Merge pull request #23 from hicccc77/main

同步
2026-03-24 23:06:51 +00:00 · 2026-01-12 22:26:36 +08:00
parent 0da34d9ab5 16fa8510e6
commit 76aa875085
17 changed files with 1781 additions and 234 deletions
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,6 +15,8 @@ jobs:
    steps:
      - name: Check out git repository
        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0

      - name: Install Node.js
        uses: actions/setup-node@v4
@@ -30,7 +32,37 @@ jobs:
          npx tsc
          npx vite build

+      - name: Build Changelog
+        id: build_changelog
+        uses: mikepenz/release-changelog-builder-action@v4
+        with:
+          outputFile: "release-notes.md"
+          configurationJson: |
+            {
+              "template": "#  v${{ github.ref_name }} 版本发布\n\n{{CHANGELOG}}\n\n---\n> 此更新由系统自动构建",
+              "categories": [
+                {
+                  "title": "##  新功能",
+                  "filter": { "pattern": "^feat:.*", "flags": "i" }
+                },
+                {
+                  "title": "##  修复",
+                  "filter": { "pattern": "^fix:.*", "flags": "i" }
+                },
+                {
+                  "title": "##  性能与维护",
+                  "filter": { "pattern": "^(chore|docs|perf|refactor):.*", "flags": "i" }
+                }
+              ],
+              "ignore_labels": [],
+              "commitMode": true,
+              "empty_summary": "##  更新详情\n- 常规代码优化与维护"
+            }
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
      - name: Package and Publish
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: npx electron-builder --publish always
+        run: |
+          npx electron-builder --publish always "-c.releaseInfo.releaseNotesFile=release-notes.md"
--- a/README.md
+++ b/README.md
@@ -20,8 +20,8 @@ WeFlow 是一个**完全本地**的微信**实时**聊天记录查看、分析
 <a href="https://github.com/hicccc77/WeFlow/issues">
 <img src="https://img.shields.io/github/issues/hicccc77/WeFlow?style=flat-square" alt="Issues">
 </a>
-<a href="https://github.com/hicccc77/WeFlow/blob/main/LICENSE">
-<img src="https://img.shields.io/github/license/hicccc77/WeFlow?style=flat-square" alt="License">
+<a href="https://t.me/+hn3QzNc4DbA0MzNl">
+<img src="https://img.shields.io/badge/Telegram%20交流群-点击加入-0088cc?style=flat-square&logo=telegram&logoColor=0088cc&labelColor=white" alt="Telegram">
 </a>
 </p>

@@ -92,7 +92,7 @@ WeFlow/

 ## 致谢

- [miyu](https://github.com/ILoveBingLu/miyu) 为本项目提供了基础框架
+- [密语 CipherTalk](https://github.com/ILoveBingLu/miyu) 为本项目提供了基础框架


 ## Star History
--- a/electron/main.ts
+++ b/electron/main.ts
@@ -390,6 +390,10 @@ function registerIpcHandlers() {
    return chatService.getSessions()
  })

+  ipcMain.handle('chat:enrichSessionsContactInfo', async (_, usernames: string[]) => {
+    return chatService.enrichSessionsContactInfo(usernames)
+  })
+
  ipcMain.handle('chat:getMessages', async (_, sessionId: string, offset?: number, limit?: number) => {
    return chatService.getMessages(sessionId, offset, limit)
  })
--- a/electron/preload.ts
+++ b/electron/preload.ts
@@ -91,6 +91,8 @@ contextBridge.exposeInMainWorld('electronAPI', {
  chat: {
    connect: () => ipcRenderer.invoke('chat:connect'),
    getSessions: () => ipcRenderer.invoke('chat:getSessions'),
+    enrichSessionsContactInfo: (usernames: string[]) =>
+      ipcRenderer.invoke('chat:enrichSessionsContactInfo', usernames),
    getMessages: (sessionId: string, offset?: number, limit?: number) =>
      ipcRenderer.invoke('chat:getMessages', sessionId, offset, limit),
    getLatestMessages: (sessionId: string, limit?: number) =>
--- a/electron/services/chatService.ts
+++ b/electron/services/chatService.ts
@@ -166,7 +166,7 @@ class ChatService {
  }

  /**
-   * 获取会话列表
+   * 获取会话列表（优化：先返回基础数据，不等待联系人信息加载）
   */
  async getSessions(): Promise<{ success: boolean; sessions?: ChatSession[]; error?: string }> {
    try {
@@ -189,8 +189,10 @@ class ChatService {
        return { success: false, error: `会话表异常: ${detail}${tableInfo}${tables}${columns}` }
      }

-      // 转换为 ChatSession
+      // 转换为 ChatSession（先加载缓存，但不等待数据库查询）
      const sessions: ChatSession[] = []
+      const now = Date.now()
+
      for (const row of rows) {
        const username =
          row.username ||
@@ -225,6 +227,15 @@ class ChatService {
        const summary = this.cleanString(row.summary || row.digest || row.last_msg || row.lastMsg || '')
        const lastMsgType = parseInt(row.last_msg_type || row.lastMsgType || '0', 10)

+        // 先尝试从缓存获取联系人信息（快速路径）
+        let displayName = username
+        let avatarUrl: string | undefined = undefined
+        const cached = this.avatarCache.get(username)
+        if (cached && now - cached.updatedAt < this.avatarCacheTtlMs) {
+          displayName = cached.displayName || username
+          avatarUrl = cached.avatarUrl
+        }
+
        sessions.push({
          username,
          type: parseInt(row.type || '0', 10),
@@ -233,13 +244,13 @@ class ChatService {
          sortTimestamp: sortTs,
          lastTimestamp: lastTs,
          lastMsgType,
-          displayName: username
+          displayName,
+          avatarUrl
        })
      }

-      // 获取联系人信息
-      await this.enrichSessionsWithContacts(sessions)
-
+      // 不等待联系人信息加载，直接返回基础会话列表
+      // 前端可以异步调用 enrichSessionsWithContacts 来补充信息
      return { success: true, sessions }
    } catch (e) {
      console.error('ChatService: 获取会话列表失败:', e)
@@ -248,46 +259,86 @@ class ChatService {
  }

  /**
-   * 补充联系人信息
+   * 异步补充会话列表的联系人信息（公开方法，供前端调用）
   */
-  private async enrichSessionsWithContacts(sessions: ChatSession[]): Promise<void> {
-    if (sessions.length === 0) return
+  async enrichSessionsContactInfo(usernames: string[]): Promise<{
+    success: boolean
+    contacts?: Record<string, { displayName?: string; avatarUrl?: string }>
+    error?: string
+  }> {
    try {
+      if (usernames.length === 0) {
+        return { success: true, contacts: {} }
+      }
+
+      const connectResult = await this.ensureConnected()
+      if (!connectResult.success) {
+        return { success: false, error: connectResult.error }
+      }
+
      const now = Date.now()
      const missing: string[] = []
+      const result: Record<string, { displayName?: string; avatarUrl?: string }> = {}

-      for (const session of sessions) {
-        const cached = this.avatarCache.get(session.username)
+      // 检查缓存
+      for (const username of usernames) {
+        const cached = this.avatarCache.get(username)
        if (cached && now - cached.updatedAt < this.avatarCacheTtlMs) {
-          if (cached.displayName) session.displayName = cached.displayName
-          if (cached.avatarUrl) {
-            session.avatarUrl = cached.avatarUrl
-            continue
+          result[username] = {
+            displayName: cached.displayName,
+            avatarUrl: cached.avatarUrl
          }
+        } else {
+          missing.push(username)
        }
-        missing.push(session.username)
      }

-      if (missing.length === 0) return
-      const missingSet = new Set(missing)
-
+      // 批量查询缺失的联系人信息
+      if (missing.length > 0) {
        const [displayNames, avatarUrls] = await Promise.all([
          wcdbService.getDisplayNames(missing),
          wcdbService.getAvatarUrls(missing)
        ])

-      for (const session of sessions) {
-        if (!missingSet.has(session.username)) continue
-        const displayName = displayNames.success && displayNames.map ? displayNames.map[session.username] : undefined
-        const avatarUrl = avatarUrls.success && avatarUrls.map ? avatarUrls.map[session.username] : undefined
-        if (displayName) session.displayName = displayName
-        if (avatarUrl) session.avatarUrl = avatarUrl
-        this.avatarCache.set(session.username, {
-          displayName: session.displayName,
-          avatarUrl: session.avatarUrl,
+        for (const username of missing) {
+          const displayName = displayNames.success && displayNames.map ? displayNames.map[username] : undefined
+          const avatarUrl = avatarUrls.success && avatarUrls.map ? avatarUrls.map[username] : undefined
+
+          result[username] = { displayName, avatarUrl }
+
+          // 更新缓存
+          this.avatarCache.set(username, {
+            displayName: displayName || username,
+            avatarUrl,
            updatedAt: now
          })
        }
+      }
+
+      return { success: true, contacts: result }
+    } catch (e) {
+      console.error('ChatService: 补充联系人信息失败:', e)
+      return { success: false, error: String(e) }
+    }
+  }
+
+  /**
+   * 补充联系人信息（私有方法，保持向后兼容）
+   */
+  private async enrichSessionsWithContacts(sessions: ChatSession[]): Promise<void> {
+    if (sessions.length === 0) return
+    try {
+      const usernames = sessions.map(s => s.username)
+      const result = await this.enrichSessionsContactInfo(usernames)
+      if (result.success && result.contacts) {
+        for (const session of sessions) {
+          const contact = result.contacts![session.username]
+          if (contact) {
+            if (contact.displayName) session.displayName = contact.displayName
+            if (contact.avatarUrl) session.avatarUrl = contact.avatarUrl
+          }
+        }
+      }
    } catch (e) {
      console.error('ChatService: 获取联系人信息失败:', e)
    }
@@ -721,7 +772,7 @@ class ChatService {
      case 49:
        return this.parseType49(content)
      case 50:
-        return '[通话]'
+        return this.parseVoipMessage(content)
      case 10000:
        return this.cleanSystemMessage(content)
      case 244813135921:
@@ -847,6 +898,67 @@ class ChatService {
    }
  }

+  /**
+   * 解析通话消息
+   * 格式: <voipmsg type="VoIPBubbleMsg"><VoIPBubbleMsg><msg><![CDATA[...]]></msg><room_type>0/1</room_type>...</VoIPBubbleMsg></voipmsg>
+   * room_type: 0 = 语音通话, 1 = 视频通话
+   * msg 状态: 通话时长 XX:XX, 对方无应答, 已取消, 已在其它设备接听, 对方已拒绝 等
+   */
+  private parseVoipMessage(content: string): string {
+    try {
+      if (!content) return '[通话]'
+
+      // 提取 msg 内容（中文通话状态）
+      const msgMatch = /<msg><!\[CDATA\[(.*?)\]\]><\/msg>/i.exec(content)
+      const msg = msgMatch?.[1]?.trim() || ''
+
+      // 提取 room_type（0=视频，1=语音）
+      const roomTypeMatch = /<room_type>(\d+)<\/room_type>/i.exec(content)
+      const roomType = roomTypeMatch ? parseInt(roomTypeMatch[1], 10) : -1
+
+      // 构建通话类型标签
+      let callType: string
+      if (roomType === 0) {
+        callType = '视频通话'
+      } else if (roomType === 1) {
+        callType = '语音通话'
+      } else {
+        callType = '通话'
+      }
+
+      // 解析通话状态
+      if (msg.includes('通话时长')) {
+        // 已接听的通话，提取时长
+        const durationMatch = /通话时长\s*(\d{1,2}:\d{2}(?::\d{2})?)/i.exec(msg)
+        const duration = durationMatch?.[1] || ''
+        if (duration) {
+          return `[${callType}] ${duration}`
+        }
+        return `[${callType}] 已接听`
+      } else if (msg.includes('对方无应答')) {
+        return `[${callType}] 对方无应答`
+      } else if (msg.includes('已取消')) {
+        return `[${callType}] 已取消`
+      } else if (msg.includes('已在其它设备接听') || msg.includes('已在其他设备接听')) {
+        return `[${callType}] 已在其他设备接听`
+      } else if (msg.includes('对方已拒绝') || msg.includes('已拒绝')) {
+        return `[${callType}] 对方已拒绝`
+      } else if (msg.includes('忙线未接听') || msg.includes('忙线')) {
+        return `[${callType}] 忙线未接听`
+      } else if (msg.includes('未接听')) {
+        return `[${callType}] 未接听`
+      } else if (msg) {
+        // 其他状态直接使用 msg 内容
+        return `[${callType}] ${msg}`
+      }
+
+      return `[${callType}]`
+    } catch (e) {
+      console.error('[ChatService] Failed to parse VOIP message:', e)
+      return '[通话]'
+    }
+  }
+
  private parseImageDatNameFromRow(row: Record<string, any>): string | undefined {
    const packed = this.getRowField(row, [
      'packed_info_data',
@@ -980,6 +1092,118 @@ class ChatService {
    }
  }

+  //手动查找 media_*.db 文件（当 WCDB DLL 不支持 listMediaDbs 时的 fallback）
+  private async findMediaDbsManually(): Promise<string[]> {
+    try {
+      const dbPath = this.configService.get('dbPath')
+      const myWxid = this.configService.get('myWxid')
+      if (!dbPath || !myWxid) return []
+
+      // 可能的目录结构：
+      // 1. dbPath 直接指向 db_storage: D:\weixin\WeChat Files\wxid_xxx\db_storage
+      // 2. dbPath 指向账号目录: D:\weixin\WeChat Files\wxid_xxx
+      // 3. dbPath 指向 WeChat Files: D:\weixin\WeChat Files
+      // 4. dbPath 指向微信根目录: D:\weixin
+      // 5. dbPath 指向非标准目录: D:\weixin\xwechat_files
+
+      const searchDirs: string[] = []
+
+      // 尝试1: dbPath 本身就是 db_storage
+      if (basename(dbPath).toLowerCase() === 'db_storage') {
+        searchDirs.push(dbPath)
+      }
+
+      // 尝试2: dbPath/db_storage
+      const dbStorage1 = join(dbPath, 'db_storage')
+      if (existsSync(dbStorage1)) {
+        searchDirs.push(dbStorage1)
+      }
+
+      // 尝试3: dbPath/WeChat Files/[wxid]/db_storage
+      const wechatFiles = join(dbPath, 'WeChat Files')
+      if (existsSync(wechatFiles)) {
+        const wxidDir = join(wechatFiles, myWxid)
+        if (existsSync(wxidDir)) {
+          const dbStorage2 = join(wxidDir, 'db_storage')
+          if (existsSync(dbStorage2)) {
+            searchDirs.push(dbStorage2)
+          }
+        }
+      }
+
+      // 尝试4: 如果 dbPath 已经包含 WeChat Files，直接在其中查找
+      if (dbPath.includes('WeChat Files')) {
+        const parts = dbPath.split(path.sep)
+        const wechatFilesIndex = parts.findIndex(p => p === 'WeChat Files')
+        if (wechatFilesIndex >= 0) {
+          const wechatFilesPath = parts.slice(0, wechatFilesIndex + 1).join(path.sep)
+          const wxidDir = join(wechatFilesPath, myWxid)
+          if (existsSync(wxidDir)) {
+            const dbStorage3 = join(wxidDir, 'db_storage')
+            if (existsSync(dbStorage3) && !searchDirs.includes(dbStorage3)) {
+              searchDirs.push(dbStorage3)
+            }
+          }
+        }
+      }
+
+      // 尝试5: 直接尝试 dbPath/[wxid]/db_storage (适用于 xwechat_files 等非标准目录名)
+      const wxidDirDirect = join(dbPath, myWxid)
+      if (existsSync(wxidDirDirect)) {
+        const dbStorage5 = join(wxidDirDirect, 'db_storage')
+        if (existsSync(dbStorage5) && !searchDirs.includes(dbStorage5)) {
+          searchDirs.push(dbStorage5)
+        }
+      }
+
+      // 在所有可能的目录中查找 media_*.db
+      const mediaDbFiles: string[] = []
+      for (const dir of searchDirs) {
+        if (!existsSync(dir)) continue
+
+        // 直接在当前目录查找
+        const entries = readdirSync(dir)
+        for (const entry of entries) {
+          if (entry.toLowerCase().startsWith('media_') && entry.toLowerCase().endsWith('.db')) {
+            const fullPath = join(dir, entry)
+            if (existsSync(fullPath) && statSync(fullPath).isFile()) {
+              if (!mediaDbFiles.includes(fullPath)) {
+                mediaDbFiles.push(fullPath)
+              }
+            }
+          }
+        }
+
+        // 也检查子目录（特别是 message 子目录）
+        for (const entry of entries) {
+          const subDir = join(dir, entry)
+          if (existsSync(subDir) && statSync(subDir).isDirectory()) {
+            try {
+              const subEntries = readdirSync(subDir)
+              for (const subEntry of subEntries) {
+                if (subEntry.toLowerCase().startsWith('media_') && subEntry.toLowerCase().endsWith('.db')) {
+                  const fullPath = join(subDir, subEntry)
+                  if (existsSync(fullPath) && statSync(fullPath).isFile()) {
+                    if (!mediaDbFiles.includes(fullPath)) {
+                      mediaDbFiles.push(fullPath)
+                    }
+                  }
+                }
+              }
+            } catch (e) {
+              // 忽略无法访问的子目录
+            }
+          }
+        }
+      }
+
+      return mediaDbFiles
+    } catch (e) {
+      console.error('[ChatService] 手动查找 media 数据库失败:', e)
+      return []
+    }
+  }
+
  private getVoiceLookupCandidates(sessionId: string, msg: Message): string[] {
    const candidates: string[] = []
    const add = (value?: string | null) => {
@@ -1833,13 +2057,20 @@ class ChatService {
      })

      // 2. 查找所有的 media_*.db
-      const mediaDbs = await wcdbService.listMediaDbs()
-      if (!mediaDbs.success || !mediaDbs.data) return { success: false, error: '获取媒体库失败' }
-      console.info('[ChatService][Voice] media dbs', mediaDbs.data)
+      let mediaDbs = await wcdbService.listMediaDbs()
+      // Fallback: 如果 WCDB DLL 不支持 listMediaDbs，手动查找
+      if (!mediaDbs.success || !mediaDbs.data || mediaDbs.data.length === 0) {
+        const manualMediaDbs = await this.findMediaDbsManually()
+        if (manualMediaDbs.length > 0) {
+          mediaDbs = { success: true, data: manualMediaDbs }
+        } else {
+          return { success: false, error: '未找到媒体库文件 (media_*.db)' }
+        }
+      }

      // 3. 在所有媒体库中查找该消息的语音数据
      let silkData: Buffer | null = null
-      for (const dbPath of mediaDbs.data) {
+      for (const dbPath of (mediaDbs.data || [])) {
        const voiceTable = await this.resolveVoiceInfoTableName(dbPath)
        if (!voiceTable) {
          console.warn('[ChatService][Voice] voice table not found', dbPath)
@@ -2165,7 +2396,7 @@ class ChatService {
            .prepare(`SELECT dir_name FROM ${state.dirTable} WHERE dir_id = ? AND username = ? LIMIT 1`)
            .get(dir2, sessionId) as { dir_name?: string } | undefined
          if (dirRow?.dir_name) dirName = dirRow.dir_name as string
-        } catch {}
+        } catch { }
      }

      const fullPath = join(accountDir, dir1, dirName, fileName)
@@ -2173,7 +2404,7 @@ class ChatService {

      const withDat = `${fullPath}.dat`
      if (existsSync(withDat)) return withDat
-    } catch {}
+    } catch { }
    return null
  }

--- a/electron/services/exportService.ts
+++ b/electron/services/exportService.ts
@@ -1,5 +1,8 @@
 import * as fs from 'fs'
 import * as path from 'path'
+import * as http from 'http'
+import * as https from 'https'
+import { fileURLToPath } from 'url'
 import { ConfigService } from './config'
 import { wcdbService } from './wcdbService'

@@ -229,7 +232,7 @@ class ExportService {
        const title = this.extractXmlValue(content, 'title')
        return title || '[链接]'
      }
-      case 50: return '[通话]'
+      case 50: return this.parseVoipMessage(content)
      case 10000: return this.cleanSystemMessage(content)
      default:
        if (content.includes('<type>57</type>')) {
@@ -261,6 +264,64 @@ class ExportService {
      .trim() || '[系统消息]'
  }

+  /**
+   * 解析通话消息
+   * 格式: <voipmsg type="VoIPBubbleMsg"><VoIPBubbleMsg><msg><![CDATA[...]]></msg><room_type>0/1</room_type>...</VoIPBubbleMsg></voipmsg>
+   * room_type: 0 = 语音通话, 1 = 视频通话
+   */
+  private parseVoipMessage(content: string): string {
+    try {
+      if (!content) return '[通话]'
+
+      // 提取 msg 内容（中文通话状态）
+      const msgMatch = /<msg><!\[CDATA\[(.*?)\]\]><\/msg>/i.exec(content)
+      const msg = msgMatch?.[1]?.trim() || ''
+
+      // 提取 room_type（0=视频，1=语音）
+      const roomTypeMatch = /<room_type>(\d+)<\/room_type>/i.exec(content)
+      const roomType = roomTypeMatch ? parseInt(roomTypeMatch[1], 10) : -1
+
+      // 构建通话类型标签
+      let callType: string
+      if (roomType === 0) {
+        callType = '视频通话'
+      } else if (roomType === 1) {
+        callType = '语音通话'
+      } else {
+        callType = '通话'
+      }
+
+      // 解析通话状态
+      if (msg.includes('通话时长')) {
+        const durationMatch = /通话时长\s*(\d{1,2}:\d{2}(?::\d{2})?)/i.exec(msg)
+        const duration = durationMatch?.[1] || ''
+        if (duration) {
+          return `[${callType}] ${duration}`
+        }
+        return `[${callType}] 已接听`
+      } else if (msg.includes('对方无应答')) {
+        return `[${callType}] 对方无应答`
+      } else if (msg.includes('已取消')) {
+        return `[${callType}] 已取消`
+      } else if (msg.includes('已在其它设备接听') || msg.includes('已在其他设备接听')) {
+        return `[${callType}] 已在其他设备接听`
+      } else if (msg.includes('对方已拒绝') || msg.includes('已拒绝')) {
+        return `[${callType}] 对方已拒绝`
+      } else if (msg.includes('忙线未接听') || msg.includes('忙线')) {
+        return `[${callType}] 忙线未接听`
+      } else if (msg.includes('未接听')) {
+        return `[${callType}] 未接听`
+      } else if (msg) {
+        return `[${callType}] ${msg}`
+      }
+
+      return `[${callType}]`
+    } catch (e) {
+      console.error('[ExportService] Failed to parse VOIP message:', e)
+      return '[通话]'
+    }
+  }
+
  /**
   * 获取消息类型名称
   */
@@ -298,9 +359,9 @@ class ExportService {
    sessionId: string,
    cleanedMyWxid: string,
    dateRange?: { start: number; end: number } | null
-  ): Promise<{ rows: any[]; memberSet: Map<string, ChatLabMember>; firstTime: number | null; lastTime: number | null }> {
+  ): Promise<{ rows: any[]; memberSet: Map<string, { member: ChatLabMember; avatarUrl?: string }>; firstTime: number | null; lastTime: number | null }> {
    const rows: any[] = []
-    const memberSet = new Map<string, ChatLabMember>()
+    const memberSet = new Map<string, { member: ChatLabMember; avatarUrl?: string }>()
    let firstTime: number | null = null
    let lastTime: number | null = null

@@ -336,8 +397,11 @@ class ExportService {
          const memberInfo = await this.getContactInfo(actualSender)
          if (!memberSet.has(actualSender)) {
            memberSet.set(actualSender, {
+              member: {
                platformId: actualSender,
                accountName: memberInfo.displayName
+              },
+              avatarUrl: memberInfo.avatarUrl
            })
          }

@@ -361,6 +425,121 @@ class ExportService {
    return { rows, memberSet, firstTime, lastTime }
  }

+  private resolveAvatarFile(avatarUrl?: string): { data?: Buffer; sourcePath?: string; sourceUrl?: string; ext: string; mime?: string } | null {
+    if (!avatarUrl) return null
+    if (avatarUrl.startsWith('data:')) {
+      const match = /^data:(image\/[a-zA-Z0-9.+-]+);base64,(.+)$/i.exec(avatarUrl)
+      if (!match) return null
+      const mime = match[1].toLowerCase()
+      const data = Buffer.from(match[2], 'base64')
+      const ext = mime.includes('png') ? '.png'
+        : mime.includes('gif') ? '.gif'
+          : mime.includes('webp') ? '.webp'
+            : '.jpg'
+      return { data, ext, mime }
+    }
+    if (avatarUrl.startsWith('file://')) {
+      try {
+        const sourcePath = fileURLToPath(avatarUrl)
+        const ext = path.extname(sourcePath) || '.jpg'
+        return { sourcePath, ext }
+      } catch {
+        return null
+      }
+    }
+    if (avatarUrl.startsWith('http://') || avatarUrl.startsWith('https://')) {
+      const url = new URL(avatarUrl)
+      const ext = path.extname(url.pathname) || '.jpg'
+      return { sourceUrl: avatarUrl, ext }
+    }
+    const sourcePath = avatarUrl
+    const ext = path.extname(sourcePath) || '.jpg'
+    return { sourcePath, ext }
+  }
+
+  private async downloadToBuffer(url: string, remainingRedirects = 2): Promise<{ data: Buffer; mime?: string } | null> {
+    const client = url.startsWith('https:') ? https : http
+    return new Promise((resolve) => {
+      const request = client.get(url, (res) => {
+        const status = res.statusCode || 0
+        if (status >= 300 && status < 400 && res.headers.location && remainingRedirects > 0) {
+          res.resume()
+          const redirectedUrl = new URL(res.headers.location, url).href
+          this.downloadToBuffer(redirectedUrl, remainingRedirects - 1)
+            .then(resolve)
+          return
+        }
+        if (status < 200 || status >= 300) {
+          res.resume()
+          resolve(null)
+          return
+        }
+        const chunks: Buffer[] = []
+        res.on('data', (chunk) => chunks.push(Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk)))
+        res.on('end', () => {
+          const data = Buffer.concat(chunks)
+          const mime = typeof res.headers['content-type'] === 'string' ? res.headers['content-type'] : undefined
+          resolve({ data, mime })
+        })
+      })
+      request.on('error', () => resolve(null))
+      request.setTimeout(15000, () => {
+        request.destroy()
+        resolve(null)
+      })
+    })
+  }
+
+  private async exportAvatars(
+    members: Array<{ username: string; avatarUrl?: string }>
+  ): Promise<Map<string, string>> {
+    const result = new Map<string, string>()
+    if (members.length === 0) return result
+
+    for (const member of members) {
+      const fileInfo = this.resolveAvatarFile(member.avatarUrl)
+      if (!fileInfo) continue
+      try {
+        let data: Buffer | null = null
+        let mime = fileInfo.mime
+        if (fileInfo.data) {
+          data = fileInfo.data
+        } else if (fileInfo.sourcePath && fs.existsSync(fileInfo.sourcePath)) {
+          data = await fs.promises.readFile(fileInfo.sourcePath)
+        } else if (fileInfo.sourceUrl) {
+          const downloaded = await this.downloadToBuffer(fileInfo.sourceUrl)
+          if (downloaded) {
+            data = downloaded.data
+            mime = downloaded.mime || mime
+          }
+        }
+        if (!data) continue
+        const finalMime = mime || this.inferImageMime(fileInfo.ext)
+        const base64 = data.toString('base64')
+        result.set(member.username, `data:${finalMime};base64,${base64}`)
+      } catch {
+        continue
+      }
+    }
+
+    return result
+  }
+
+  private inferImageMime(ext: string): string {
+    switch (ext.toLowerCase()) {
+      case '.png':
+        return 'image/png'
+      case '.gif':
+        return 'image/gif'
+      case '.webp':
+        return 'image/webp'
+      case '.bmp':
+        return 'image/bmp'
+      default:
+        return 'image/jpeg'
+    }
+  }
+
  /**
   * 导出单个会话为 ChatLab 格式
   */
@@ -399,7 +578,7 @@ class ExportService {
      })

      const chatLabMessages: ChatLabMessage[] = allMessages.map((msg) => {
-        const memberInfo = collected.memberSet.get(msg.senderUsername) || {
+        const memberInfo = collected.memberSet.get(msg.senderUsername)?.member || {
          platformId: msg.senderUsername,
          accountName: msg.senderUsername
        }
@@ -412,6 +591,23 @@ class ExportService {
        }
      })

+      const avatarMap = options.exportAvatars
+        ? await this.exportAvatars(
+          [
+            ...Array.from(collected.memberSet.entries()).map(([username, info]) => ({
+              username,
+              avatarUrl: info.avatarUrl
+            })),
+            { username: sessionId, avatarUrl: sessionInfo.avatarUrl }
+          ]
+        )
+        : new Map<string, string>()
+
+      const members = Array.from(collected.memberSet.values()).map((info) => {
+        const avatar = avatarMap.get(info.member.platformId)
+        return avatar ? { ...info.member, avatar } : info.member
+      })
+
      const chatLabExport: ChatLabExport = {
        chatlab: {
          version: '0.0.1',
@@ -424,7 +620,7 @@ class ExportService {
          type: isGroup ? 'group' : 'private',
          ...(isGroup && { groupId: sessionId })
        },
-        members: Array.from(collected.memberSet.values()),
+        members,
        messages: chatLabMessages
      }

@@ -538,6 +734,29 @@ class ExportService {
        messages: allMessages
      }

+      if (options.exportAvatars) {
+        const avatarMap = await this.exportAvatars(
+          [
+            ...Array.from(collected.memberSet.entries()).map(([username, info]) => ({
+              username,
+              avatarUrl: info.avatarUrl
+            })),
+            { username: sessionId, avatarUrl: sessionInfo.avatarUrl }
+          ]
+        )
+        const avatars: Record<string, string> = {}
+        for (const [username, relPath] of avatarMap.entries()) {
+          avatars[username] = relPath
+        }
+        if (Object.keys(avatars).length > 0) {
+          detailedExport.session = {
+            ...detailedExport.session,
+            avatar: avatars[sessionId]
+          }
+            ; (detailedExport as any).avatars = avatars
+        }
+      }
+
      fs.writeFileSync(outputPath, JSON.stringify(detailedExport, null, 2), 'utf-8')

      onProgress?.({
--- a/electron/services/keyService.ts
+++ b/electron/services/keyService.ts
@@ -695,33 +695,41 @@ export class KeyService {
  }

  private getXorKey(templateFiles: string[]): number | null {
-    const counts = new Map<string, number>()
+    const counts = new Map<number, number>()
+    const tailSignatures = [
+      Buffer.from([0xFF, 0xD9]),
+      Buffer.from([0x49, 0x45, 0x4E, 0x44, 0xAE, 0x42, 0x60, 0x82])
+    ]
    for (const file of templateFiles) {
      try {
        const bytes = readFileSync(file)
-        if (bytes.length < 2) continue
-        const x = bytes[bytes.length - 2]
-        const y = bytes[bytes.length - 1]
-        const key = `${x}_${y}`
-        counts.set(key, (counts.get(key) ?? 0) + 1)
+        for (const signature of tailSignatures) {
+          if (bytes.length < signature.length) continue
+          const tail = bytes.subarray(bytes.length - signature.length)
+          const xorKey = tail[0] ^ signature[0]
+          let valid = true
+          for (let i = 1; i < signature.length; i++) {
+            if ((tail[i] ^ xorKey) !== signature[i]) {
+              valid = false
+              break
+            }
+          }
+          if (valid) {
+            counts.set(xorKey, (counts.get(xorKey) ?? 0) + 1)
+          }
+        }
      } catch { }
    }
    if (!counts.size) return null
-    let mostKey = ''
-    let mostCount = 0
+    let bestKey: number | null = null
+    let bestCount = 0
    for (const [key, count] of counts) {
-      if (count > mostCount) {
-        mostCount = count
-        mostKey = key
+      if (count > bestCount) {
+        bestCount = count
+        bestKey = key
      }
    }
-    if (!mostKey) return null
-    const [xStr, yStr] = mostKey.split('_')
-    const x = Number(xStr)
-    const y = Number(yStr)
-    const xorKey = x ^ 0xFF
-    const check = y ^ 0xD9
-    return xorKey === check ? xorKey : null
+    return bestKey
  }

  private getCiphertextFromTemplate(templateFiles: string[]): Buffer | null {
@@ -766,7 +774,17 @@ export class KeyService {
      const decipher = crypto.createDecipheriv('aes-128-ecb', key, null)
      decipher.setAutoPadding(false)
      const decrypted = Buffer.concat([decipher.update(ciphertext), decipher.final()])
-      return decrypted[0] === 0xff && decrypted[1] === 0xd8 && decrypted[2] === 0xff
+      const isJpeg = decrypted.length >= 3 && decrypted[0] === 0xff && decrypted[1] === 0xd8 && decrypted[2] === 0xff
+      const isPng = decrypted.length >= 8 &&
+        decrypted[0] === 0x89 &&
+        decrypted[1] === 0x50 &&
+        decrypted[2] === 0x4e &&
+        decrypted[3] === 0x47 &&
+        decrypted[4] === 0x0d &&
+        decrypted[5] === 0x0a &&
+        decrypted[6] === 0x1a &&
+        decrypted[7] === 0x0a
+      return isJpeg || isPng
    } catch {
      return false
    }
--- a/electron/services/wcdbService.ts
+++ b/electron/services/wcdbService.ts
@@ -49,6 +49,8 @@ export class WcdbService {
  private wcdbGetEmoticonCdnUrl: any = null
  private avatarUrlCache: Map<string, { url?: string; updatedAt: number }> = new Map()
  private readonly avatarCacheTtlMs = 10 * 60 * 1000
+  private logTimer: NodeJS.Timeout | null = null
+  private lastLogTail: string | null = null

  setPaths(resourcesPath: string, userDataPath: string): void {
    this.resourcesPath = resourcesPath
@@ -57,6 +59,11 @@ export class WcdbService {

  setLogEnabled(enabled: boolean): void {
    this.logEnabled = enabled
+    if (this.isLogEnabled() && this.initialized) {
+      this.startLogPolling()
+    } else {
+      this.stopLogPolling()
+    }
  }

  /**
@@ -433,6 +440,49 @@ export class WcdbService {
    }
  }

+  private startLogPolling(): void {
+    if (this.logTimer || !this.isLogEnabled()) return
+    this.logTimer = setInterval(() => {
+      void this.pollLogs()
+    }, 2000)
+  }
+
+  private stopLogPolling(): void {
+    if (this.logTimer) {
+      clearInterval(this.logTimer)
+      this.logTimer = null
+    }
+    this.lastLogTail = null
+  }
+
+  private async pollLogs(): Promise<void> {
+    try {
+      if (!this.wcdbGetLogs || !this.isLogEnabled()) return
+      const outPtr = [null as any]
+      const result = this.wcdbGetLogs(outPtr)
+      if (result !== 0 || !outPtr[0]) return
+      let jsonStr = ''
+      try {
+        jsonStr = this.koffi.decode(outPtr[0], 'char', -1)
+      } finally {
+        try { this.wcdbFreeString(outPtr[0]) } catch { }
+      }
+      const logs = JSON.parse(jsonStr) as string[]
+      if (!Array.isArray(logs) || logs.length === 0) return
+      let startIdx = 0
+      if (this.lastLogTail) {
+        const idx = logs.lastIndexOf(this.lastLogTail)
+        if (idx >= 0) startIdx = idx + 1
+      }
+      for (let i = startIdx; i < logs.length; i += 1) {
+        this.writeLog(`wcdb: ${logs[i]}`)
+      }
+      this.lastLogTail = logs[logs.length - 1]
+    } catch (e) {
+      // ignore polling errors
+    }
+  }
+
  private decodeJsonPtr(outPtr: any): string | null {
    if (!outPtr) return null
    try {
@@ -545,6 +595,9 @@ export class WcdbService {
          console.warn('设置 wxid 失败:', e)
        }
      }
+      if (this.isLogEnabled()) {
+        this.startLogPolling()
+      }
      this.writeLog(`open ok handle=${handle}`)
      return true
    } catch (e) {
@@ -571,6 +624,7 @@ export class WcdbService {
      this.currentKey = null
      this.currentWxid = null
      this.initialized = false
+      this.stopLogPolling()
    }
  }

@@ -594,8 +648,15 @@ export class WcdbService {
      return { success: false, error: 'WCDB 未连接' }
    }
    try {
+      // 使用 setImmediate 让事件循环有机会处理其他任务，避免长时间阻塞
+      await new Promise(resolve => setImmediate(resolve))
+      
      const outPtr = [null as any]
      const result = this.wcdbGetSessions(this.handle, outPtr)
+      
+      // DLL 调用后再次让出控制权
+      await new Promise(resolve => setImmediate(resolve))
+      
      if (result !== 0 || !outPtr[0]) {
        this.writeLog(`getSessions failed: code=${result}`)
        return { success: false, error: `获取会话失败: ${result}` }
@@ -652,8 +713,15 @@ export class WcdbService {
    }
    if (usernames.length === 0) return { success: true, map: {} }
    try {
+      // 让出控制权，避免阻塞事件循环
+      await new Promise(resolve => setImmediate(resolve))
+      
      const outPtr = [null as any]
      const result = this.wcdbGetDisplayNames(this.handle, JSON.stringify(usernames), outPtr)
+      
+      // DLL 调用后再次让出控制权
+      await new Promise(resolve => setImmediate(resolve))
+      
      if (result !== 0 || !outPtr[0]) {
        return { success: false, error: `获取昵称失败: ${result}` }
      }
@@ -692,8 +760,15 @@ export class WcdbService {
        return { success: true, map: resultMap }
      }

+      // 让出控制权，避免阻塞事件循环
+      await new Promise(resolve => setImmediate(resolve))
+      
      const outPtr = [null as any]
      const result = this.wcdbGetAvatarUrls(this.handle, JSON.stringify(toFetch), outPtr)
+      
+      // DLL 调用后再次让出控制权
+      await new Promise(resolve => setImmediate(resolve))
+      
      if (result !== 0 || !outPtr[0]) {
        if (Object.keys(resultMap).length > 0) {
          return { success: true, map: resultMap, error: `获取头像失败: ${result}` }
--- a/package.json
+++ b/package.json
@@ -1,8 +1,9 @@
 {
  "name": "weflow",
-  "version": "1.0.0",
+  "version": "1.0.4",
  "description": "WeFlow - 微信聊天记录查看工具",
  "main": "dist-electron/main.js",
+  "author": "cc",
  "scripts": {
    "dev": "vite",
    "build": "tsc && vite build && electron-builder",
@@ -46,6 +47,10 @@
  },
  "build": {
    "appId": "com.WeFlow.app",
+    "publish": {
+      "provider": "github",
+      "releaseType": "release"
+    },
    "productName": "WeFlow",
    "artifactName": "${productName}-${version}-Setup.${ext}",
    "directories": {
@@ -59,6 +64,7 @@
    },
    "nsis": {
      "oneClick": false,
+      "differentialPackage": false,
      "allowToChangeInstallationDirectory": true,
      "createDesktopShortcut": true,
      "unicode": true,
--- a/resources/wcdb_api.dll
+++ b/resources/wcdb_api.dll
--- a/src/pages/AnnualReportWindow.tsx
+++ b/src/pages/AnnualReportWindow.tsx
@@ -1,5 +1,5 @@
 import { useState, useEffect, useRef } from 'react'
-import { Loader2, Download, Image, Check, X } from 'lucide-react'
+import { Loader2, Download, Image, Check, X, SlidersHorizontal } from 'lucide-react'
 import html2canvas from 'html2canvas'
 import { useThemeStore } from '../stores/themeStore'
 import './AnnualReportWindow.scss'
@@ -249,6 +249,7 @@ function AnnualReportWindow() {
  const [fabOpen, setFabOpen] = useState(false)
  const [loadingProgress, setLoadingProgress] = useState(0)
  const [loadingStage, setLoadingStage] = useState('正在初始化...')
+  const [exportMode, setExportMode] = useState<'separate' | 'long'>('separate')

  const { currentTheme, themeMode } = useThemeStore()

@@ -490,7 +491,7 @@ function AnnualReportWindow() {
  }

  // 导出整个报告为长图
-  const exportFullReport = async () => {
+  const exportFullReport = async (filterIds?: Set<string>) => {
    if (!containerRef.current) {
      return
    }
@@ -516,6 +517,16 @@ function AnnualReportWindow() {
        el.style.padding = '40px 0'
      })

+      // 如果有筛选，隐藏未选中的板块
+      if (filterIds) {
+        const available = getAvailableSections()
+        available.forEach(s => {
+          if (!filterIds.has(s.id) && s.ref.current) {
+            s.ref.current.style.display = 'none'
+          }
+        })
+      }
+
      // 修复词云导出问题
      const wordCloudInner = container.querySelector('.word-cloud-inner') as HTMLElement
      const wordTags = container.querySelectorAll('.word-tag') as NodeListOf<HTMLElement>
@@ -584,7 +595,7 @@ function AnnualReportWindow() {

      const dataUrl = outputCanvas.toDataURL('image/png')
      const link = document.createElement('a')
-      link.download = `${reportData?.year}年度报告.png`
+      link.download = `${reportData?.year}年度报告${filterIds ? '_自定义' : ''}.png`
      link.href = dataUrl
      document.body.appendChild(link)
      link.click()
@@ -607,6 +618,13 @@ function AnnualReportWindow() {
      return
    }

+    if (exportMode === 'long') {
+      setShowExportModal(false)
+      await exportFullReport(selectedSections)
+      setSelectedSections(new Set())
+      return
+    }
+
    setIsExporting(true)
    setShowExportModal(false)

@@ -735,9 +753,12 @@ function AnnualReportWindow() {

      {/* 浮动操作按钮 */}
      <div className={`fab-container ${fabOpen ? 'open' : ''}`}>
-        <button className="fab-item" onClick={() => { setFabOpen(false); setShowExportModal(true) }} title="分模块导出">
+        <button className="fab-item" onClick={() => { setFabOpen(false); setExportMode('separate'); setShowExportModal(true) }} title="分模块导出">
          <Image size={18} />
        </button>
+        <button className="fab-item" onClick={() => { setFabOpen(false); setExportMode('long'); setShowExportModal(true) }} title="自定义导出长图">
+          <SlidersHorizontal size={18} />
+        </button>
        <button className="fab-item" onClick={() => { setFabOpen(false); exportFullReport() }} title="导出长图">
          <Download size={18} />
        </button>
@@ -765,7 +786,7 @@ function AnnualReportWindow() {
        <div className="export-overlay" onClick={() => setShowExportModal(false)}>
          <div className="export-modal section-selector" onClick={e => e.stopPropagation()}>
            <div className="modal-header">
-              <h3>选择要导出的板块</h3>
+              <h3>{exportMode === 'long' ? '自定义导出长图' : '选择要导出的板块'}</h3>
              <button className="close-btn" onClick={() => setShowExportModal(false)}>
                <X size={20} />
              </button>
@@ -793,7 +814,7 @@ function AnnualReportWindow() {
                onClick={exportSelectedSections}
                disabled={selectedSections.size === 0}
              >
-                导出 {selectedSections.size > 0 ? `(${selectedSections.size})` : ''}
+                {exportMode === 'long' ? '生成长图' : '导出'} {selectedSections.size > 0 ? `(${selectedSections.size})` : ''}
              </button>
            </div>
          </div>
@@ -838,7 +859,7 @@ function AnnualReportWindow() {
                你发出 <span className="hl">{formatNumber(topFriend.sentCount)}</span> 条 ·
                TA发来 <span className="hl">{formatNumber(topFriend.receivedCount)}</span> 条
              </p>
-              <br/>
+              <br />
              <p className="hero-desc">
                在一起，就可以
              </p>
--- a/src/pages/ChatPage.scss
+++ b/src/pages/ChatPage.scss
@@ -883,6 +883,23 @@
  min-height: 0;
  overflow: hidden;
  -webkit-app-region: no-drag;
+  position: relative;
+
+  &.loading .message-list {
+    opacity: 0;
+    transform: translateY(8px);
+    pointer-events: none;
+  }
+
+  &.loaded .message-list {
+    opacity: 1;
+    transform: translateY(0);
+  }
+
+  &.loaded .loading-overlay {
+    opacity: 0;
+    pointer-events: none;
+  }
 }

 .message-list {
@@ -898,6 +915,7 @@
  background-color: var(--bg-tertiary);
  position: relative;
  -webkit-app-region: no-drag !important;
+  transition: opacity 240ms ease, transform 240ms ease;

  // 滚动条样式
  &::-webkit-scrollbar {
@@ -918,6 +936,19 @@
  }
 }

+.loading-messages.loading-overlay {
+  position: absolute;
+  inset: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 10px;
+  background: rgba(10, 10, 10, 0.28);
+  backdrop-filter: blur(6px);
+  transition: opacity 200ms ease;
+  z-index: 2;
+}
+
 .message-list * {
  -webkit-app-region: no-drag !important;
 }
@@ -1108,6 +1139,7 @@
  font-size: 14px;
  line-height: 1.6;
  word-break: break-word;
+  white-space: pre-wrap;
 }

 // 表情包消息
@@ -1432,6 +1464,7 @@

  .quoted-text {
    color: var(--text-secondary);
+    white-space: pre-wrap;
  }
 }

--- a/src/pages/ChatPage.tsx
+++ b/src/pages/ChatPage.tsx
@@ -1,4 +1,4 @@
-import { useState, useEffect, useRef, useCallback, useMemo } from 'react'
+import React, { useState, useEffect, useRef, useCallback, useMemo } from 'react'
 import { Search, MessageSquare, AlertCircle, Loader2, RefreshCw, X, ChevronDown, Info, Calendar, Database, Hash, Play, Pause, Image as ImageIcon } from 'lucide-react'
 import { useChatStore } from '../stores/chatStore'
 import type { ChatSession, Message } from '../types/models'
@@ -23,11 +23,128 @@ interface SessionDetail {
  messageTables: { dbName: string; tableName: string; count: number }[]
 }

-// 头像组件 - 支持骨架屏加载
-function SessionAvatar({ session, size = 48 }: { session: ChatSession; size?: number }) {
+// 全局头像加载队列管理器（限制并发，避免卡顿）
+class AvatarLoadQueue {
+  private queue: Array<{ url: string; resolve: () => void; reject: () => void }> = []
+  private loading = new Set<string>()
+  private readonly maxConcurrent = 1 // 一次只加载1个头像，避免卡顿
+  private readonly delayBetweenBatches = 100 // 批次间延迟100ms，给UI喘息时间
+
+  async enqueue(url: string): Promise<void> {
+    // 如果已经在加载中，直接返回
+    if (this.loading.has(url)) {
+      return Promise.resolve()
+    }
+
+    return new Promise((resolve, reject) => {
+      this.queue.push({ url, resolve, reject })
+      this.processQueue()
+    })
+  }
+
+  private async processQueue() {
+    // 如果已达到最大并发数，等待
+    if (this.loading.size >= this.maxConcurrent) {
+      return
+    }
+
+    // 如果队列为空，返回
+    if (this.queue.length === 0) {
+      return
+    }
+
+    // 取出一个任务
+    const task = this.queue.shift()
+    if (!task) return
+
+    this.loading.add(task.url)
+
+    // 加载图片
+    const img = new Image()
+    img.onload = () => {
+      this.loading.delete(task.url)
+      task.resolve()
+      // 延迟一下再处理下一个，避免一次性加载太多
+      setTimeout(() => this.processQueue(), this.delayBetweenBatches)
+    }
+    img.onerror = () => {
+      this.loading.delete(task.url)
+      task.reject()
+      setTimeout(() => this.processQueue(), this.delayBetweenBatches)
+    }
+    img.src = task.url
+  }
+
+  clear() {
+    this.queue = []
+    this.loading.clear()
+  }
+}
+
+const avatarLoadQueue = new AvatarLoadQueue()
+
+// 头像组件 - 支持骨架屏加载和懒加载（优化：限制并发，使用 memo 避免不必要的重渲染）
+// 会话项组件（使用 memo 优化，避免不必要的重渲染）
+const SessionItem = React.memo(function SessionItem({
+  session,
+  isActive,
+  onSelect,
+  formatTime
+}: {
+  session: ChatSession
+  isActive: boolean
+  onSelect: (session: ChatSession) => void
+  formatTime: (timestamp: number) => string
+}) {
+  // 缓存格式化的时间
+  const timeText = useMemo(() => 
+    formatTime(session.lastTimestamp || session.sortTimestamp),
+    [formatTime, session.lastTimestamp, session.sortTimestamp]
+  )
+
+  return (
+    <div
+      className={`session-item ${isActive ? 'active' : ''}`}
+      onClick={() => onSelect(session)}
+    >
+      <SessionAvatar session={session} size={48} />
+      <div className="session-info">
+        <div className="session-top">
+          <span className="session-name">{session.displayName || session.username}</span>
+          <span className="session-time">{timeText}</span>
+        </div>
+        <div className="session-bottom">
+          <span className="session-summary">{session.summary || '暂无消息'}</span>
+          {session.unreadCount > 0 && (
+            <span className="unread-badge">
+              {session.unreadCount > 99 ? '99+' : session.unreadCount}
+            </span>
+          )}
+        </div>
+      </div>
+    </div>
+  )
+}, (prevProps, nextProps) => {
+  // 自定义比较：只在关键属性变化时重渲染
+  return (
+    prevProps.session.username === nextProps.session.username &&
+    prevProps.session.displayName === nextProps.session.displayName &&
+    prevProps.session.avatarUrl === nextProps.session.avatarUrl &&
+    prevProps.session.summary === nextProps.session.summary &&
+    prevProps.session.unreadCount === nextProps.session.unreadCount &&
+    prevProps.session.lastTimestamp === nextProps.session.lastTimestamp &&
+    prevProps.session.sortTimestamp === nextProps.session.sortTimestamp &&
+    prevProps.isActive === nextProps.isActive
+  )
+})
+
+const SessionAvatar = React.memo(function SessionAvatar({ session, size = 48 }: { session: ChatSession; size?: number }) {
  const [imageLoaded, setImageLoaded] = useState(false)
  const [imageError, setImageError] = useState(false)
+  const [shouldLoad, setShouldLoad] = useState(false)
+  const [isInQueue, setIsInQueue] = useState(false)
  const imgRef = useRef<HTMLImageElement>(null)
+  const containerRef = useRef<HTMLDivElement>(null)
  const isGroup = session.username.includes('@chatroom')

  const getAvatarLetter = (): string => {
@@ -37,23 +154,63 @@ function SessionAvatar({ session, size = 48 }: { session: ChatSession; size?: nu
    return chars[0] || '?'
  }

+  // 使用 Intersection Observer 实现懒加载（优化性能）
+  useEffect(() => {
+    if (!containerRef.current || shouldLoad || isInQueue) return
+    if (!session.avatarUrl) {
+      // 没有头像URL，不需要加载
+      return
+    }
+
+    const observer = new IntersectionObserver(
+      (entries) => {
+        entries.forEach((entry) => {
+          if (entry.isIntersecting && !isInQueue) {
+            // 加入加载队列，而不是立即加载
+            setIsInQueue(true)
+            avatarLoadQueue.enqueue(session.avatarUrl!).then(() => {
+              setShouldLoad(true)
+            }).catch(() => {
+              setImageError(true)
+            }).finally(() => {
+              setIsInQueue(false)
+            })
+            observer.disconnect()
+          }
+        })
+      },
+      {
+        rootMargin: '50px' // 减少预加载距离，只提前50px
+      }
+    )
+
+    observer.observe(containerRef.current)
+
+    return () => {
+      observer.disconnect()
+    }
+  }, [session.avatarUrl, shouldLoad, isInQueue])
+
  // 当 avatarUrl 变化时重置状态
  useEffect(() => {
    setImageLoaded(false)
    setImageError(false)
+    setShouldLoad(false)
+    setIsInQueue(false)
  }, [session.avatarUrl])

  // 检查图片是否已经从缓存加载完成
  useEffect(() => {
-    if (imgRef.current?.complete && imgRef.current?.naturalWidth > 0) {
+    if (shouldLoad && imgRef.current?.complete && imgRef.current?.naturalWidth > 0) {
      setImageLoaded(true)
    }
-  }, [session.avatarUrl])
+  }, [session.avatarUrl, shouldLoad])

-  const hasValidUrl = session.avatarUrl && !imageError
+  const hasValidUrl = session.avatarUrl && !imageError && shouldLoad

  return (
    <div
+      ref={containerRef}
      className={`session-avatar ${isGroup ? 'group' : ''} ${hasValidUrl && !imageLoaded ? 'loading' : ''}`}
      style={{ width: size, height: size }}
    >
@@ -67,6 +224,7 @@ function SessionAvatar({ session, size = 48 }: { session: ChatSession; size?: nu
            className={imageLoaded ? 'loaded' : ''}
            onLoad={() => setImageLoaded(true)}
            onError={() => setImageError(true)}
+            loading="lazy"
          />
        </>
      ) : (
@@ -74,7 +232,15 @@ function SessionAvatar({ session, size = 48 }: { session: ChatSession; size?: nu
      )}
    </div>
  )
-}
+}, (prevProps, nextProps) => {
+  // 自定义比较函数，只在关键属性变化时重渲染
+  return (
+    prevProps.session.username === nextProps.session.username &&
+    prevProps.session.displayName === nextProps.session.displayName &&
+    prevProps.session.avatarUrl === nextProps.session.avatarUrl &&
+    prevProps.size === nextProps.size
+  )
+})

 function ChatPage(_props: ChatPageProps) {
  const {
@@ -108,6 +274,8 @@ function ChatPage(_props: ChatPageProps) {
  const messageListRef = useRef<HTMLDivElement>(null)
  const searchInputRef = useRef<HTMLInputElement>(null)
  const sidebarRef = useRef<HTMLDivElement>(null)
+  const initialRevealTimerRef = useRef<number | null>(null)
+  const sessionListRef = useRef<HTMLDivElement>(null)
  const [currentOffset, setCurrentOffset] = useState(0)
  const [myAvatarUrl, setMyAvatarUrl] = useState<string | undefined>(undefined)
  const [showScrollToBottom, setShowScrollToBottom] = useState(false)
@@ -118,6 +286,13 @@ function ChatPage(_props: ChatPageProps) {
  const [isLoadingDetail, setIsLoadingDetail] = useState(false)
  const [highlightedMessageKeys, setHighlightedMessageKeys] = useState<string[]>([])
  const [isRefreshingSessions, setIsRefreshingSessions] = useState(false)
+  const [hasInitialMessages, setHasInitialMessages] = useState(false)
+  
+  // 联系人信息加载控制
+  const isEnrichingRef = useRef(false)
+  const enrichCancelledRef = useRef(false)
+  const isScrollingRef = useRef(false)
+  const sessionScrollTimeoutRef = useRef<number | null>(null)


  const highlightedMessageSet = useMemo(() => new Set(highlightedMessageKeys), [highlightedMessageKeys])
@@ -126,6 +301,7 @@ function ChatPage(_props: ChatPageProps) {
  const sessionMapRef = useRef<Map<string, ChatSession>>(new Map())
  const sessionsRef = useRef<ChatSession[]>([])
  const currentSessionRef = useRef<string | null>(null)
+  const prevSessionRef = useRef<string | null>(null)
  const isLoadingMessagesRef = useRef(false)
  const isLoadingMoreRef = useRef(false)
  const isConnectedRef = useRef(false)
@@ -188,7 +364,7 @@ function ChatPage(_props: ChatPageProps) {
    }
  }, [loadMyAvatar])

-  // 加载会话列表
+  // 加载会话列表（优化：先返回基础数据，异步加载联系人信息）
  const loadSessions = async (options?: { silent?: boolean }) => {
    if (options?.silent) {
      setIsRefreshingSessions(true)
@@ -198,8 +374,21 @@ function ChatPage(_props: ChatPageProps) {
    try {
      const result = await window.electronAPI.chat.getSessions()
      if (result.success && result.sessions) {
-        const nextSessions = options?.silent ? mergeSessions(result.sessions) : result.sessions
+        // 确保 sessions 是数组
+        const sessionsArray = Array.isArray(result.sessions) ? result.sessions : []
+        const nextSessions = options?.silent ? mergeSessions(sessionsArray) : sessionsArray
+        // 确保 nextSessions 也是数组
+        if (Array.isArray(nextSessions)) {
          setSessions(nextSessions)
+          // 延迟启动联系人信息加载，确保UI先渲染完成
+          setTimeout(() => {
+            void enrichSessionsContactInfo(nextSessions)
+          }, 500)
+        } else {
+          console.error('mergeSessions returned non-array:', nextSessions)
+          setSessions(sessionsArray)
+          void enrichSessionsContactInfo(sessionsArray)
+        }
      } else if (!result.success) {
        setConnectionError(result.error || '获取会话失败')
      }
@@ -215,6 +404,198 @@ function ChatPage(_props: ChatPageProps) {
    }
  }

+  // 分批异步加载联系人信息（优化性能：防止重复加载，滚动时暂停，只在空闲时加载）
+  const enrichSessionsContactInfo = async (sessions: ChatSession[]) => {
+    if (sessions.length === 0) return
+    
+    // 防止重复加载
+    if (isEnrichingRef.current) {
+      console.log('[性能监控] 联系人信息正在加载中，跳过重复请求')
+      return
+    }
+    
+    isEnrichingRef.current = true
+    enrichCancelledRef.current = false
+    
+    console.log(`[性能监控] 开始加载联系人信息，会话数: ${sessions.length}`)
+    const totalStart = performance.now()
+    
+    // 延迟启动，等待UI渲染完成
+    await new Promise(resolve => setTimeout(resolve, 500))
+    
+    // 检查是否被取消
+    if (enrichCancelledRef.current) {
+      isEnrichingRef.current = false
+      return
+    }
+    
+    try {
+      // 找出需要加载联系人信息的会话（没有缓存的）
+      const needEnrich = sessions.filter(s => !s.avatarUrl && (!s.displayName || s.displayName === s.username))
+      if (needEnrich.length === 0) {
+        console.log('[性能监控] 所有联系人信息已缓存，跳过加载')
+        isEnrichingRef.current = false
+        return
+      }
+
+      console.log(`[性能监控] 需要加载的联系人信息: ${needEnrich.length} 个`)
+
+      // 进一步减少批次大小，每批3个，避免DLL调用阻塞
+      const batchSize = 3
+      let loadedCount = 0
+      
+      for (let i = 0; i < needEnrich.length; i += batchSize) {
+        // 如果正在滚动，暂停加载
+        if (isScrollingRef.current) {
+          console.log('[性能监控] 检测到滚动，暂停加载联系人信息')
+          // 等待滚动结束
+          while (isScrollingRef.current && !enrichCancelledRef.current) {
+            await new Promise(resolve => setTimeout(resolve, 200))
+          }
+          if (enrichCancelledRef.current) break
+        }
+        
+        // 检查是否被取消
+        if (enrichCancelledRef.current) break
+        
+        const batchStart = performance.now()
+        const batch = needEnrich.slice(i, i + batchSize)
+        const usernames = batch.map(s => s.username)
+        
+        // 使用 requestIdleCallback 延迟执行，避免阻塞UI
+        await new Promise<void>((resolve) => {
+          if ('requestIdleCallback' in window) {
+            window.requestIdleCallback(() => {
+              void loadContactInfoBatch(usernames).then(() => resolve())
+            }, { timeout: 2000 })
+          } else {
+            setTimeout(() => {
+              void loadContactInfoBatch(usernames).then(() => resolve())
+            }, 300)
+          }
+        })
+        
+        loadedCount += batch.length
+        const batchTime = performance.now() - batchStart
+        if (batchTime > 200) {
+          console.warn(`[性能监控] 批次 ${Math.floor(i / batchSize) + 1}/${Math.ceil(needEnrich.length / batchSize)} 耗时: ${batchTime.toFixed(2)}ms (已加载: ${loadedCount}/${needEnrich.length})`)
+        }
+        
+        // 批次间延迟，给UI更多时间（DLL调用可能阻塞，需要更长的延迟）
+        if (i + batchSize < needEnrich.length && !enrichCancelledRef.current) {
+          // 如果不在滚动，可以延迟短一点
+          const delay = isScrollingRef.current ? 1000 : 800
+          await new Promise(resolve => setTimeout(resolve, delay))
+        }
+      }
+      
+      const totalTime = performance.now() - totalStart
+      if (!enrichCancelledRef.current) {
+        console.log(`[性能监控] 联系人信息加载完成，总耗时: ${totalTime.toFixed(2)}ms, 已加载: ${loadedCount}/${needEnrich.length}`)
+      } else {
+        console.log(`[性能监控] 联系人信息加载被取消，已加载: ${loadedCount}/${needEnrich.length}`)
+      }
+    } catch (e) {
+      console.error('加载联系人信息失败:', e)
+    } finally {
+      isEnrichingRef.current = false
+    }
+  }
+
+  // 联系人信息更新队列（防抖批量更新，避免频繁重渲染）
+  const contactUpdateQueueRef = useRef<Map<string, { displayName?: string; avatarUrl?: string }>>(new Map())
+  const contactUpdateTimerRef = useRef<number | null>(null)
+  const lastUpdateTimeRef = useRef(0)
+
+  // 批量更新联系人信息（防抖，减少重渲染次数，增加延迟避免阻塞滚动）
+  const flushContactUpdates = useCallback(() => {
+    if (contactUpdateTimerRef.current) {
+      clearTimeout(contactUpdateTimerRef.current)
+      contactUpdateTimerRef.current = null
+    }
+
+    // 增加防抖延迟到500ms，避免在滚动时频繁更新
+    contactUpdateTimerRef.current = window.setTimeout(() => {
+      const updates = contactUpdateQueueRef.current
+      if (updates.size === 0) return
+
+      const now = Date.now()
+      // 如果距离上次更新太近（小于1秒），继续延迟
+      if (now - lastUpdateTimeRef.current < 1000) {
+        contactUpdateTimerRef.current = window.setTimeout(() => {
+          flushContactUpdates()
+        }, 1000 - (now - lastUpdateTimeRef.current))
+        return
+      }
+
+      const { sessions: currentSessions } = useChatStore.getState()
+      if (!Array.isArray(currentSessions)) return
+
+      let hasChanges = false
+      const updatedSessions = currentSessions.map(session => {
+        const update = updates.get(session.username)
+        if (update) {
+          const newDisplayName = update.displayName || session.displayName || session.username
+          const newAvatarUrl = update.avatarUrl || session.avatarUrl
+          if (newDisplayName !== session.displayName || newAvatarUrl !== session.avatarUrl) {
+            hasChanges = true
+            return {
+              ...session,
+              displayName: newDisplayName,
+              avatarUrl: newAvatarUrl
+            }
+          }
+        }
+        return session
+      })
+
+      if (hasChanges) {
+        const updateStart = performance.now()
+        setSessions(updatedSessions)
+        lastUpdateTimeRef.current = Date.now()
+        const updateTime = performance.now() - updateStart
+        if (updateTime > 50) {
+          console.warn(`[性能监控] setSessions更新耗时: ${updateTime.toFixed(2)}ms, 更新了 ${updates.size} 个联系人`)
+        }
+      }
+
+      updates.clear()
+      contactUpdateTimerRef.current = null
+    }, 500) // 500ms 防抖，减少更新频率
+  }, [setSessions])
+
+  // 加载一批联系人信息并更新会话列表（优化：使用队列批量更新）
+  const loadContactInfoBatch = async (usernames: string[]) => {
+    const startTime = performance.now()
+    try {
+      // 在 DLL 调用前让出控制权（使用 setTimeout 0 代替 setImmediate）
+      await new Promise(resolve => setTimeout(resolve, 0))
+      
+      const dllStart = performance.now()
+      const result = await window.electronAPI.chat.enrichSessionsContactInfo(usernames)
+      const dllTime = performance.now() - dllStart
+      
+      // DLL 调用后再次让出控制权
+      await new Promise(resolve => setTimeout(resolve, 0))
+      
+      const totalTime = performance.now() - startTime
+      if (dllTime > 50 || totalTime > 100) {
+        console.warn(`[性能监控] DLL调用耗时: ${dllTime.toFixed(2)}ms, 总耗时: ${totalTime.toFixed(2)}ms, usernames: ${usernames.length}`)
+      }
+      
+      if (result.success && result.contacts) {
+        // 将更新加入队列，而不是立即更新
+        for (const [username, contact] of Object.entries(result.contacts)) {
+          contactUpdateQueueRef.current.set(username, contact)
+        }
+        // 触发批量更新
+        flushContactUpdates()
+      }
+    } catch (e) {
+      console.error('加载联系人信息批次失败:', e)
+    }
+  }
+
  // 刷新会话列表
  const handleRefresh = async () => {
    await loadSessions({ silent: true })
@@ -326,6 +707,10 @@ function ChatPage(_props: ChatPageProps) {
  // 搜索过滤
  const handleSearch = (keyword: string) => {
    setSearchKeyword(keyword)
+    if (!Array.isArray(sessions)) {
+      setFilteredSessions([])
+      return
+    }
    if (!keyword.trim()) {
      setFilteredSessions(sessions)
      return
@@ -342,13 +727,22 @@ function ChatPage(_props: ChatPageProps) {
  // 关闭搜索框
  const handleCloseSearch = () => {
    setSearchKeyword('')
-    setFilteredSessions(sessions)
+    setFilteredSessions(Array.isArray(sessions) ? sessions : [])
  }

-  // 滚动加载更多 + 显示/隐藏回到底部按钮
+  // 滚动加载更多 + 显示/隐藏回到底部按钮（优化：节流，避免频繁执行）
+  const scrollTimeoutRef = useRef<number | null>(null)
  const handleScroll = useCallback(() => {
    if (!messageListRef.current) return

+    // 节流：延迟执行，避免滚动时频繁计算
+    if (scrollTimeoutRef.current) {
+      cancelAnimationFrame(scrollTimeoutRef.current)
+    }
+
+    scrollTimeoutRef.current = requestAnimationFrame(() => {
+      if (!messageListRef.current) return
+      
      const { scrollTop, clientHeight, scrollHeight } = messageListRef.current

      // 显示回到底部按钮：距离底部超过 300px
@@ -362,7 +756,8 @@ function ChatPage(_props: ChatPageProps) {
          loadMessages(currentSessionId, currentOffset)
        }
      }
-  }, [isLoadingMore, isLoadingMessages, hasMoreMessages, currentSessionId, currentOffset])
+    })
+  }, [isLoadingMore, isLoadingMessages, hasMoreMessages, currentSessionId, currentOffset, loadMessages])

  const getMessageKey = useCallback((msg: Message): string => {
    if (msg.localId && msg.localId > 0) return `l:${msg.localId}`
@@ -384,7 +779,14 @@ function ChatPage(_props: ChatPageProps) {
  }, [])

  const mergeSessions = useCallback((nextSessions: ChatSession[]) => {
-    if (sessionsRef.current.length === 0) return nextSessions
+    // 确保输入是数组
+    if (!Array.isArray(nextSessions)) {
+      console.warn('mergeSessions: nextSessions is not an array:', nextSessions)
+      return Array.isArray(sessionsRef.current) ? sessionsRef.current : []
+    }
+    if (!Array.isArray(sessionsRef.current) || sessionsRef.current.length === 0) {
+      return nextSessions
+    }
    const prevMap = new Map(sessionsRef.current.map((s) => [s.username, s]))
    return nextSessions.map((next) => {
      const prev = prevMap.get(next.username)
@@ -440,6 +842,20 @@ function ChatPage(_props: ChatPageProps) {
    if (!isConnected && !isConnecting) {
      connect()
    }
+    
+    // 组件卸载时清理
+    return () => {
+      avatarLoadQueue.clear()
+      if (contactUpdateTimerRef.current) {
+        clearTimeout(contactUpdateTimerRef.current)
+      }
+      if (sessionScrollTimeoutRef.current) {
+        clearTimeout(sessionScrollTimeoutRef.current)
+      }
+      contactUpdateQueueRef.current.clear()
+      enrichCancelledRef.current = true
+      isEnrichingRef.current = false
+    }
  }, [])

  useEffect(() => {
@@ -496,14 +912,16 @@ function ChatPage(_props: ChatPageProps) {

  useEffect(() => {
    const nextMap = new Map<string, ChatSession>()
+    if (Array.isArray(sessions)) {
      for (const session of sessions) {
        nextMap.set(session.username, session)
      }
+    }
    sessionMapRef.current = nextMap
  }, [sessions])

  useEffect(() => {
-    sessionsRef.current = sessions
+    sessionsRef.current = Array.isArray(sessions) ? sessions : []
  }, [sessions])

  useEffect(() => {
@@ -511,6 +929,53 @@ function ChatPage(_props: ChatPageProps) {
    isLoadingMoreRef.current = isLoadingMore
  }, [isLoadingMessages, isLoadingMore])

+  useEffect(() => {
+    if (initialRevealTimerRef.current !== null) {
+      window.clearTimeout(initialRevealTimerRef.current)
+      initialRevealTimerRef.current = null
+    }
+    if (!isLoadingMessages) {
+      if (messages.length === 0) {
+        setHasInitialMessages(true)
+      } else {
+        initialRevealTimerRef.current = window.setTimeout(() => {
+          setHasInitialMessages(true)
+          initialRevealTimerRef.current = null
+        }, 120)
+      }
+    }
+  }, [isLoadingMessages, messages.length])
+
+  useEffect(() => {
+    if (currentSessionId !== prevSessionRef.current) {
+      prevSessionRef.current = currentSessionId
+      if (initialRevealTimerRef.current !== null) {
+        window.clearTimeout(initialRevealTimerRef.current)
+        initialRevealTimerRef.current = null
+      }
+      if (messages.length === 0) {
+        setHasInitialMessages(false)
+      } else if (!isLoadingMessages) {
+        setHasInitialMessages(true)
+      }
+    }
+  }, [currentSessionId, messages.length, isLoadingMessages])
+
+  useEffect(() => {
+    if (currentSessionId && messages.length === 0 && !isLoadingMessages && !isLoadingMore) {
+      loadMessages(currentSessionId, 0)
+    }
+  }, [currentSessionId, messages.length, isLoadingMessages, isLoadingMore])
+
+  useEffect(() => {
+    return () => {
+      if (initialRevealTimerRef.current !== null) {
+        window.clearTimeout(initialRevealTimerRef.current)
+        initialRevealTimerRef.current = null
+      }
+    }
+  }, [])
+
  useEffect(() => {
    isConnectedRef.current = isConnected
  }, [isConnected])
@@ -520,7 +985,14 @@ function ChatPage(_props: ChatPageProps) {
  }, [searchKeyword])

  useEffect(() => {
-    if (!searchKeyword.trim()) return
+    if (!Array.isArray(sessions)) {
+      setFilteredSessions([])
+      return
+    }
+    if (!searchKeyword.trim()) {
+      setFilteredSessions(sessions)
+      return
+    }
    const lower = searchKeyword.toLowerCase()
    const filtered = sessions.filter(s =>
      s.displayName?.toLowerCase().includes(lower) ||
@@ -531,8 +1003,8 @@ function ChatPage(_props: ChatPageProps) {
  }, [sessions, searchKeyword, setFilteredSessions])


-  // 格式化会话时间（相对时间）- 与原项目一致
-  const formatSessionTime = (timestamp: number): string => {
+  // 格式化会话时间（相对时间）- 使用 useMemo 缓存，避免每次渲染都计算
+  const formatSessionTime = useCallback((timestamp: number): string => {
    if (!Number.isFinite(timestamp) || timestamp <= 0) return ''

    const now = Date.now()
@@ -555,10 +1027,10 @@ function ChatPage(_props: ChatPageProps) {
    }

    return `${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()}`
-  }
+  }, [])

  // 获取当前会话信息
-  const currentSession = sessions.find(s => s.username === currentSessionId)
+  const currentSession = Array.isArray(sessions) ? sessions.find(s => s.username === currentSessionId) : undefined

  // 判断是否为群聊
  const isGroupChat = (username: string) => username.includes('@chatroom')
@@ -641,30 +1113,31 @@ function ChatPage(_props: ChatPageProps) {
              </div>
            ))}
          </div>
-        ) : filteredSessions.length > 0 ? (
-          <div className="session-list">
-            {filteredSessions.map(session => (
+        ) : Array.isArray(filteredSessions) && filteredSessions.length > 0 ? (
          <div 
-                key={session.username}
-                className={`session-item ${currentSessionId === session.username ? 'active' : ''}`}
-                onClick={() => handleSelectSession(session)}
+            className="session-list"
+            ref={sessionListRef}
+            onScroll={() => {
+              // 标记正在滚动，暂停联系人信息加载
+              isScrollingRef.current = true
+              if (sessionScrollTimeoutRef.current) {
+                clearTimeout(sessionScrollTimeoutRef.current)
+              }
+              // 滚动结束后200ms才认为滚动停止
+              sessionScrollTimeoutRef.current = window.setTimeout(() => {
+                isScrollingRef.current = false
+                sessionScrollTimeoutRef.current = null
+              }, 200)
+            }}
          >
-                <SessionAvatar session={session} size={48} />
-                <div className="session-info">
-                  <div className="session-top">
-                    <span className="session-name">{session.displayName || session.username}</span>
-                    <span className="session-time">{formatSessionTime(session.lastTimestamp || session.sortTimestamp)}</span>
-                  </div>
-                  <div className="session-bottom">
-                    <span className="session-summary">{session.summary || '暂无消息'}</span>
-                    {session.unreadCount > 0 && (
-                      <span className="unread-badge">
-                        {session.unreadCount > 99 ? '99+' : session.unreadCount}
-                      </span>
-                    )}
-                  </div>
-                </div>
-              </div>
+            {filteredSessions.map(session => (
+              <SessionItem
+                key={session.username}
+                session={session}
+                isActive={currentSessionId === session.username}
+                onSelect={handleSelectSession}
+                formatTime={formatSessionTime}
+              />
            ))}
          </div>
        ) : (
@@ -710,15 +1183,15 @@ function ChatPage(_props: ChatPageProps) {
              </div>
            </div>

-            <div className="message-content-wrapper">
-              {isLoadingMessages ? (
-                <div className="loading-messages">
+            <div className={`message-content-wrapper ${hasInitialMessages ? 'loaded' : 'loading'}`}>
+              {isLoadingMessages && !hasInitialMessages && (
+                <div className="loading-messages loading-overlay">
                  <Loader2 size={24} />
                  <span>加载消息中...</span>
                </div>
-              ) : (
+              )}
              <div
-                  className="message-list"
+                className={`message-list ${hasInitialMessages ? 'loaded' : 'loading'}`}
                ref={messageListRef}
                onScroll={handleScroll}
              >
@@ -772,7 +1245,6 @@ function ChatPage(_props: ChatPageProps) {
                    <span>回到底部</span>
                  </div>
                </div>
-              )}

              {/* 会话详情面板 */}
              {showDetailPanel && (
--- a/src/pages/ExportPage.scss
+++ b/src/pages/ExportPage.scss
@@ -379,29 +379,21 @@
    border-radius: 10px;
    font-size: 14px;
    color: var(--text-primary);
+    cursor: pointer;
+    transition: all 0.2s;
+
+    &:hover {
+      background: var(--bg-hover);
+    }

    svg {
      color: var(--text-tertiary);
+      flex-shrink: 0;
    }

    span {
      flex: 1;
    }
-
-    .change-btn {
-      background: none;
-      border: none;
-      padding: 4px;
-      cursor: pointer;
-      color: var(--text-tertiary);
-      display: flex;
-      align-items: center;
-      justify-content: center;
-
-      &:hover {
-        color: var(--text-primary);
-      }
-    }
  }

  .media-options {
@@ -471,6 +463,43 @@
    margin: 8px 0 0;
  }

+  .select-folder-btn {
+    width: 100%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    gap: 8px;
+    padding: 10px 16px;
+    margin-top: 12px;
+    background: var(--bg-secondary);
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+    font-size: 13px;
+    font-weight: 500;
+    color: var(--text-primary);
+    cursor: pointer;
+    transition: all 0.2s;
+
+    &:hover {
+      background: var(--bg-hover);
+      border-color: var(--primary);
+      color: var(--primary);
+
+      svg {
+        color: var(--primary);
+      }
+    }
+
+    &:active {
+      transform: scale(0.98);
+    }
+
+    svg {
+      color: var(--text-secondary);
+      transition: color 0.2s;
+    }
+  }
+
  .export-action {
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
@@ -649,9 +678,245 @@
      }
    }
  }
+
+  .date-picker-modal {
+    background: var(--card-bg);
+    padding: 28px 32px;
+    border-radius: 16px;
+    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
+    min-width: 420px;
+    max-width: 500px;
+
+    h3 {
+      font-size: 18px;
+      font-weight: 600;
+      color: var(--text-primary);
+      margin: 0 0 20px;
+    }
+
+    .quick-select {
+      display: flex;
+      gap: 8px;
+      margin-bottom: 20px;
+
+      .quick-btn {
+        flex: 1;
+        padding: 10px 12px;
+        background: var(--bg-secondary);
+        border: 1px solid var(--border-color);
+        border-radius: 8px;
+        font-size: 13px;
+        font-weight: 500;
+        color: var(--text-primary);
+        cursor: pointer;
+        transition: all 0.2s;
+
+        &:hover {
+          background: var(--bg-hover);
+          border-color: var(--primary);
+          color: var(--primary);
+        }
+
+        &:active {
+          transform: scale(0.98);
+        }
+      }
+    }
+
+    .date-display {
+      display: flex;
+      align-items: center;
+      gap: 16px;
+      padding: 20px;
+      background: var(--bg-secondary);
+      border-radius: 12px;
+      margin-bottom: 24px;
+
+      .date-display-item {
+        flex: 1;
+        display: flex;
+        flex-direction: column;
+        gap: 6px;
+        padding: 8px 12px;
+        border-radius: 8px;
+        cursor: pointer;
+        transition: all 0.2s;
+
+        &:hover {
+          background: rgba(var(--primary-rgb), 0.05);
+        }
+
+        &.active {
+          background: rgba(var(--primary-rgb), 0.1);
+          border: 1px solid var(--primary);
+        }
+
+        .date-label {
+          font-size: 12px;
+          color: var(--text-tertiary);
+          font-weight: 500;
+        }
+
+        .date-value {
+          font-size: 15px;
+          color: var(--text-primary);
+          font-weight: 600;
+        }
+      }
+
+      .date-separator {
+        font-size: 14px;
+        color: var(--text-tertiary);
+        padding: 0 4px;
+      }
+    }
+
+    .calendar-container {
+      margin-bottom: 20px;
+    }
+
+    .calendar-header {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      margin-bottom: 16px;
+      padding: 0 4px;
+
+      .calendar-nav-btn {
+        width: 32px;
+        height: 32px;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        background: var(--bg-secondary);
+        border: 1px solid var(--border-color);
+        border-radius: 8px;
+        cursor: pointer;
+        color: var(--text-secondary);
+        transition: all 0.2s;
+
+        &:hover {
+          background: var(--bg-hover);
+          border-color: var(--primary);
+          color: var(--primary);
+        }
+
+        &:active {
+          transform: scale(0.95);
+        }
+      }
+
+      .calendar-month {
+        font-size: 15px;
+        font-weight: 600;
+        color: var(--text-primary);
+      }
+    }
+
+    .calendar-weekdays {
+      display: grid;
+      grid-template-columns: repeat(7, 1fr);
+      gap: 4px;
+      margin-bottom: 8px;
+
+      .calendar-weekday {
+        text-align: center;
+        font-size: 12px;
+        font-weight: 500;
+        color: var(--text-tertiary);
+        padding: 8px 0;
+      }
+    }
+
+    .calendar-days {
+      display: grid;
+      grid-template-columns: repeat(7, 1fr);
+      gap: 4px;
+
+      .calendar-day {
+        aspect-ratio: 1;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        font-size: 14px;
+        color: var(--text-primary);
+        border-radius: 8px;
+        cursor: pointer;
+        transition: all 0.2s;
+        position: relative;
+
+        &.empty {
+          cursor: default;
+        }
+
+        &:not(.empty):hover {
+          background: var(--bg-hover);
+        }
+
+        &.in-range {
+          background: rgba(var(--primary-rgb), 0.08);
+        }
+
+        &.start,
+        &.end {
+          background: var(--primary);
+          color: #fff;
+          font-weight: 600;
+
+          &:hover {
+            background: var(--primary-hover);
+          }
+        }
+      }
+    }
+
+    .date-picker-actions {
+      display: flex;
+      gap: 12px;
+      justify-content: flex-end;
+
+      button {
+        padding: 10px 20px;
+        border-radius: 8px;
+        font-size: 14px;
+        font-weight: 500;
+        cursor: pointer;
+        transition: all 0.2s;
+
+        &:active {
+          transform: scale(0.98);
+        }
+      }
+
+      .cancel-btn {
+        background: var(--bg-secondary);
+        color: var(--text-primary);
+        border: 1px solid var(--border-color);
+
+        &:hover {
+          background: var(--bg-hover);
+        }
+      }
+
+      .confirm-btn {
+        background: var(--primary);
+        color: #fff;
+        border: none;
+
+        &:hover {
+          background: var(--primary-hover);
+        }
+      }
+    }
+  }
 }

@keyframes exportSpin {
-  from { transform: rotate(0deg); }
-  to { transform: rotate(360deg); }
+  from {
+    transform: rotate(0deg);
+  }
+
+  to {
+    transform: rotate(360deg);
+  }
 }
--- a/src/pages/ExportPage.tsx
+++ b/src/pages/ExportPage.tsx
@@ -1,5 +1,5 @@
 import { useState, useEffect, useCallback } from 'react'
-import { Search, Download, FolderOpen, RefreshCw, Check, Calendar, FileJson, FileText, Table, Loader2, X, ChevronDown, FileSpreadsheet, Database, FileCode, CheckCircle, XCircle, ExternalLink } from 'lucide-react'
+import { Search, Download, FolderOpen, RefreshCw, Check, Calendar, FileJson, FileText, Table, Loader2, X, ChevronDown, ChevronLeft, ChevronRight, FileSpreadsheet, Database, FileCode, CheckCircle, XCircle, ExternalLink } from 'lucide-react'
 import * as configService from '../services/config'
 import './ExportPage.scss'

@@ -15,6 +15,7 @@ interface ExportOptions {
  format: 'chatlab' | 'chatlab-jsonl' | 'json' | 'html' | 'txt' | 'excel' | 'sql'
  dateRange: { start: Date; end: Date } | null
  useAllTime: boolean
+  exportAvatars: boolean
 }

 interface ExportResult {
@@ -34,6 +35,9 @@ function ExportPage() {
  const [isExporting, setIsExporting] = useState(false)
  const [exportProgress, setExportProgress] = useState({ current: 0, total: 0, currentName: '' })
  const [exportResult, setExportResult] = useState<ExportResult | null>(null)
+  const [showDatePicker, setShowDatePicker] = useState(false)
+  const [calendarDate, setCalendarDate] = useState(new Date())
+  const [selectingStart, setSelectingStart] = useState(true)

  const [options, setOptions] = useState<ExportOptions>({
    format: 'chatlab',
@@ -41,7 +45,8 @@ function ExportPage() {
      start: new Date(Date.now() - 7 * 24 * 60 * 60 * 1000),
      end: new Date()
    },
-    useAllTime: true
+    useAllTime: true,
+    exportAvatars: true
  })

  const loadSessions = useCallback(async () => {
@@ -140,9 +145,11 @@ function ExportPage() {
      const sessionList = Array.from(selectedSessions)
      const exportOptions = {
        format: options.format,
+        exportAvatars: options.exportAvatars,
        dateRange: options.useAllTime ? null : options.dateRange ? {
          start: Math.floor(options.dateRange.start.getTime() / 1000),
-          end: Math.floor(options.dateRange.end.getTime() / 1000)
+          // 将结束日期设置为当天的 23:59:59,以包含当天的所有消息
+          end: Math.floor(new Date(options.dateRange.end.getFullYear(), options.dateRange.end.getMonth(), options.dateRange.end.getDate(), 23, 59, 59).getTime() / 1000)
        } : null
      }

@@ -164,6 +171,54 @@ function ExportPage() {
    }
  }

+  const getDaysInMonth = (date: Date) => {
+    const year = date.getFullYear()
+    const month = date.getMonth()
+    return new Date(year, month + 1, 0).getDate()
+  }
+
+  const getFirstDayOfMonth = (date: Date) => {
+    const year = date.getFullYear()
+    const month = date.getMonth()
+    return new Date(year, month, 1).getDay()
+  }
+
+  const generateCalendar = () => {
+    const daysInMonth = getDaysInMonth(calendarDate)
+    const firstDay = getFirstDayOfMonth(calendarDate)
+    const days: (number | null)[] = []
+
+    for (let i = 0; i < firstDay; i++) {
+      days.push(null)
+    }
+
+    for (let i = 1; i <= daysInMonth; i++) {
+      days.push(i)
+    }
+
+    return days
+  }
+
+  const handleDateSelect = (day: number) => {
+    const year = calendarDate.getFullYear()
+    const month = calendarDate.getMonth()
+    const selectedDate = new Date(year, month, day)
+
+    if (selectingStart) {
+      setOptions({
+        ...options,
+        dateRange: options.dateRange ? { ...options.dateRange, start: selectedDate } : { start: selectedDate, end: new Date() }
+      })
+      setSelectingStart(false)
+    } else {
+      setOptions({
+        ...options,
+        dateRange: options.dateRange ? { ...options.dateRange, end: selectedDate } : { start: new Date(), end: selectedDate }
+      })
+      setSelectingStart(true)
+    }
+  }
+
  const formatOptions = [
    { value: 'chatlab', label: 'ChatLab', icon: FileCode, desc: '标准格式，支持其他软件导入' },
    { value: 'chatlab-jsonl', label: 'ChatLab JSONL', icon: FileCode, desc: '流式格式，适合大量消息' },
@@ -278,24 +333,55 @@ function ExportPage() {
                <span>导出全部时间</span>
              </label>
              {!options.useAllTime && options.dateRange && (
-                <div className="date-range">
+                <div className="date-range" onClick={() => setShowDatePicker(true)}>
                  <Calendar size={16} />
                  <span>{formatDate(options.dateRange.start)} - {formatDate(options.dateRange.end)}</span>
-                  <button className="change-btn">
                  <ChevronDown size={14} />
-                  </button>
                </div>
              )}
            </div>
          </div>

+          <div className="setting-section">
+            <h3>导出头像</h3>
+            <div className="time-options">
+              <label className="checkbox-item">
+                <input
+                  type="checkbox"
+                  checked={options.exportAvatars}
+                  onChange={e => setOptions({ ...options, exportAvatars: e.target.checked })}
+                />
+                <span>导出头像图片</span>
+              </label>
+            </div>
+          </div>
+
          <div className="setting-section">
            <h3>导出位置</h3>
            <div className="export-path-display">
              <FolderOpen size={16} />
              <span>{exportFolder || '未设置'}</span>
            </div>
-            <p className="path-hint">可在设置页面修改导出目录</p>
+            <button
+              className="select-folder-btn"
+              onClick={async () => {
+                try {
+                  const result = await window.electronAPI.dialog.openFile({
+                    title: '选择导出目录',
+                    properties: ['openDirectory']
+                  })
+                  if (!result.canceled && result.filePaths.length > 0) {
+                    setExportFolder(result.filePaths[0])
+                    await configService.setExportPath(result.filePaths[0])
+                  }
+                } catch (e) {
+                  console.error('选择目录失败:', e)
+                }
+              }}
+            >
+              <FolderOpen size={16} />
+              <span>选择导出目录</span>
+            </button>
          </div>
        </div>

@@ -370,6 +456,130 @@ function ExportPage() {
          </div>
        </div>
      )}
+
+      {/* 日期选择弹窗 */}
+      {showDatePicker && (
+        <div className="export-overlay" onClick={() => setShowDatePicker(false)}>
+          <div className="date-picker-modal" onClick={e => e.stopPropagation()}>
+            <h3>选择时间范围</h3>
+            <div className="quick-select">
+              <button
+                className="quick-btn"
+                onClick={() => {
+                  const end = new Date()
+                  const start = new Date(end.getTime() - 7 * 24 * 60 * 60 * 1000)
+                  setOptions({ ...options, dateRange: { start, end } })
+                }}
+              >
+                最近7天
+              </button>
+              <button
+                className="quick-btn"
+                onClick={() => {
+                  const end = new Date()
+                  const start = new Date(end.getTime() - 30 * 24 * 60 * 60 * 1000)
+                  setOptions({ ...options, dateRange: { start, end } })
+                }}
+              >
+                最近30天
+              </button>
+              <button
+                className="quick-btn"
+                onClick={() => {
+                  const end = new Date()
+                  const start = new Date(end.getTime() - 90 * 24 * 60 * 60 * 1000)
+                  setOptions({ ...options, dateRange: { start, end } })
+                }}
+              >
+                最近90天
+              </button>
+            </div>
+            <div className="date-display">
+              <div
+                className={`date-display-item ${selectingStart ? 'active' : ''}`}
+                onClick={() => setSelectingStart(true)}
+              >
+                <span className="date-label">开始日期</span>
+                <span className="date-value">
+                  {options.dateRange?.start.toLocaleDateString('zh-CN', {
+                    year: 'numeric',
+                    month: '2-digit',
+                    day: '2-digit'
+                  })}
+                </span>
+              </div>
+              <span className="date-separator">至</span>
+              <div
+                className={`date-display-item ${!selectingStart ? 'active' : ''}`}
+                onClick={() => setSelectingStart(false)}
+              >
+                <span className="date-label">结束日期</span>
+                <span className="date-value">
+                  {options.dateRange?.end.toLocaleDateString('zh-CN', {
+                    year: 'numeric',
+                    month: '2-digit',
+                    day: '2-digit'
+                  })}
+                </span>
+              </div>
+            </div>
+            <div className="calendar-container">
+              <div className="calendar-header">
+                <button
+                  className="calendar-nav-btn"
+                  onClick={() => setCalendarDate(new Date(calendarDate.getFullYear(), calendarDate.getMonth() - 1, 1))}
+                >
+                  <ChevronLeft size={18} />
+                </button>
+                <span className="calendar-month">
+                  {calendarDate.getFullYear()}年{calendarDate.getMonth() + 1}月
+                </span>
+                <button
+                  className="calendar-nav-btn"
+                  onClick={() => setCalendarDate(new Date(calendarDate.getFullYear(), calendarDate.getMonth() + 1, 1))}
+                >
+                  <ChevronRight size={18} />
+                </button>
+              </div>
+              <div className="calendar-weekdays">
+                {['日', '一', '二', '三', '四', '五', '六'].map(day => (
+                  <div key={day} className="calendar-weekday">{day}</div>
+                ))}
+              </div>
+              <div className="calendar-days">
+                {generateCalendar().map((day, index) => {
+                  if (day === null) {
+                    return <div key={`empty-${index}`} className="calendar-day empty" />
+                  }
+
+                  const currentDate = new Date(calendarDate.getFullYear(), calendarDate.getMonth(), day)
+                  const isStart = options.dateRange?.start.toDateString() === currentDate.toDateString()
+                  const isEnd = options.dateRange?.end.toDateString() === currentDate.toDateString()
+                  const isInRange = options.dateRange && currentDate >= options.dateRange.start && currentDate <= options.dateRange.end
+
+                  return (
+                    <div
+                      key={day}
+                      className={`calendar-day ${isStart ? 'start' : ''} ${isEnd ? 'end' : ''} ${isInRange ? 'in-range' : ''}`}
+                      onClick={() => handleDateSelect(day)}
+                    >
+                      {day}
+                    </div>
+                  )
+                })}
+              </div>
+            </div>
+            <div className="date-picker-actions">
+              <button className="cancel-btn" onClick={() => setShowDatePicker(false)}>
+                取消
+              </button>
+              <button className="confirm-btn" onClick={() => setShowDatePicker(false)}>
+                确定
+              </button>
+            </div>
+          </div>
+        </div>
+      )}
    </div>
  )
 }
--- a/src/pages/SettingsPage.tsx
+++ b/src/pages/SettingsPage.tsx
@@ -10,12 +10,11 @@ import {
 } from 'lucide-react'
 import './SettingsPage.scss'

-type SettingsTab = 'appearance' | 'database' | 'export' | 'cache' | 'about'
+type SettingsTab = 'appearance' | 'database' | 'cache' | 'about'

 const tabs: { id: SettingsTab; label: string; icon: React.ElementType }[] = [
  { id: 'appearance', label: '外观', icon: Palette },
  { id: 'database', label: '数据库连接', icon: Database },
-  { id: 'export', label: '导出', icon: Download },
  { id: 'cache', label: '缓存', icon: HardDrive },
  { id: 'about', label: '关于', icon: Info }
 ]
@@ -31,8 +30,6 @@ function SettingsPage() {
  const [dbPath, setDbPath] = useState('')
  const [wxid, setWxid] = useState('')
  const [cachePath, setCachePath] = useState('')
-  const [exportPath, setExportPath] = useState('')
-  const [defaultExportPath, setDefaultExportPath] = useState('')
  const [logEnabled, setLogEnabled] = useState(false)

  const [isLoading, setIsLoadingState] = useState(false)
@@ -53,7 +50,6 @@ function SettingsPage() {

  useEffect(() => {
    loadConfig()
-    loadDefaultExportPath()
    loadAppVersion()
  }, [])

@@ -85,7 +81,6 @@ function SettingsPage() {
      if (savedPath) setDbPath(savedPath)
      if (savedWxid) setWxid(savedWxid)
      if (savedCachePath) setCachePath(savedCachePath)
-      if (savedExportPath) setExportPath(savedExportPath)
      if (savedImageXorKey != null) {
        setImageXorKey(`0x${savedImageXorKey.toString(16).toUpperCase().padStart(2, '0')}`)
      }
@@ -96,14 +91,7 @@ function SettingsPage() {
    }
  }

-  const loadDefaultExportPath = async () => {
-    try {
-      const downloadsPath = await window.electronAPI.app.getDownloadsPath()
-      setDefaultExportPath(downloadsPath)
-    } catch (e) {
-      console.error('获取默认导出路径失败:', e)
-    }
-  }
+

  const loadAppVersion = async () => {
    try {
@@ -230,18 +218,7 @@ function SettingsPage() {
    }
  }

-  const handleSelectExportPath = async () => {
-    try {
-      const result = await dialog.openFile({ title: '选择导出目录', properties: ['openDirectory'] })
-      if (!result.canceled && result.filePaths.length > 0) {
-        setExportPath(result.filePaths[0])
-        await configService.setExportPath(result.filePaths[0])
-        showMessage('已设置导出目录', true)
-      }
-    } catch (e) {
-      showMessage('选择目录失败', false)
-    }
-  }
+

  const handleAutoGetDbKey = async () => {
    if (isFetchingDbKey) return
@@ -303,16 +280,7 @@ function SettingsPage() {
    }
  }

-  const handleResetExportPath = async () => {
-    try {
-      const downloadsPath = await window.electronAPI.app.getDownloadsPath()
-      setExportPath(downloadsPath)
-      await configService.setExportPath(downloadsPath)
-      showMessage('已恢复为下载目录', true)
-    } catch (e) {
-      showMessage('恢复默认失败', false)
-    }
-  }
+

  const handleTestConnection = async () => {
    if (!dbPath) { showMessage('请先选择数据库目录', false); return }
@@ -396,7 +364,6 @@ function SettingsPage() {
      setDbPath('')
      setWxid('')
      setCachePath('')
-      setExportPath('')
      setLogEnabled(false)
      setDbConnected(false)
      await window.electronAPI.window.openOnboardingWindow()
@@ -562,19 +529,7 @@ function SettingsPage() {
    </div>
  )

-  const renderExportTab = () => (
-    <div className="tab-content">
-      <div className="form-group">
-        <label>导出目录</label>
-        <span className="form-hint">聊天记录导出的默认保存位置</span>
-        <input type="text" placeholder={defaultExportPath || '系统下载目录'} value={exportPath || defaultExportPath} onChange={(e) => setExportPath(e.target.value)} />
-        <div className="btn-row">
-          <button className="btn btn-secondary" onClick={handleSelectExportPath}><FolderOpen size={16} /> 浏览选择</button>
-          <button className="btn btn-secondary" onClick={handleResetExportPath}><RotateCcw size={16} /> 恢复默认</button>
-        </div>
-      </div>
-    </div>
-  )
+

  const renderCacheTab = () => (
    <div className="tab-content">
@@ -672,7 +627,6 @@ function SettingsPage() {
      <div className="settings-body">
        {activeTab === 'appearance' && renderAppearanceTab()}
        {activeTab === 'database' && renderDatabaseTab()}
-        {activeTab === 'export' && renderExportTab()}
        {activeTab === 'cache' && renderCacheTab()}
        {activeTab === 'about' && renderAboutTab()}
      </div>
--- a/src/types/electron.d.ts
+++ b/src/types/electron.d.ts
@@ -55,6 +55,11 @@ export interface ElectronAPI {
  chat: {
    connect: () => Promise<{ success: boolean; error?: string }>
    getSessions: () => Promise<{ success: boolean; sessions?: ChatSession[]; error?: string }>
+    enrichSessionsContactInfo: (usernames: string[]) => Promise<{
+      success: boolean
+      contacts?: Record<string, { displayName?: string; avatarUrl?: string }>
+      error?: string
+    }>
    getMessages: (sessionId: string, offset?: number, limit?: number) => Promise<{
      success: boolean;
      messages?: Message[];