Set<string>()
-
-  for (const folderPath of sortedFolders) {
-    if (folderCreationLock.has(folderPath)) {
-      continue
-    }
-    folderCreationLock.add(folderPath)
-
-    try {
-      const result = await createSingleFolder(folderPath, targetFolderPath, tree, createdFolders)
-      if (result) {
-        createdFolders.set(folderPath, result)
-        if (result.externalPath !== folderPath) {
-          createdFolders.set(result.externalPath, result)
-        }
-        uploadedNodes.push(result)
-        logger.debug(`Created folder: ${folderPath} -> ${result.externalPath}`)
-      }
-    } catch (error) {
-      logger.error(`Failed to create folder ${folderPath}:`, error as Error)
-    } finally {
-      folderCreationLock.delete(folderPath)
-    }
-  }
-
-  return createdFolders
-}
-
-/**
- * 创建单个文件夹
- */
-async function createSingleFolder(
-  folderPath: string,
-  targetFolderPath: string,
-  tree: NotesTreeNode[],
-  createdFolders: Map<string, NotesTreeNode>
-): Promise<NotesTreeNode | null> {
-  const existingNode = findNodeByExternalPath(tree, folderPath)
-  if (existingNode) {
-    return existingNode
-  }
-
-  const relativePath = folderPath.replace(targetFolderPath + '/', '')
-  const originalFolderName = relativePath.split('/').pop()!
-  const parentFolderPath = folderPath.substring(0, folderPath.lastIndexOf('/'))
-
-  const { safeName: safeFolderName, exists } = await window.api.file.checkFileName(
-    parentFolderPath,
-    originalFolderName,
-    false
-  )
-
-  const actualFolderPath = `${parentFolderPath}/${safeFolderName}`
-
-  if (exists) {
-    logger.warn(`Folder already exists, creating with new name: ${originalFolderName} -> ${safeFolderName}`)
-  }
-
-  try {
-    await window.api.file.mkdir(actualFolderPath)
-  } catch (error) {
-    logger.debug(`Error creating folder: ${actualFolderPath}`, error as Error)
-  }
-
-  let parentNode: NotesTreeNode | null
-  if (parentFolderPath === targetFolderPath) {
-    parentNode =
-      tree.find((node) => node.externalPath === targetFolderPath) || findNodeByExternalPath(tree, targetFolderPath)
-  } else {
-    parentNode = createdFolders.get(parentFolderPath) || null
-    if (!parentNode) {
-      parentNode = tree.find((node) => node.externalPath === parentFolderPath) || null
-      if (!parentNode) {
-        parentNode = findNodeByExternalPath(tree, parentFolderPath)
-      }
-    }
-  }
-
-  const folderId = uuidv4()
-  const folder: NotesTreeNode = {
-    id: folderId,
-    name: safeFolderName,
-    treePath: parentNode ? `${parentNode.treePath}/${safeFolderName}` : `/${safeFolderName}`,
-    externalPath: actualFolderPath,
-    type: 'folder',
-    children: [],
-    expanded: true,
-    createdAt: new Date().toISOString(),
-    updatedAt: new Date().toISOString()
-  }
-
-  await insertNodeIntoTree(tree, folder, parentNode?.id)
-  return folder
-}
-
-/**
- * 读取文件内容（支持大文件处理）
- */
-async function readFileContent(file: File): Promise<string> {
-  const MAX_FILE_SIZE = 50 * 1024 * 1024 // 50MB
-
-  if (file.size > MAX_FILE_SIZE) {
-    logger.warn(
-      `Large file detected (${Math.round(file.size / 1024 / 1024)}MB): ${file.name}. Consider using streaming for better performance.`
-    )
-  }
-
-  try {
-    return await file.text()
-  } catch (error) {
-    logger.error(`Failed to read file content for ${file.name}:`, error as Error)
-    throw new Error(`Failed to read file content: ${file.name}`)
-  }
-}
-
-/**
- * 上传所有文件
- */
-async function uploadAllFiles(
-  filesByPath: Map<string, File[]>,
-  targetFolderPath: string,
-  tree: NotesTreeNode[],
-  createdFolders: Map<string, NotesTreeNode>,
-  uploadedNodes: NotesTreeNode[]
-): Promise<void> {
-  const uploadPromises: Promise<NotesTreeNode | null>[] = []
-
-  for (const [dirPath, dirFiles] of filesByPath.entries()) {
-    for (const file of dirFiles) {
-      const uploadPromise = uploadSingleFile(file, dirPath, targetFolderPath, tree, createdFolders)
-        .then((result) => {
-          if (result) {
-            logger.debug(`Uploaded file: ${result.externalPath}`)
-          }
-          return result
-        })
-        .catch((error) => {
-          logger.error(`Failed to upload file ${file.name}:`, error as Error)
-          return null
-        })
-
-      uploadPromises.push(uploadPromise)
-    }
-  }
-
-  const results = await Promise.all(uploadPromises)
-
-  results.forEach((result) => {
-    if (result) {
-      uploadedNodes.push(result)
-    }
-  })
-}
-
-/**
- * 上传单个文件，需要根据实际创建的文件夹路径来找到正确的父节点
- */
-async function uploadSingleFile(
-  file: File,
-  originalDirPath: string,
-  targetFolderPath: string,
-  tree: NotesTreeNode[],
-  createdFolders: Map<string, NotesTreeNode>
-): Promise<NotesTreeNode | null> {
-  const fileName = (file.webkitRelativePath || file.name).split('/').pop()!
-  const nameWithoutExt = fileName.replace(MARKDOWN_EXT, '')
-
-  let actualDirPath = originalDirPath
-  let parentNode: NotesTreeNode | null = null
-
-  if (originalDirPath === targetFolderPath) {
-    parentNode =
-      tree.find((node) => node.externalPath === targetFolderPath) || findNodeByExternalPath(tree, targetFolderPath)
-
-    if (!parentNode) {
-      logger.debug(`Uploading file ${fileName} to root directory: ${targetFolderPath}`)
-    }
-  } else {
-    parentNode = createdFolders.get(originalDirPath) || null
-    if (!parentNode) {
-      parentNode = tree.find((node) => node.externalPath === originalDirPath) || null
-      if (!parentNode) {
-        parentNode = findNodeByExternalPath(tree, originalDirPath)
-      }
-    }
-
-    if (!parentNode) {
-      for (const [originalPath, createdNode] of createdFolders.entries()) {
-        if (originalPath === originalDirPath) {
-          parentNode = createdNode
-          actualDirPath = createdNode.externalPath
-          break
-        }
-      }
-    }
-
-    if (!parentNode) {
-      logger.error(`Cannot upload file ${fileName}: parent node not found for path ${originalDirPath}`)
-      return null
-    }
-  }
-
-  const { safeName, exists } = await window.api.file.checkFileName(actualDirPath, nameWithoutExt, true)
-  if (exists) {
-    logger.warn(`Note already exists, will be overwritten: ${safeName}`)
-  }
-
-  const notePath = `${actualDirPath}/${safeName}${MARKDOWN_EXT}`
-
-  const noteId = uuidv4()
-  const note: NotesTreeNode = {
-    id: noteId,
-    name: safeName,
-    treePath: parentNode ? `${parentNode.treePath}/${safeName}` : `/${safeName}`,
-    externalPath: notePath,
-    type: 'file',
-    createdAt: new Date().toISOString(),
-    updatedAt: new Date().toISOString()
-  }
-
-  const content = await readFileContent(file)
-  await window.api.file.write(notePath, content)
-  await insertNodeIntoTree(tree, note, parentNode?.id)
-
-  return note
+  return { dir: dirPath, name: nameWithoutExt }
 }

src/renderer/src/services/NotesTreeService.ts

@@ -1,217 +1,47 @@
-import { loggerService } from '@logger'
-import db from '@renderer/databases'
 import { NotesTreeNode } from '@renderer/types/note'
 
-const MARKDOWN_EXT = '.md'
-const NOTES_TREE_ID = 'notes-tree-structure'
-
-const logger = loggerService.withContext('NotesTreeService')
-
-/**
- * 获取树结构
- */
-export const getNotesTree = async (): Promise<NotesTreeNode[]> => {
-  const record = await db.notes_tree.get(NOTES_TREE_ID)
-  return record?.tree || []
+export function normalizePathValue(path: string): string {
+  return path.replace(/\\/g, '/')
 }
 
-/**
- * 在树中插入节点
- */
-export async function insertNodeIntoTree(
-  tree: NotesTreeNode[],
-  node: NotesTreeNode,
-  parentId?: string
-): Promise<NotesTreeNode[]> {
-  try {
-    if (!parentId) {
-      tree.push(node)
-    } else {
-      const parent = findNodeInTree(tree, parentId)
-      if (parent && parent.type === 'folder') {
-        if (!parent.children) {
-          parent.children = []
-        }
-        parent.children.push(node)
-      }
-    }
-
-    await db.notes_tree.put({ id: NOTES_TREE_ID, tree })
-    return tree
-  } catch (error) {
-    logger.error('Failed to insert node into tree:', error as Error)
-    throw error
-  }
+export function addUniquePath(list: string[], path: string): string[] {
+  const normalized = normalizePathValue(path)
+  return list.includes(normalized) ? list : [...list, normalized]
 }
 
-/**
- * 从树中删除节点
- */
-export async function removeNodeFromTree(tree: NotesTreeNode[], nodeId: string): Promise<boolean> {
-  const removed = removeNodeFromTreeInMemory(tree, nodeId)
-  if (removed) {
-    await db.notes_tree.put({ id: NOTES_TREE_ID, tree })
-  }
-  return removed
-}
-
-/**
- * 从树中删除节点（仅在内存中操作，不保存数据库）
- */
-function removeNodeFromTreeInMemory(tree: NotesTreeNode[], nodeId: string): boolean {
-  for (let i = 0; i < tree.length; i++) {
-    if (tree[i].id === nodeId) {
-      tree.splice(i, 1)
-      return true
-    }
-    if (tree[i].children) {
-      const removed = removeNodeFromTreeInMemory(tree[i].children!, nodeId)
-      if (removed) {
-        return true
-      }
-    }
-  }
-  return false
-}
-
-export async function moveNodeInTree(
-  tree: NotesTreeNode[],
-  sourceNodeId: string,
-  targetNodeId: string,
-  position: 'before' | 'after' | 'inside'
-): Promise<boolean> {
-  try {
-    const sourceNode = findNodeInTree(tree, sourceNodeId)
-    const targetNode = findNodeInTree(tree, targetNodeId)
-
-    if (!sourceNode || !targetNode) {
-      logger.error(`Move nodes in tree failed: node not found (source: ${sourceNodeId}, target: ${targetNodeId})`)
-      return false
-    }
-
-    // 在移除节点之前先获取源节点的父节点信息，用于后续判断是否为同级排序
-    const sourceParent = findParentNode(tree, sourceNodeId)
-    const targetParent = findParentNode(tree, targetNodeId)
-
-    // 从原位置移除节点（不保存数据库，只在内存中操作）
-    const removed = removeNodeFromTreeInMemory(tree, sourceNodeId)
-    if (!removed) {
-      logger.error('Move nodes in tree failed: could not remove source node')
-      return false
-    }
-
-    try {
-      // 根据位置进行放置
-      if (position === 'inside' && targetNode.type === 'folder') {
-        if (!targetNode.children) {
-          targetNode.children = []
-        }
-        targetNode.children.push(sourceNode)
-        targetNode.expanded = true
-
-        sourceNode.treePath = `${targetNode.treePath}/${sourceNode.name}`
-      } else {
-        const targetList = targetParent ? targetParent.children! : tree
-        const targetIndex = targetList.findIndex((node) => node.id === targetNodeId)
-
-        if (targetIndex === -1) {
-          logger.error('Move nodes in tree failed: target position not found')
-          return false
-        }
-
-        // 根据position确定插入位置
-        const insertIndex = position === 'before' ? targetIndex : targetIndex + 1
-        targetList.splice(insertIndex, 0, sourceNode)
-
-        // 检查是否为同级排序，如果是则保持原有的 treePath
-        const isSameLevelReorder = sourceParent === targetParent
-
-        // 只有在跨级移动时才更新节点路径
-        if (!isSameLevelReorder) {
-          if (targetParent) {
-            sourceNode.treePath = `${targetParent.treePath}/${sourceNode.name}`
-          } else {
-            sourceNode.treePath = `/${sourceNode.name}`
-          }
-        }
-      }
-
-      // 更新修改时间
-      sourceNode.updatedAt = new Date().toISOString()
-
-      // 只有在所有操作成功后才保存到数据库
-      await db.notes_tree.put({ id: NOTES_TREE_ID, tree })
-
-      return true
-    } catch (error) {
-      logger.error('Move nodes in tree failed during placement, attempting to restore:', error as Error)
-      // 如果放置失败，尝试恢复原始节点到原位置
-      // 这里需要重新实现恢复逻辑，暂时返回false
-      return false
-    }
-  } catch (error) {
-    logger.error('Move nodes in tree failed:', error as Error)
+export function removePathEntries(list: string[], path: string, deep: boolean): string[] {
+  const normalized = normalizePathValue(path)
+  const prefix = `${normalized}/`
+  return list.filter((item) => {
+    if (item === normalized) {
       return false
     }
+    return !(deep && item.startsWith(prefix))
+  })
 }
 
-/**
- * 重命名节点
- */
-export async function renameNodeFromTree(
-  tree: NotesTreeNode[],
-  nodeId: string,
-  newName: string
-): Promise<NotesTreeNode> {
-  const node = findNodeInTree(tree, nodeId)
-
-  if (!node) {
-    throw new Error('Node not found')
+export function replacePathEntries(list: string[], oldPath: string, newPath: string, deep: boolean): string[] {
+  const oldNormalized = normalizePathValue(oldPath)
+  const newNormalized = normalizePathValue(newPath)
+  const prefix = `${oldNormalized}/`
+  return list.map((item) => {
+    if (item === oldNormalized) {
+      return newNormalized
     }
-
-  node.name = newName
-
-  const dirPath = node.treePath.substring(0, node.treePath.lastIndexOf('/') + 1)
-  node.treePath = dirPath + newName
-
-  const externalDirPath = node.externalPath.substring(0, node.externalPath.lastIndexOf('/') + 1)
-  node.externalPath = node.type === 'file' ? externalDirPath + newName + MARKDOWN_EXT : externalDirPath + newName
-
-  node.updatedAt = new Date().toISOString()
-  await db.notes_tree.put({ id: NOTES_TREE_ID, tree })
-  return node
+    if (deep && item.startsWith(prefix)) {
+      return `${newNormalized}${item.slice(oldNormalized.length)}`
+    }
+    return item
+  })
 }
 
-/**
- * 修改节点键值
- */
-export async function updateNodeInTree(
-  tree: NotesTreeNode[],
-  nodeId: string,
-  updates: Partial<NotesTreeNode>
-): Promise<NotesTreeNode> {
-  const node = findNodeInTree(tree, nodeId)
-  if (!node) {
-    throw new Error('Node not found')
-  }
-
-  Object.assign(node, updates)
-  node.updatedAt = new Date().toISOString()
-  await db.notes_tree.put({ id: NOTES_TREE_ID, tree })
-
-  return node
-}
-
-/**
- * 在树中查找节点
- */
-export function findNodeInTree(tree: NotesTreeNode[], nodeId: string): NotesTreeNode | null {
+export function findNode(tree: NotesTreeNode[], nodeId: string): NotesTreeNode | null {
   for (const node of tree) {
     if (node.id === nodeId) {
       return node
     }
     if (node.children) {
-      const found = findNodeInTree(node.children, nodeId)
+      const found = findNode(node.children, nodeId)
       if (found) {
         return found
       }
@@ -220,16 +50,13 @@ export function findNodeInTree(tree: NotesTreeNode[], nodeId: string): NotesTree
   return null
 }
 
-/**
- * 根据路径查找节点
- */
-export function findNodeByPath(tree: NotesTreeNode[], path: string): NotesTreeNode | null {
+export function findNodeByPath(tree: NotesTreeNode[], targetPath: string): NotesTreeNode | null {
   for (const node of tree) {
-    if (node.treePath === path) {
+    if (node.treePath === targetPath || node.externalPath === targetPath) {
       return node
     }
     if (node.children) {
-      const found = findNodeByPath(node.children, path)
+      const found = findNodeByPath(node.children, targetPath)
       if (found) {
         return found
       }
@@ -238,53 +65,113 @@ export function findNodeByPath(tree: NotesTreeNode[], path: string): NotesTreeNo
   return null
 }
 
-// ---
-// 辅助函数
-// ---
+export function updateTreeNode(
+  nodes: NotesTreeNode[],
+  nodeId: string,
+  updater: (node: NotesTreeNode) => NotesTreeNode
+): NotesTreeNode[] {
+  let changed = false
 
-/**
- * 查找节点的父节点
- */
-export function findParentNode(tree: NotesTreeNode[], targetNodeId: string): NotesTreeNode | null {
+  const nextNodes = nodes.map((node) => {
+    if (node.id === nodeId) {
+      changed = true
+      const updated = updater(node)
+      if (updated.type === 'folder' && !updated.children) {
+        return { ...updated, children: [] }
+      }
+      return updated
+    }
+
+    if (node.children && node.children.length > 0) {
+      const updatedChildren = updateTreeNode(node.children, nodeId, updater)
+      if (updatedChildren !== node.children) {
+        changed = true
+        return { ...node, children: updatedChildren }
+      }
+    }
+
+    return node
+  })
+
+  return changed ? nextNodes : nodes
+}
+
+export function findParent(tree: NotesTreeNode[], nodeId: string): NotesTreeNode | null {
   for (const node of tree) {
-    if (node.children) {
-      const isDirectChild = node.children.some((child) => child.id === targetNodeId)
-      if (isDirectChild) {
+    if (!node.children) {
+      continue
+    }
+    if (node.children.some((child) => child.id === nodeId)) {
       return node
     }
-
-      const parent = findParentNode(node.children, targetNodeId)
-      if (parent) {
-        return parent
-      }
+    const found = findParent(node.children, nodeId)
+    if (found) {
+      return found
     }
   }
   return null
 }
 
-/**
- * 判断节点是否为另一个节点的父节点
- */
-export function isParentNode(tree: NotesTreeNode[], parentId: string, childId: string): boolean {
-  const childNode = findNodeInTree(tree, childId)
-  if (!childNode) {
-    return false
+export function reorderTreeNodes(
+  nodes: NotesTreeNode[],
+  sourceId: string,
+  targetId: string,
+  position: 'before' | 'after'
+): NotesTreeNode[] {
+  const [updatedNodes, moved] = reorderSiblings(nodes, sourceId, targetId, position)
+  if (moved) {
+    return updatedNodes
   }
 
-  const parentNode = findNodeInTree(tree, parentId)
-  if (!parentNode || parentNode.type !== 'folder' || !parentNode.children) {
-    return false
+  let changed = false
+  const nextNodes = nodes.map((node) => {
+    if (!node.children || node.children.length === 0) {
+      return node
     }
 
-  if (parentNode.children.some((child) => child.id === childId)) {
-    return true
+    const reorderedChildren = reorderTreeNodes(node.children, sourceId, targetId, position)
+    if (reorderedChildren !== node.children) {
+      changed = true
+      return { ...node, children: reorderedChildren }
     }
 
-  for (const child of parentNode.children) {
-    if (isParentNode(tree, child.id, childId)) {
-      return true
-    }
-  }
+    return node
+  })
 
-  return false
+  return changed ? nextNodes : nodes
+}
+
+function reorderSiblings(
+  nodes: NotesTreeNode[],
+  sourceId: string,
+  targetId: string,
+  position: 'before' | 'after'
+): [NotesTreeNode[], boolean] {
+  const sourceIndex = nodes.findIndex((node) => node.id === sourceId)
+  const targetIndex = nodes.findIndex((node) => node.id === targetId)
+
+  if (sourceIndex === -1 || targetIndex === -1) {
+    return [nodes, false]
+  }
+
+  const updated = [...nodes]
+  const [sourceNode] = updated.splice(sourceIndex, 1)
+
+  let insertIndex = targetIndex
+  if (sourceIndex < targetIndex) {
+    insertIndex -= 1
+  }
+  if (position === 'after') {
+    insertIndex += 1
+  }
+
+  if (insertIndex < 0) {
+    insertIndex = 0
+  }
+  if (insertIndex > updated.length) {
+    insertIndex = updated.length
+  }
+
+  updated.splice(insertIndex, 0, sourceNode)
+  return [updated, true]
 }

src/renderer/src/store/note.ts

@@ -20,6 +20,8 @@ export interface NoteState {
   settings: NotesSettings
   notesPath: string
   sortType: NotesSortType
+  starredPaths: string[]
+  expandedPaths: string[]
 }
 
 export const initialState: NoteState = {
@@ -36,7 +38,9 @@ export const initialState: NoteState = {
     showWorkspace: true
   },
   notesPath: '',
-  sortType: 'sort_a2z'
+  sortType: 'sort_a2z',
+  starredPaths: [],
+  expandedPaths: []
 }
 
 const noteSlice = createSlice({
@@ -57,16 +61,32 @@ const noteSlice = createSlice({
     },
     setSortType: (state, action: PayloadAction<NotesSortType>) => {
       state.sortType = action.payload
+    },
+    setStarredPaths: (state, action: PayloadAction<string[]>) => {
+      state.starredPaths = action.payload ?? []
+    },
+    setExpandedPaths: (state, action: PayloadAction<string[]>) => {
+      state.expandedPaths = action.payload ?? []
     }
   }
 })
 
-export const { setActiveNodeId, setActiveFilePath, updateNotesSettings, setNotesPath, setSortType } = noteSlice.actions
+export const {
+  setActiveNodeId,
+  setActiveFilePath,
+  updateNotesSettings,
+  setNotesPath,
+  setSortType,
+  setStarredPaths,
+  setExpandedPaths
+} = noteSlice.actions
 
 export const selectActiveNodeId = (state: RootState) => state.note.activeNodeId
 export const selectActiveFilePath = (state: RootState) => state.note.activeFilePath
 export const selectNotesSettings = (state: RootState) => state.note.settings
 export const selectNotesPath = (state: RootState) => state.note.notesPath
 export const selectSortType = (state: RootState) => state.note.sortType
+export const selectStarredPaths = (state: RootState) => state.note.starredPaths ?? []
+export const selectExpandedPaths = (state: RootState) => state.note.expandedPaths ?? []
 
 export default noteSlice.reducer

src/renderer/src/utils/export.ts

@@ -3,12 +3,11 @@ import { Client } from '@notionhq/client'
 import i18n from '@renderer/i18n'
 import { getProviderLabel } from '@renderer/i18n/label'
 import { getMessageTitle } from '@renderer/services/MessagesService'
-import { createNote } from '@renderer/services/NotesService'
+import { addNote } from '@renderer/services/NotesService'
 import store from '@renderer/store'
 import { setExportState } from '@renderer/store/runtime'
 import type { Topic } from '@renderer/types'
 import type { Message } from '@renderer/types/newMessage'
-import { NotesTreeNode } from '@renderer/types/note'
 import { removeSpecialCharactersForFileName } from '@renderer/utils/file'
 import { convertMathFormula, markdownToPlainText } from '@renderer/utils/markdown'
 import { getCitationContent, getMainTextContent, getThinkingContent } from '@renderer/utils/messageUtils/find'
@@ -1052,18 +1051,12 @@ async function createSiyuanDoc(
  * @param content
  * @param folderPath
  */
-export const exportMessageToNotes = async (
-  title: string,
-  content: string,
-  folderPath: string
-): Promise<NotesTreeNode> => {
+export const exportMessageToNotes = async (title: string, content: string, folderPath: string): Promise<void> => {
   try {
     const cleanedContent = content.replace(/^## 🤖 Assistant(\n|$)/m, '')
-    const note = await createNote(title, cleanedContent, folderPath)
+    await addNote(title, cleanedContent, folderPath)
 
     window.toast.success(i18n.t('message.success.notes.export'))
-
-    return note
   } catch (error) {
     logger.error('导出到笔记失败:', error as Error)
     window.toast.error(i18n.t('message.error.notes.export'))
@@ -1077,14 +1070,12 @@ export const exportMessageToNotes = async (
  * @param folderPath
  * @returns 创建的笔记节点
  */
-export const exportTopicToNotes = async (topic: Topic, folderPath: string): Promise<NotesTreeNode> => {
+export const exportTopicToNotes = async (topic: Topic, folderPath: string): Promise<void> => {
   try {
     const content = await topicToMarkdown(topic)
-    const note = await createNote(topic.name, content, folderPath)
+    await addNote(topic.name, content, folderPath)
 
     window.toast.success(i18n.t('message.success.notes.export'))
-
-    return note
   } catch (error) {
     logger.error('导出到笔记失败:', error as Error)
     window.toast.error(i18n.t('message.error.notes.export'))

yarn.lock

@@ -169,13 +169,13 @@ __metadata:
 
 "@ai-sdk/google@patch:@ai-sdk/google@npm%3A2.0.14#~/.yarn/patches/@ai-sdk-google-npm-2.0.14-376d8b03cc.patch":
   version: 2.0.14
-  resolution: "@ai-sdk/google@patch:@ai-sdk/google@npm%3A2.0.14#~/.yarn/patches/@ai-sdk-google-npm-2.0.14-376d8b03cc.patch::version=2.0.14&hash=a91bb2"
+  resolution: "@ai-sdk/google@patch:@ai-sdk/google@npm%3A2.0.14#~/.yarn/patches/@ai-sdk-google-npm-2.0.14-376d8b03cc.patch::version=2.0.14&hash=c6aff2"
   dependencies:
     "@ai-sdk/provider": "npm:2.0.0"
     "@ai-sdk/provider-utils": "npm:3.0.9"
   peerDependencies:
     zod: ^3.25.76 || ^4
-  checksum: 10c0/5ec33dc9898457b1f48ed14cb767817345032c539dd21b7e21985ed47bc21b0820922b581bf349bb3898136790b12da3a0a7c9903c333a28ead0c3c2cd5230f2
+  checksum: 10c0/2a0a09debab8de0603243503ff5044bd3fff87d6c5de2d76d43839fa459cc85d5412b59ec63d0dcf1a6d6cab02882eb3c69f0f155129d0fc153bcde4deecbd32
   languageName: node
   linkType: hard
 
@@ -2328,7 +2328,6 @@ __metadata:
     "@ai-sdk/anthropic": "npm:^2.0.17"
     "@ai-sdk/azure": "npm:^2.0.30"
     "@ai-sdk/deepseek": "npm:^1.0.17"
-    "@ai-sdk/google": "patch:@ai-sdk/google@npm%3A2.0.14#~/.yarn/patches/@ai-sdk-google-npm-2.0.14-376d8b03cc.patch"
     "@ai-sdk/openai": "npm:^2.0.30"
     "@ai-sdk/openai-compatible": "npm:^1.0.17"
     "@ai-sdk/provider": "npm:^2.0.0"