diff --git a/app/Http/Controllers/Api/CameraMonitoringController.php b/app/Http/Controllers/Api/CameraMonitoringController.php
index d3233ea..adb31b0 100644
--- a/app/Http/Controllers/Api/CameraMonitoringController.php
+++ b/app/Http/Controllers/Api/CameraMonitoringController.php
@@ -75,12 +75,21 @@ class CameraMonitoringController extends Controller
                         $health->fill([
                             'status' => $r['healthStatus'] ?? ($r['pushStatus'] ?? ($r['sdkStatus'] ?? 'UNKNOWN')),
                             'sdk_status' => $r['sdkStatus'] ?? null,
+                            'tcp_reachable' => array_key_exists('tcpReachable', $r) ? $r['tcpReachable'] : null,
                             'last_pdc_at' => $r['lastPdcAt'] ?? null,
                             'pdc_count' => $r['pdcCount'] ?? 0,
                             'push_age_seconds' => ($r['pushAgeSeconds'] ?? -1) >= 0 ? $r['pushAgeSeconds'] : null,
                             'last_tcp_error' => $r['networkReason'] ?? null,
+                            'reconnect_attempts' => $r['autoReconnectFailures'] ?? 0,
                             'observed_at' => now(),
                         ])->save();
+                        // 设备已重新登录在线时，页面刷新也应同步关闭同场馆的遗留告警。
+                        if (($r['sdkStatus'] ?? null) === 'ONLINE' && $camera->venue_id) {
+                            CameraAlert::query()
+                                ->where('venue_id', $camera->venue_id)
+                                ->whereIn('status', ['OPEN', 'ACKNOWLEDGED'])
+                                ->update(['status' => 'RESOLVED', 'recovered_at' => now()]);
+                        }
                         $health->setAttribute('last_pdc_at_source', $r['lastPdcAt'] ?? null);
                         $camera->setRelation('health', $health);
                     });