diff --git a/function/normal.php b/function/normal.php
index dd7c0c2..ed97656 100644
--- a/function/normal.php
+++ b/function/normal.php
@@ -3,6 +3,7 @@
 $commonEnv = [
     //'admin',
     'adminloginpage',
+    'background',
     //'disktag',
     'language',
     'passfile',