diff --git a/webapp/controller/BattleController.class.php b/webapp/controller/BattleController.class.php
index 0835d109..cdac4024 100644
--- a/webapp/controller/BattleController.class.php
+++ b/webapp/controller/BattleController.class.php
@@ -593,7 +593,8 @@ class BattleController extends BaseAuthedController {
             myself()->_rspErr(2, 'map mode error');
             return;
         }
-        if (!$this->checkTicket($customData, $mapModeMeta)) {
+        $r = myself()->_getRedis($roomUuid);
+        if (!$this->checkTicket($r, $customData, $mapModeMeta)) {
             myself()->_rspErr(2, 'map mode error');
             return;
         }
@@ -683,7 +684,7 @@ class BattleController extends BaseAuthedController {
             array_push($data['team_list'], $teamInfo);
         }
         error_log(json_encode($data));
-        $this->decTicket($customData, $mapModeMeta);
+        $this->decTicket($r, $customData, $mapModeMeta);
         myself()->_rspData($data);
     }
 
@@ -996,15 +997,20 @@ class BattleController extends BaseAuthedController {
         return $info;
     }
 
-    private function checkTicket($customData, $mapModeMeta)
+    private function checkTicket($r, $customData, $mapModeMeta)
     {
-        if (empty($mapModeMeta['admission_item_id'])) {
+        $itemId = $mapModeMeta['admission_item_id'];
+        if (empty($itemId)) {
+            return true;
+        }
+        $roomUuid = $customData['room_uuid'];
+        if ($r->get(DEC_BATTLE_TICKET . $roomUuid)) {
             return true;
         }
         foreach ($customData['team_list'] as $team) {
             foreach ($team['members'] as $member) {
                 if (!$member['is_android']) {
-                    $itemDb = Bag::findEx($member['account_id'], $mapModeMeta['admission_item_id']);
+                    $itemDb = Bag::findEx($member['account_id'], $itemId);
                     if (empty($itemDb) || $itemDb['item_num'] <= 0) {
                         return false;
                     }
@@ -1014,12 +1020,13 @@ class BattleController extends BaseAuthedController {
         return true;
     }
 
-    private function decTicket($customData, $mapModeMeta)
+    private function decTicket($r, $customData, $mapModeMeta)
     {
         $itemId = $mapModeMeta['admission_item_id'];
         if (empty($itemId)) {
             return;
         }
+        $roomUuid = $customData['room_uuid'];
         foreach ($customData['team_list'] as $team) {
             foreach ($team['members'] as $member) {
                 if (!$member['is_android']) {
@@ -1030,6 +1037,7 @@ class BattleController extends BaseAuthedController {
                 }
             }
         }
+        $r->setNxPx(DEC_BATTLE_TICKET . $roomUuid, 1, 1000 * 3600);
     }
 
 }