diff --git a/网页授权.md b/网页授权.md
index 730813c..302419d 100644
--- a/网页授权.md
+++ b/网页授权.md
@@ -26,8 +26,8 @@
 ## 示例：
 
 ```php
-// 如果已经授权
-if ($wechat->auth->authorized()) {
+// 如果已经授权或者 SESSION 未过期
+if ($wechat->auth->authorized() || Session::get('logged_open_id')) {
     $user = $wechat->auth->user();// 获取已经登录后用户信息
     Session::set('logged_open_id', $user['open_id']);