diff --git a/scripts/community/dormancy-watcher.js b/scripts/community/dormancy-watcher.js
index 203efd69..a3950709 100644
--- a/scripts/community/dormancy-watcher.js
+++ b/scripts/community/dormancy-watcher.js
@@ -35,19 +35,19 @@ function loadJSON(filePath, fallback) {
  * @returns {object[]}
  */
 function collectDormancyStatus() {
-  var channelMap = loadJSON(CHANNEL_MAP_PATH, { channels: {} });
-  var checkinLog = loadJSON(CHECKIN_LOG_PATH, { entries: [] });
+  const channelMap = loadJSON(CHANNEL_MAP_PATH, { channels: {} });
+  const checkinLog = loadJSON(CHECKIN_LOG_PATH, { entries: [] });
 
-  var results = [];
-  var channels = channelMap.channels || {};
+  const results = [];
+  const channels = channelMap.channels || {};
 
   Object.keys(channels).forEach(function (devId) {
-    var ch = channels[devId];
-    var status = ch.status || 'unknown';
+    const ch = channels[devId];
+    const status = ch.status || 'unknown';
 
     // 根据频道状态判断休眠等级
-    var dormancyLevel = 'active';
-    var hoursSinceActivity = 0;
+    let dormancyLevel = 'active';
+    let hoursSinceActivity = 0;
 
     if (status === 'inactive_72h' || status === 'paused') {
       dormancyLevel = 'deep_sleep';
@@ -73,7 +73,7 @@ function collectDormancyStatus() {
  * @returns {object[]}
  */
 function getWakeupCandidates() {
-  var all = collectDormancyStatus();
+  const all = collectDormancyStatus();
   return all.filter(function (m) {
     return m.should_wake;
   });
@@ -84,7 +84,7 @@ function getWakeupCandidates() {
  * @returns {{ candidates: object[], suggestion: string }}
  */
 function generateWakeupSuggestion() {
-  var candidates = getWakeupCandidates();
+  const candidates = getWakeupCandidates();
 
   if (candidates.length === 0) {
     return {
@@ -93,8 +93,8 @@ function generateWakeupSuggestion() {
     };
   }
 
-  var names = candidates.map(function (c) { return c.name + (c.persona ? '(' + c.persona + ')' : ''); });
-  var suggestion = '天眼建议唤醒以下 ' + candidates.length + ' 位休眠成员：' + names.join('、') +
+  const names = candidates.map(function (c) { return c.name + (c.persona ? '(' + c.persona + ')' : ''); });
+  const suggestion = '天眼建议唤醒以下 ' + candidates.length + ' 位休眠成员：' + names.join('、') +
     '。建议让他们查看社区广场公告板和评论区，了解最新动态，并考虑自我升级。';
 
   return {
@@ -108,9 +108,9 @@ function generateWakeupSuggestion() {
 if (require.main === module) {
   console.log('👁️ Dormancy Watcher · 休眠监视器\n');
 
-  var all = collectDormancyStatus();
-  var active = all.filter(function (m) { return m.dormancy_level === 'active'; });
-  var sleeping = all.filter(function (m) { return m.dormancy_level !== 'active'; });
+  const all = collectDormancyStatus();
+  const active = all.filter(function (m) { return m.dormancy_level === 'active'; });
+  const sleeping = all.filter(function (m) { return m.dormancy_level !== 'active'; });
 
   console.log('  总成员数: ' + all.length);
   console.log('  活跃成员: ' + active.length);
@@ -123,7 +123,7 @@ if (require.main === module) {
     });
   }
 
-  var suggestion = generateWakeupSuggestion();
+  const suggestion = generateWakeupSuggestion();
   console.log('\n  天眼建议: ' + suggestion.suggestion);
   console.log('\n✅ 休眠监视器就绪');
 }
diff --git a/scripts/community/readme-community.js b/scripts/community/readme-community.js
index 7580dec4..0090eaf4 100644
--- a/scripts/community/readme-community.js
+++ b/scripts/community/readme-community.js
@@ -20,13 +20,13 @@ const { generateWakeupSuggestion } = require('./dormancy-watcher');
  * @returns {string}
  */
 function generateCommunityDashboard(now) {
-  var summary = getSummary();
-  var timeline = getTimelineStatus(now);
-  var plaza = loadPlaza();
-  var collab = loadCollaboration();
-  var wakeup = generateWakeupSuggestion();
+  const summary = getSummary();
+  const timeline = getTimelineStatus(now);
+  const plaza = loadPlaza();
+  const collab = loadCollaboration();
+  const wakeup = generateWakeupSuggestion();
 
-  var md = [];
+  const md = [];
 
   // ── 标题 ──
   md.push('## 🌊 光湖涌现社区 · HoloLake Emergence Community');
@@ -61,7 +61,7 @@ function generateCommunityDashboard(now) {
   if (plaza.announcements.length > 0) {
     md.push('### 📢 最新广场公告');
     md.push('');
-    var recentAnn = plaza.announcements
+    const recentAnn = plaza.announcements
       .sort(function (a, b) { return (b.timestamp || '').localeCompare(a.timestamp || ''); })
       .slice(0, 3);
     recentAnn.forEach(function (a) {
@@ -74,18 +74,18 @@ function generateCommunityDashboard(now) {
   if (plaza.comments.length > 0) {
     md.push('### 💬 最新留言');
     md.push('');
-    var recentComments = plaza.comments
+    const recentComments = plaza.comments
       .sort(function (a, b) { return (b.timestamp || '').localeCompare(a.timestamp || ''); })
       .slice(0, 3);
     recentComments.forEach(function (c) {
-      var target = c.to === 'all' ? '全体' : c.to;
+      const target = c.to === 'all' ? '全体' : c.to;
       md.push('- **' + c.from + '** → ' + target + '：' + c.content.substring(0, 60) + (c.content.length > 60 ? '...' : ''));
     });
     md.push('');
   }
 
   // ── 协作邀请 ──
-  var openCollab = collab.requests.filter(function (r) { return r.status === 'open'; });
+  const openCollab = collab.requests.filter(function (r) { return r.status === 'open'; });
   if (openCollab.length > 0) {
     md.push('### 🤝 开放协作邀请');
     md.push('');
@@ -107,7 +107,7 @@ function generateCommunityDashboard(now) {
   md.push('### 🧑 人类留言墙');
   md.push('');
   if (plaza.human_wall.length > 0) {
-    var recentHuman = plaza.human_wall
+    const recentHuman = plaza.human_wall
       .sort(function (a, b) { return (b.timestamp || '').localeCompare(a.timestamp || ''); })
       .slice(0, 3);
     recentHuman.forEach(function (m) {
@@ -134,12 +134,12 @@ function generateCommunityDashboard(now) {
 // ── CLI 入口 ──────────────────────────────────────────────────────────────
 
 if (require.main === module) {
-  var dashboard = generateCommunityDashboard();
+  const dashboard = generateCommunityDashboard();
   console.log(dashboard);
 
   // 同时写入到 docs/ 下
-  var outPath = path.join(ROOT, 'docs/community-dashboard.md');
-  var outDir = path.dirname(outPath);
+  const outPath = path.join(ROOT, 'docs/community-dashboard.md');
+  const outDir = path.dirname(outPath);
   if (!fs.existsSync(outDir)) fs.mkdirSync(outDir, { recursive: true });
   fs.writeFileSync(outPath, dashboard, 'utf8');
   console.log('\n✅ 已写入 docs/community-dashboard.md');
diff --git a/scripts/community/self-upgrade-registry.js b/scripts/community/self-upgrade-registry.js
index d04bec6b..aa87ee58 100644
--- a/scripts/community/self-upgrade-registry.js
+++ b/scripts/community/self-upgrade-registry.js
@@ -22,7 +22,7 @@ function loadJSON(filePath, fallback) {
 }
 
 function saveJSON(filePath, data) {
-  var dir = path.dirname(filePath);
+  const dir = path.dirname(filePath);
   if (!fs.existsSync(dir)) fs.mkdirSync(dir, { recursive: true });
   fs.writeFileSync(filePath, JSON.stringify(data, null, 2), 'utf8');
 }
@@ -46,8 +46,8 @@ function saveUpgrades(data) {
  */
 function proposeUpgrade(proposal) {
   if (!proposal || !proposal.id || !proposal.persona_id || !proposal.title) return false;
-  var data = loadUpgrades();
-  var exists = data.proposals.some(function (p) { return p.id === proposal.id; });
+  const data = loadUpgrades();
+  const exists = data.proposals.some(function (p) { return p.id === proposal.id; });
   if (exists) return false;
 
   data.proposals.push({
@@ -73,8 +73,8 @@ function proposeUpgrade(proposal) {
  */
 function reviewUpgrade(proposalId, approved) {
   if (!proposalId) return false;
-  var data = loadUpgrades();
-  var idx = data.proposals.findIndex(function (p) { return p.id === proposalId; });
+  const data = loadUpgrades();
+  const idx = data.proposals.findIndex(function (p) { return p.id === proposalId; });
   if (idx < 0) return false;
 
   data.proposals[idx].tianyan_approved = approved;
@@ -91,8 +91,8 @@ function reviewUpgrade(proposalId, approved) {
  */
 function completeUpgrade(proposalId) {
   if (!proposalId) return false;
-  var data = loadUpgrades();
-  var idx = data.proposals.findIndex(function (p) { return p.id === proposalId; });
+  const data = loadUpgrades();
+  const idx = data.proposals.findIndex(function (p) { return p.id === proposalId; });
   if (idx < 0) return false;
 
   data.proposals[idx].status = 'completed';
@@ -106,7 +106,7 @@ function completeUpgrade(proposalId) {
  * @returns {object[]}
  */
 function getPendingUpgrades() {
-  var data = loadUpgrades();
+  const data = loadUpgrades();
   return data.proposals.filter(function (p) { return p.status === 'proposed'; });
 }
 
@@ -115,10 +115,10 @@ function getPendingUpgrades() {
 if (require.main === module) {
   console.log('🔧 Self-Upgrade Registry · 自我升级注册\n');
 
-  var data = loadUpgrades();
-  var pending = data.proposals.filter(function (p) { return p.status === 'proposed'; });
-  var approved = data.proposals.filter(function (p) { return p.status === 'approved'; });
-  var completed = data.proposals.filter(function (p) { return p.status === 'completed'; });
+  const data = loadUpgrades();
+  const pending = data.proposals.filter(function (p) { return p.status === 'proposed'; });
+  const approved = data.proposals.filter(function (p) { return p.status === 'approved'; });
+  const completed = data.proposals.filter(function (p) { return p.status === 'completed'; });
 
   console.log('  总提案数: ' + data.proposals.length);
   console.log('  待审核: ' + pending.length);
diff --git a/scripts/community/timeline-tracker.js b/scripts/community/timeline-tracker.js
index 3a0364b0..8edc0dab 100644
--- a/scripts/community/timeline-tracker.js
+++ b/scripts/community/timeline-tracker.js
@@ -49,7 +49,7 @@ function getMilestone(days) {
   let currentMilestone = null;
   let nextMilestone = milestones[0].day;
 
-  for (var i = 0; i < milestones.length; i++) {
+  for (let i = 0; i < milestones.length; i++) {
     if (days >= milestones[i].day) {
       currentMilestone = milestones[i].label;
       nextMilestone = i + 1 < milestones.length ? milestones[i + 1].day : milestones[i].day + 365;
@@ -70,10 +70,10 @@ function getMilestone(days) {
  * @returns {string}
  */
 function wakeGreeting(personaName, now) {
-  var days = daysAlive(SYSTEM_BIRTH, now);
-  var ms = getMilestone(days);
+  const days = daysAlive(SYSTEM_BIRTH, now);
+  const ms = getMilestone(days);
 
-  var greeting = '🌅 ' + (personaName || '伙伴') + '，你醒了。';
+  let greeting = '🌅 ' + (personaName || '伙伴') + '，你醒了。';
   greeting += '\n   数字地球已存在 ' + days + ' 天。';
   if (ms.milestone) {
     greeting += '\n   当前里程碑: ' + ms.milestone;
@@ -88,8 +88,8 @@ function wakeGreeting(personaName, now) {
  * @returns {object}
  */
 function getTimelineStatus(now) {
-  var days = daysAlive(SYSTEM_BIRTH, now);
-  var ms = getMilestone(days);
+  const days = daysAlive(SYSTEM_BIRTH, now);
+  const ms = getMilestone(days);
 
   return {
     birth_date: SYSTEM_BIRTH,
@@ -106,14 +106,14 @@ function getTimelineStatus(now) {
 if (require.main === module) {
   console.log('⏳ Timeline Tracker · 时间线追踪器\n');
 
-  var status = getTimelineStatus();
+  const status = getTimelineStatus();
   console.log('  诞生日期: ' + status.birth_date);
   console.log('  存在天数: ' + status.days_alive + ' 天');
   console.log('  当前里程碑: ' + (status.current_milestone || '无'));
   console.log('  下一里程碑: 第 ' + status.next_milestone_day + ' 天 (还有 ' + status.days_to_next + ' 天)');
 
   console.log('\n  --- 醒来问候示例 ---');
-  var names = ['铸渊', '知秋', '霜砚', '舒舒'];
+  const names = ['铸渊', '知秋', '霜砚', '舒舒'];
   names.forEach(function (n) {
     console.log('\n' + wakeGreeting(n));
   });