diff --git a/webapp/services/callback/MintNftHero.php b/webapp/services/callback/MintNftHero.php
index e2f9e5ba..3d9e6cff 100644
--- a/webapp/services/callback/MintNftHero.php
+++ b/webapp/services/callback/MintNftHero.php
@@ -7,9 +7,11 @@ require_once ('services/callback/common/SignatureService.php');
 require_once('mt/Item.php');
 require_once('mt/Hero.php');
 require_once('mt/Parameter.php');
+require_once('mt/BattleBasicAttribute.php');
 require_once('mt/BattleRandAttribute.php');
 require_once('models/Hero.php');
 
+use mt\BattleBasicAttribute;
 use mt\BattleRandAttribute;
 use mt\Item;
 use mt\Hero;
@@ -150,7 +152,7 @@ class MintNftHero
 
     private  function _getRandAttr($heroId){
         $attr = array();
-        $basicMeta = BattleRandAttribute::get($heroId);
+        $basicMeta = BattleBasicAttribute::get($heroId);
         if ($basicMeta) {
             $randMeta = BattleRandAttribute::getByWeight($basicMeta['randomAttribute_Default']);
             if ($randMeta) {