diff --git a/app/api/vip/check-by-user/route.ts b/app/api/vip/check-by-user/route.ts
index 9ffa016..85bffa2 100644
--- a/app/api/vip/check-by-user/route.ts
+++ b/app/api/vip/check-by-user/route.ts
@@ -313,7 +313,8 @@ export async function POST(request: NextRequest) {
   inflightUserRequests.set(userId, task);
   try {
     const payload = await task;
-    if (!payload.uncertain) {
+    // 只缓存命中结果，避免绑定邮箱后的短时 false 缓存导致需要多次刷新才恢复
+    if (!payload.uncertain && payload.vip) {
       userCheckResultCache.set(userId, {
         payload,
         expiresAt: Date.now() + USER_CHECK_CACHE_TTL_MS,