missing delimiter

web/templates/admin/add_web.html

@@ -386,6 +386,6 @@
       </div>
 
     <script>
-      GLOBAL.FTP_USER_PREFIX  = <?=json_encode($user)?>;
+      GLOBAL.FTP_USER_PREFIX  = <?=json_encode($user.'_')?>;
       GLOBAL.FTP_USER_PREPATH = <?=json_encode($v_ftp_user_prepath)?>;
     </script>