diff --git a/webapp/controller/UserController.class.php b/webapp/controller/UserController.class.php
index 8e199650..ee889baa 100644
--- a/webapp/controller/UserController.class.php
+++ b/webapp/controller/UserController.class.php
@@ -371,12 +371,17 @@ class UserController extends BaseAuthedController {
     public function query()
     {
         $name = getReqVal('name', '');
+        $filter = array(
+            'name' => $name,
+            'channel' => BC_CHANNEL
+        );
+        if (SERVER_ENV == _ONLINE) {
+            $filter['channel'] = BC_CHANNEL;
+        }
         $userDb = SqlHelper::ormSelectOne
                 ($this->_getMysql($name),
                  't_user',
-                 array(
-                     'name' => $name
-                 )
+                 $filter
                 );
         if (!$userDb) {
             $this->_rspErr(1, 'not found');