diff --git a/application/admin/controller/Dashboard.php b/application/admin/controller/Dashboard.php
index b8c74af..9c64b58 100644
--- a/application/admin/controller/Dashboard.php
+++ b/application/admin/controller/Dashboard.php
@@ -13,7 +13,7 @@ class Dashboard extends Backend
 {
     public function index()
     {
-        $this->assign('periods', 30);
+        $this->assign('periods', 100);
         return $this->view->fetch();
     }
 }