diff --git a/app/api/join/by-wechat/route.ts b/app/api/join/by-wechat/route.ts
index 2d96cc0..e1b3596 100644
--- a/app/api/join/by-wechat/route.ts
+++ b/app/api/join/by-wechat/route.ts
@@ -3,6 +3,15 @@ import { getAdminToken } from "@/app/lib/pocketbase/admin";
 import { getPocketBaseConfig } from "@/config/services.config";
 import { getSalonApi } from "@/app/lib/salonApi";
 
+/** 用户状态必须实时从数据库获取，禁止缓存 */
+export const dynamic = "force-dynamic";
+
+const NO_CACHE_HEADERS = {
+  "Cache-Control": "no-store, no-cache, must-revalidate, proxy-revalidate",
+  Pragma: "no-cache",
+  Expires: "0",
+};
+
 const empty = {
   hasRecord: false,
   record: null,
@@ -65,7 +74,7 @@ async function getPocketBaseJoinByWechat(wechatId: string) {
 export async function GET(request: NextRequest) {
   const wechatId = request.nextUrl.searchParams.get("wechat_id")?.trim();
   if (!wechatId) {
-    return NextResponse.json(empty);
+    return NextResponse.json(empty, { headers: NO_CACHE_HEADERS });
   }
 
   try {
@@ -75,7 +84,7 @@ export async function GET(request: NextRequest) {
       { timeoutMs: 6000 }
     );
     if (status === 200 && data && typeof data === "object") {
-      return NextResponse.json(data);
+      return NextResponse.json(data, { headers: NO_CACHE_HEADERS });
     }
   } catch {
     /* salonapi 不可用，回退直连 PocketBase */
@@ -83,8 +92,8 @@ export async function GET(request: NextRequest) {
 
   const pbData = await getPocketBaseJoinByWechat(wechatId);
   if (pbData) {
-    return NextResponse.json(pbData);
+    return NextResponse.json(pbData, { headers: NO_CACHE_HEADERS });
   }
 
-  return NextResponse.json(empty);
+  return NextResponse.json(empty, { headers: NO_CACHE_HEADERS });
 }
diff --git a/app/components/MyRegistrationStatus.tsx b/app/components/MyRegistrationStatus.tsx
index bad5a63..a190fec 100644
--- a/app/components/MyRegistrationStatus.tsx
+++ b/app/components/MyRegistrationStatus.tsx
@@ -52,7 +52,7 @@ export default function MyRegistrationStatus() {
         return;
       }
       setLoading(true);
-      fetch(`/api/join/by-wechat?wechat_id=${encodeURIComponent(wechatId)}`)
+      fetch(`/api/join/by-wechat?wechat_id=${encodeURIComponent(wechatId)}&_=${Date.now()}`, { cache: "no-store" })
         .then((r) => r.json())
         .then((d) => {
           if (d?.hasRecord) {
@@ -83,10 +83,20 @@ export default function MyRegistrationStatus() {
     const onUpdate = () => {
       if (!cancelled) fetchStatus();
     };
+    const onVisibilityChange = () => {
+      if (document.visibilityState === "visible" && !cancelled) fetchStatus();
+    };
+    const onPageShow = (e: PageTransitionEvent) => {
+      if (e.persisted && !cancelled) fetchStatus();
+    };
     window.addEventListener("vip:updated", onUpdate);
+    document.addEventListener("visibilitychange", onVisibilityChange);
+    window.addEventListener("pageshow", onPageShow);
     return () => {
       cancelled = true;
       window.removeEventListener("vip:updated", onUpdate);
+      document.removeEventListener("visibilitychange", onVisibilityChange);
+      window.removeEventListener("pageshow", onPageShow);
     };
   }, []);
 
diff --git a/app/join/page.tsx b/app/join/page.tsx
index 6ba8057..b5c0bf7 100644
--- a/app/join/page.tsx
+++ b/app/join/page.tsx
@@ -167,7 +167,7 @@ export default function JoinPage() {
     setError(null);
     setCheckingWechat(true);
     try {
-      const res = await fetch(`/api/join/by-wechat?wechat_id=${encodeURIComponent(w.trim())}`, {
+      const res = await fetch(`/api/join/by-wechat?wechat_id=${encodeURIComponent(w.trim())}&_=${Date.now()}`, {
         cache: "no-store",
       });
       const data = await res.json();
@@ -295,7 +295,7 @@ export default function JoinPage() {
     setSubmitting(true);
 
     try {
-      const checkRes = await fetch(`/api/join/by-wechat?wechat_id=${encodeURIComponent(wechat.trim())}`, { cache: "no-store" });
+      const checkRes = await fetch(`/api/join/by-wechat?wechat_id=${encodeURIComponent(wechat.trim())}&_=${Date.now()}`, { cache: "no-store" });
       const checkData = await checkRes.json();
       if (checkData?.hasRecord) {
         setError("该微信号已报名，请勿重复提交");
@@ -439,7 +439,7 @@ export default function JoinPage() {
     if (pendingId && !params.has("paid") && stored && WECHAT_REGEX.test(stored)) {
       setWechat(stored);
       let cancelled = false;
-      fetch(`/api/join/by-wechat?wechat_id=${encodeURIComponent(stored)}`, { cache: "no-store" })
+      fetch(`/api/join/by-wechat?wechat_id=${encodeURIComponent(stored)}&_=${Date.now()}`, { cache: "no-store" })
         .then((res) => res.json())
         .then((data) => {
           if (cancelled) return;