diff --git a/webapp/bootstrap/constant.php b/webapp/bootstrap/constant.php
index cf033cd2..a8e57496 100644
--- a/webapp/bootstrap/constant.php
+++ b/webapp/bootstrap/constant.php
@@ -2,6 +2,8 @@
 
 define('TEAMID_KEY', 'team_uuid:');
 
+define('LAST_SESSION_KEY', 'team_uuid:');
+
 define('V_ITEM_GOLD', 10001);  //金币
 define('V_ITEM_DIAMOND', 10002);  //钻石
 define('V_ITEM_EXP', 10003);  //经验
diff --git a/webapp/controller/BaseAuthedController.class.php b/webapp/controller/BaseAuthedController.class.php
index bef9b5b0..7a74c7aa 100644
--- a/webapp/controller/BaseAuthedController.class.php
+++ b/webapp/controller/BaseAuthedController.class.php
@@ -50,7 +50,7 @@ class BaseAuthedController extends BaseController {
     protected function updateSession($accountId, $sessionId)
     {
         $r = $this->_getRedis($this->_getAccountId());
-        $r->set(LAST_SESSION_KEY . $this->_getAccountId());
+        $r->set(LAST_SESSION_KEY . $this->_getAccountId(), $sessionId);
         $r->pexpire(LAST_SESSION_KEY . $this->_getAccountId(), 3600 * 24);
     }