diff --git a/webapp/models/Chip.php b/webapp/models/Chip.php
index 87dae2e2..d17cc109 100644
--- a/webapp/models/Chip.php
+++ b/webapp/models/Chip.php
@@ -276,7 +276,7 @@ class Chip extends BaseModel
 
     public static function  getChipByTokenId($token_ids){
         return SqlHelper::ormSelectOne(
-                myself()->_getSelfMysql(),
+                myself()->_getMysql(''),
                 't_chip',
                 array(
                     'token_id' => $token_ids,