diff --git a/app/Exports/ParkingBehaviorExport.php b/app/Exports/ParkingBehaviorExport.php
index 4c561d9..8e075ef 100644
--- a/app/Exports/ParkingBehaviorExport.php
+++ b/app/Exports/ParkingBehaviorExport.php
@@ -19,10 +19,11 @@ class ParkingBehaviorExport implements FromArray, WithHeadings
             . "COUNT(license_plate_id) AS parking_frequency, SUM(COALESCE("
             . "leave_time, UNIX_TIMESTAMP()) - enter_time) AS parking_duration";
         $from = " FROM `parking_access_record` ";
+        $order = ' ORDER BY time_period DESC';
         $group = " GROUP BY DATE_FORMAT(FROM_UNIXTIME(enter_time),"
             . " '%Y-%m-%d'), `license_plate_id`";
 
-        $items = DB::select($select . $from . $group);
+        $items = DB::select($select . $from . $order . $group);
         foreach ($items as &$item) {
             $license_plate = ParkingLicensePlate::getNumber(
                 $item->license_plate_id
diff --git a/app/Http/Controllers/Admin/ParkingBehaviorController.php b/app/Http/Controllers/Admin/ParkingBehaviorController.php
index ca1016c..dbd1243 100644
--- a/app/Http/Controllers/Admin/ParkingBehaviorController.php
+++ b/app/Http/Controllers/Admin/ParkingBehaviorController.php
@@ -25,6 +25,7 @@ class ParkingBehaviorController extends BaseController
                 . "COUNT(license_plate_id) AS parking_frequency, SUM(COALESCE("
                 . "leave_time, UNIX_TIMESTAMP()) - enter_time) AS parking_duration";
             $from = " FROM `parking_access_record` ";
+            $order = ' ORDER BY time_period DESC';
             $group = " GROUP BY DATE_FORMAT(FROM_UNIXTIME(enter_time),"
                 . " '%Y-%m-%d'), `license_plate_id`";
 
@@ -95,7 +96,7 @@ class ParkingBehaviorController extends BaseController
 
             $limit = " LIMIT {$offset}, {$perPage}";
             $items = DB::select(
-                $select . $from . $where . $group . $having . $limit
+                $select . $from . $where . $order . $group . $having . $limit
             );
 
             foreach ($items as &$item) {