diff --git a/.gitignore b/.gitignore
index 8b7210e..c424a77 100644
--- a/.gitignore
+++ b/.gitignore
@@ -59,4 +59,5 @@ wcdb/
 *info
 概述.md
 chatlab-format.md
-*.bak
\ No newline at end of file
+*.bak
+AGENTS.md
\ No newline at end of file
diff --git a/electron/main.ts b/electron/main.ts
index ebfd428..1e0de48 100644
--- a/electron/main.ts
+++ b/electron/main.ts
@@ -985,8 +985,8 @@ function registerIpcHandlers() {
     return analyticsService.getOverallStatistics(force)
   })
 
-  ipcMain.handle('analytics:getContactRankings', async (_, limit?: number) => {
-    return analyticsService.getContactRankings(limit)
+  ipcMain.handle('analytics:getContactRankings', async (_, limit?: number, beginTimestamp?: number, endTimestamp?: number) => {
+    return analyticsService.getContactRankings(limit, beginTimestamp, endTimestamp)
   })
 
   ipcMain.handle('analytics:getTimeDistribution', async () => {
diff --git a/electron/preload.ts b/electron/preload.ts
index b6a8559..29d3829 100644
--- a/electron/preload.ts
+++ b/electron/preload.ts
@@ -189,7 +189,8 @@ contextBridge.exposeInMainWorld('electronAPI', {
   // 数据分析
   analytics: {
     getOverallStatistics: (force?: boolean) => ipcRenderer.invoke('analytics:getOverallStatistics', force),
-    getContactRankings: (limit?: number) => ipcRenderer.invoke('analytics:getContactRankings', limit),
+    getContactRankings: (limit?: number, beginTimestamp?: number, endTimestamp?: number) =>
+      ipcRenderer.invoke('analytics:getContactRankings', limit, beginTimestamp, endTimestamp),
     getTimeDistribution: () => ipcRenderer.invoke('analytics:getTimeDistribution'),
     getExcludedUsernames: () => ipcRenderer.invoke('analytics:getExcludedUsernames'),
     setExcludedUsernames: (usernames: string[]) => ipcRenderer.invoke('analytics:setExcludedUsernames', usernames),
diff --git a/electron/services/analyticsService.ts b/electron/services/analyticsService.ts
index 8c04476..80a7169 100644
--- a/electron/services/analyticsService.ts
+++ b/electron/services/analyticsService.ts
@@ -31,6 +31,7 @@ export interface ContactRanking {
   username: string
   displayName: string
   avatarUrl?: string
+  wechatId?: string
   messageCount: number
   sentCount: number
   receivedCount: number
@@ -576,7 +577,11 @@ class AnalyticsService {
     }
   }
 
-  async getContactRankings(limit: number = 20): Promise<{ success: boolean; data?: ContactRanking[]; error?: string }> {
+  async getContactRankings(
+    limit: number = 20,
+    beginTimestamp: number = 0,
+    endTimestamp: number = 0
+  ): Promise<{ success: boolean; data?: ContactRanking[]; error?: string }> {
     try {
       const conn = await this.ensureConnected()
       if (!conn.success || !conn.cleanedWxid) return { success: false, error: conn.error }
@@ -586,7 +591,7 @@ class AnalyticsService {
         return { success: false, error: '未找到消息会话' }
       }
 
-      const result = await this.getAggregateWithFallback(sessionInfo.usernames, 0, 0)
+      const result = await this.getAggregateWithFallback(sessionInfo.usernames, beginTimestamp, endTimestamp)
       if (!result.success || !result.data) {
         return { success: false, error: result.error || '聚合统计失败' }
       }
@@ -594,9 +599,10 @@ class AnalyticsService {
       const d = result.data
       const sessions = this.normalizeAggregateSessions(d.sessions, d.idMap)
       const usernames = Object.keys(sessions)
-      const [displayNames, avatarUrls] = await Promise.all([
+      const [displayNames, avatarUrls, aliasMap] = await Promise.all([
         wcdbService.getDisplayNames(usernames),
-        wcdbService.getAvatarUrls(usernames)
+        wcdbService.getAvatarUrls(usernames),
+        this.getAliasMap(usernames)
       ])
 
       const rankings: ContactRanking[] = usernames
@@ -608,10 +614,13 @@ class AnalyticsService {
           const avatarUrl = avatarUrls.success && avatarUrls.map
             ? avatarUrls.map[username]
             : undefined
+          const alias = aliasMap[username] || ''
+          const wechatId = alias || (!username.startsWith('wxid_') ? username : '')
           return {
             username,
             displayName,
             avatarUrl,
+            wechatId,
             messageCount: stat.total,
             sentCount: stat.sent,
             receivedCount: stat.received,
diff --git a/electron/services/dualReportService.ts b/electron/services/dualReportService.ts
index e395412..5e3b21a 100644
--- a/electron/services/dualReportService.ts
+++ b/electron/services/dualReportService.ts
@@ -26,13 +26,17 @@ export interface DualReportStats {
   friendTopEmojiMd5?: string
   myTopEmojiUrl?: string
   friendTopEmojiUrl?: string
+  myTopEmojiCount?: number
+  friendTopEmojiCount?: number
 }
 
 export interface DualReportData {
   year: number
   selfName: string
+  selfAvatarUrl?: string
   friendUsername: string
   friendName: string
+  friendAvatarUrl?: string
   firstChat: DualReportFirstChat | null
   firstChatMessages?: DualReportMessage[]
   yearFirstChat?: {
@@ -173,26 +177,258 @@ class DualReportService {
     return `${month}/${day} ${hour}:${minute}`
   }
 
-  private extractEmojiUrl(content: string): string | undefined {
-    if (!content) return undefined
-    const attrMatch = /cdnurl\s*=\s*['"]([^'"]+)['"]/i.exec(content)
-    if (attrMatch) {
-      let url = attrMatch[1].replace(/&amp;/g, '&')
-      try {
-        if (url.includes('%')) {
-          url = decodeURIComponent(url)
-        }
-      } catch { }
-      return url
+  private getRecordField(record: Record<string, any> | undefined | null, keys: string[]): any {
+    if (!record) return undefined
+    for (const key of keys) {
+      if (Object.prototype.hasOwnProperty.call(record, key) && record[key] !== undefined && record[key] !== null) {
+        return record[key]
+      }
     }
-    const tagMatch = /cdnurl[^>]*>([^<]+)/i.exec(content)
-    return tagMatch?.[1]
+    return undefined
   }
 
-  private extractEmojiMd5(content: string): string | undefined {
+  private coerceNumber(raw: any): number {
+    if (raw === undefined || raw === null || raw === '') return NaN
+    if (typeof raw === 'number') return raw
+    if (typeof raw === 'bigint') return Number(raw)
+    if (Buffer.isBuffer(raw)) return parseInt(raw.toString('utf-8'), 10)
+    if (raw instanceof Uint8Array) return parseInt(Buffer.from(raw).toString('utf-8'), 10)
+    const parsed = parseInt(String(raw), 10)
+    return Number.isFinite(parsed) ? parsed : NaN
+  }
+
+  private coerceString(raw: any): string {
+    if (raw === undefined || raw === null) return ''
+    if (typeof raw === 'string') return raw
+    if (Buffer.isBuffer(raw)) return this.decodeBinaryContent(raw)
+    if (raw instanceof Uint8Array) return this.decodeBinaryContent(Buffer.from(raw))
+    return String(raw)
+  }
+
+  private coerceBoolean(raw: any): boolean | undefined {
+    if (raw === undefined || raw === null || raw === '') return undefined
+    if (typeof raw === 'boolean') return raw
+    if (typeof raw === 'number') return raw !== 0
+
+    const normalized = String(raw).trim().toLowerCase()
+    if (!normalized) return undefined
+
+    if (['1', 'true', 'yes', 'me', 'self', 'mine', 'sent', 'out', 'outgoing'].includes(normalized)) return true
+    if (['0', 'false', 'no', 'friend', 'peer', 'other', 'recv', 'received', 'in', 'incoming'].includes(normalized)) return false
+    return undefined
+  }
+
+  private normalizeEmojiMd5(raw: string): string | undefined {
+    if (!raw) return undefined
+    const trimmed = raw.trim()
+    if (!trimmed) return undefined
+    const match = /([a-fA-F0-9]{16,64})/.exec(trimmed)
+    return match ? match[1].toLowerCase() : undefined
+  }
+
+  private normalizeEmojiUrl(raw: string): string | undefined {
+    if (!raw) return undefined
+    let url = raw.trim().replace(/&amp;/g, '&')
+    if (!url) return undefined
+    try {
+      if (url.includes('%')) {
+        url = decodeURIComponent(url)
+      }
+    } catch { }
+    return url || undefined
+  }
+
+  private extractEmojiUrl(content: string | undefined): string | undefined {
     if (!content) return undefined
-    const match = /md5="([^"]+)"/i.exec(content) || /<md5>([^<]+)<\/md5>/i.exec(content)
-    return match?.[1]
+    const direct = this.normalizeEmojiUrl(content)
+    if (direct && /^https?:\/\//i.test(direct)) return direct
+
+    const attrMatch = /(?:cdnurl|thumburl)\s*=\s*['"]([^'"]+)['"]/i.exec(content)
+      || /(?:cdnurl|thumburl)\s*=\s*([^'"\s>]+)/i.exec(content)
+    if (attrMatch) return this.normalizeEmojiUrl(attrMatch[1])
+
+    const tagMatch = /<(?:cdnurl|thumburl)>([^<]+)<\/(?:cdnurl|thumburl)>/i.exec(content)
+      || /(?:cdnurl|thumburl)[^>]*>([^<]+)/i.exec(content)
+    return this.normalizeEmojiUrl(tagMatch?.[1] || '')
+  }
+
+  private extractEmojiMd5(content: string | undefined): string | undefined {
+    if (!content) return undefined
+    const direct = this.normalizeEmojiMd5(content)
+    if (direct && direct.length >= 24) return direct
+
+    const match = /md5\s*=\s*['"]([a-fA-F0-9]{16,64})['"]/i.exec(content)
+      || /md5\s*=\s*([a-fA-F0-9]{16,64})/i.exec(content)
+      || /<md5>([a-fA-F0-9]{16,64})<\/md5>/i.exec(content)
+    return this.normalizeEmojiMd5(match?.[1] || '')
+  }
+
+  private resolveEmojiOwner(item: any, content: string): boolean | undefined {
+    const sentFlag = this.coerceBoolean(this.getRecordField(item, [
+      'isMe',
+      'is_me',
+      'isSent',
+      'is_sent',
+      'isSend',
+      'is_send',
+      'fromMe',
+      'from_me'
+    ]))
+    if (sentFlag !== undefined) return sentFlag
+
+    const sideRaw = this.coerceString(this.getRecordField(item, ['side', 'sender', 'from', 'owner', 'role', 'direction'])).trim().toLowerCase()
+    if (sideRaw) {
+      if (['me', 'self', 'mine', 'out', 'outgoing', 'sent'].includes(sideRaw)) return true
+      if (['friend', 'peer', 'other', 'in', 'incoming', 'received', 'recv'].includes(sideRaw)) return false
+    }
+
+    const prefixMatch = /^\s*([01])\s*:\s*/.exec(content)
+    if (prefixMatch) return prefixMatch[1] === '1'
+    return undefined
+  }
+
+  private stripEmojiOwnerPrefix(content: string): string {
+    if (!content) return ''
+    return content.replace(/^\s*[01]\s*:\s*/, '')
+  }
+
+  private parseEmojiCandidate(item: any): { isMe?: boolean; md5?: string; url?: string; count: number } {
+    const rawContent = this.coerceString(this.getRecordField(item, [
+      'content',
+      'xml',
+      'message_content',
+      'messageContent',
+      'msg',
+      'payload',
+      'raw'
+    ]))
+    const content = this.stripEmojiOwnerPrefix(rawContent)
+
+    const countRaw = this.getRecordField(item, ['count', 'cnt', 'times', 'total', 'num'])
+    const parsedCount = this.coerceNumber(countRaw)
+    const count = Number.isFinite(parsedCount) && parsedCount > 0 ? parsedCount : 0
+
+    const directMd5 = this.normalizeEmojiMd5(this.coerceString(this.getRecordField(item, [
+      'md5',
+      'emojiMd5',
+      'emoji_md5',
+      'emd5'
+    ])))
+    const md5 = directMd5 || this.extractEmojiMd5(content)
+
+    const directUrl = this.normalizeEmojiUrl(this.coerceString(this.getRecordField(item, [
+      'cdnUrl',
+      'cdnurl',
+      'emojiUrl',
+      'emoji_url',
+      'url',
+      'thumbUrl',
+      'thumburl'
+    ])))
+    const url = directUrl || this.extractEmojiUrl(content)
+
+    return {
+      isMe: this.resolveEmojiOwner(item, rawContent),
+      md5,
+      url,
+      count
+    }
+  }
+
+  private getRowInt(row: Record<string, any>, keys: string[], fallback = 0): number {
+    const raw = this.getRecordField(row, keys)
+    const parsed = this.coerceNumber(raw)
+    return Number.isFinite(parsed) ? parsed : fallback
+  }
+
+  private decodeRowMessageContent(row: Record<string, any>): string {
+    const messageContent = this.getRecordField(row, [
+      'message_content',
+      'messageContent',
+      'content',
+      'msg_content',
+      'msgContent',
+      'WCDB_CT_message_content',
+      'WCDB_CT_messageContent'
+    ])
+    const compressContent = this.getRecordField(row, [
+      'compress_content',
+      'compressContent',
+      'compressed_content',
+      'WCDB_CT_compress_content',
+      'WCDB_CT_compressContent'
+    ])
+    return this.decodeMessageContent(messageContent, compressContent)
+  }
+
+  private async scanEmojiTopFallback(
+    sessionId: string,
+    beginTimestamp: number,
+    endTimestamp: number,
+    rawWxid: string,
+    cleanedWxid: string
+  ): Promise<{ my?: { md5: string; url?: string; count: number }; friend?: { md5: string; url?: string; count: number } }> {
+    const cursorResult = await wcdbService.openMessageCursor(sessionId, 500, true, beginTimestamp, endTimestamp)
+    if (!cursorResult.success || !cursorResult.cursor) return {}
+
+    const tallyMap = new Map<string, { isMe: boolean; md5: string; url?: string; count: number }>()
+    try {
+      let hasMore = true
+      while (hasMore) {
+        const batch = await wcdbService.fetchMessageBatch(cursorResult.cursor)
+        if (!batch.success || !Array.isArray(batch.rows)) break
+
+        for (const row of batch.rows) {
+          const localType = this.getRowInt(row, ['local_type', 'localType', 'type', 'msg_type', 'msgType', 'WCDB_CT_local_type'], 0)
+          if (localType !== 47) continue
+
+          const rawContent = this.decodeRowMessageContent(row)
+          const content = this.stripEmojiOwnerPrefix(rawContent)
+          const directMd5 = this.normalizeEmojiMd5(this.coerceString(this.getRecordField(row, ['emoji_md5', 'emojiMd5', 'md5'])))
+          const md5 = directMd5 || this.extractEmojiMd5(content)
+          if (!md5) continue
+
+          const directUrl = this.normalizeEmojiUrl(this.coerceString(this.getRecordField(row, [
+            'emoji_cdn_url',
+            'emojiCdnUrl',
+            'cdnurl',
+            'cdn_url',
+            'emoji_url',
+            'emojiUrl',
+            'url',
+            'thumburl',
+            'thumb_url'
+          ])))
+          const url = directUrl || this.extractEmojiUrl(content)
+          const isMe = this.resolveIsSent(row, rawWxid, cleanedWxid)
+          const mapKey = `${isMe ? '1' : '0'}:${md5}`
+          const existing = tallyMap.get(mapKey)
+          if (existing) {
+            existing.count += 1
+            if (!existing.url && url) existing.url = url
+          } else {
+            tallyMap.set(mapKey, { isMe, md5, url, count: 1 })
+          }
+        }
+        hasMore = batch.hasMore === true
+      }
+    } finally {
+      await wcdbService.closeMessageCursor(cursorResult.cursor)
+    }
+
+    let myTop: { md5: string; url?: string; count: number } | undefined
+    let friendTop: { md5: string; url?: string; count: number } | undefined
+    for (const entry of tallyMap.values()) {
+      if (entry.isMe) {
+        if (!myTop || entry.count > myTop.count) {
+          myTop = { md5: entry.md5, url: entry.url, count: entry.count }
+        }
+      } else if (!friendTop || entry.count > friendTop.count) {
+        friendTop = { md5: entry.md5, url: entry.url, count: entry.count }
+      }
+    }
+
+    return { my: myTop, friend: friendTop }
   }
 
   private async getDisplayName(username: string, fallback: string): Promise<string> {
@@ -276,6 +512,18 @@ class DualReportService {
       if (myName === rawWxid && cleanedWxid && cleanedWxid !== rawWxid) {
         myName = await this.getDisplayName(cleanedWxid, rawWxid)
       }
+      const avatarCandidates = Array.from(new Set([
+        friendUsername,
+        rawWxid,
+        cleanedWxid
+      ].filter(Boolean) as string[]))
+      let selfAvatarUrl: string | undefined
+      let friendAvatarUrl: string | undefined
+      const avatarResult = await wcdbService.getAvatarUrls(avatarCandidates)
+      if (avatarResult.success && avatarResult.map) {
+        selfAvatarUrl = avatarResult.map[rawWxid] || avatarResult.map[cleanedWxid]
+        friendAvatarUrl = avatarResult.map[friendUsername]
+      }
 
       this.reportProgress('获取首条聊天记录...', 15, onProgress)
       const firstRows = await this.getFirstMessages(friendUsername, 3, 0, 0)
@@ -360,37 +608,52 @@ class DualReportService {
 
       if (cppData.emojis && Array.isArray(cppData.emojis)) {
         for (const item of cppData.emojis) {
-          const rawContent = item.content || ''
-          const isMe = rawContent.startsWith('1:')
-          const content = rawContent.substring(2) // Remove "1:" or "0:" prefix
-          const count = item.count || 0
+          const candidate = this.parseEmojiCandidate(item)
+          if (!candidate.md5 || candidate.isMe === undefined || candidate.count <= 0) continue
 
-          if (isMe) {
-            if (count > myTopCount) {
-              const md5 = this.extractEmojiMd5(content)
-              if (md5) {
-                myTopCount = count
-                myTopEmojiMd5 = md5
-                myTopEmojiUrl = this.extractEmojiUrl(content)
-              }
-            }
-          } else {
-            if (count > friendTopCount) {
-              const md5 = this.extractEmojiMd5(content)
-              if (md5) {
-                friendTopCount = count
-                friendTopEmojiMd5 = md5
-                friendTopEmojiUrl = this.extractEmojiUrl(content)
-              }
+          if (candidate.isMe) {
+            if (candidate.count > myTopCount) {
+              myTopCount = candidate.count
+              myTopEmojiMd5 = candidate.md5
+              myTopEmojiUrl = candidate.url
             }
+          } else if (candidate.count > friendTopCount) {
+            friendTopCount = candidate.count
+            friendTopEmojiMd5 = candidate.md5
+            friendTopEmojiUrl = candidate.url
           }
         }
       }
 
+      const needsEmojiFallback = stats.emojiCount > 0 && (!myTopEmojiMd5 || !friendTopEmojiMd5)
+      if (needsEmojiFallback) {
+        const fallback = await this.scanEmojiTopFallback(friendUsername, startTime, endTime, rawWxid, cleanedWxid)
+
+        if (!myTopEmojiMd5 && fallback.my?.md5) {
+          myTopEmojiMd5 = fallback.my.md5
+          myTopEmojiUrl = myTopEmojiUrl || fallback.my.url
+          myTopCount = fallback.my.count
+        }
+        if (!friendTopEmojiMd5 && fallback.friend?.md5) {
+          friendTopEmojiMd5 = fallback.friend.md5
+          friendTopEmojiUrl = friendTopEmojiUrl || fallback.friend.url
+          friendTopCount = fallback.friend.count
+        }
+      }
+
+      const [myEmojiUrlResult, friendEmojiUrlResult] = await Promise.all([
+        myTopEmojiMd5 && !myTopEmojiUrl ? wcdbService.getEmoticonCdnUrl(dbPath, myTopEmojiMd5) : Promise.resolve(null),
+        friendTopEmojiMd5 && !friendTopEmojiUrl ? wcdbService.getEmoticonCdnUrl(dbPath, friendTopEmojiMd5) : Promise.resolve(null)
+      ])
+      if (myEmojiUrlResult?.success && myEmojiUrlResult.url) myTopEmojiUrl = myEmojiUrlResult.url
+      if (friendEmojiUrlResult?.success && friendEmojiUrlResult.url) friendTopEmojiUrl = friendEmojiUrlResult.url
+
       stats.myTopEmojiMd5 = myTopEmojiMd5
       stats.myTopEmojiUrl = myTopEmojiUrl
       stats.friendTopEmojiMd5 = friendTopEmojiMd5
       stats.friendTopEmojiUrl = friendTopEmojiUrl
+      if (myTopCount >= 0) stats.myTopEmojiCount = myTopCount
+      if (friendTopCount >= 0) stats.friendTopEmojiCount = friendTopCount
 
       const topPhrases = (cppData.phrases || []).map((p: any) => ({
         phrase: p.phrase,
@@ -401,8 +664,10 @@ class DualReportService {
       const reportData: DualReportData = {
         year: reportYear,
         selfName: myName,
+        selfAvatarUrl,
         friendUsername,
         friendName,
+        friendAvatarUrl,
         firstChat,
         firstChatMessages,
         yearFirstChat,
diff --git a/electron/services/exportService.ts b/electron/services/exportService.ts
index 383aede..9679cce 100644
--- a/electron/services/exportService.ts
+++ b/electron/services/exportService.ts
@@ -68,7 +68,7 @@ const MESSAGE_TYPE_MAP: Record<number, number> = {
 }
 
 export interface ExportOptions {
-  format: 'chatlab' | 'chatlab-jsonl' | 'json' | 'html' | 'txt' | 'excel' | 'sql'
+  format: 'chatlab' | 'chatlab-jsonl' | 'json' | 'html' | 'txt' | 'excel' | 'weclone' | 'sql'
   dateRange?: { start: number; end: number } | null
   exportMedia?: boolean
   exportAvatars?: boolean
@@ -811,6 +811,55 @@ class ExportService {
     return content.replace(/^[\s]*([a-zA-Z0-9_-]+):(?!\/\/)/, '')
   }
 
+  private getWeCloneTypeName(localType: number, content: string): string {
+    if (localType === 1) return 'text'
+    if (localType === 3) return 'image'
+    if (localType === 47) return 'sticker'
+    if (localType === 43) return 'video'
+    if (localType === 34) return 'voice'
+    if (localType === 48) return 'location'
+    if (localType === 49) {
+      const xmlType = this.extractXmlValue(content || '', 'type')
+      if (xmlType === '6') return 'file'
+      return 'text'
+    }
+    return 'text'
+  }
+
+  private getWeCloneSource(msg: any, typeName: string, mediaItem: MediaExportItem | null): string {
+    if (mediaItem?.relativePath) {
+      return mediaItem.relativePath
+    }
+
+    if (typeName === 'image') {
+      return msg.imageDatName || ''
+    }
+    if (typeName === 'sticker') {
+      return msg.emojiCdnUrl || ''
+    }
+    if (typeName === 'video') {
+      return ''
+    }
+    if (typeName === 'file') {
+      const xml = msg.content || ''
+      return this.extractXmlValue(xml, 'filename') || this.extractXmlValue(xml, 'title') || ''
+    }
+    return ''
+  }
+
+  private escapeCsvCell(value: unknown): string {
+    if (value === null || value === undefined) return ''
+    const text = String(value)
+    if (/[",\r\n]/.test(text)) {
+      return `"${text.replace(/"/g, '""')}"`
+    }
+    return text
+  }
+
+  private formatIsoTimestamp(timestamp: number): string {
+    return new Date(timestamp * 1000).toISOString()
+  }
+
   /**
    * 从撤回消息内容中提取撤回者的 wxid
    * 撤回消息 XML 格式通常包含 <session> 或 <newmsgid> 等字段
@@ -3577,6 +3626,253 @@ class ExportService {
     }
   }
 
+  /**
+   * 导出单个会话为 WeClone CSV 格式
+   */
+  async exportSessionToWeCloneCsv(
+    sessionId: string,
+    outputPath: string,
+    options: ExportOptions,
+    onProgress?: (progress: ExportProgress) => void
+  ): Promise<{ success: boolean; error?: string }> {
+    try {
+      const conn = await this.ensureConnected()
+      if (!conn.success || !conn.cleanedWxid) return { success: false, error: conn.error }
+
+      const cleanedMyWxid = conn.cleanedWxid
+      const isGroup = sessionId.includes('@chatroom')
+      const sessionInfo = await this.getContactInfo(sessionId)
+      const myInfo = await this.getContactInfo(cleanedMyWxid)
+
+      const contactCache = new Map<string, { success: boolean; contact?: any; error?: string }>()
+      const getContactCached = async (username: string) => {
+        if (contactCache.has(username)) {
+          return contactCache.get(username)!
+        }
+        const result = await wcdbService.getContact(username)
+        contactCache.set(username, result)
+        return result
+      }
+
+      onProgress?.({
+        current: 0,
+        total: 100,
+        currentSession: sessionInfo.displayName,
+        phase: 'preparing'
+      })
+
+      const collected = await this.collectMessages(sessionId, cleanedMyWxid, options.dateRange)
+      if (collected.rows.length === 0) {
+        return { success: false, error: '该会话在指定时间范围内没有消息' }
+      }
+
+      const senderUsernames = new Set<string>()
+      for (const msg of collected.rows) {
+        if (msg.senderUsername) senderUsernames.add(msg.senderUsername)
+      }
+      senderUsernames.add(sessionId)
+      await this.preloadContacts(senderUsernames, contactCache)
+
+      const groupNicknameCandidates = isGroup
+        ? this.buildGroupNicknameIdCandidates([
+          ...Array.from(senderUsernames.values()),
+          ...collected.rows.map(msg => msg.senderUsername),
+          cleanedMyWxid
+        ])
+        : []
+      const groupNicknamesMap = isGroup
+        ? await this.getGroupNicknamesForRoom(sessionId, groupNicknameCandidates)
+        : new Map<string, string>()
+
+      const sortedMessages = collected.rows.sort((a, b) => a.createTime - b.createTime)
+
+      const voiceMessages = options.exportVoiceAsText
+        ? sortedMessages.filter(msg => msg.localType === 34)
+        : []
+
+      if (options.exportVoiceAsText && voiceMessages.length > 0) {
+        await this.ensureVoiceModel(onProgress)
+      }
+
+      const { exportMediaEnabled, mediaRootDir, mediaRelativePrefix } = this.getMediaLayout(outputPath, options)
+      const mediaMessages = exportMediaEnabled
+        ? sortedMessages.filter(msg => {
+          const t = msg.localType
+          return (t === 3 && options.exportImages) ||
+            (t === 47 && options.exportEmojis) ||
+            (t === 43 && options.exportVideos) ||
+            (t === 34 && options.exportVoices)
+        })
+        : []
+
+      const mediaCache = new Map<string, MediaExportItem | null>()
+
+      if (mediaMessages.length > 0) {
+        onProgress?.({
+          current: 25,
+          total: 100,
+          currentSession: sessionInfo.displayName,
+          phase: 'exporting-media',
+          phaseProgress: 0,
+          phaseTotal: mediaMessages.length,
+          phaseLabel: `导出媒体 0/${mediaMessages.length}`
+        })
+
+        const mediaConcurrency = this.getClampedConcurrency(options.exportConcurrency)
+        let mediaExported = 0
+        await parallelLimit(mediaMessages, mediaConcurrency, async (msg) => {
+          const mediaKey = `${msg.localType}_${msg.localId}`
+          if (!mediaCache.has(mediaKey)) {
+            const mediaItem = await this.exportMediaForMessage(msg, sessionId, mediaRootDir, mediaRelativePrefix, {
+              exportImages: options.exportImages,
+              exportVoices: options.exportVoices,
+              exportVideos: options.exportVideos,
+              exportEmojis: options.exportEmojis,
+              exportVoiceAsText: options.exportVoiceAsText
+            })
+            mediaCache.set(mediaKey, mediaItem)
+          }
+          mediaExported++
+          if (mediaExported % 5 === 0 || mediaExported === mediaMessages.length) {
+            onProgress?.({
+              current: 25,
+              total: 100,
+              currentSession: sessionInfo.displayName,
+              phase: 'exporting-media',
+              phaseProgress: mediaExported,
+              phaseTotal: mediaMessages.length,
+              phaseLabel: `导出媒体 ${mediaExported}/${mediaMessages.length}`
+            })
+          }
+        })
+      }
+
+      const voiceTranscriptMap = new Map<number, string>()
+
+      if (voiceMessages.length > 0) {
+        onProgress?.({
+          current: 45,
+          total: 100,
+          currentSession: sessionInfo.displayName,
+          phase: 'exporting-voice',
+          phaseProgress: 0,
+          phaseTotal: voiceMessages.length,
+          phaseLabel: `语音转文字 0/${voiceMessages.length}`
+        })
+
+        const VOICE_CONCURRENCY = 4
+        let voiceTranscribed = 0
+        await parallelLimit(voiceMessages, VOICE_CONCURRENCY, async (msg) => {
+          const transcript = await this.transcribeVoice(sessionId, String(msg.localId), msg.createTime, msg.senderUsername)
+          voiceTranscriptMap.set(msg.localId, transcript)
+          voiceTranscribed++
+          onProgress?.({
+            current: 45,
+            total: 100,
+            currentSession: sessionInfo.displayName,
+            phase: 'exporting-voice',
+            phaseProgress: voiceTranscribed,
+            phaseTotal: voiceMessages.length,
+            phaseLabel: `语音转文字 ${voiceTranscribed}/${voiceMessages.length}`
+          })
+        })
+      }
+
+      onProgress?.({
+        current: 60,
+        total: 100,
+        currentSession: sessionInfo.displayName,
+        phase: 'exporting'
+      })
+
+      const lines: string[] = []
+      lines.push('id,MsgSvrID,type_name,is_sender,talker,msg,src,CreateTime')
+
+      for (let i = 0; i < sortedMessages.length; i++) {
+        const msg = sortedMessages[i]
+        const mediaKey = `${msg.localType}_${msg.localId}`
+        const mediaItem = mediaCache.get(mediaKey) || null
+
+        const typeName = this.getWeCloneTypeName(msg.localType, msg.content || '')
+        let senderWxid = cleanedMyWxid
+        if (!msg.isSend) {
+          senderWxid = isGroup && msg.senderUsername
+            ? msg.senderUsername
+            : sessionId
+        }
+
+        let talker = myInfo.displayName || '我'
+        if (!msg.isSend) {
+          const contactDetail = await getContactCached(senderWxid)
+          const senderNickname = contactDetail.success && contactDetail.contact
+            ? (contactDetail.contact.nickName || senderWxid)
+            : senderWxid
+          const senderRemark = contactDetail.success && contactDetail.contact
+            ? (contactDetail.contact.remark || '')
+            : ''
+          const senderGroupNickname = isGroup
+            ? this.resolveGroupNicknameByCandidates(groupNicknamesMap, [senderWxid])
+            : ''
+          talker = this.getPreferredDisplayName(
+            senderWxid,
+            senderNickname,
+            senderRemark,
+            senderGroupNickname,
+            options.displayNamePreference || 'remark'
+          )
+        }
+
+        const msgText = msg.localType === 34 && options.exportVoiceAsText
+          ? (voiceTranscriptMap.get(msg.localId) || '[语音消息 - 转文字失败]')
+          : (this.parseMessageContent(msg.content, msg.localType, sessionId, msg.createTime) || '')
+        const src = this.getWeCloneSource(msg, typeName, mediaItem)
+
+        const row = [
+          i + 1,
+          i + 1,
+          typeName,
+          msg.isSend ? 1 : 0,
+          talker,
+          msgText,
+          src,
+          this.formatIsoTimestamp(msg.createTime)
+        ]
+
+        lines.push(row.map((value) => this.escapeCsvCell(value)).join(','))
+
+        if ((i + 1) % 200 === 0) {
+          const progress = 60 + Math.floor((i + 1) / sortedMessages.length * 30)
+          onProgress?.({
+            current: progress,
+            total: 100,
+            currentSession: sessionInfo.displayName,
+            phase: 'exporting'
+          })
+        }
+      }
+
+      onProgress?.({
+        current: 92,
+        total: 100,
+        currentSession: sessionInfo.displayName,
+        phase: 'writing'
+      })
+
+      fs.writeFileSync(outputPath, `\uFEFF${lines.join('\r\n')}`, 'utf-8')
+
+      onProgress?.({
+        current: 100,
+        total: 100,
+        currentSession: sessionInfo.displayName,
+        phase: 'complete'
+      })
+
+      return { success: true }
+    } catch (e) {
+      return { success: false, error: String(e) }
+    }
+  }
+
   private getVirtualScrollScript(): string {
     return `
       class ChunkedRenderer {
@@ -4228,6 +4524,7 @@ class ExportService {
         if (options.format === 'chatlab-jsonl') ext = '.jsonl'
         else if (options.format === 'excel') ext = '.xlsx'
         else if (options.format === 'txt') ext = '.txt'
+        else if (options.format === 'weclone') ext = '.csv'
         else if (options.format === 'html') ext = '.html'
         const outputPath = path.join(sessionDir, `${safeName}${ext}`)
 
@@ -4240,6 +4537,8 @@ class ExportService {
           result = await this.exportSessionToExcel(sessionId, outputPath, options, sessionProgress)
         } else if (options.format === 'txt') {
           result = await this.exportSessionToTxt(sessionId, outputPath, options, sessionProgress)
+        } else if (options.format === 'weclone') {
+          result = await this.exportSessionToWeCloneCsv(sessionId, outputPath, options, sessionProgress)
         } else if (options.format === 'html') {
           result = await this.exportSessionToHtml(sessionId, outputPath, options, sessionProgress)
         } else {
diff --git a/src/pages/DualReportPage.tsx b/src/pages/DualReportPage.tsx
index 3516589..a8398fc 100644
--- a/src/pages/DualReportPage.tsx
+++ b/src/pages/DualReportPage.tsx
@@ -7,6 +7,7 @@ interface ContactRanking {
   username: string
   displayName: string
   avatarUrl?: string
+  wechatId?: string
   messageCount: number
   sentCount: number
   receivedCount: number
@@ -15,28 +16,29 @@ interface ContactRanking {
 
 function DualReportPage() {
   const navigate = useNavigate()
-  const [year, setYear] = useState<number>(0)
+  const [year] = useState<number>(() => {
+    const params = new URLSearchParams(window.location.hash.split('?')[1] || '')
+    const yearParam = params.get('year')
+    const parsedYear = yearParam ? parseInt(yearParam, 10) : 0
+    return Number.isNaN(parsedYear) ? 0 : parsedYear
+  })
   const [rankings, setRankings] = useState<ContactRanking[]>([])
   const [isLoading, setIsLoading] = useState(true)
   const [loadError, setLoadError] = useState<string | null>(null)
   const [keyword, setKeyword] = useState('')
 
   useEffect(() => {
-    const params = new URLSearchParams(window.location.hash.split('?')[1] || '')
-    const yearParam = params.get('year')
-    const parsedYear = yearParam ? parseInt(yearParam, 10) : 0
-    setYear(Number.isNaN(parsedYear) ? 0 : parsedYear)
-  }, [])
+    void loadRankings(year)
+  }, [year])
 
-  useEffect(() => {
-    loadRankings()
-  }, [])
-
-  const loadRankings = async () => {
+  const loadRankings = async (reportYear: number) => {
     setIsLoading(true)
     setLoadError(null)
     try {
-      const result = await window.electronAPI.analytics.getContactRankings(200)
+      const isAllTime = reportYear <= 0
+      const beginTimestamp = isAllTime ? 0 : Math.floor(new Date(reportYear, 0, 1).getTime() / 1000)
+      const endTimestamp = isAllTime ? 0 : Math.floor(new Date(reportYear, 11, 31, 23, 59, 59).getTime() / 1000)
+      const result = await window.electronAPI.analytics.getContactRankings(200, beginTimestamp, endTimestamp)
       if (result.success && result.data) {
         setRankings(result.data)
       } else {
@@ -55,7 +57,8 @@ function DualReportPage() {
     if (!keyword.trim()) return rankings
     const q = keyword.trim().toLowerCase()
     return rankings.filter((item) => {
-      return item.displayName.toLowerCase().includes(q) || item.username.toLowerCase().includes(q)
+      const wechatId = (item.wechatId || '').toLowerCase()
+      return item.displayName.toLowerCase().includes(q) || wechatId.includes(q)
     })
   }, [rankings, keyword])
 
@@ -99,7 +102,7 @@ function DualReportPage() {
         <input
           value={keyword}
           onChange={(e) => setKeyword(e.target.value)}
-          placeholder="搜索好友（昵称/备注/wxid）"
+          placeholder="搜索好友（昵称/微信号）"
         />
       </div>
 
@@ -119,7 +122,7 @@ function DualReportPage() {
             </div>
             <div className="info">
               <div className="name">{item.displayName}</div>
-              <div className="sub">{item.username}</div>
+              <div className="sub">{item.wechatId || '\u672A\u8bbe\u7f6e\u5fae\u4fe1\u53f7'}</div>
             </div>
             <div className="meta">
               <div className="count">{item.messageCount.toLocaleString()} 条</div>
diff --git a/src/pages/DualReportWindow.scss b/src/pages/DualReportWindow.scss
index 574068e..221604e 100644
--- a/src/pages/DualReportWindow.scss
+++ b/src/pages/DualReportWindow.scss
@@ -82,29 +82,18 @@
   }
 
   .first-chat-scene {
-    background: linear-gradient(180deg,
-        color-mix(in srgb, var(--primary) 60%, #000) 0%,
-        color-mix(in srgb, var(--primary) 40%, #fff) 50%,
-        var(--ar-bg-color) 100%);
-    border-radius: 20px;
-    padding: 28px 24px 24px;
-    color: var(--text-primary);
+    background: color-mix(in srgb, var(--ar-card-bg) 92%, #fff 8%);
+    border-radius: 16px;
+    padding: 18px 16px 16px;
+    color: var(--ar-text-main);
     position: relative;
     overflow: hidden;
     margin-top: 16px;
-    border: 1px solid var(--border-color);
+    border: 1px solid var(--bg-tertiary, rgba(0, 0, 0, 0.06));
   }
 
   .first-chat-scene::before {
-    content: "";
-    position: absolute;
-    inset: 0;
-    background-image:
-      radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--primary) 20%, transparent), transparent 40%),
-      radial-gradient(circle at 80% 10%, color-mix(in srgb, var(--accent) 15%, transparent), transparent 35%),
-      radial-gradient(circle at 50% 80%, color-mix(in srgb, var(--primary) 12%, transparent), transparent 45%);
-    opacity: 0.6;
-    pointer-events: none;
+    display: none;
   }
 
   .scene-title {
@@ -112,7 +101,7 @@
     font-weight: 700;
     text-align: center;
     margin-bottom: 8px;
-    color: var(--text-primary);
+    color: var(--ar-text-main);
   }
 
   .scene-subtitle {
@@ -121,13 +110,13 @@
     text-align: center;
     margin-bottom: 20px;
     opacity: 0.9;
-    color: var(--text-secondary);
+    color: var(--ar-text-sub);
   }
 
   .scene-messages {
     display: flex;
     flex-direction: column;
-    gap: 14px;
+    gap: 16px;
   }
 
   .scene-message {
@@ -141,30 +130,53 @@
   }
 
   .scene-avatar {
-    width: 40px;
-    height: 40px;
-    border-radius: 12px;
-    background: var(--primary-light);
+    width: 42px;
+    height: 42px;
+    border-radius: 50%;
+    background: var(--ar-card-bg);
     display: flex;
     align-items: center;
     justify-content: center;
     font-weight: 700;
-    color: var(--primary);
+    color: var(--ar-text-sub);
+    border: 1px solid var(--bg-tertiary, rgba(0, 0, 0, 0.08));
+    overflow: hidden;
+    flex-shrink: 0;
+
+    img {
+      width: 100%;
+      height: 100%;
+      object-fit: cover;
+      display: block;
+    }
+  }
+
+  .scene-content-wrapper {
+    display: flex;
+    flex-direction: column;
+    width: 100%;
+    max-width: min(78%, 720px);
+  }
+
+  .scene-message.sent .scene-content-wrapper {
+    align-items: flex-end;
   }
 
   .scene-bubble {
-    background: var(--bg-secondary);
-    color: var(--text-primary);
+    background: color-mix(in srgb, var(--ar-card-bg-hover) 90%, #fff 10%);
+    color: var(--ar-text-main);
     padding: 10px 14px;
-    border-radius: 14px;
-    max-width: 60%;
-    box-shadow: var(--shadow-md);
-    border: 1px solid var(--border-color);
+    border-radius: 12px;
+    width: fit-content;
+    min-width: 68px;
+    max-width: 100%;
+    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
+    border: 1px solid var(--bg-tertiary, rgba(0, 0, 0, 0.06));
   }
 
   .scene-message.sent .scene-bubble {
-    background: color-mix(in srgb, var(--primary) 15%, var(--bg-secondary));
-    border-color: color-mix(in srgb, var(--primary) 30%, var(--border-color));
+    background: color-mix(in srgb, var(--primary) 12%, var(--ar-card-bg-hover));
+    border-color: color-mix(in srgb, var(--primary) 26%, var(--bg-tertiary, rgba(0, 0, 0, 0.06)));
   }
 
   .scene-meta {
@@ -176,13 +188,24 @@
 
   .scene-content {
     font-size: 14px;
-    line-height: 1.4;
+    line-height: 1.65;
+    white-space: pre-wrap;
     word-break: break-word;
+    overflow-wrap: break-word;
+    line-break: auto;
+  }
+
+  .scene-avatar.fallback {
+    font-size: 14px;
+  }
+
+  .scene-avatar.with-image {
+    background: transparent;
+    color: transparent;
   }
 
   .scene-message.sent .scene-avatar {
-    background: var(--primary);
-    color: #fff;
+    border-color: color-mix(in srgb, var(--primary) 30%, var(--bg-tertiary, rgba(0, 0, 0, 0.08)));
   }
 
   .dual-stat-grid {
@@ -296,6 +319,13 @@
       font-size: 14px;
       border: 2px solid var(--ar-card-bg);
       box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
+
+      img {
+        width: 100%;
+        height: 100%;
+        object-fit: cover;
+        border-radius: 50%;
+      }
     }
 
     .count {
@@ -303,6 +333,13 @@
       font-weight: 600;
       color: var(--ar-text-sub);
     }
+
+    .percent {
+      font-size: 12px;
+      color: var(--ar-text-main);
+      opacity: 0.85;
+      font-weight: 600;
+    }
   }
 
   .initiative-progress {
@@ -347,7 +384,7 @@
   // --- New Response Speed Section (Grid + Icons) ---
   .response-grid {
     display: grid;
-    grid-template-columns: 1fr 1fr;
+    grid-template-columns: repeat(3, minmax(0, 1fr));
     gap: 16px;
     margin-top: 24px;
     padding: 0 10px;
@@ -391,6 +428,11 @@
       color: var(--ar-accent);
     }
 
+    &.sample .icon-box {
+      background: rgba(16, 174, 255, 0.08);
+      color: #10AEFF;
+    }
+
     .label {
       font-size: 13px;
       color: var(--ar-text-sub);
@@ -412,6 +454,14 @@
     }
   }
 
+  .response-note {
+    margin-top: 14px;
+    max-width: none;
+    text-align: center;
+    font-size: 14px;
+    color: var(--ar-text-sub);
+  }
+
 
   // --- New Streak Section (Flame) ---
   .streak-container {
@@ -473,4 +523,32 @@
     border: 1px solid var(--bg-tertiary, rgba(0, 0, 0, 0.05));
     box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
   }
-}
\ No newline at end of file
+
+  .emoji-count {
+    font-size: 12px;
+    color: var(--ar-text-sub);
+    opacity: 0.85;
+  }
+
+  @media (max-width: 960px) {
+    .response-grid {
+      grid-template-columns: 1fr;
+      padding: 0;
+    }
+
+    .scene-avatar {
+      width: 36px;
+      height: 36px;
+      font-size: 13px;
+    }
+
+    .scene-content-wrapper {
+      max-width: min(86%, 500px);
+    }
+
+    .scene-bubble {
+      max-width: 100%;
+      min-width: 56px;
+    }
+  }
+}
diff --git a/src/pages/DualReportWindow.tsx b/src/pages/DualReportWindow.tsx
index 087be97..cf9f005 100644
--- a/src/pages/DualReportWindow.tsx
+++ b/src/pages/DualReportWindow.tsx
@@ -1,5 +1,5 @@
-import { useEffect, useState, type CSSProperties } from 'react'
-import { Clock, Zap, MessageSquare, Type, Image as ImageIcon, Mic, Smile } from 'lucide-react'
+import { useEffect, useState } from 'react'
+import { Clock, Zap, MessageCircle, MessageSquare, Type, Image as ImageIcon, Mic, Smile } from 'lucide-react'
 import ReportHeatmap from '../components/ReportHeatmap'
 import ReportWordCloud from '../components/ReportWordCloud'
 import './AnnualReportWindow.scss'
@@ -15,8 +15,10 @@ interface DualReportMessage {
 interface DualReportData {
   year: number
   selfName: string
+  selfAvatarUrl?: string
   friendUsername: string
   friendName: string
+  friendAvatarUrl?: string
   firstChat: {
     createTime: number
     createTimeStr: string
@@ -43,6 +45,8 @@ interface DualReportData {
     friendTopEmojiMd5?: string
     myTopEmojiUrl?: string
     friendTopEmojiUrl?: string
+    myTopEmojiCount?: number
+    friendTopEmojiCount?: number
   }
   topPhrases: Array<{ phrase: string; count: number }>
   heatmap?: number[][]
@@ -108,6 +112,8 @@ function DualReportWindow() {
   useEffect(() => {
     const loadEmojis = async () => {
       if (!reportData) return
+      setMyEmojiUrl(null)
+      setFriendEmojiUrl(null)
       const stats = reportData.stats
       if (stats.myTopEmojiUrl) {
         const res = await window.electronAPI.chat.downloadEmoji(stats.myTopEmojiUrl, stats.myTopEmojiMd5)
@@ -178,6 +184,9 @@ function DualReportWindow() {
     : null
   const yearFirstChat = reportData.yearFirstChat
   const stats = reportData.stats
+  const initiativeTotal = (reportData.initiative?.initiated || 0) + (reportData.initiative?.received || 0)
+  const initiatedPercent = initiativeTotal > 0 ? (reportData.initiative!.initiated / initiativeTotal) * 100 : 0
+  const receivedPercent = initiativeTotal > 0 ? (reportData.initiative!.received / initiativeTotal) * 100 : 0
   const statItems = [
     { label: '总消息数', value: stats.totalMessages, icon: MessageSquare, color: '#07C160' },
     { label: '总字数', value: stats.totalWords, icon: Type, color: '#10AEFF' },
@@ -196,6 +205,13 @@ function DualReportWindow() {
   )
 
   const stripCdata = (text: string) => text.replace(/<!\[CDATA\[([\s\S]*?)\]\]>/g, '$1')
+  const compactMessageText = (text: string) => (
+    text
+      .replace(/\r\n/g, '\n')
+      .replace(/\s*\n+\s*/g, ' ')
+      .replace(/\s{2,}/g, ' ')
+      .trim()
+  )
 
   const extractXmlText = (content: string) => {
     const titleMatch = content.match(/<title>([\s\S]*?)<\/title>/i)
@@ -210,18 +226,18 @@ function DualReportWindow() {
   }
 
   const formatMessageContent = (content?: string) => {
-    const raw = String(content || '').trim()
+    const raw = compactMessageText(String(content || '').trim())
     if (!raw) return '（空）'
 
     // 1. 尝试提取 XML 关键字段
     const titleMatch = raw.match(/<title>([\s\S]*?)<\/title>/i)
-    if (titleMatch?.[1]) return decodeEntities(stripCdata(titleMatch[1]).trim())
+    if (titleMatch?.[1]) return compactMessageText(decodeEntities(stripCdata(titleMatch[1]).trim()))
 
     const descMatch = raw.match(/<des>([\s\S]*?)<\/des>/i)
-    if (descMatch?.[1]) return decodeEntities(stripCdata(descMatch[1]).trim())
+    if (descMatch?.[1]) return compactMessageText(decodeEntities(stripCdata(descMatch[1]).trim()))
 
     const summaryMatch = raw.match(/<summary>([\s\S]*?)<\/summary>/i)
-    if (summaryMatch?.[1]) return decodeEntities(stripCdata(summaryMatch[1]).trim())
+    if (summaryMatch?.[1]) return compactMessageText(decodeEntities(stripCdata(summaryMatch[1]).trim()))
 
     // 2. 检查是否是 XML 结构
     const hasXmlTag = /<\s*[a-zA-Z]+[^>]*>/.test(raw)
@@ -232,7 +248,7 @@ function DualReportWindow() {
     // 3. 最后的尝试：移除所有 XML 标签，看是否还有有意义的文本
     const stripped = raw.replace(/<[^>]+>/g, '').trim()
     if (stripped && stripped.length > 0 && stripped.length < 50) {
-      return decodeEntities(stripped)
+      return compactMessageText(decodeEntities(stripped))
     }
 
     return '（多媒体/卡片消息）'
@@ -247,6 +263,43 @@ function DualReportWindow() {
     return `${year}/${month}/${day} ${hour}:${minute}`
   }
 
+  const getMostActiveTime = (data: number[][]) => {
+    let maxHour = 0
+    let maxWeekday = 0
+    let maxVal = -1
+    data.forEach((row, weekday) => {
+      row.forEach((value, hour) => {
+        if (value > maxVal) {
+          maxVal = value
+          maxHour = hour
+          maxWeekday = weekday
+        }
+      })
+    })
+    const weekdayNames = ['周一', '周二', '周三', '周四', '周五', '周六', '周日']
+    return {
+      weekday: weekdayNames[maxWeekday] || '周一',
+      hour: maxHour,
+      value: Math.max(0, maxVal)
+    }
+  }
+
+  const mostActive = reportData.heatmap ? getMostActiveTime(reportData.heatmap) : null
+  const responseAvgMinutes = reportData.response ? Math.max(0, Math.round(reportData.response.avg / 60)) : 0
+  const getSceneAvatarUrl = (isSentByMe: boolean) => (isSentByMe ? reportData.selfAvatarUrl : reportData.friendAvatarUrl)
+  const getSceneAvatarFallback = (isSentByMe: boolean) => (isSentByMe ? '我' : reportData.friendName.substring(0, 1))
+  const renderSceneAvatar = (isSentByMe: boolean) => {
+    const avatarUrl = getSceneAvatarUrl(isSentByMe)
+    if (avatarUrl) {
+      return (
+        <div className="scene-avatar with-image">
+          <img src={avatarUrl} alt={isSentByMe ? 'me-avatar' : 'friend-avatar'} />
+        </div>
+      )
+    }
+    return <div className="scene-avatar fallback">{getSceneAvatarFallback(isSentByMe)}</div>
+  }
+
   return (
     <div className="annual-report-window dual-report-window">
       <div className="drag-region" />
@@ -284,9 +337,7 @@ function DualReportWindow() {
                   <div className="scene-messages">
                     {firstChatMessages.map((msg, idx) => (
                       <div key={idx} className={`scene-message ${msg.isSentByMe ? 'sent' : 'received'}`}>
-                        <div className="scene-avatar">
-                          {msg.isSentByMe ? '我' : reportData.friendName.substring(0, 1)}
-                        </div>
+                        {renderSceneAvatar(msg.isSentByMe)}
                         <div className="scene-content-wrapper">
                           <div className="scene-meta">
                             {formatFullDate(msg.createTime).split(' ')[1]}
@@ -322,9 +373,7 @@ function DualReportWindow() {
                 <div className="scene-messages">
                   {yearFirstChat.firstThreeMessages.map((msg, idx) => (
                     <div key={idx} className={`scene-message ${msg.isSentByMe ? 'sent' : 'received'}`}>
-                      <div className="scene-avatar">
-                        {msg.isSentByMe ? '我' : reportData.friendName.substring(0, 1)}
-                      </div>
+                      {renderSceneAvatar(msg.isSentByMe)}
                       <div className="scene-content-wrapper">
                         <div className="scene-meta">
                           {formatFullDate(msg.createTime).split(' ')[1]}
@@ -344,6 +393,11 @@ function DualReportWindow() {
             <section className="section">
               <div className="label-text">聊天习惯</div>
               <h2 className="hero-title">作息规律</h2>
+              {mostActive && (
+                <p className="hero-desc active-time dual-active-time">
+                  {'\u5728'} <span className="hl">{mostActive.weekday} {String(mostActive.hour).padStart(2, '0')}:00</span> {'\u6700\u6d3b\u8dc3\uff08'}{mostActive.value}{'\u6761\uff09'}
+                </p>
+              )}
               <ReportHeatmap data={reportData.heatmap} />
             </section>
           )}
@@ -358,22 +412,28 @@ function DualReportWindow() {
                 </div>
                 <div className="initiative-bar-wrapper">
                   <div className="initiative-side">
-                    <div className="avatar-placeholder">我</div>
-                    <div className="count">{reportData.initiative.initiated}次</div>
+                    <div className="avatar-placeholder">
+                      {reportData.selfAvatarUrl ? <img src={reportData.selfAvatarUrl} alt="me-avatar" /> : '\u6211'}
+                    </div>
+                    <div className="count">{reportData.initiative.initiated}{'\u6b21'}</div>
+                    <div className="percent">{initiatedPercent.toFixed(1)}%</div>
                   </div>
                   <div className="initiative-progress">
                     <div
                       className="bar-segment left"
-                      style={{ width: `${reportData.initiative.initiated / (reportData.initiative.initiated + reportData.initiative.received) * 100}%` }}
+                      style={{ width: `${initiatedPercent}%` }}
                     />
                     <div
                       className="bar-segment right"
-                      style={{ width: `${reportData.initiative.received / (reportData.initiative.initiated + reportData.initiative.received) * 100}%` }}
+                      style={{ width: `${receivedPercent}%` }}
                     />
                   </div>
                   <div className="initiative-side">
-                    <div className="avatar-placeholder">{reportData.friendName.substring(0, 1)}</div>
-                    <div className="count">{reportData.initiative.received}次</div>
+                    <div className="avatar-placeholder">
+                      {reportData.friendAvatarUrl ? <img src={reportData.friendAvatarUrl} alt="friend-avatar" /> : reportData.friendName.substring(0, 1)}
+                    </div>
+                    <div className="count">{reportData.initiative.received}{'\u6b21'}</div>
+                    <div className="percent">{receivedPercent.toFixed(1)}%</div>
                   </div>
                 </div>
               </div>
@@ -383,33 +443,43 @@ function DualReportWindow() {
           {reportData.response && (
             <section className="section">
               <div className="label-text">回复速度</div>
-              <h2 className="hero-title">秒回是并在乎</h2>
+              <h2 className="hero-title">{'\u79d2\u56de\uff0c\u662f\u56e0\u4e3a\u5728\u4e4e'}</h2>
               <div className="response-grid">
                 <div className="response-card">
                   <div className="icon-box">
                     <Clock size={24} />
                   </div>
-                  <div className="label">平均回复</div>
-                  <div className="value">{Math.round(reportData.response.avg / 60)}<span>分</span></div>
+                  <div className="label">{'\u5e73\u5747\u56de\u590d'}</div>
+                  <div className="value">{Math.round(reportData.response.avg / 60)}<span>{'\u5206'}</span></div>
                 </div>
                 <div className="response-card fastest">
                   <div className="icon-box">
                     <Zap size={24} />
                   </div>
-                  <div className="label">最快回复</div>
-                  <div className="value">{reportData.response.fastest}<span>秒</span></div>
+                  <div className="label">{'\u6700\u5feb\u56de\u590d'}</div>
+                  <div className="value">{reportData.response.fastest}<span>{'\u79d2'}</span></div>
+                </div>
+                <div className="response-card sample">
+                  <div className="icon-box">
+                    <MessageCircle size={24} />
+                  </div>
+                  <div className="label">{'\u7edf\u8ba1\u6837\u672c'}</div>
+                  <div className="value">{reportData.response.count}<span>{'\u6b21'}</span></div>
                 </div>
               </div>
+              <p className="hero-desc response-note">
+                {`\u5171\u7edf\u8ba1 ${reportData.response.count} \u6b21\u6709\u6548\u56de\u590d\uff0c\u5e73\u5747\u7ea6 ${responseAvgMinutes} \u5206\u949f\uff0c\u6700\u5feb ${reportData.response.fastest} \u79d2\u3002`}
+              </p>
             </section>
           )}
 
           {reportData.streak && (
             <section className="section">
-              <div className="label-text">聊天火花</div>
-              <h2 className="hero-title">最长连续聊天</h2>
+              <div className="label-text">{'\u804a\u5929\u706b\u82b1'}</div>
+              <h2 className="hero-title">{'\u6700\u957f\u8fde\u7eed\u804a\u5929'}</h2>
               <div className="streak-container">
-                <div className="streak-flame">🔥</div>
-                <div className="streak-days">{reportData.streak.days}<span>天</span></div>
+                <div className="streak-flame">{'\uD83D\uDD25'}</div>
+                <div className="streak-days">{reportData.streak.days}<span>{'\u5929'}</span></div>
                 <div className="streak-range">
                   {reportData.streak.startDate} ~ {reportData.streak.endDate}
                 </div>
@@ -461,6 +531,7 @@ function DualReportWindow() {
                 ) : (
                   <div className="emoji-placeholder">{stats.myTopEmojiMd5 || '暂无'}</div>
                 )}
+                <div className="emoji-count">{stats.myTopEmojiCount ? `${stats.myTopEmojiCount}\u6b21` : '\u6682\u65e0\u7edf\u8ba1'}</div>
               </div>
               <div className="emoji-card">
                 <div className="emoji-title">{reportData.friendName}常用的表情</div>
@@ -469,6 +540,7 @@ function DualReportWindow() {
                 ) : (
                   <div className="emoji-placeholder">{stats.friendTopEmojiMd5 || '暂无'}</div>
                 )}
+                <div className="emoji-count">{stats.friendTopEmojiCount ? `${stats.friendTopEmojiCount}\u6b21` : '\u6682\u65e0\u7edf\u8ba1'}</div>
               </div>
             </div>
           </section>
diff --git a/src/pages/ExportPage.tsx b/src/pages/ExportPage.tsx
index 7ffc1cc..92b9d81 100644
--- a/src/pages/ExportPage.tsx
+++ b/src/pages/ExportPage.tsx
@@ -13,7 +13,7 @@ interface ChatSession {
 }
 
 interface ExportOptions {
-  format: 'chatlab' | 'chatlab-jsonl' | 'json' | 'html' | 'txt' | 'excel' | 'sql'
+  format: 'chatlab' | 'chatlab-jsonl' | 'json' | 'html' | 'txt' | 'excel' | 'weclone' | 'sql'
   dateRange: { start: Date; end: Date } | null
   useAllTime: boolean
   exportAvatars: boolean
@@ -360,7 +360,7 @@ function ExportPage() {
         } : null
       }
 
-      if (options.format === 'chatlab' || options.format === 'chatlab-jsonl' || options.format === 'json' || options.format === 'excel' || options.format === 'txt' || options.format === 'html') {
+      if (options.format === 'chatlab' || options.format === 'chatlab-jsonl' || options.format === 'json' || options.format === 'excel' || options.format === 'txt' || options.format === 'html' || options.format === 'weclone') {
         const result = await window.electronAPI.export.exportSessions(
           sessionList,
           exportFolder,
@@ -513,6 +513,7 @@ function ExportPage() {
     { value: 'html', label: 'HTML', icon: FileText, desc: '网页格式，可直接浏览' },
     { value: 'txt', label: 'TXT', icon: Table, desc: '纯文本，通用格式' },
     { value: 'excel', label: 'Excel', icon: FileSpreadsheet, desc: '电子表格，适合统计分析' },
+    { value: 'weclone', label: 'WeClone CSV', icon: Table, desc: 'WeClone 兼容字段格式（CSV）' },
     { value: 'sql', label: 'PostgreSQL', icon: Database, desc: '数据库脚本，便于导入到数据库' }
   ]
   const displayNameOptions = [
diff --git a/src/pages/SettingsPage.tsx b/src/pages/SettingsPage.tsx
index b3187c9..b6a01d6 100644
--- a/src/pages/SettingsPage.tsx
+++ b/src/pages/SettingsPage.tsx
@@ -1565,6 +1565,7 @@ function SettingsPage() {
     { value: 'json', label: 'JSON', desc: '详细格式，包含完整消息信息' },
     { value: 'html', label: 'HTML', desc: '网页格式，可直接浏览' },
     { value: 'txt', label: 'TXT', desc: '纯文本，通用格式' },
+    { value: 'weclone', label: 'WeClone CSV', desc: 'WeClone 兼容字段格式（CSV）' },
     { value: 'sql', label: 'PostgreSQL', desc: '数据库脚本，便于导入到数据库' }
   ]
   const exportDateRangeOptions = [
diff --git a/src/types/electron.d.ts b/src/types/electron.d.ts
index e66004c..ad0daf3 100644
--- a/src/types/electron.d.ts
+++ b/src/types/electron.d.ts
@@ -163,12 +163,13 @@ export interface ElectronAPI {
       }
       error?: string
     }>
-    getContactRankings: (limit?: number) => Promise<{
+    getContactRankings: (limit?: number, beginTimestamp?: number, endTimestamp?: number) => Promise<{
       success: boolean
       data?: Array<{
         username: string
         displayName: string
         avatarUrl?: string
+        wechatId?: string
         messageCount: number
         sentCount: number
         receivedCount: number
@@ -357,8 +358,10 @@ export interface ElectronAPI {
       data?: {
         year: number
         selfName: string
+        selfAvatarUrl?: string
         friendUsername: string
         friendName: string
+        friendAvatarUrl?: string
         firstChat: {
           createTime: number
           createTimeStr: string
@@ -395,8 +398,15 @@ export interface ElectronAPI {
           friendTopEmojiMd5?: string
           myTopEmojiUrl?: string
           friendTopEmojiUrl?: string
+          myTopEmojiCount?: number
+          friendTopEmojiCount?: number
         }
         topPhrases: Array<{ phrase: string; count: number }>
+        heatmap?: number[][]
+        initiative?: { initiated: number; received: number }
+        response?: { avg: number; fastest: number; count: number }
+        monthly?: Record<string, number>
+        streak?: { days: number; startDate: string; endDate: string }
       }
       error?: string
     }>