diff --git a/webapp/services/NftService.php b/webapp/services/NftService.php
index 11712c0e..05d56bd9 100644
--- a/webapp/services/NftService.php
+++ b/webapp/services/NftService.php
@@ -48,7 +48,7 @@ class NftService extends BaseService {
     private static function internalGetList($openId, $name)
     {
         self::loadNft($openId, $name);
-        return getXVal(self::$userData[$openid], $name . 'List');
+        return getXVal(self::$userData[$openId], $name . 'List');
     }
 
     private static function internalIsOwner($openId, $name, $tokenId)