diff --git a/FlyCube/Api/Controller/PublicController.class.php b/FlyCube/Api/Controller/PublicController.class.php
index f697f2e..d7b2f10 100644
--- a/FlyCube/Api/Controller/PublicController.class.php
+++ b/FlyCube/Api/Controller/PublicController.class.php
@@ -75,7 +75,7 @@ class PublicController extends Controller
 			'iat'  => $currtime,    	// 签发时间（时间戳）
 			'iss'  => 'jwt_admin',      // 签发者
 			'nbf'  => $currtime,    // 在此时间之前不可用 (这里是2秒以内)
-			'exp'  => 20, //过期时间 到第二天凌晨
+			'exp'  => $currtime + 20, //过期时间 到第二天凌晨
 			'openid' => $openid,
 			'session_key' => $session_key,
 		];