edit

service/mail/database/area_stat.php

@@ -34,7 +34,7 @@ return array
             'match'     => 'is_numeric',
             'desc'      => '',
             'update'    => 'month',
-            'search'    => 'day',
+            'search'    => 'month-start',
             'list'      => 'date("Y-m", {month})',
         ),