diff --git a/application/admin/controller/auth/Admin.php b/application/admin/controller/auth/Admin.php
index 97c88c6..890eb1d 100755
--- a/application/admin/controller/auth/Admin.php
+++ b/application/admin/controller/auth/Admin.php
@@ -30,6 +30,8 @@ class Admin extends Backend
     protected $childrenGroupIds = [];
     protected $childrenAdminIds = [];
 
+    protected $noNeedRight = ['norightselectpage'];
+
     public function _initialize()
     {
         parent::_initialize();
@@ -361,8 +363,7 @@ class Admin extends Backend
 
     public function norightselectpage()
     {
-        $this->dataLimit = '';
-        $this->dataLimitField = '';
+        $this->dataLimit = null;
         return parent::selectpage();
     }
 }