's'

app/components/HeroSection.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { useState, useCallback, useEffect } from "react";
+import { useState, useCallback, useEffect, useRef } from "react";
 import { Link, useLocale } from "@/i18n/navigation";
 import { useTranslation } from "@/i18n/navigation";
 import JoinModal from "./JoinModal";
@@ -85,6 +85,9 @@ export default function HeroSection() {
     return () => window.removeEventListener("auth:updated", onAuth);
   }, []);
 
+  const checkUserCacheRef = useRef<{ email: string; data: { exists: boolean; vip: boolean }; ts: number } | null>(null);
+  const CACHE_TTL_MS = 60_000;
+
   const handleCheckAndProceed = useCallback(
     async (em: string) => {
       if (checking) return;
@@ -96,6 +99,15 @@ export default function HeroSection() {
       setError(null);
       setChecking(true);
       try {
+        const cached = checkUserCacheRef.current;
+        if (cached && cached.email === trimmed && Date.now() - cached.ts < CACHE_TTL_MS) {
+          const { exists, vip } = cached.data;
+          if (exists) {
+            setJoinModalVipOnly(!!vip);
+            setJoinModalOpen(true);
+            return;
+          }
+        }
         const checkRes = await fetch("/api/meetup/check-user", {
           method: "POST",
           headers: { "Content-Type": "application/json" },
@@ -107,6 +119,7 @@ export default function HeroSection() {
           throw new Error(checkData?.error || checkData?.detail || (locale === "zh" ? "操作失败" : "Operation failed"));
         }
         if (checkData.exists) {
+          checkUserCacheRef.current = { email: trimmed, data: { exists: true, vip: !!checkData.vip }, ts: Date.now() };
           if (checkData.vip) {
             setJoinModalOpen(true);
             setJoinModalVipOnly(true);
@@ -136,6 +149,9 @@ export default function HeroSection() {
                 (locale === "zh" ? "创建用户失败" : "Failed to create user")
             );
           }
+          if (ensureData.is_new) {
+            await fetch("/api/meetup/set-needs-password-change", { method: "POST", credentials: "include" });
+          }
           user_id = String(ensureData.user_id).trim();
           if (ensureData?.token && ensureData?.record) {
             await fetch("/api/auth/sync-session", {