diff --git a/js/app.js b/js/app.js
index c71b1a6..2dcd694 100644
--- a/js/app.js
+++ b/js/app.js
@@ -17,7 +17,7 @@ import {
 import {
   scheduleStatusPoll, startPolling, pausePollingForUpload,
   resumePollingAfterUpload, pollStatus, pollLogs, setStatusPollIntervalMs
-} from './common/polling.js';
+} from './common/polling.js?v=20260916d';
 
 import {
   OtaSessionState, otaSessionState, otaSessionTarget, otaFailReason,
@@ -32,7 +32,7 @@ import {
 } from './ota/progress.js';
 import {
   updateStagesFromRelayState, updateSystemStatusUi, clearLiveMetricsOnDisconnect
-} from './ota/stages.js';
+} from './ota/stages.js?v=20260916d';
 import { startEcatLoadPoller } from './ota/ecat_load.js';
 import { deviceLink } from './common/device-link.js';
 import {
@@ -293,6 +293,18 @@ setupDropZone('uploadZoneGd32', 'gd32');
 //   否则 polling.js 的 scheduleStatusPoll 会因 window.OtaSessionState 未定义而抛 TypeError）
 startPolling();
 
+/* DeviceLink 快照判 ESP32 离线时也清指标：
+ * 本页 pollStatus 可能 AbortError 静默返回，或 iframe 里旧模块未清——
+ * 外壳 Owner 是更权威的「设备在线」来源，离线布尔一翻就清。 */
+deviceLink.subscribe(function (s) {
+  try {
+    if (!s || !s.ts || !s.links || !s.links.esp32) return;
+    if ((Date.now() - s.ts) >= 5000) return;
+    if (s.links.esp32.online) return;
+    clearLiveMetricsOnDisconnect();
+  } catch (_) {}
+});
+
 // GD32 CPU 负载率（EtherCAT 通道，独立于 /system/status 轮询；页面上无该指标则自动空转）
 startEcatLoadPoller();
 
diff --git a/pages/index.html b/pages/index.html
index a841fb5..686ab9e 100644
--- a/pages/index.html
+++ b/pages/index.html
@@ -569,8 +569,8 @@
      必须持有租约，否则服务端在租约归零宽限期后会把循环又停掉。
      与 tabs.html / motor.html 并存时连接数>1，互不影响。 -->
 <script src="../js/common/app-lease.js"></script>
-<script type="module" src="../js/app.js?v=20260915a"></script>
-<script type="module" src="../js/ota/console-mode.js?v=20260914b"></script>
+<script type="module" src="../js/app.js?v=20260916d"></script>
+<script type="module" src="../js/ota/console-mode.js?v=20260916d"></script>
 <script type="module" src="../js/ble_ota.js?v=20260901d"></script>
 <!-- 内联兜底：同步 BLE 按钮 data-ble-state 与 checkbox.checked
      不依赖 ES 模块（子模块可能被浏览器缓存为旧版，不含 data-ble-state 逻辑）。