diff --git a/webapp/models/Gun.php b/webapp/models/Gun.php
index e949942a..251c31b9 100644
--- a/webapp/models/Gun.php
+++ b/webapp/models/Gun.php
@@ -11,6 +11,7 @@ require_once('services/NftService.php');
 require_once('services/FormulaService.php');
 
 use mt;
+use phpcommon;
 use phpcommon\SqlHelper;
 use services\NftService;
 use services\FormulaService;
@@ -105,12 +106,17 @@ class Gun extends BaseModel {
             myself()->_getMysql($accountId),
             't_gun',
             array(
-                'account_id' => $accountId,
                 'idx' => $gunUniId,
             )
         );
         if ($row) {
             $row['gun_uniid'] = $row['idx'];
+            if ($row['account_id'] != $accountId) {
+                $openId = phpcommon\extractOpenId($accountId);
+                if (!NftService::isEquipOwner($openId, $row['token_id'])) {
+                    $row = null;
+                }
+            }
         }
         return $row;
     }