's'

app/HomeClient.tsx

@@ -522,10 +522,11 @@ export default function HomeClient() {
     async (userId: string): Promise<boolean> => {
       try {
         const normalizedUserId = userId.trim();
+        const prioritizedUserId = resolveVipLookupUserId(normalizedUserId);
         const res = await fetch("/api/vip/check-by-user", {
           method: "POST",
           headers: { "Content-Type": "application/json" },
-          body: JSON.stringify({ user_id: normalizedUserId }),
+          body: JSON.stringify({ user_id: prioritizedUserId }),
           credentials: "same-origin",
           cache: "no-store",
         });
@@ -535,16 +536,20 @@ export default function HomeClient() {
           return false;
         }
         if (probe === "no") {
+          if (prioritizedUserId && prioritizedUserId !== normalizedUserId) {
+            return false;
+          }
           savePaidType(null);
           return false;
         }
         if (!data?.vip) {
           return false;
         }
-        setStorage("userId", normalizedUserId);
-        if (/^user\d+$/.test(normalizedUserId)) {
-          setStorage("memosAccount", normalizedUserId);
-          setAnonymousUserCookie(normalizedUserId);
+        const resolvedUserId = prioritizedUserId || normalizedUserId;
+        setStorage("userId", resolvedUserId);
+        if (/^user\d+$/.test(resolvedUserId)) {
+          setStorage("memosAccount", resolvedUserId);
+          setAnonymousUserCookie(resolvedUserId);
         }
         savePaidType("vip");
         if (data?.alreadyLinked && data?.email) {
@@ -557,12 +562,12 @@ export default function HomeClient() {
           await recoverLinkedVipSession(
             linkedEmail,
             DEFAULT_EMAIL_PASSWORD,
-            normalizedUserId
+            resolvedUserId
           ).catch(() => {});
         } else {
           const linked = getStorage("emailLinked") === "1";
           const hasEmail = getStorage("userEmail") || getStorage("userName")?.includes("@");
-          if (!linked && !hasEmail) saveUserName(normalizedUserId);
+          if (!linked && !hasEmail) saveUserName(resolvedUserId);
         }
         return true;
       } catch (err) {
@@ -570,7 +575,7 @@ export default function HomeClient() {
         return false;
       }
     },
-    [recoverLinkedVipSession, savePaidType, saveUserName]
+    [recoverLinkedVipSession, resolveVipLookupUserId, savePaidType, saveUserName]
   );
 
   const checkPaymentFromPB = checkVerifyByUserId;
@@ -740,9 +745,10 @@ export default function HomeClient() {
 
         // 后台悄悄校验：仅当服务端明确返回「非 VIP」才清本地；弱网/异常/uncertain 一律保留（避免微信内误踢）
         const verifyInBackground = async () => {
-          const isAnonymous = /^user\d+$/.test(localUserId);
+          const lookupUserId = resolveVipLookupUserId(localUserId);
+          const isAnonymous = /^user\d+$/.test(lookupUserId);
           const probe = isAnonymous
-            ? await probeCheckByUserId(localUserId)
+            ? await probeCheckByUserId(lookupUserId)
             : await probeSessionVip();
           if (probe !== "no") {
             return;

app/api/vip/check-by-user/route.ts

@@ -13,6 +13,7 @@ import {
 type PayjsVipResult = {
   vip: boolean;
   email?: string;
+  linkedUserId?: string;
 };
 
 const inflightUserChecks = new Map<string, Promise<PayjsVipResult | null>>();
@@ -108,6 +109,10 @@ async function checkVipFromPayjsapi(
         typeof data?.email === "string" && data.email.trim()
           ? data.email.trim().toLowerCase()
           : undefined,
+      linkedUserId:
+        typeof data?.linked_user_id === "string" && data.linked_user_id.trim()
+          ? data.linked_user_id.trim()
+          : undefined,
     };
     console.log(
       "[check-by-user] payjsapi response user_id=%s vip=%s email=%s",
@@ -214,6 +219,7 @@ export async function POST(request: NextRequest) {
         if (payjsResult?.vip) {
           vip = true;
           email = payjsResult.email ?? null;
+          linkedUserId = payjsResult.linkedUserId;
           vipSource = "payjsapi";
         }
       }