Merge pull request #548 from Leoluis0705/perf/optimize-group-analytics

Perf/optimize group analytics

electron/main.ts

@@ -2157,6 +2157,13 @@ function registerIpcHandlers() {
     return groupAnalyticsService.getGroupMediaStats(chatroomId, startTime, endTime)
   })
 
+  ipcMain.handle(
+    'groupAnalytics:getGroupMemberAnalytics',
+    async (_, chatroomId: string, memberUsername: string, startTime?: number, endTime?: number) => {
+      return groupAnalyticsService.getGroupMemberAnalytics(chatroomId, memberUsername, startTime, endTime)
+    }
+  )
+
   ipcMain.handle(
     'groupAnalytics:getGroupMemberMessages',
     async (

electron/preload.ts

@@ -297,6 +297,7 @@ contextBridge.exposeInMainWorld('electronAPI', {
     getGroupMessageRanking: (chatroomId: string, limit?: number, startTime?: number, endTime?: number) => ipcRenderer.invoke('groupAnalytics:getGroupMessageRanking', chatroomId, limit, startTime, endTime),
     getGroupActiveHours: (chatroomId: string, startTime?: number, endTime?: number) => ipcRenderer.invoke('groupAnalytics:getGroupActiveHours', chatroomId, startTime, endTime),
     getGroupMediaStats: (chatroomId: string, startTime?: number, endTime?: number) => ipcRenderer.invoke('groupAnalytics:getGroupMediaStats', chatroomId, startTime, endTime),
+    getGroupMemberAnalytics: (chatroomId: string, memberUsername: string, startTime?: number, endTime?: number) => ipcRenderer.invoke('groupAnalytics:getGroupMemberAnalytics', chatroomId, memberUsername, startTime, endTime),
     getGroupMemberMessages: (
       chatroomId: string,
       memberUsername: string,

electron/services/groupAnalyticsService.ts

@@ -5,6 +5,7 @@ import { ConfigService } from './config'
 import { wcdbService } from './wcdbService'
 import { chatService } from './chatService'
 import type { Message } from './chatService'
+import type { ChatStatistics } from './analyticsService'
 
 export interface GroupChatInfo {
   username: string
@@ -49,6 +50,13 @@ export interface GroupMediaStats {
   total: number
 }
 
+export interface GroupMemberAnalytics {
+  statistics: ChatStatistics
+  timeDistribution: Record<number, number>
+  commonPhrases?: Array<{ phrase: string; count: number }>
+  commonEmojis?: Array<{ emoji: string; count: number }>
+}
+
 export interface GroupMemberMessagesPage {
   messages: Message[]
   hasMore: boolean
@@ -797,7 +805,12 @@ class GroupAnalyticsService {
     return normalized > 10000000000 ? Math.floor(normalized / 1000) : normalized
   }
 
-  private extractRowSenderUsername(row: Record<string, any>): string {
+  private extractRowSenderUsername(row: Record<string, any>, myWxid?: string): string {
+    const isSendRaw = row.computed_is_send ?? row.is_send ?? row.isSend ?? row.WCDB_CT_is_send
+    if (isSendRaw != null && parseInt(isSendRaw, 10) === 1 && myWxid) {
+      return myWxid
+    }
+
     const candidates = [
       row.sender_username,
       row.senderUsername,
@@ -820,13 +833,33 @@ class GroupAnalyticsService {
         if (normalizedValue) return normalizedValue
       }
     }
+    
+    // Fallback: fast extract from raw content to avoid full parse
+    const rawContent = String(row.StrContent || row.message_content || row.content || row.msg_content || '').trim()
+    if (rawContent) {
+      const match = /^\s*([a-zA-Z0-9_@-]{4,}):(?!\/\/)\s*(?:\r?\n|<br\s*\/?>)/i.exec(rawContent)
+      if (match && match[1]) {
+        return match[1].trim()
+      }
+    }
+    
     return ''
   }
 
   private parseSingleMessageRow(row: Record<string, any>): Message | null {
     try {
       const mapped = chatService.mapRowsToMessagesForApi([row])
-      return Array.isArray(mapped) && mapped.length > 0 ? mapped[0] : null
+      if (Array.isArray(mapped) && mapped.length > 0) {
+        const msg = mapped[0]
+        if (!msg.localType) {
+          msg.localType = parseInt(row.Type || row.type || row.local_type || row.msg_type || '0', 10)
+        }
+        if (!msg.createTime) {
+          msg.createTime = parseInt(row.CreateTime || row.create_time || row.createTime || row.msg_time || '0', 10)
+        }
+        return msg
+      }
+      return null
     } catch {
       return null
     }
@@ -881,7 +914,7 @@ class GroupAnalyticsService {
         if (rows.length === 0) break
 
         for (const row of rows) {
-          const senderFromRow = this.extractRowSenderUsername(row)
+          const senderFromRow = this.extractRowSenderUsername(row, String(this.configService.get('myWxid') || '').trim())
           if (senderFromRow && !matchesTargetSender(senderFromRow)) {
             continue
           }
@@ -987,7 +1020,7 @@ class GroupAnalyticsService {
             const row = rows[index]
             consumedRows += 1
 
-            const senderFromRow = this.extractRowSenderUsername(row)
+            const senderFromRow = this.extractRowSenderUsername(row, String(this.configService.get('myWxid') || '').trim())
             if (senderFromRow && !matchesTargetSender(senderFromRow)) {
               continue
             }
@@ -1467,6 +1500,154 @@ class GroupAnalyticsService {
     }
   }
 
+  async getGroupMemberAnalytics(
+    chatroomId: string,
+    memberUsername: string,
+    startTime?: number,
+    endTime?: number
+  ): Promise<{ success: boolean; data?: GroupMemberAnalytics; error?: string }> {
+    try {
+      const conn = await this.ensureConnected()
+      if (!conn.success) return { success: false, error: conn.error }
+
+      const normalizedChatroomId = String(chatroomId || '').trim()
+      const normalizedMemberUsername = String(memberUsername || '').trim()
+
+      const batchSize = 10000
+      const senderMatchCache = new Map<string, boolean>()
+      const matchesTargetSender = (sender: string | null | undefined): boolean => {
+        const key = String(sender || '').trim().toLowerCase()
+        if (!key) return false
+        const cached = senderMatchCache.get(key)
+        if (typeof cached === 'boolean') return cached
+        const matched = this.isSameAccountIdentity(normalizedMemberUsername, sender)
+        senderMatchCache.set(key, matched)
+        return matched
+      }
+
+      const cursorResult = await this.openMemberMessageCursor(normalizedChatroomId, batchSize, true, startTime || 0, endTime || 0)
+      if (!cursorResult.success || !cursorResult.cursor) {
+        return { success: false, error: cursorResult.error || '创建游标失败' }
+      }
+
+      const cursor = cursorResult.cursor
+      const stats: ChatStatistics = {
+        totalMessages: 0,
+        textMessages: 0,
+        imageMessages: 0,
+        voiceMessages: 0,
+        videoMessages: 0,
+        emojiMessages: 0,
+        otherMessages: 0,
+        sentMessages: 0, // In group, we only fetch messages of this member, so sentMessages = totalMessages
+        receivedMessages: 0, // No meaning here
+        firstMessageTime: null,
+        lastMessageTime: null,
+        activeDays: 0,
+        messageTypeCounts: {}
+      }
+      
+      const hourlyDistribution: Record<number, number> = {}
+      for (let i = 0; i < 24; i++) hourlyDistribution[i] = 0
+      const dailySet = new Set<string>()
+      const textTypes = [1, 244813135921]
+
+      const phraseCounts = new Map<string, number>()
+      const emojiCounts = new Map<string, number>()
+
+      const myWxid = String(this.configService.get('myWxid') || '').trim()
+
+      try {
+        while (true) {
+          const batch = await wcdbService.fetchMessageBatch(cursor)
+          if (!batch.success) {
+            return { success: false, error: batch.error || '获取分析数据失败' }
+          }
+          const rows = Array.isArray(batch.rows) ? batch.rows as Record<string, any>[] : []
+          if (rows.length === 0) break
+
+          for (const row of rows) {
+            let senderFromRow = this.extractRowSenderUsername(row, myWxid)
+            
+            const isSendRaw = row.computed_is_send ?? row.is_send ?? row.isSend ?? row.WCDB_CT_is_send
+            const isSend = isSendRaw != null ? parseInt(isSendRaw, 10) === 1 : false
+            
+            if (isSend) {
+              senderFromRow = myWxid
+            }
+
+            if (!senderFromRow || !matchesTargetSender(senderFromRow)) {
+              continue
+            }
+            
+            const msgType = parseInt(row.Type || row.type || row.local_type || row.msg_type || '0', 10)
+            const createTime = parseInt(row.CreateTime || row.create_time || row.createTime || row.msg_time || '0', 10)
+            
+            let content = String(row.StrContent || row.message_content || row.content || row.msg_content || '')
+            if (content) {
+              content = content.replace(/^\s*([a-zA-Z0-9_@-]{4,}):(?!\/\/)\s*(?:\r?\n|<br\s*\/?>)/i, '')
+            }
+
+            stats.totalMessages++
+            if (textTypes.includes(msgType)) {
+              stats.textMessages++
+              if (content) {
+                const text = content.trim()
+                if (text && text.length <= 20) {
+                  phraseCounts.set(text, (phraseCounts.get(text) || 0) + 1)
+                }
+                const emojiMatches = text.match(/\[.*?\]/g)
+                if (emojiMatches) {
+                  for (const em of emojiMatches) {
+                    emojiCounts.set(em, (emojiCounts.get(em) || 0) + 1)
+                  }
+                }
+              }
+            }
+            else if (msgType === 3) stats.imageMessages++
+            else if (msgType === 34) stats.voiceMessages++
+            else if (msgType === 43) stats.videoMessages++
+            else if (msgType === 47) stats.emojiMessages++
+            else stats.otherMessages++
+
+            stats.sentMessages++
+            
+            stats.messageTypeCounts[msgType] = (stats.messageTypeCounts[msgType] || 0) + 1
+            
+            if (createTime > 0) {
+              if (stats.firstMessageTime === null || createTime < stats.firstMessageTime) stats.firstMessageTime = createTime
+              if (stats.lastMessageTime === null || createTime > stats.lastMessageTime) stats.lastMessageTime = createTime
+              
+              const d = new Date(createTime * 1000)
+              const hour = d.getHours()
+              hourlyDistribution[hour]++
+              dailySet.add(`${d.getFullYear()}-${d.getMonth()}-${d.getDate()}`)
+            }
+          }
+          if (!batch.hasMore) break
+        }
+      } finally {
+        await wcdbService.closeMessageCursor(cursor)
+      }
+      
+      stats.activeDays = dailySet.size
+
+      const commonPhrases = Array.from(phraseCounts.entries())
+        .sort((a, b) => b[1] - a[1])
+        .slice(0, 10)
+        .map(([phrase, count]) => ({ phrase, count }))
+        
+      const commonEmojis = Array.from(emojiCounts.entries())
+        .sort((a, b) => b[1] - a[1])
+        .slice(0, 10)
+        .map(([emoji, count]) => ({ emoji, count }))
+
+      return { success: true, data: { statistics: stats, timeDistribution: hourlyDistribution, commonPhrases, commonEmojis } }
+    } catch (e) {
+      return { success: false, error: String(e) }
+    }
+  }
+
   async exportGroupMemberMessages(
     chatroomId: string,
     memberUsername: string,

src/pages/GroupAnalyticsPage.scss

@@ -834,11 +834,13 @@
 }
 
 .member-export-panel,
-.member-messages-panel {
+.member-messages-panel,
+.member-analytics-panel {
   display: flex;
   flex-direction: column;
   gap: 16px;
   min-height: 0;
+  flex: 1;
 
   .member-export-empty {
     padding: 20px;
@@ -1521,29 +1523,73 @@
     }
   }
 
-  .stats-cards {
+  .stats-overview {
     display: grid;
-    grid-template-columns: repeat(5, 1fr);
+    grid-template-columns: repeat(4, 1fr);
-    gap: 12px;
+    gap: 16px;
-    margin-bottom: 20px;
+    margin-bottom: 24px;
+    padding-top: 10px;
+  }
 
-    .stat-card {
+  .stat-card {
-      background: transparent;
+    display: flex;
+    align-items: center;
+    gap: 16px;
+    padding: 20px;
+    background: var(--card-bg);
+    border-radius: 12px;
+    border: 1px solid var(--border-color);
+
+    .stat-icon {
+      width: 48px;
+      height: 48px;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      background: var(--primary-light);
       border-radius: 12px;
-      padding: 16px;
+      color: var(--primary);
-      text-align: center;
+    }
 
-      .value {
+    .stat-info {
-        display: block;
+      display: flex;
+      flex-direction: column;
+      gap: 4px;
+
+      .stat-value {
         font-size: 24px;
         font-weight: 600;
-        color: var(--primary);
+        color: var(--text-primary);
-        margin-bottom: 4px;
       }
 
-      .label {
+      .stat-label {
         font-size: 13px;
-        color: var(--text-secondary);
+        color: var(--text-tertiary);
+      }
+    }
+  }
+
+  .charts-grid {
+    display: grid;
+    grid-template-columns: repeat(2, 1fr);
+    gap: 16px;
+    margin-bottom: 24px;
+
+    .chart-card {
+      background: var(--card-bg);
+      border-radius: 12px;
+      border: 1px solid var(--border-color);
+      padding: 20px;
+
+      &.wide {
+        grid-column: span 2;
+      }
+
+      h3 {
+        font-size: 15px;
+        font-weight: 500;
+        color: var(--text-primary);
+        margin: 0 0 16px;
       }
     }
   }

src/pages/GroupAnalyticsPage.tsx

@@ -1,6 +1,6 @@
 import { useState, useEffect, useRef, useCallback, useMemo } from 'react'
 import { useLocation } from 'react-router-dom'
-import { Users, BarChart3, Clock, Image, Loader2, RefreshCw, Medal, Search, X, ChevronLeft, Copy, Check, Download, ChevronDown, MessageSquare } from 'lucide-react'
+import { Users, BarChart3, Clock, Image, Loader2, RefreshCw, Medal, Search, X, ChevronLeft, Copy, Check, Download, ChevronDown, MessageSquare, Calendar, PieChart, Hash, Smile } from 'lucide-react'
 import { Avatar } from '../components/Avatar'
 import ReactECharts from 'echarts-for-react'
 import DateRangePicker from '../components/DateRangePicker'
@@ -37,7 +37,7 @@ interface GroupMessageRank {
   messageCount: number
 }
 
-type AnalysisFunction = 'members' | 'memberMessages' | 'ranking' | 'activeHours' | 'mediaStats'
+type AnalysisFunction = 'members' | 'memberMessages' | 'memberAnalytics' | 'ranking' | 'activeHours' | 'mediaStats'
 type MemberExportFormat = 'chatlab' | 'chatlab-jsonl' | 'json' | 'arkme-json' | 'html' | 'txt' | 'excel' | 'weclone'
 
 interface MemberMessageExportOptions {
@@ -167,6 +167,8 @@ function GroupAnalyticsPage() {
   const [isExportingMembers, setIsExportingMembers] = useState(false)
   const [isExportingMemberMessages, setIsExportingMemberMessages] = useState(false)
   const [memberMessages, setMemberMessages] = useState<Message[]>([])
+  const [memberAnalyticsData, setMemberAnalyticsData] = useState<any | null>(null)
+  const [analyticsError, setAnalyticsError] = useState<string | null>(null)
   const [memberMessagesHasMore, setMemberMessagesHasMore] = useState(false)
   const [memberMessagesCursor, setMemberMessagesCursor] = useState(0)
   const [memberMessagesLoadingMore, setMemberMessagesLoadingMore] = useState(false)
@@ -524,6 +526,7 @@ function GroupAnalyticsPage() {
           break
         }
         case 'memberMessages': {
+          resetMemberMessageState(false)
           updateBackgroundTask(taskId, {
             detail: '正在读取成员列表与消息',
             progressText: '成员消息'
@@ -566,7 +569,57 @@ function GroupAnalyticsPage() {
           })
           break
         }
+        case 'memberAnalytics': {
+          setMemberAnalyticsData(null)
+          setAnalyticsError(null)
+          updateBackgroundTask(taskId, {
+            detail: '正在读取成员列表与消息分析',
+            progressText: '成员分析'
+          })
+          const result = await window.electronAPI.groupAnalytics.getGroupMembers(targetGroup.username)
+          if (isBackgroundTaskCancelRequested(taskId)) {
+            finishBackgroundTask(taskId, 'canceled', { detail: '已停止后续加载，成员分析未继续写入' })
+            return
+          }
+          if (!result.success || !result.data) {
+            finishBackgroundTask(taskId, 'failed', { detail: result.error || '获取成员列表失败' })
+            return
+          }
+          setMembers(result.data)
+          let targetMember = preferredMemberUsername
+            ? result.data.find(m => m.username === preferredMemberUsername)
+            : result.data.find(m => m.username === selectedMessageMemberUsername)
+          if (!targetMember && result.data.length > 0) {
+            targetMember = result.data[0]
+            setSelectedMessageMemberUsername(targetMember.username)
+          }
+          if (!targetMember) {
+            finishBackgroundTask(taskId, 'failed', { detail: '找不到目标成员' })
+            return
+          }
+          updateBackgroundTask(taskId, {
+            detail: `正在分析 ${targetMember.displayName || targetMember.username} 的发言记录`,
+            progressText: '统计分析'
+          })
+          const analyticsResult = await window.electronAPI.groupAnalytics.getGroupMemberAnalytics(targetGroup.username, targetMember.username, startTime, endTime)
+          if (isBackgroundTaskCancelRequested(taskId)) {
+            finishBackgroundTask(taskId, 'canceled', { detail: '已停止后续加载，成员分析未继续写入' })
+            return
+          }
+          if (analyticsResult.success && analyticsResult.data) {
+            setMemberAnalyticsData(analyticsResult.data)
+            finishBackgroundTask(taskId, 'completed', {
+              detail: `分析完成，共计 ${analyticsResult.data.statistics?.totalMessages || 0} 条消息`,
+              progressText: '已完成'
+            })
+          } else {
+            setAnalyticsError(analyticsResult.error || '分析失败')
+            finishBackgroundTask(taskId, 'failed', { detail: analyticsResult.error || '分析失败' })
+          }
+          break
+        }
         case 'ranking': {
+          setRankings([])
           updateBackgroundTask(taskId, {
             detail: '正在计算群消息排行',
             progressText: '消息排行'
@@ -584,6 +637,7 @@ function GroupAnalyticsPage() {
           break
         }
         case 'activeHours': {
+          setActiveHours({})
           updateBackgroundTask(taskId, {
             detail: '正在计算群活跃时段',
             progressText: '活跃时段'
@@ -601,6 +655,7 @@ function GroupAnalyticsPage() {
           break
         }
         case 'mediaStats': {
+          setMediaStats(null)
           updateBackgroundTask(taskId, {
             detail: '正在统计群消息类型',
             progressText: '消息类型'
@@ -633,6 +688,12 @@ function GroupAnalyticsPage() {
     return num.toLocaleString()
   }
 
+  const formatDate = (timestamp: number | null) => {
+    if (!timestamp) return '-'
+    const date = new Date(timestamp * 1000)
+    return `${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()}`
+  }
+
   const sanitizeFileName = (name: string) => {
     return name.replace(/[<>:"/\\|?*]+/g, '_').trim()
   }
@@ -764,6 +825,16 @@ function GroupAnalyticsPage() {
     await loadFunctionData('memberMessages', selectedGroup, member.username)
   }
 
+  const handleViewMemberAnalyticsFromModal = async (member: GroupMember) => {
+    if (!selectedGroup) return
+    setSelectedMember(null)
+    setSelectedFunction('memberAnalytics')
+    setSelectedMessageMemberUsername(member.username)
+    setMessageMemberSearchKeyword('')
+    setShowMessageMemberSelect(false)
+    await loadFunctionData('memberAnalytics', selectedGroup, member.username)
+  }
+
   const handleOpenMemberExportModal = () => {
     setShowMessageMemberSelect(false)
     setShowFormatSelect(false)
@@ -982,6 +1053,14 @@ function GroupAnalyticsPage() {
               <button
                 type="button"
                 className="member-modal-primary-btn"
+                onClick={() => void handleViewMemberAnalyticsFromModal(selectedMember)}
+              >
+                <BarChart3 size={16} />
+                <span>分析该成员聊天</span>
+              </button>
+              <button
+                type="button"
+                className="member-modal-secondary-btn"
                 onClick={() => void handleViewMemberMessagesFromModal(selectedMember)}
               >
                 <MessageSquare size={16} />
@@ -1080,6 +1159,11 @@ function GroupAnalyticsPage() {
           <span>成员消息筛选与导出</span>
           <small>按成员查看群聊消息，并支持导出当前成员记录</small>
         </div>
+        <div className="function-card" onClick={() => handleFunctionSelect('memberAnalytics')}>
+          <PieChart size={32} />
+          <span>群成员详细分析</span>
+          <small>针对群聊内某一用户的群聊记录进行详细分析，如发信数量、活跃周期等</small>
+        </div>
         <div className="function-card" onClick={() => handleFunctionSelect('ranking')}>
           <BarChart3 size={32} />
           <span>群聊发言排行</span>
@@ -1104,6 +1188,7 @@ function GroupAnalyticsPage() {
       switch (selectedFunction) {
         case 'members': return '群成员查看'
         case 'memberMessages': return '成员消息筛选与导出'
+        case 'memberAnalytics': return '群成员详细分析'
         case 'ranking': return '群聊发言排行'
         case 'activeHours': return '群聊活跃时段'
         case 'mediaStats': return '媒体内容统计'
@@ -1282,6 +1367,187 @@ function GroupAnalyticsPage() {
                   )}
                 </div>
               )}
+              {selectedFunction === 'memberAnalytics' && (
+                <div className="member-analytics-panel">
+                  {members.length === 0 ? (
+                    <div className="member-message-empty">暂无群成员数据，请先刷新。</div>
+                  ) : (
+                    <>
+                      <div className="member-message-toolbar" style={{ marginBottom: 20 }}>
+                        <div className="member-export-field" ref={messageMemberSelectDropdownRef}>
+                          <span>分析成员</span>
+                          <button
+                            type="button"
+                            className={`select-trigger member-message-select-trigger ${showMessageMemberSelect ? 'open' : ''}`}
+                            onClick={() => setShowMessageMemberSelect(prev => !prev)}
+                          >
+                            <div className="member-select-trigger-value">
+                              <Avatar
+                                src={selectedMessageMember?.avatarUrl}
+                                name={selectedMessageMember?.displayName || selectedMessageMember?.username || '?'}
+                                size={24}
+                              />
+                              <span className="select-value">{selectedMessageMember?.displayName || selectedMessageMember?.username || '请选择成员'}</span>
+                            </div>
+                            <ChevronDown size={16} />
+                          </button>
+                          {showMessageMemberSelect && (
+                            <div className="select-dropdown member-select-dropdown">
+                              <div className="member-select-search">
+                                <Search size={14} />
+                                <input
+                                  type="text"
+                                  value={messageMemberSearchKeyword}
+                                  onChange={e => setMessageMemberSearchKeyword(e.target.value)}
+                                  placeholder="搜索 wxid / 昵称 / 备注 / 微信号"
+                                  onClick={e => e.stopPropagation()}
+                                />
+                              </div>
+                              <div className="member-select-options">
+                                {filteredMessageMemberOptions.length === 0 ? (
+                                  <div className="member-select-empty">无匹配成员</div>
+                                ) : (
+                                  filteredMessageMemberOptions.map(member => (
+                                    <button
+                                      key={member.username}
+                                      type="button"
+                                      className={`select-option member-select-option ${selectedMessageMemberUsername === member.username ? 'active' : ''}`}
+                                      onClick={() => {
+                                        setSelectedMessageMemberUsername(member.username)
+                                        setShowMessageMemberSelect(false)
+                                        if (selectedGroup) {
+                                          void loadFunctionData('memberAnalytics', selectedGroup, member.username)
+                                        }
+                                      }}
+                                    >
+                                      <Avatar src={member.avatarUrl} name={member.displayName} size={28} />
+                                      <span className="member-option-main">{member.displayName || member.username}</span>
+                                      <span className="member-option-meta">
+                                        wxid: {member.username}
+                                        {member.alias ? ` · 微信号: ${member.alias}` : ''}
+                                        {member.remark ? ` · 备注: ${member.remark}` : ''}
+                                        {member.nickname ? ` · 昵称: ${member.nickname}` : ''}
+                                        {member.groupNickname ? ` · 群昵称: ${member.groupNickname}` : ''}
+                                      </span>
+                                    </button>
+                                  ))
+                                )}
+                              </div>
+                            </div>
+                          )}
+                        </div>
+                      </div>
+                      {analyticsError ? (
+                        <div className="member-message-empty">{analyticsError}</div>
+                      ) : memberAnalyticsData ? (
+                        <div className="analytics-content-scrollable" style={{ padding: '0', display: 'flex', flexDirection: 'column', flex: 1, minHeight: 0, overflowY: 'auto' }}>
+                          <div className="stats-overview">
+                            <div className="stat-card">
+                              <div className="stat-icon"><MessageSquare size={24} /></div>
+                              <div className="stat-info">
+                                <span className="stat-value">{formatNumber(memberAnalyticsData.statistics.sentMessages)}</span>
+                                <span className="stat-label">发信数量</span>
+                              </div>
+                            </div>
+                            <div className="stat-card">
+                              <div className="stat-icon"><Clock size={24} /></div>
+                              <div className="stat-info">
+                                <span className="stat-value">{memberAnalyticsData.statistics.activeDays}</span>
+                                <span className="stat-label">活跃天数</span>
+                              </div>
+                            </div>
+                            <div className="stat-card" style={{ gridColumn: 'span 2' }}>
+                              <div className="stat-icon"><Calendar size={24} /></div>
+                              <div className="stat-info">
+                                <span className="stat-value">
+                                  {formatDate(memberAnalyticsData.statistics.firstMessageTime)} - {formatDate(memberAnalyticsData.statistics.lastMessageTime)}
+                                </span>
+                                <span className="stat-label">活跃周期</span>
+                              </div>
+                            </div>
+                          </div>
+                          
+                          <div className="charts-grid">
+                            <div className="chart-card wide">
+                              <h3>活跃时段</h3>
+                              <div className="chart-wrapper">
+                                <ReactECharts 
+                                  option={{
+                                    tooltip: { trigger: 'axis' },
+                                    xAxis: { type: 'category', data: Array.from({ length: 24 }, (_, i) => `${i}时`) },
+                                    yAxis: { type: 'value' },
+                                    series: [{ type: 'bar', data: Array.from({ length: 24 }, (_, i) => memberAnalyticsData.timeDistribution[i] || 0), itemStyle: { color: '#07c160', borderRadius: [4, 4, 0, 0] } }]
+                                  }} 
+                                  style={{ height: '300px', width: '100%' }} 
+                                />
+                              </div>
+                            </div>
+                            
+                            <div className="chart-card wide">
+                              <h3>消息类型分布</h3>
+                              <div className="chart-wrapper">
+                                <ReactECharts 
+                                  option={{
+                                    tooltip: { trigger: 'item', formatter: '{b}: {c} ({d}%)' },
+                                    series: [{
+                                      type: 'pie',
+                                      radius: ['40%', '70%'],
+                                      data: [
+                                        { name: '文本', value: memberAnalyticsData.statistics.textMessages, itemStyle: { color: '#3b82f6' } },
+                                        { name: '图片', value: memberAnalyticsData.statistics.imageMessages, itemStyle: { color: '#22c55e' } },
+                                        { name: '语音', value: memberAnalyticsData.statistics.voiceMessages, itemStyle: { color: '#f97316' } },
+                                        { name: '视频', value: memberAnalyticsData.statistics.videoMessages, itemStyle: { color: '#a855f7' } },
+                                        { name: '表情', value: memberAnalyticsData.statistics.emojiMessages, itemStyle: { color: '#ec4899' } },
+                                        { name: '其他', value: memberAnalyticsData.statistics.otherMessages, itemStyle: { color: '#6b7280' } }
+                                      ].filter(item => item.value > 0),
+                                      label: { show: true, formatter: '{b} {d}%' }
+                                    }]
+                                  }} 
+                                  style={{ height: '300px', width: '100%' }} 
+                                />
+                              </div>
+                            </div>
+                            <div className="chart-card wide" style={{ display: 'flex', gap: '32px' }}>
+                              <div style={{ flex: 1 }}>
+                                <h3 style={{ display: 'flex', alignItems: 'center', gap: '6px' }}><Hash size={18} /> 常用语</h3>
+                                <div style={{ display: 'flex', flexWrap: 'wrap', gap: '8px' }}>
+                                  {memberAnalyticsData.commonPhrases && memberAnalyticsData.commonPhrases.length > 0 ? (
+                                    memberAnalyticsData.commonPhrases.map((item: any, idx: number) => (
+                                      <div key={idx} style={{ background: 'var(--bg-tertiary)', padding: '6px 12px', borderRadius: '8px', fontSize: '13px', display: 'flex', alignItems: 'center', gap: '6px', border: '1px solid var(--border-color)' }}>
+                                        <span style={{ color: 'var(--text-primary)' }}>{item.phrase}</span>
+                                        <span style={{ color: 'var(--text-tertiary)', fontSize: '11px' }}>{item.count}次</span>
+                                      </div>
+                                    ))
+                                  ) : (
+                                    <span style={{ color: 'var(--text-tertiary)', fontSize: '13px' }}>暂无常用语数据</span>
+                                  )}
+                                </div>
+                              </div>
+                              <div style={{ flex: 1 }}>
+                                <h3 style={{ display: 'flex', alignItems: 'center', gap: '6px' }}><Smile size={18} /> 常用表情</h3>
+                                <div style={{ display: 'flex', flexWrap: 'wrap', gap: '8px' }}>
+                                  {memberAnalyticsData.commonEmojis && memberAnalyticsData.commonEmojis.length > 0 ? (
+                                    memberAnalyticsData.commonEmojis.map((item: any, idx: number) => (
+                                      <div key={idx} style={{ background: 'var(--bg-tertiary)', padding: '6px 12px', borderRadius: '8px', fontSize: '13px', display: 'flex', alignItems: 'center', gap: '6px', border: '1px solid var(--border-color)' }}>
+                                        <span style={{ color: 'var(--text-primary)' }}>{item.emoji}</span>
+                                        <span style={{ color: 'var(--text-tertiary)', fontSize: '11px' }}>{item.count}次</span>
+                                      </div>
+                                    ))
+                                  ) : (
+                                    <span style={{ color: 'var(--text-tertiary)', fontSize: '13px' }}>暂无表情包数据</span>
+                                  )}
+                                </div>
+                              </div>
+                            </div>
+                          </div>
+                        </div>
+                      ) : (
+                        <div className="content-loading"><Loader2 size={32} className="spin" /></div>
+                      )}
+                    </>
+                  )}
+                </div>
+              )}
               {selectedFunction === 'ranking' && (
                 <div className="rankings-list">
                   {rankings.map((item, index) => (

src/types/electron.d.ts

@@ -496,6 +496,28 @@ export interface ElectronAPI {
       }
       error?: string
     }>
+    getGroupMemberAnalytics: (chatroomId: string, memberUsername: string, startTime?: number, endTime?: number) => Promise<{
+      success: boolean
+      data?: {
+        statistics: {
+          totalMessages: number
+          textMessages: number
+          imageMessages: number
+          voiceMessages: number
+          videoMessages: number
+          emojiMessages: number
+          otherMessages: number
+          sentMessages: number
+          receivedMessages: number
+          firstMessageTime: number | null
+          lastMessageTime: number | null
+          activeDays: number
+          messageTypeCounts: Record<number, number>
+        }
+        timeDistribution: Record<number, number>
+      }
+      error?: string
+    }>
     getGroupMemberMessages: (
       chatroomId: string,
       memberUsername: string,