diff --git a/Dockerfile b/Dockerfile
index 7abc190..b0efb14 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -51,7 +51,7 @@ ENV OTA_PUBLIC_BASE=http://bh.vps.honor3.com:3002
 
 # 健康检查
 HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
-  CMD wget -qO- http://127.0.0.1:3002/api/health || exit 1
+  CMD wget -qO- http://127.0.0.1:3002/healthz || exit 1
 
 EXPOSE 3002
 
diff --git a/README.md b/README.md
index 8283c35..99e029b 100644
--- a/README.md
+++ b/README.md
@@ -198,7 +198,8 @@ bash scripts/build-apk.sh debug     # 或 release
 | `GET /api/ota/check/:seq` | 有新包 → 200 + manifest；无 → 204 |
 | `GET /api/ota/bundle/:file` | 下载 tar.gz 升级包 (流式) |
 | `GET /api/ota/manifest-web` | Web 简化版 manifest |
-| `GET /api/health` | 健康检查 |
+| `GET /healthz` | 容器活性检查 (Dockerfile HEALTHCHECK 使用) |
+| `GET /api/health` | 健康检查 (兼容旧引用) |
 
 数据源: 环境变量 `OTA_PACKAGE_DIR`（默认 `ota-package/`）下的 `latest.json` + `wardrobe-ota.tar.gz`。
 `PORT` 默认 `3002`（与 iboard 的 3001 同机共存）。可选 `OTA_PUBLIC_BASE` 让客户端直连 R2 下载 bundle。
diff --git a/server/index.js b/server/index.js
index 11005d8..b732706 100644
--- a/server/index.js
+++ b/server/index.js
@@ -14,7 +14,8 @@ const app = express()
 app.use(cors())
 app.use(express.json())
 
-// 健康检查
+// 健康检查 (容器活性探针统一用 /healthz, 保留 /api/health 兼容旧引用)
+app.get('/healthz', (_req, res) => res.json({ ok: true, ts: Date.now() }))
 app.get('/api/health', (_req, res) => res.json({ ok: true, ts: Date.now() }))
 
 // OTA 接口公开 (检查/下载更新不需要登录), 必须挂载在最前面
@@ -25,9 +26,12 @@ if (HAS_DIST) {
   app.use(express.static(DIST_DIR, { index: false, maxAge: '1h', etag: true }))
 
   // SPA fallback: 非 /api/* 的请求一律返回 index.html, 由前端路由处理
+  // 必须 no-cache: 否则浏览器/代理缓存旧 index.html, 引用的仍是旧哈希资源,
+  // 与部署的 dist 产生"版本不一致"(web 用户刷新也拿不到新页面)
   app.get(/^\/(?!api\/).*/, (_req, res, next) => {
     const indexHtml = path.join(DIST_DIR, 'index.html')
     if (!fs.existsSync(indexHtml)) return next()
+    res.setHeader('Cache-Control', 'no-cache, no-store, must-revalidate')
     res.sendFile(indexHtml)
   })
 }
diff --git a/src/pages/Landing.tsx b/src/pages/Landing.tsx
index 7846f60..a6fb129 100644
--- a/src/pages/Landing.tsx
+++ b/src/pages/Landing.tsx
@@ -1,7 +1,6 @@
-import React, { useEffect, useState } from "react";
+import React from "react";
 import { QRCodeSVG } from "qrcode.react";
 import { APP_VERSION, BUILD_ID } from "../version";
-import { checkOtaUpdate, reloadApp } from "../api/ota";
 
 // R2 公共桶中的 APK 产物 (由 android-build.yml 上传, 固定覆盖式)
 const APK_URL = "https://pub-98ee77ce79984c2cad0dc1c300901158.r2.dev/data/android/wardrobe.apk";
@@ -47,36 +46,6 @@ function DownloadSection() {
   );
 }
 
-function WebUpdateBanner() {
-  const [update, setUpdate] = useState(false);
-  const [note, setNote] = useState("");
-
-  useEffect(() => {
-    checkOtaUpdate().then((r) => {
-      if (r.available && r.info) {
-        setUpdate(true);
-        setNote(r.info.notes || "");
-      }
-    });
-  }, []);
-
-  if (!update) return null;
-  return (
-    <div style={{ position: "fixed", bottom: 24, left: 0, right: 0, display: "flex", justifyContent: "center", zIndex: 50, padding: "0 16px" }}>
-      <div style={{ background: "#fff", border: "1px solid var(--border)", borderRadius: "var(--radius)", boxShadow: "0 8px 30px rgba(0,0,0,.12)", padding: "12px 16px", display: "flex", alignItems: "center", gap: 12, maxWidth: 520, width: "100%" }}>
-        <span style={{ fontSize: 18 }}>🆕</span>
-        <div style={{ flex: 1, fontSize: 13 }}>
-          <p style={{ fontWeight: 600 }}>有新版本可用{note ? `: ${note}` : ""}</p>
-          <p style={{ color: "var(--text-secondary)", fontSize: 12 }}>请刷新页面获取最新体验</p>
-        </div>
-        <button className="btn btn-primary" style={{ padding: "8px 16px", fontSize: 13 }} onClick={reloadApp}>
-          刷新
-        </button>
-      </div>
-    </div>
-  );
-}
-
 export default function Landing() {
   return (
     <div style={{ minHeight: "100vh", background: "var(--bg)", color: "var(--text-primary)", userSelect: "text" }}>
@@ -98,11 +67,6 @@ export default function Landing() {
             Wardrobe 是一款离线优先的衣物管理应用。记录每一件衣物, 智能生成搭配建议,
             用数据了解自己的穿搭风格。数据 100% 存在本地, 隐私无忧。
           </p>
-          <div style={{ display: "flex", gap: 12, justifyContent: "center", flexWrap: "wrap", marginTop: 28 }}>
-            <a className="btn btn-primary" href={APK_URL} download="wardrobe.apk" style={styles.heroBtn}>
-              ⬇️ 下载 Android APK
-            </a>
-          </div>
         </section>
 
         <DownloadSection />
@@ -146,8 +110,6 @@ export default function Landing() {
       <footer style={styles.footer}>
         <p>Wardrobe · 构建 {BUILD_ID} · 数据保存在本地设备, 我们看不到你的衣橱</p>
       </footer>
-
-      <WebUpdateBanner />
     </div>
   );
 }
@@ -166,7 +128,6 @@ const styles: Record<string, React.CSSProperties> = {
   hero: { textAlign: "center", padding: "64px 0 48px" },
   heroTitle: { fontSize: 40, fontWeight: 800, lineHeight: 1.3, letterSpacing: -0.5 },
   heroSub: { fontSize: 16, color: "var(--text-secondary)", lineHeight: 1.8, maxWidth: 560, margin: "18px auto 0" },
-  heroBtn: { display: "inline-block", width: "auto", padding: "12px 24px", fontSize: 15 },
   section: { padding: "40px 0 12px" },
   sectionTitle: { fontSize: 24, fontWeight: 700, textAlign: "center" },
   sectionSub: { fontSize: 14, color: "var(--text-secondary)", textAlign: "center", margin: "8px 0 22px" },