diff --git a/frontend/lib/api.ts b/frontend/lib/api.ts
index a0f5da7..e6a23e7 100644
--- a/frontend/lib/api.ts
+++ b/frontend/lib/api.ts
@@ -1449,6 +1449,11 @@ export async function apiLogout() {
     method: "POST",
     headers: clientHeaders(),
   });
+  // 主动登出后本标签页不再算"曾登录"：否则登出后收到的首个 401 会被
+  // notifySessionEnded 误判为"被顶下线"，误弹"登录已失效"弹窗
+  if (res.ok) {
+    sessionSeen = false;
+  }
   return res.json();
 }
 
@@ -1626,6 +1631,9 @@ export async function apiAdminAnalytics(range: "7d" | "30d" = "7d"): Promise<Ana
 }
 
 export async function apiTelemetryPageView(path: string, ref: string): Promise<void> {
+  // 游客尚无 CSRF cookie 时该 POST 必然 403（响应补发的 cookie 本请求用不上），
+  // 直接跳过：后续 GET 补发 cookie 之后的页面浏览照常上报
+  if (!getCSRFToken()) return;
   try {
     await fetchWithRefresh("/api/telemetry/pageview", {
       method: "POST",