diff --git a/src/api/serverConnection.ts b/src/api/serverConnection.ts
index 3c2a499..4327da1 100644
--- a/src/api/serverConnection.ts
+++ b/src/api/serverConnection.ts
@@ -248,6 +248,17 @@ function isNonAuthErrorCode(code: string | undefined): boolean {
   ].includes(code);
 }
 
+function isAuthFailureResponse(status: number, payload: unknown): boolean {
+  if (status === 401) return true;
+  if (status !== 403) return false;
+
+  const code = getPayloadCode(payload);
+  if (code === "SESSION_REPLACED" || code === "TOKEN_EXPIRED" || code === "ACCOUNT_DISABLED") return true;
+
+  const message = getPayloadMessage(payload) || "";
+  return /账号已禁用|登录已过期|登录状态|session|token|企业信息不存在/i.test(message);
+}
+
 function notifySessionExpired(status: number, response: Response, payload: unknown): void {
   if (status !== 401 && status !== 403) return;
   if (typeof window === "undefined") return;
@@ -263,6 +274,7 @@ function notifySessionExpired(status: number, response: Response, payload: unkno
   // Non-auth 403 errors (enterprise model access, insufficient balance) must
   // not trigger session expiry.
   if (status === 403 && isNonAuthErrorCode(getPayloadCode(payload))) return;
+  if (!isAuthFailureResponse(status, payload)) return;
 
   const now = Date.now();
   if (now - lastSessionExpiredEventAt < 1500) return;