diff --git a/webapp/controller/BaseAuthedController.class.php b/webapp/controller/BaseAuthedController.class.php
index 1b902984..7c4efcf9 100644
--- a/webapp/controller/BaseAuthedController.class.php
+++ b/webapp/controller/BaseAuthedController.class.php
@@ -63,6 +63,10 @@ class BaseAuthedController extends BaseController {
             phpcommon\sendError(1003, 'session expiration');
             die();
             }*/
+        if (phpcommon\cmpVersion(getReqVal('_version', ''), '0.2.0') > 0) {
+            phpcommon\sendError(1002, '');
+            die();
+        }
     }
 
     protected function updateSession($accountId, $sessionId)