diff --git a/app/Exports/ParkingBehaviorExport.php b/app/Exports/ParkingBehaviorExport.php
index 8e075ef..1037979 100644
--- a/app/Exports/ParkingBehaviorExport.php
+++ b/app/Exports/ParkingBehaviorExport.php
@@ -19,7 +19,7 @@ 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';
+        $order = ' ORDER BY enter_time DESC';
         $group = " GROUP BY DATE_FORMAT(FROM_UNIXTIME(enter_time),"
             . " '%Y-%m-%d'), `license_plate_id`";
 
diff --git a/app/Http/Controllers/Admin/ParkingBehaviorController.php b/app/Http/Controllers/Admin/ParkingBehaviorController.php
index dbd1243..f8d14ad 100644
--- a/app/Http/Controllers/Admin/ParkingBehaviorController.php
+++ b/app/Http/Controllers/Admin/ParkingBehaviorController.php
@@ -25,7 +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';
+            $order = ' ORDER BY enter_time DESC';
             $group = " GROUP BY DATE_FORMAT(FROM_UNIXTIME(enter_time),"
                 . " '%Y-%m-%d'), `license_plate_id`";