diff --git a/src/pages/ChatPage.tsx b/src/pages/ChatPage.tsx
index 691b048..c5d40a7 100644
--- a/src/pages/ChatPage.tsx
+++ b/src/pages/ChatPage.tsx
@@ -1,5 +1,5 @@
 import React, { useState, useEffect, useRef, useCallback, useMemo } from 'react'
-import { Search, MessageSquare, AlertCircle, Loader2, RefreshCw, X, ChevronDown, Info, Calendar, Database, Hash, Play, Pause, Image as ImageIcon, Link, Mic, CheckCircle, Copy, Check, Download } from 'lucide-react'
+import { Search, MessageSquare, AlertCircle, Loader2, RefreshCw, X, ChevronDown, Info, Calendar, Database, Hash, Play, Pause, Image as ImageIcon, Link, Mic, CheckCircle, Copy, Check, Download, BarChart3 } from 'lucide-react'
 import { useNavigate } from 'react-router-dom'
 import { createPortal } from 'react-dom'
 import { useChatStore } from '../stores/chatStore'
@@ -1257,6 +1257,15 @@ function ChatPage(_props: ChatPageProps) {
     })
   }, [currentSessionId, navigate])
 
+  const handleGroupAnalytics = useCallback(() => {
+    if (!currentSessionId || !isGroupChat(currentSessionId)) return
+    navigate('/group-analytics', {
+      state: {
+        preselectGroupIds: [currentSessionId]
+      }
+    })
+  }, [currentSessionId, navigate])
+
   // 确认批量转写
   const confirmBatchTranscribe = useCallback(async () => {
     if (!currentSessionId) return
@@ -1477,6 +1486,15 @@ function ChatPage(_props: ChatPageProps) {
                 )}
               </div>
               <div className="header-actions">
+                {isGroupChat(currentSession.username) && (
+                  <button
+                    className="icon-btn group-analytics-btn"
+                    onClick={handleGroupAnalytics}
+                    title="群聊分析"
+                  >
+                    <BarChart3 size={18} />
+                  </button>
+                )}
                 <button
                   className="icon-btn export-session-btn"
                   onClick={handleExportCurrentSession}
diff --git a/src/pages/GroupAnalyticsPage.tsx b/src/pages/GroupAnalyticsPage.tsx
index c37f0f4..cac6edd 100644
--- a/src/pages/GroupAnalyticsPage.tsx
+++ b/src/pages/GroupAnalyticsPage.tsx
@@ -1,4 +1,5 @@
-import { useState, useEffect, useRef, useCallback } from 'react'
+import { useState, useEffect, useRef, useCallback, useMemo } from 'react'
+import { useLocation } from 'react-router-dom'
 import { Users, BarChart3, Clock, Image, Loader2, RefreshCw, User, Medal, Search, X, ChevronLeft, Copy, Check, Download } from 'lucide-react'
 import { Avatar } from '../components/Avatar'
 import ReactECharts from 'echarts-for-react'
@@ -30,6 +31,7 @@ interface GroupMessageRank {
 type AnalysisFunction = 'members' | 'ranking' | 'activeHours' | 'mediaStats'
 
 function GroupAnalyticsPage() {
+  const location = useLocation()
   const [groups, setGroups] = useState<GroupChatInfo[]>([])
   const [filteredGroups, setFilteredGroups] = useState<GroupChatInfo[]>([])
   const [isLoading, setIsLoading] = useState(true)
@@ -58,11 +60,28 @@ function GroupAnalyticsPage() {
   const [sidebarWidth, setSidebarWidth] = useState(300)
   const [isResizing, setIsResizing] = useState(false)
   const containerRef = useRef<HTMLDivElement>(null)
+  const preselectAppliedRef = useRef(false)
+
+  const preselectGroupIds = useMemo(() => {
+    const state = location.state as { preselectGroupIds?: unknown; preselectGroupId?: unknown } | null
+    const rawList = Array.isArray(state?.preselectGroupIds)
+      ? state.preselectGroupIds
+      : (typeof state?.preselectGroupId === 'string' ? [state.preselectGroupId] : [])
+
+    return rawList
+      .filter((item): item is string => typeof item === 'string')
+      .map(item => item.trim())
+      .filter(Boolean)
+  }, [location.state])
 
   useEffect(() => {
     loadGroups()
   }, [])
 
+  useEffect(() => {
+    preselectAppliedRef.current = false
+  }, [location.key, preselectGroupIds])
+
   useEffect(() => {
     if (searchQuery) {
       setFilteredGroups(groups.filter(g => g.displayName.toLowerCase().includes(searchQuery.toLowerCase())))
@@ -71,6 +90,20 @@ function GroupAnalyticsPage() {
     }
   }, [searchQuery, groups])
 
+  useEffect(() => {
+    if (preselectAppliedRef.current) return
+    if (groups.length === 0 || preselectGroupIds.length === 0) return
+
+    const matchedGroup = groups.find(group => preselectGroupIds.includes(group.username))
+    preselectAppliedRef.current = true
+
+    if (matchedGroup) {
+      setSelectedGroup(matchedGroup)
+      setSelectedFunction(null)
+      setSearchQuery('')
+    }
+  }, [groups, preselectGroupIds])
+
   // 拖动调整宽度
   useEffect(() => {
     const handleMouseMove = (e: MouseEvent) => {