diff --git a/webapp/controller/BattleController.class.php b/webapp/controller/BattleController.class.php
index cde15bb7..ab6d2c5c 100644
--- a/webapp/controller/BattleController.class.php
+++ b/webapp/controller/BattleController.class.php
@@ -22,6 +22,7 @@ require_once('mt/ServerTask.php');
 require_once('mt/ServerTaskTime.php');
 require_once('mt/Robot.php');
 require_once('mt/Skill.php');
+require_once('mt/MapMode.php');
 
 use phpcommon\SqlHelper;
 use models\Hero;
@@ -587,6 +588,11 @@ class BattleController extends BaseAuthedController {
             'start_time' => $startTime,
             'team_list' => array()
         );
+        $mapModeMeta = mt\MapMode::find($modeId);
+        if (empty($mapModeMeta)) {
+            myself()->_rspErr(2, 'map mode error');
+            return;
+        }
 
         $currSeason = mt\RankSeason::getCurrentSeason();
         foreach ($customData['team_list'] as $team) {