diff --git a/electron/main/ipc/chat.ts b/electron/main/ipc/chat.ts
index 01716ab..2d3e217 100644
--- a/electron/main/ipc/chat.ts
+++ b/electron/main/ipc/chat.ts
@@ -513,6 +513,43 @@ export function registerChatHandlers(ctx: IpcContext): void {
     }
   )
 
+  /**
+   * 获取小团体关系图数据（基于时间相邻共现）
+   */
+  ipcMain.handle(
+    'chat:getClusterGraph',
+    async (
+      _,
+      sessionId: string,
+      filter?: { startTs?: number; endTs?: number },
+      options?: {
+        lookAhead?: number
+        decaySeconds?: number
+        minScore?: number
+        topEdges?: number
+      }
+    ) => {
+      try {
+        return await worker.getClusterGraph(sessionId, filter, options)
+      } catch (error) {
+        console.error('获取小团体关系图失败：', error)
+        return {
+          nodes: [],
+          links: [],
+          maxLinkValue: 0,
+          communities: [],
+          stats: {
+            totalMembers: 0,
+            totalMessages: 0,
+            involvedMembers: 0,
+            edgeCount: 0,
+            communityCount: 0,
+          },
+        }
+      }
+    }
+  )
+
   /**
    * 获取含笑量分析数据
    */
diff --git a/electron/main/worker/dbWorker.ts b/electron/main/worker/dbWorker.ts
index fea1cff..004d3e2 100644
--- a/electron/main/worker/dbWorker.ts
+++ b/electron/main/worker/dbWorker.ts
@@ -33,6 +33,7 @@ import {
   getMentionAnalysis,
   getMentionGraph,
   getLaughAnalysis,
+  getClusterGraph,
   getMemeBattleAnalysis,
   getCheckInAnalysis,
   searchMessages,
@@ -123,6 +124,7 @@ const syncHandlers: Record<string, (payload: any) => any> = {
   getMentionAnalysis: (p) => getMentionAnalysis(p.sessionId, p.filter),
   getMentionGraph: (p) => getMentionGraph(p.sessionId, p.filter),
   getLaughAnalysis: (p) => getLaughAnalysis(p.sessionId, p.filter, p.keywords),
+  getClusterGraph: (p) => getClusterGraph(p.sessionId, p.filter, p.options),
   getMemeBattleAnalysis: (p) => getMemeBattleAnalysis(p.sessionId, p.filter),
   getCheckInAnalysis: (p) => getCheckInAnalysis(p.sessionId, p.filter),
 
diff --git a/electron/main/worker/query/advanced/index.ts b/electron/main/worker/query/advanced/index.ts
index 3b323e1..d3cb961 100644
--- a/electron/main/worker/query/advanced/index.ts
+++ b/electron/main/worker/query/advanced/index.ts
@@ -12,6 +12,14 @@ export { getNightOwlAnalysis, getDragonKingAnalysis, getDivingAnalysis, getCheck
 // 行为分析：斗图
 export { getMemeBattleAnalysis } from './behavior'
 
-// 社交分析：@ 互动、含笑量
-export { getMentionAnalysis, getMentionGraph, getLaughAnalysis } from './social'
-export type { MentionGraphData, MentionGraphNode, MentionGraphLink } from './social'
+// 社交分析：@ 互动、含笑量、小团体
+export { getMentionAnalysis, getMentionGraph, getLaughAnalysis, getClusterGraph } from './social'
+export type {
+  MentionGraphData,
+  MentionGraphNode,
+  MentionGraphLink,
+  ClusterGraphData,
+  ClusterGraphNode,
+  ClusterGraphLink,
+  ClusterGraphOptions,
+} from './social'
diff --git a/electron/main/worker/query/advanced/social.ts b/electron/main/worker/query/advanced/social.ts
index f36d359..fa3bfde 100644
--- a/electron/main/worker/query/advanced/social.ts
+++ b/electron/main/worker/query/advanced/social.ts
@@ -670,3 +670,343 @@ export function getLaughAnalysis(sessionId: string, filter?: TimeFilter, keyword
     groupLaughRate: Math.round((totalLaughs / totalMessages) * 10000) / 100,
   }
 }
+
+// ==================== 小团体关系图（时间相邻共现） ====================
+
+/**
+ * 小团体关系图参数
+ */
+export interface ClusterGraphOptions {
+  /** 向后看几个不同发言者（默认3） */
+  lookAhead?: number
+  /** 时间衰减常数（秒，默认120） */
+  decaySeconds?: number
+  /** 最多保留边数（默认100） */
+  topEdges?: number
+}
+
+/**
+ * 小团体图节点
+ */
+export interface ClusterGraphNode {
+  id: number
+  name: string
+  messageCount: number
+  symbolSize: number
+  degree: number
+  normalizedDegree: number
+}
+
+/**
+ * 小团体图边
+ */
+export interface ClusterGraphLink {
+  source: string
+  target: string
+  value: number
+  rawScore: number
+  expectedScore: number
+  coOccurrenceCount: number
+}
+
+/**
+ * 小团体图结果
+ */
+export interface ClusterGraphData {
+  nodes: ClusterGraphNode[]
+  links: ClusterGraphLink[]
+  maxLinkValue: number
+  communities: Array<{ id: number; name: string; size: number }>
+  stats: {
+    totalMembers: number
+    totalMessages: number
+    involvedMembers: number
+    edgeCount: number
+    communityCount: number
+  }
+}
+
+const DEFAULT_CLUSTER_OPTIONS = {
+  lookAhead: 3,
+  decaySeconds: 120,
+  topEdges: 100,
+}
+
+function roundNum(value: number, digits = 4): number {
+  const factor = 10 ** digits
+  return Math.round(value * factor) / factor
+}
+
+function clusterPairKey(aId: number, bId: number): string {
+  return aId < bId ? `${aId}-${bId}` : `${bId}-${aId}`
+}
+
+/**
+ * 获取小团体关系图（基于时间相邻共现）
+ *
+ * 算法原理：
+ * 1. 相邻定义：消息A发出后，后续N个不同发言者视为与A的发言者"相邻"
+ * 2. 时间衰减：越快出现的相邻者权重越高 (exp(-delta/decay))
+ * 3. 归一化：raw_score / expected_score，去除"话唠偏差"
+ * 4. 社区检测：加权标签传播
+ */
+export function getClusterGraph(
+  sessionId: string,
+  filter?: TimeFilter,
+  options?: ClusterGraphOptions
+): ClusterGraphData {
+  const db = openDatabase(sessionId)
+  const opts = { ...DEFAULT_CLUSTER_OPTIONS, ...options }
+
+  const emptyResult: ClusterGraphData = {
+    nodes: [],
+    links: [],
+    maxLinkValue: 0,
+    communities: [],
+    stats: {
+      totalMembers: 0,
+      totalMessages: 0,
+      involvedMembers: 0,
+      edgeCount: 0,
+      communityCount: 0,
+    },
+  }
+
+  if (!db) return emptyResult
+
+  // 1. 查询所有成员
+  const members = db
+    .prepare(
+      `
+      SELECT 
+        id, 
+        platform_id as platformId, 
+        COALESCE(group_nickname, account_name, platform_id) as name,
+        (SELECT COUNT(*) FROM message WHERE sender_id = member.id) as messageCount
+      FROM member
+      WHERE COALESCE(account_name, '') != '系统消息'
+    `
+    )
+    .all() as Array<{ id: number; platformId: string; name: string; messageCount: number }>
+
+  if (members.length < 2) return { ...emptyResult, stats: { ...emptyResult.stats, totalMembers: members.length } }
+
+  const memberInfo = new Map<number, { name: string; platformId: string; messageCount: number }>()
+  for (const m of members) {
+    memberInfo.set(m.id, { name: m.name, platformId: m.platformId, messageCount: m.messageCount })
+  }
+
+  // 2. 查询消息（按时间排序）
+  const { clause, params } = buildTimeFilter(filter)
+  let whereClause = clause
+  if (whereClause.includes('WHERE')) {
+    whereClause += " AND COALESCE(m.account_name, '') != '系统消息'"
+  } else {
+    whereClause = " WHERE COALESCE(m.account_name, '') != '系统消息'"
+  }
+
+  const messages = db
+    .prepare(
+      `
+      SELECT msg.sender_id as senderId, msg.ts as ts
+      FROM message msg
+      JOIN member m ON msg.sender_id = m.id
+      ${whereClause}
+      ORDER BY msg.ts ASC, msg.id ASC
+    `
+    )
+    .all(...params) as Array<{ senderId: number; ts: number }>
+
+  if (messages.length < 2) {
+    return { ...emptyResult, stats: { ...emptyResult.stats, totalMembers: members.length, totalMessages: messages.length } }
+  }
+
+  // 3. 统计每个成员的消息数（用于归一化）
+  const memberMsgCount = new Map<number, number>()
+  for (const msg of messages) {
+    memberMsgCount.set(msg.senderId, (memberMsgCount.get(msg.senderId) || 0) + 1)
+  }
+
+  const totalMessages = messages.length
+
+  // 4. 计算成员对的原始相邻分数
+  const pairRawScore = new Map<string, number>()
+  const pairCoOccurrence = new Map<string, number>()
+
+  for (let i = 0; i < messages.length - 1; i++) {
+    const anchor = messages[i]
+    const seenPartners = new Set<number>()
+    let partnersFound = 0
+
+    // 向后看 lookAhead 个不同发言者
+    for (let j = i + 1; j < messages.length && partnersFound < opts.lookAhead; j++) {
+      const candidate = messages[j]
+
+      // 跳过同一发言者
+      if (candidate.senderId === anchor.senderId) continue
+      // 跳过已计入的发言者
+      if (seenPartners.has(candidate.senderId)) continue
+
+      seenPartners.add(candidate.senderId)
+      partnersFound++
+
+      // 计算时间衰减权重
+      const deltaSeconds = (candidate.ts - anchor.ts) / 1000
+      const decayWeight = Math.exp(-deltaSeconds / opts.decaySeconds)
+      // 位置衰减：第1个邻居权重1，第2个0.8，第3个0.6
+      const positionWeight = 1 - (partnersFound - 1) * 0.2
+
+      const weight = decayWeight * positionWeight
+      const key = clusterPairKey(anchor.senderId, candidate.senderId)
+
+      pairRawScore.set(key, (pairRawScore.get(key) || 0) + weight)
+      pairCoOccurrence.set(key, (pairCoOccurrence.get(key) || 0) + 1)
+    }
+  }
+
+  // 5. 归一化：计算期望分数并除以期望
+  // 期望公式：expected = (A消息数/总数) × (B消息数/总数) × 总消息数 × 平均窗口覆盖率
+  // 简化：expected ≈ (A消息数 × B消息数) / 总消息数 × lookAhead因子
+  const lookAheadFactor = opts.lookAhead * 0.8 // 平均每条消息能覆盖的邻居数
+
+  // 收集所有边和分数
+  const rawEdges: Array<{
+    sourceId: number
+    targetId: number
+    rawScore: number
+    expectedScore: number
+    normalizedScore: number
+    coOccurrenceCount: number
+  }> = []
+
+  for (const [key, rawScore] of pairRawScore) {
+    const [aIdStr, bIdStr] = key.split('-')
+    const aId = parseInt(aIdStr)
+    const bId = parseInt(bIdStr)
+
+    const aMsgCount = memberMsgCount.get(aId) || 0
+    const bMsgCount = memberMsgCount.get(bId) || 0
+
+    // 期望分数（保留用于参考）
+    const expectedScore = ((aMsgCount * bMsgCount) / totalMessages) * lookAheadFactor
+    const normalizedScore = expectedScore > 0 ? rawScore / expectedScore : 0
+
+    rawEdges.push({
+      sourceId: aId,
+      targetId: bId,
+      rawScore,
+      expectedScore,
+      normalizedScore,
+      coOccurrenceCount: pairCoOccurrence.get(key) || 0,
+    })
+  }
+
+  // 计算最大分数，用于归一化到 [0, 1]
+  const maxRawScore = Math.max(...rawEdges.map((e) => e.rawScore), 1)
+  const maxNormalizedScore = Math.max(...rawEdges.map((e) => e.normalizedScore), 1)
+
+  // 混合分数：50% 原始分数 + 50% 归一化分数
+  const edges = rawEdges.map((e) => {
+    const hybridScore = 0.5 * (e.rawScore / maxRawScore) + 0.5 * (e.normalizedScore / maxNormalizedScore)
+
+    return {
+      ...e,
+      rawScore: roundNum(e.rawScore),
+      expectedScore: roundNum(e.expectedScore),
+      normalizedScore: roundNum(e.normalizedScore),
+      hybridScore: roundNum(hybridScore),
+    }
+  })
+
+  // 6. 按原始分数排序，取 Top N
+  edges.sort((a, b) => b.hybridScore - a.hybridScore)
+  const keptEdges = edges.slice(0, opts.topEdges)
+
+  if (keptEdges.length === 0) {
+    return {
+      ...emptyResult,
+      stats: { ...emptyResult.stats, totalMembers: members.length, totalMessages: messages.length },
+    }
+  }
+
+  // 7. 找出参与的成员
+  const involvedIds = new Set<number>()
+  for (const edge of keptEdges) {
+    involvedIds.add(edge.sourceId)
+    involvedIds.add(edge.targetId)
+  }
+
+  // 8. 计算节点度数（使用混合分数）
+  const nodeDegree = new Map<number, number>()
+  for (const edge of keptEdges) {
+    nodeDegree.set(edge.sourceId, (nodeDegree.get(edge.sourceId) || 0) + edge.hybridScore)
+    nodeDegree.set(edge.targetId, (nodeDegree.get(edge.targetId) || 0) + edge.hybridScore)
+  }
+  const maxDegree = Math.max(...nodeDegree.values(), 1)
+
+  // 10. 构建唯一显示名称（处理同名）
+  const nameCount = new Map<string, number>()
+  for (const id of involvedIds) {
+    const name = memberInfo.get(id)?.name || String(id)
+    nameCount.set(name, (nameCount.get(name) || 0) + 1)
+  }
+
+  const displayNames = new Map<number, string>()
+  for (const id of involvedIds) {
+    const info = memberInfo.get(id)
+    const baseName = info?.name || String(id)
+    if ((nameCount.get(baseName) || 0) > 1) {
+      displayNames.set(id, `${baseName}#${(info?.platformId || String(id)).slice(-4)}`)
+    } else {
+      displayNames.set(id, baseName)
+    }
+  }
+
+  // 11. 构建输出
+  const maxMsgCount = Math.max(...[...involvedIds].map((id) => memberInfo.get(id)?.messageCount || 0), 1)
+
+  const nodes: ClusterGraphNode[] = [...involvedIds].map((id) => {
+    const info = memberInfo.get(id)!
+    const degree = nodeDegree.get(id) || 0
+    const normalizedDegree = degree / maxDegree
+    const msgNorm = info.messageCount / maxMsgCount
+    // 节点大小：70% 基于度数，30% 基于消息数
+    const symbolSize = 20 + (0.7 * normalizedDegree + 0.3 * msgNorm) * 35
+
+    return {
+      id,
+      name: displayNames.get(id)!,
+      messageCount: info.messageCount,
+      symbolSize: Math.round(symbolSize),
+      degree: roundNum(degree),
+      normalizedDegree: roundNum(normalizedDegree),
+    }
+  })
+
+  nodes.sort((a, b) => b.degree - a.degree)
+
+  const maxLinkValue = keptEdges.length > 0 ? Math.max(...keptEdges.map((e) => e.hybridScore)) : 0
+
+  const links: ClusterGraphLink[] = keptEdges.map((e) => ({
+    source: displayNames.get(e.sourceId)!,
+    target: displayNames.get(e.targetId)!,
+    value: e.hybridScore, // 使用混合分数作为主要输出
+    rawScore: e.rawScore,
+    expectedScore: e.expectedScore,
+    coOccurrenceCount: e.coOccurrenceCount,
+  }))
+
+  return {
+    nodes,
+    links,
+    maxLinkValue: roundNum(maxLinkValue),
+    communities: [], // 保留字段兼容性，但不再计算
+    stats: {
+      totalMembers: members.length,
+      totalMessages: messages.length,
+      involvedMembers: involvedIds.size,
+      edgeCount: keptEdges.length,
+      communityCount: 0,
+    },
+  }
+}
diff --git a/electron/main/worker/query/index.ts b/electron/main/worker/query/index.ts
index 78c2bfe..2a6d3f2 100644
--- a/electron/main/worker/query/index.ts
+++ b/electron/main/worker/query/index.ts
@@ -41,8 +41,12 @@ export {
   getMentionAnalysis,
   getMentionGraph,
   getLaughAnalysis,
+  getClusterGraph,
 } from './advanced'
 
+// 小团体图类型
+export type { ClusterGraphData, ClusterGraphNode, ClusterGraphLink, ClusterGraphOptions } from './advanced'
+
 // 聊天记录查询
 export {
   searchMessages,
diff --git a/electron/main/worker/workerManager.ts b/electron/main/worker/workerManager.ts
index 7c94c1c..d2ef608 100644
--- a/electron/main/worker/workerManager.ts
+++ b/electron/main/worker/workerManager.ts
@@ -306,6 +306,10 @@ export async function getLaughAnalysis(sessionId: string, filter?: any, keywords
   return sendToWorker('getLaughAnalysis', { sessionId, filter, keywords })
 }
 
+export async function getClusterGraph(sessionId: string, filter?: any, options?: any): Promise<any> {
+  return sendToWorker('getClusterGraph', { sessionId, filter, options })
+}
+
 export async function getMemeBattleAnalysis(sessionId: string, filter?: any): Promise<any> {
   return sendToWorker('getMemeBattleAnalysis', { sessionId, filter })
 }
diff --git a/electron/preload/apis/chat.ts b/electron/preload/apis/chat.ts
index 92025b6..3930c10 100644
--- a/electron/preload/apis/chat.ts
+++ b/electron/preload/apis/chat.ts
@@ -20,6 +20,8 @@ import type {
   CheckInAnalysis,
   MemeBattleAnalysis,
   MemberWithStats,
+  ClusterGraphData,
+  ClusterGraphOptions,
 } from '../../../src/types/analysis'
 import type { FileParseInfo, ConflictCheckResult, MergeParams, MergeResult } from '../../../src/types/format'
 
@@ -277,6 +279,17 @@ export const chatApi = {
     return ipcRenderer.invoke('chat:getMentionGraph', sessionId, filter)
   },
 
+  /**
+   * 获取小团体关系图数据（基于时间相邻共现）
+   */
+  getClusterGraph: (
+    sessionId: string,
+    filter?: { startTs?: number; endTs?: number },
+    options?: ClusterGraphOptions
+  ): Promise<ClusterGraphData> => {
+    return ipcRenderer.invoke('chat:getClusterGraph', sessionId, filter, options)
+  },
+
   /**
    * 获取含笑量分析数据
    */
diff --git a/electron/preload/index.d.ts b/electron/preload/index.d.ts
index 680cac4..3b363eb 100644
--- a/electron/preload/index.d.ts
+++ b/electron/preload/index.d.ts
@@ -17,6 +17,8 @@ import type {
   MemeBattleAnalysis,
   CheckInAnalysis,
   MemberWithStats,
+  ClusterGraphData,
+  ClusterGraphOptions,
 } from '../../src/types/analysis'
 import type { FileParseInfo, ConflictCheckResult, MergeParams, MergeResult } from '../../src/types/format'
 import type { TableSchema, SQLResult } from '../../src/components/analysis/SQLLab/types'
@@ -131,6 +133,7 @@ interface ChatApi {
   getDivingAnalysis: (sessionId: string, filter?: TimeFilter) => Promise<DivingAnalysis>
   getMentionAnalysis: (sessionId: string, filter?: TimeFilter) => Promise<MentionAnalysis>
   getMentionGraph: (sessionId: string, filter?: TimeFilter) => Promise<MentionGraphData>
+  getClusterGraph: (sessionId: string, filter?: TimeFilter, options?: ClusterGraphOptions) => Promise<ClusterGraphData>
   getLaughAnalysis: (sessionId: string, filter?: TimeFilter, keywords?: string[]) => Promise<LaughAnalysis>
   getMemeBattleAnalysis: (sessionId: string, filter?: TimeFilter) => Promise<MemeBattleAnalysis>
   getCheckInAnalysis: (sessionId: string, filter?: TimeFilter) => Promise<CheckInAnalysis>
diff --git a/src/components/view/ClusterView.vue b/src/components/view/ClusterView.vue
new file mode 100644
index 0000000..a8c091b
--- /dev/null
+++ b/src/components/view/ClusterView.vue
@@ -0,0 +1,656 @@
+<script setup lang="ts">
+/**
+ * 小团体关系视图
+ * 支持两种展示模式：矩阵热力图 和 圈子视图
+ */
+import { ref, computed, watch, onMounted, onUnmounted, nextTick } from 'vue'
+import { useI18n } from 'vue-i18n'
+import * as echarts from 'echarts/core'
+import { HeatmapChart } from 'echarts/charts'
+import { TooltipComponent, GridComponent, VisualMapComponent } from 'echarts/components'
+import { CanvasRenderer } from 'echarts/renderers'
+import { useDark } from '@vueuse/core'
+import type { EChartsOption } from 'echarts'
+import type { ClusterGraphData, ClusterGraphOptions, ClusterGraphNode } from '@/types/analysis'
+
+echarts.use([HeatmapChart, TooltipComponent, GridComponent, VisualMapComponent, CanvasRenderer])
+
+const { t } = useI18n()
+
+interface TimeFilter {
+  startTs?: number
+  endTs?: number
+}
+
+const props = defineProps<{
+  sessionId: string
+  timeFilter?: TimeFilter
+  memberId?: number | null
+}>()
+
+// 数据状态
+const isLoading = ref(true)
+const graphData = ref<ClusterGraphData | null>(null)
+
+// 视图模式
+const viewMode = ref<'matrix' | 'member' | 'circle'>('matrix')
+
+// 成员视图状态
+const selectedMemberId = ref<number | null>(null)
+
+// 模型参数
+const modelOptions = ref<ClusterGraphOptions>({
+  lookAhead: 3,
+  decaySeconds: 120,
+  topEdges: 150,
+})
+
+// 图表引用
+const chartRef = ref<HTMLElement | null>(null)
+let chartInstance: echarts.ECharts | null = null
+const isDark = useDark()
+
+// 加载数据
+async function loadData() {
+  console.log('[ClusterView] loadData called', {
+    sessionId: props.sessionId,
+    viewMode: viewMode.value,
+    hasChartInstance: !!chartInstance,
+  })
+  if (!props.sessionId) return
+
+  isLoading.value = true
+  try {
+    const filter = props.timeFilter ? { ...props.timeFilter } : undefined
+    const options = {
+      lookAhead: modelOptions.value.lookAhead,
+      decaySeconds: modelOptions.value.decaySeconds,
+      topEdges: modelOptions.value.topEdges,
+    }
+    console.log('[ClusterView] calling getClusterGraph with options', options)
+    graphData.value = await window.chatApi.getClusterGraph(props.sessionId, filter, options)
+    console.log('[ClusterView] getClusterGraph returned', {
+      nodeCount: graphData.value?.nodes?.length,
+      linkCount: graphData.value?.links?.length,
+    })
+  } catch (error) {
+    console.error('加载小团体关系数据失败:', error)
+    graphData.value = null
+  } finally {
+    isLoading.value = false
+    console.log('[ClusterView] loadData finished, isLoading =', isLoading.value)
+  }
+}
+
+// ==================== 矩阵热力图 ====================
+
+// 构建矩阵数据
+const matrixData = computed(() => {
+  if (!graphData.value || graphData.value.nodes.length === 0) return null
+
+  const { nodes, links, maxLinkValue } = graphData.value
+
+  // 按消息数排序的成员名（限制数量避免过于拥挤）
+  const sortedNodes = [...nodes].sort((a, b) => b.messageCount - a.messageCount).slice(0, 20)
+  const names = sortedNodes.map((n) => n.name)
+
+  // 构建关系矩阵
+  const linkMap = new Map<string, number>()
+  for (const link of links) {
+    linkMap.set(`${link.source}-${link.target}`, link.value)
+    linkMap.set(`${link.target}-${link.source}`, link.value)
+  }
+
+  // 生成热力图数据
+  const data: Array<[number, number, number]> = []
+  for (let i = 0; i < names.length; i++) {
+    for (let j = 0; j < names.length; j++) {
+      if (i === j) {
+        data.push([i, j, -1]) // 对角线标记为 -1
+      } else {
+        const value = linkMap.get(`${names[i]}-${names[j]}`) || 0
+        data.push([i, j, value])
+      }
+    }
+  }
+
+  return { names, data, maxValue: maxLinkValue }
+})
+
+// 构建热力图选项
+function buildHeatmapOptions(): EChartsOption {
+  if (!matrixData.value) {
+    return { graphic: { type: 'text', style: { text: t('noData'), fill: '#999' } } }
+  }
+
+  const { names, data, maxValue } = matrixData.value
+
+  return {
+    tooltip: {
+      position: 'top',
+      formatter: (params: any) => {
+        const [x, y, value] = params.data
+        if (value < 0) return `${names[x]}`
+        if (value === 0) return `${names[x]} ↔ ${names[y]}<br/>暂无关系数据`
+        return `${names[x]} ↔ ${names[y]}<br/>临近度: ${value.toFixed(2)}`
+      },
+    },
+    grid: {
+      left: 120,
+      right: 40,
+      top: 40,
+      bottom: 120,
+    },
+    xAxis: {
+      type: 'category',
+      data: names,
+      splitArea: { show: true },
+      axisLabel: {
+        rotate: 45,
+        fontSize: 10,
+        color: isDark.value ? '#ccc' : '#333',
+      },
+    },
+    yAxis: {
+      type: 'category',
+      data: names,
+      splitArea: { show: true },
+      axisLabel: {
+        fontSize: 10,
+        color: isDark.value ? '#ccc' : '#333',
+      },
+    },
+    visualMap: {
+      min: 0,
+      max: maxValue || 1,
+      calculable: true,
+      orient: 'horizontal',
+      left: 'center',
+      bottom: 10,
+      inRange: {
+        color: isDark.value
+          ? ['#1a1a2e', '#16213e', '#0f3460', '#e94560']
+          : ['#f7f7f7', '#fce4ec', '#f8bbd9', '#ee4567'],
+      },
+      textStyle: { color: isDark.value ? '#ccc' : '#333' },
+    },
+    series: [
+      {
+        type: 'heatmap',
+        data: data.filter((d) => d[2] >= 0), // 排除对角线
+        label: { show: false },
+        emphasis: {
+          itemStyle: {
+            shadowBlur: 10,
+            shadowColor: 'rgba(0, 0, 0, 0.5)',
+          },
+        },
+      },
+    ],
+    backgroundColor: 'transparent',
+  }
+}
+
+// ==================== 成员视图（选择一个人，查看所有关系） ====================
+
+// 所有参与的成员列表（按消息数排序）
+const memberList = computed(() => {
+  if (!graphData.value) return []
+  return [...graphData.value.nodes].sort((a, b) => b.messageCount - a.messageCount)
+})
+
+// 选中的成员信息
+const selectedMember = computed(() => {
+  if (!graphData.value || selectedMemberId.value === null) return null
+  return graphData.value.nodes.find((n) => n.id === selectedMemberId.value) || null
+})
+
+// 选中成员的所有关系（按分数排序）
+const selectedMemberRelations = computed(() => {
+  if (!graphData.value || !selectedMember.value) return []
+
+  const memberName = selectedMember.value.name
+  const relations: Array<{
+    otherName: string
+    value: number
+    coOccurrenceCount: number
+  }> = []
+
+  for (const link of graphData.value.links) {
+    if (link.source === memberName) {
+      relations.push({
+        otherName: link.target,
+        value: link.value,
+        coOccurrenceCount: link.coOccurrenceCount,
+      })
+    } else if (link.target === memberName) {
+      relations.push({
+        otherName: link.source,
+        value: link.value,
+        coOccurrenceCount: link.coOccurrenceCount,
+      })
+    }
+  }
+
+  // 按分数从高到低排序
+  relations.sort((a, b) => b.value - a.value)
+  return relations
+})
+
+// ==================== 排行视图 ====================
+
+// Top 关系排行（显示更多条目）
+const topRelations = computed(() => {
+  if (!graphData.value) return []
+  return graphData.value.links.slice(0, 50)
+})
+
+// ==================== 图表管理 ====================
+
+function updateChart() {
+  console.log('[ClusterView] updateChart called', {
+    hasChartInstance: !!chartInstance,
+    viewMode: viewMode.value,
+    isLoading: isLoading.value,
+  })
+  if (!chartInstance) {
+    console.log('[ClusterView] updateChart: no chartInstance, skipping')
+    return
+  }
+  if (viewMode.value === 'matrix') {
+    console.log('[ClusterView] updateChart: setting heatmap options')
+    chartInstance.setOption(buildHeatmapOptions(), { notMerge: true })
+  }
+}
+
+function initChart() {
+  console.log('[ClusterView] initChart called', {
+    hasChartRef: !!chartRef.value,
+    chartRefSize: chartRef.value ? { width: chartRef.value.clientWidth, height: chartRef.value.clientHeight } : null,
+  })
+  if (!chartRef.value) {
+    console.log('[ClusterView] initChart: no chartRef, skipping')
+    return
+  }
+  chartInstance = echarts.init(chartRef.value, isDark.value ? 'dark' : undefined)
+  console.log('[ClusterView] initChart: echarts instance created')
+  updateChart()
+}
+
+function handleResize() {
+  chartInstance?.resize()
+}
+
+// 切换视图时重新初始化图表
+watch(viewMode, async (newMode, oldMode) => {
+  console.log('[ClusterView] viewMode changed', { oldMode, newMode })
+  // 切换到非矩阵视图时，销毁图表实例
+  if (oldMode === 'matrix' && chartInstance) {
+    console.log('[ClusterView] disposing chart instance')
+    chartInstance.dispose()
+    chartInstance = null
+  }
+  
+  // 切换到矩阵视图时，重新初始化
+  if (newMode === 'matrix') {
+    await nextTick()
+    console.log('[ClusterView] reinitializing chart after view change')
+    initChart()
+  }
+})
+
+watch([graphData, isDark], () => {
+  console.log('[ClusterView] graphData/isDark changed', {
+    hasGraphData: !!graphData.value,
+    nodeCount: graphData.value?.nodes?.length,
+    viewMode: viewMode.value,
+    isLoading: isLoading.value,
+  })
+  if (viewMode.value === 'matrix') {
+    updateChart()
+  }
+}, { deep: true })
+
+// 加载完成后重新初始化图表（因为 v-if 会重新创建 DOM）
+watch(isLoading, async (loading, wasLoading) => {
+  console.log('[ClusterView] isLoading changed', { wasLoading, loading, viewMode: viewMode.value })
+  if (wasLoading && !loading && viewMode.value === 'matrix') {
+    // 销毁旧的图表实例（如果存在）
+    if (chartInstance) {
+      console.log('[ClusterView] disposing old chart instance after loading')
+      chartInstance.dispose()
+      chartInstance = null
+    }
+    // 等待 DOM 更新
+    await nextTick()
+    console.log('[ClusterView] reinitializing chart after loading complete')
+    initChart()
+  }
+})
+
+watch(
+  () => [props.sessionId, props.timeFilter, props.memberId],
+  () => loadData(),
+  { immediate: true, deep: true }
+)
+
+onMounted(() => {
+  window.addEventListener('resize', handleResize)
+  if (viewMode.value === 'matrix') {
+    nextTick(() => initChart())
+  }
+})
+
+onUnmounted(() => {
+  window.removeEventListener('resize', handleResize)
+  chartInstance?.dispose()
+  chartInstance = null
+})
+</script>
+
+<template>
+  <div class="p-4 h-full">
+    <div class="flex h-full flex-col rounded-lg border border-gray-200 dark:border-gray-700 bg-white dark:bg-gray-900 shadow-sm overflow-hidden">
+      <!-- 顶部工具栏 -->
+      <div class="flex items-center justify-between px-4 py-3 border-b border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-gray-800/50">
+      <div class="flex items-center gap-3">
+        <!-- 视图切换 -->
+        <UButtonGroup size="xs">
+          <UButton
+            :color="viewMode === 'matrix' ? 'primary' : 'neutral'"
+            :variant="viewMode === 'matrix' ? 'solid' : 'ghost'"
+            @click="viewMode = 'matrix'"
+          >
+            {{ t('matrixView') }}
+          </UButton>
+          <UButton
+            :color="viewMode === 'member' ? 'primary' : 'neutral'"
+            :variant="viewMode === 'member' ? 'solid' : 'ghost'"
+            @click="viewMode = 'member'"
+          >
+            {{ t('memberView') }}
+          </UButton>
+          <UButton
+            :color="viewMode === 'circle' ? 'primary' : 'neutral'"
+            :variant="viewMode === 'circle' ? 'solid' : 'ghost'"
+            @click="viewMode = 'circle'"
+          >
+            {{ t('rankingView') }}
+          </UButton>
+        </UButtonGroup>
+      </div>
+
+      <div class="flex items-center gap-3">
+        <!-- 参数设置 -->
+        <UPopover>
+          <UButton variant="ghost" size="xs" icon="i-heroicons-adjustments-horizontal" />
+          <template #content>
+            <div class="p-3 w-64">
+              <h4 class="text-sm font-medium mb-3">{{ t('modelSettings') }}</h4>
+              <div class="space-y-3">
+                <div>
+                  <label class="text-xs text-gray-500 mb-1 block">{{ t('lookAhead') }}</label>
+                  <UInput
+                    v-model.number="modelOptions.lookAhead"
+                    type="number"
+                    :min="1"
+                    :max="10"
+                    size="xs"
+                    placeholder="1-10"
+                  />
+                  <p class="text-xs text-gray-400 mt-1">{{ t('lookAheadDesc') }}</p>
+                </div>
+                <div>
+                  <label class="text-xs text-gray-500 mb-1 block">{{ t('decaySeconds') }}</label>
+                  <UInput
+                    v-model.number="modelOptions.decaySeconds"
+                    type="number"
+                    :min="30"
+                    :max="3600"
+                    size="xs"
+                    placeholder="30-3600"
+                  />
+                  <p class="text-xs text-gray-400 mt-1">{{ t('decaySecondsDesc') }}</p>
+                </div>
+                <UButton size="xs" color="primary" class="w-full mt-2" @click="loadData">
+                  {{ t('applySettings') }}
+                </UButton>
+              </div>
+            </div>
+          </template>
+        </UPopover>
+
+        <!-- 刷新 -->
+        <UButton variant="ghost" size="xs" icon="i-heroicons-arrow-path" @click="loadData" />
+      </div>
+    </div>
+
+    <!-- 内容区域 -->
+    <div class="flex-1 min-h-0 overflow-hidden">
+      <!-- 加载中 -->
+      <div v-if="isLoading" class="h-full flex items-center justify-center">
+        <UIcon name="i-heroicons-arrow-path" class="w-6 h-6 animate-spin text-gray-400" />
+      </div>
+
+      <!-- 无数据 -->
+      <div v-else-if="!graphData || graphData.nodes.length === 0" class="h-full flex items-center justify-center">
+        <div class="text-center text-gray-400">
+          <UIcon name="i-heroicons-user-group" class="w-12 h-12 mx-auto mb-2 opacity-50" />
+          <p>{{ t('noData') }}</p>
+        </div>
+      </div>
+
+      <!-- 矩阵热力图 -->
+      <div v-else-if="viewMode === 'matrix'" class="h-full">
+        <div ref="chartRef" class="w-full h-full" />
+      </div>
+
+      <!-- 成员视图 -->
+      <div v-else-if="viewMode === 'member'" class="h-full flex overflow-hidden">
+        <!-- 左侧：成员列表 -->
+        <div class="w-64 border-r border-gray-200 dark:border-gray-700 flex flex-col overflow-hidden">
+          <div class="px-4 py-3 border-b border-gray-200 dark:border-gray-700">
+            <h3 class="text-sm font-medium flex items-center gap-2">
+              <UIcon name="i-heroicons-users" class="w-4 h-4" />
+              {{ t('selectMember') }}
+            </h3>
+          </div>
+          <div class="flex-1 overflow-y-auto">
+            <div
+              v-for="member in memberList"
+              :key="member.id"
+              class="px-4 py-2 cursor-pointer border-b border-gray-100 dark:border-gray-800 hover:bg-gray-50 dark:hover:bg-gray-800/50"
+              :class="{ 'bg-primary-50 dark:bg-primary-900/30': selectedMemberId === member.id }"
+              @click="selectedMemberId = member.id"
+            >
+              <div class="flex items-center justify-between">
+                <span class="text-sm truncate">{{ member.name }}</span>
+                <span class="text-xs text-gray-400">{{ member.messageCount }}</span>
+              </div>
+            </div>
+          </div>
+        </div>
+
+        <!-- 右侧：选中成员的关系 -->
+        <div class="flex-1 overflow-hidden flex flex-col">
+          <div v-if="!selectedMember" class="flex-1 flex items-center justify-center">
+            <div class="text-center text-gray-400">
+              <UIcon name="i-heroicons-cursor-arrow-rays" class="w-12 h-12 mx-auto mb-2 opacity-50" />
+              <p>{{ t('selectMemberHint') }}</p>
+            </div>
+          </div>
+
+          <template v-else>
+            <!-- 选中成员信息 -->
+            <div class="px-4 py-3 border-b border-gray-200 dark:border-gray-700 flex items-center gap-3">
+              <div
+                class="w-10 h-10 rounded-full flex items-center justify-center text-white font-bold bg-primary-500"
+              >
+                {{ selectedMember.name.charAt(0) }}
+              </div>
+              <div>
+                <div class="font-medium">{{ selectedMember.name }}</div>
+                <div class="text-xs text-gray-400">
+                  {{ t('msgCount') }}: {{ selectedMember.messageCount }} | 
+                  {{ t('relationCount') }}: {{ selectedMemberRelations.length }}
+                </div>
+              </div>
+            </div>
+
+            <!-- 关系排行 -->
+            <div class="px-4 py-3 border-b border-gray-200 dark:border-gray-700">
+              <h3 class="text-sm font-medium flex items-center gap-2">
+                <UIcon name="i-heroicons-heart" class="w-4 h-4 text-pink-500" />
+                {{ t('relationsByIntimacy') }}
+              </h3>
+            </div>
+
+            <div class="flex-1 overflow-y-auto">
+              <div v-if="selectedMemberRelations.length === 0" class="p-4 text-center text-gray-400">
+                {{ t('noRelations') }}
+              </div>
+              <div
+                v-for="(relation, index) in selectedMemberRelations"
+                :key="relation.otherName"
+                class="px-4 py-3 border-b border-gray-100 dark:border-gray-800 hover:bg-gray-50 dark:hover:bg-gray-800/50"
+              >
+                <div class="flex items-center gap-3">
+                  <span
+                    class="w-6 h-6 rounded-full flex items-center justify-center text-xs font-bold"
+                    :class="index < 3 ? 'bg-yellow-100 text-yellow-700 dark:bg-yellow-900/30 dark:text-yellow-400' : 'bg-gray-100 text-gray-500 dark:bg-gray-800 dark:text-gray-400'"
+                  >
+                    {{ index + 1 }}
+                  </span>
+                  <div class="flex-1 min-w-0">
+                    <div class="text-sm font-medium truncate">{{ relation.otherName }}</div>
+                    <div class="flex items-center gap-3 mt-0.5 text-xs text-gray-400">
+                      <span>{{ t('intimacy') }}: {{ (relation.value * 100).toFixed(0) }}%</span>
+                      <span>{{ t('coOccurrence') }}: {{ relation.coOccurrenceCount }}{{ t('times') }}</span>
+                    </div>
+                  </div>
+                  <!-- 亲密度条（以最高分为100%基准） -->
+                  <div class="w-20 h-2 bg-gray-200 dark:bg-gray-700 rounded-full overflow-hidden">
+                    <div
+                      class="h-full bg-linear-to-r from-pink-400 to-pink-600"
+                      :style="{ width: `${selectedMemberRelations[0]?.value ? (relation.value / selectedMemberRelations[0].value * 100) : 0}%` }"
+                    />
+                  </div>
+                </div>
+              </div>
+            </div>
+          </template>
+        </div>
+      </div>
+
+      <!-- 排行视图 -->
+      <div v-else class="h-full flex flex-col overflow-hidden">
+        <div class="px-4 py-3 border-b border-gray-200 dark:border-gray-700">
+          <h3 class="text-sm font-medium flex items-center gap-2">
+            <UIcon name="i-heroicons-trophy" class="w-4 h-4 text-yellow-500" />
+            {{ t('interactionRanking') }}
+          </h3>
+        </div>
+        <div class="flex-1 overflow-y-auto">
+          <div v-for="(link, index) in topRelations" :key="index" class="px-4 py-3 border-b border-gray-100 dark:border-gray-800 hover:bg-gray-50 dark:hover:bg-gray-800/50">
+            <div class="flex items-center gap-3">
+              <span
+                class="w-8 h-8 rounded-full flex items-center justify-center text-sm font-bold"
+                :class="index < 3 ? 'bg-yellow-100 text-yellow-700 dark:bg-yellow-900/30 dark:text-yellow-400' : 'bg-gray-100 text-gray-500 dark:bg-gray-800 dark:text-gray-400'"
+              >
+                {{ index + 1 }}
+              </span>
+              <div class="flex-1 min-w-0">
+                <div class="flex items-center gap-2 text-sm">
+                  <span class="font-medium truncate">{{ link.source }}</span>
+                  <span class="text-gray-400">↔</span>
+                  <span class="font-medium truncate">{{ link.target }}</span>
+                </div>
+                <div class="flex items-center gap-3 mt-1 text-xs text-gray-400">
+                  <span>{{ t('score') }}: {{ link.value.toFixed(2) }}</span>
+                  <span>{{ t('coOccurrence') }}: {{ link.coOccurrenceCount }}{{ t('times') }}</span>
+                </div>
+              </div>
+              <!-- 临近度条（以最高分为100%基准） -->
+              <div class="w-24 h-2 bg-gray-200 dark:bg-gray-700 rounded-full overflow-hidden">
+                <div
+                  class="h-full bg-linear-to-r from-yellow-400 to-orange-500"
+                  :style="{ width: `${topRelations[0]?.value ? (link.value / topRelations[0].value * 100) : 0}%` }"
+                />
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+
+      <!-- 底部统计 -->
+      <div v-if="graphData" class="px-4 py-2 border-t border-gray-200 dark:border-gray-700 text-xs text-gray-400 flex items-center gap-4 bg-gray-50 dark:bg-gray-800/50">
+        <span>{{ t('totalMembers') }}: {{ graphData.stats.totalMembers }}</span>
+        <span>{{ t('totalMessages') }}: {{ graphData.stats.totalMessages.toLocaleString() }}</span>
+        <span>{{ t('involvedMembers') }}: {{ graphData.stats.involvedMembers }}</span>
+        <span>{{ t('edgeCount') }}: {{ graphData.stats.edgeCount }}</span>
+      </div>
+    </div>
+  </div>
+</template>
+
+<i18n>
+{
+  "zh-CN": {
+    "title": "互动频率",
+    "rankingView": "排行视图",
+    "memberView": "成员视图",
+    "matrixView": "矩阵视图",
+    "modelSettings": "模型参数",
+    "lookAhead": "邻居数量",
+    "lookAheadDesc": "每条消息向后看几个发言者",
+    "decaySeconds": "时间衰减（秒）",
+    "decaySecondsDesc": "值越大，远距离消息权重越高",
+    "applySettings": "应用设置",
+    "noData": "暂无数据",
+    "selectMember": "选择成员",
+    "selectMemberHint": "请从左侧选择一个成员",
+    "msgCount": "发言数",
+    "relationCount": "关系数",
+    "relationsByIntimacy": "发言临近度排行",
+    "noRelations": "暂无关系数据",
+    "intimacy": "临近度",
+    "interactionRanking": "互动排行",
+    "score": "临近度",
+    "coOccurrence": "共现",
+    "times": "次",
+    "totalMembers": "群成员",
+    "totalMessages": "消息总数",
+    "involvedMembers": "参与成员",
+    "edgeCount": "关系数"
+  },
+  "en-US": {
+    "title": "Interaction Frequency",
+    "rankingView": "Ranking",
+    "memberView": "Member View",
+    "matrixView": "Matrix View",
+    "modelSettings": "Model Settings",
+    "lookAhead": "Look Ahead",
+    "lookAheadDesc": "Messages to look ahead per sender",
+    "decaySeconds": "Time Decay (sec)",
+    "decaySecondsDesc": "Higher = distant messages matter more",
+    "applySettings": "Apply",
+    "noData": "No data",
+    "selectMember": "Select Member",
+    "selectMemberHint": "Select a member from the left",
+    "msgCount": "Messages",
+    "relationCount": "Relations",
+    "relationsByIntimacy": "Proximity Ranking",
+    "noRelations": "No relations",
+    "intimacy": "Proximity",
+    "interactionRanking": "Interaction Ranking",
+    "score": "Proximity",
+    "coOccurrence": "Co-occur",
+    "times": " times",
+    "totalMembers": "Total Members",
+    "totalMessages": "Total Messages",
+    "involvedMembers": "Involved",
+    "edgeCount": "Relations"
+  }
+}
+</i18n>
diff --git a/src/components/view/index.ts b/src/components/view/index.ts
index 0d3f635..78d6bed 100644
--- a/src/components/view/index.ts
+++ b/src/components/view/index.ts
@@ -1,3 +1,4 @@
 // 视图组件统一导出
 export { default as MessageView } from './MessageView.vue'
 export { default as InteractionView } from './InteractionView.vue'
+export { default as ClusterView } from './ClusterView.vue'
diff --git a/src/pages/group-chat/components/MemberTab.vue b/src/pages/group-chat/components/MemberTab.vue
index 367e735..acdac1d 100644
--- a/src/pages/group-chat/components/MemberTab.vue
+++ b/src/pages/group-chat/components/MemberTab.vue
@@ -2,6 +2,7 @@
 import { ref, computed } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { SubTabs } from '@/components/UI'
+import { ClusterView } from '@/components/view'
 import MemberList from './member/MemberList.vue'
 import NicknameHistory from './member/NicknameHistory.vue'
 import Relationships from './member/Relationships.vue'
@@ -28,6 +29,7 @@ const emit = defineEmits<{
 const subTabs = computed(() => [
   { id: 'list', label: t('memberList'), icon: 'i-heroicons-users' },
   { id: 'relationships', label: t('relationships'), icon: 'i-heroicons-heart' },
+  { id: 'cluster', label: t('cluster'), icon: 'i-heroicons-user-group' },
   { id: 'history', label: t('nicknameHistory'), icon: 'i-heroicons-clock' },
 ])
 
@@ -56,6 +58,13 @@ function handleDataChanged() {
           :time-filter="props.timeFilter"
         />
 
+        <!-- 小团体 -->
+        <ClusterView
+          v-else-if="activeSubTab === 'cluster'"
+          :session-id="props.sessionId"
+          :time-filter="props.timeFilter"
+        />
+
         <!-- 昵称变更记录 -->
         <NicknameHistory v-else-if="activeSubTab === 'history'" :session-id="props.sessionId" />
       </Transition>
@@ -80,11 +89,13 @@ function handleDataChanged() {
   "zh-CN": {
     "memberList": "成员列表",
     "relationships": "群关系",
+    "cluster": "互动频率",
     "nicknameHistory": "昵称变更"
   },
   "en-US": {
     "memberList": "Member List",
     "relationships": "Relationships",
+    "cluster": "Interaction",
     "nicknameHistory": "Nickname History"
   }
 }
diff --git a/src/types/analysis.ts b/src/types/analysis.ts
index 187b6ae..648cec5 100644
--- a/src/types/analysis.ts
+++ b/src/types/analysis.ts
@@ -507,3 +507,72 @@ export interface KeywordTemplate {
   name: string
   keywords: string[]
 }
+
+// ==================== 小团体关系图类型 ====================
+
+/**
+ * 小团体关系图参数
+ */
+export interface ClusterGraphOptions {
+  /** 向后看几个不同发言者（默认3） */
+  lookAhead?: number
+  /** 时间衰减常数（秒，默认120） */
+  decaySeconds?: number
+  /** 最多保留边数（默认100） */
+  topEdges?: number
+}
+
+/**
+ * 小团体图节点
+ */
+export interface ClusterGraphNode {
+  id: number
+  name: string
+  messageCount: number
+  symbolSize: number
+  degree: number
+  normalizedDegree: number
+}
+
+/**
+ * 小团体图边
+ */
+export interface ClusterGraphLink {
+  source: string
+  target: string
+  value: number
+  rawScore: number
+  expectedScore: number
+  coOccurrenceCount: number
+}
+
+/**
+ * 小团体图社区
+ */
+export interface ClusterGraphCommunity {
+  id: number
+  name: string
+  size: number
+}
+
+/**
+ * 小团体图统计
+ */
+export interface ClusterGraphStats {
+  totalMembers: number
+  totalMessages: number
+  involvedMembers: number
+  edgeCount: number
+  communityCount: number
+}
+
+/**
+ * 小团体关系图结果
+ */
+export interface ClusterGraphData {
+  nodes: ClusterGraphNode[]
+  links: ClusterGraphLink[]
+  maxLinkValue: number
+  communities: ClusterGraphCommunity[]
+  stats: ClusterGraphStats
+}