diff --git a/webapp/controller/MarketController.class.php b/webapp/controller/MarketController.class.php
index f4f72e5d..5b5d3112 100644
--- a/webapp/controller/MarketController.class.php
+++ b/webapp/controller/MarketController.class.php
@@ -715,7 +715,7 @@ class MarketController extends BaseController {
         $net_id = getReqVal('net_id', '');
 
         $conn = myself()->_getMysql('');
-        $conn->execScript('DELETE FROM t_market_store WHERE'.'token_id='.$nft_token);
+        $conn->execScript('DELETE FROM t_market_store WHERE '.'token_id=\''.$nft_token.'\'');
 
         $this->_rspOk();
     }