diff --git a/core/frontend/bigscreen/src/app/app.component.ts b/core/frontend/bigscreen/src/app/app.component.ts
index 219bfe8..9abfb70 100644
--- a/core/frontend/bigscreen/src/app/app.component.ts
+++ b/core/frontend/bigscreen/src/app/app.component.ts
@@ -847,7 +847,6 @@ export class BigscreenAppComponent implements OnInit, AfterViewInit, OnDestroy {
const sid = this.makeStationIdFromHex(this.hexId || this.DEFAULT_STATION_HEX);
if (!sid) return;
const days = 30;
- // 控制台打印时间窗口
const now = new Date();
const since = new Date(now.getTime() - days * 24 * 3600 * 1000);
try { console.log(`[HeavyPerf] days=${days} window: ${since.toISOString()} ~ ${now.toISOString()}`); } catch {}