diff --git a/webapp/controller/BattleController.class.php b/webapp/controller/BattleController.class.php
index c30edb15..d9f38e77 100644
--- a/webapp/controller/BattleController.class.php
+++ b/webapp/controller/BattleController.class.php
@@ -1175,6 +1175,9 @@ class BattleController extends BaseAuthedController {
             return;
         }
         $roomUuid = $customData['room_uuid'];
+        if ($r->get(DEC_BATTLE_TICKET . $roomUuid)) {
+            return;
+        }
         foreach ($customData['team_list'] as $team) {
             foreach ($team['members'] as $member) {
                 if (!$member['is_android']) {