diff --git a/webapp/models/Hero.php b/webapp/models/Hero.php
index 1850ed27..c7d9a0e9 100644
--- a/webapp/models/Hero.php
+++ b/webapp/models/Hero.php
@@ -155,7 +155,7 @@ class Hero extends BaseModel {
                 $randAttr = mt\HeroQuality::getRandAttr($initQualityMeta);
             }
         }
-        $fieldKv = array(
+        $fieldsKv = array(
             'hero_id' => $heroMeta['id'],
             'hero_lv' => 1,
             'quality' => 1,
@@ -174,13 +174,13 @@ class Hero extends BaseModel {
             $fieldsKv['account_id'] = $accountId;
         }
         if ($tokenId) {
-            $fieldKv['token_id'] = $tokenId;
+            $fieldsKv['token_id'] = $tokenId;
         }
 
         SqlHelper::insert(
             myself()->_getSelfMysql(),
             't_hero',
-            $fieldKv
+            $fieldsKv
         );
     }