diff --git a/frontend/components/dashboard/ScanTerminalDashboard.tsx b/frontend/components/dashboard/ScanTerminalDashboard.tsx
index b2e185ea..10228b34 100644
--- a/frontend/components/dashboard/ScanTerminalDashboard.tsx
+++ b/frontend/components/dashboard/ScanTerminalDashboard.tsx
@@ -500,26 +500,6 @@ function ScanTerminalScreen() {
             </div>
           </div>
 
-          <section className="scan-upgrade-announcement" aria-label={isEn ? "Upgrade announcement" : "升级公告"}>
-            <div className="scan-upgrade-announcement-copy">
-              <span>{isEn ? "v1.5.5 upgrade" : "v1.5.5 升级公告"}</span>
-              <strong>
-                {isEn ? "PolyWeather is now upgraded to v1.5.5" : "网站已升级到 v1.5.5"}
-              </strong>
-              <p>
-                {isEn
-                  ? "All members received an extra 7 days. The decision terminal now explains more evidence without making unavailable quotes look like a system failure."
-                  : "所有会员已额外延长 7 天。新版会把证据讲得更清楚，也不会让暂无报价看起来像系统故障。"}
-              </p>
-            </div>
-            <ul>
-              <li>{isEn ? "DeepSeek airport bulletin read" : "DeepSeek 机场报文解读"}</li>
-              <li>{isEn ? "Action calendar view" : "日历行动视图"}</li>
-              <li>{isEn ? "Local-time peak window" : "本地时间峰值窗口"}</li>
-              <li>{isEn ? "AI evidence guardrails" : "AI 证据护栏"}</li>
-            </ul>
-          </section>
-
           <AiForecastKPIBar
             pinnedCount={aiPinnedCities.length}
             activeCityName={kpiCityName}