diff --git a/content/system/classes/Notifications/DatabaseNotification.php b/content/system/classes/Notifications/DatabaseNotification.php
new file mode 100644
index 000000000..b08cc1f8a
--- /dev/null
+++ b/content/system/classes/Notifications/DatabaseNotification.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Ecjia\System\Notifications;
+
+class DatabaseNotification extends \Royalcms\Component\Notifications\DatabaseNotification
+{
+	use Timestamp;
+
+	
+}
\ No newline at end of file
diff --git a/content/system/classes/Notifications/NotifiableModel.php b/content/system/classes/Notifications/NotifiableModel.php
new file mode 100644
index 000000000..92a705d9c
--- /dev/null
+++ b/content/system/classes/Notifications/NotifiableModel.php
@@ -0,0 +1,24 @@
+<?php
+
+
+namespace Ecjia\System\Notifications;
+
+
+use Royalcms\Component\Notifications\Notifiable;
+use Royalcms\Component\Database\Eloquent\Model;
+
+class NotifiableModel extends Model
+{
+    use Notifiable;
+
+    /**
+     * Get the entity's notifications.
+     *
+     * @return \Royalcms\Component\Database\Eloquent\Relations\MorphMany
+     */
+    public function notifications()
+    {
+        return $this->morphMany(DatabaseNotification::class, 'notifiable')->orderBy('created_at', 'desc');
+    }
+
+}
\ No newline at end of file
diff --git a/content/system/classes/Notifications/Timestamp.php b/content/system/classes/Notifications/Timestamp.php
new file mode 100644
index 000000000..034925822
--- /dev/null
+++ b/content/system/classes/Notifications/Timestamp.php
@@ -0,0 +1,41 @@
+<?php
+
+
+namespace Ecjia\System\Notifications;
+
+
+trait Timestamp
+{
+
+    public function getCreatedAtAttribute($raw_time)
+    {
+        return $this->changeTimeZone($raw_time, '', config('system.timezone'));
+    }
+
+    public function getUpdatedAtAttribute($raw_time)
+    {
+        return $this->changeTimeZone($raw_time, '', config('system.timezone'));
+    }
+
+    public function changeTimeZone($dateString, $timeZoneSource = null, $timeZoneTarget = null)
+    {
+
+        if (empty($timeZoneSource)) {
+            $timeZoneSource = date_default_timezone_get();
+        }
+        if (empty($timeZoneTarget)) {
+            $timeZoneTarget = date_default_timezone_get();
+        }
+
+        try {
+            $dt = new \DateTime($dateString, new \DateTimeZone($timeZoneSource));
+            $dt->setTimezone(new \DateTimeZone($timeZoneTarget));
+            return $dt->format('Y-m-d H:i:s');
+        } catch (\Exception $e) {
+            ecjia_log_error($e->getMessage());
+        }
+
+        return $dateString;
+    }
+
+}
\ No newline at end of file
diff --git a/content/system/classes/admin/ecjia_admin_notifiable.class.php b/content/system/classes/admin/ecjia_admin_notifiable.class.php
index 1d0c4fde3..254292ec5 100644
--- a/content/system/classes/admin/ecjia_admin_notifiable.class.php
+++ b/content/system/classes/admin/ecjia_admin_notifiable.class.php
@@ -44,13 +44,10 @@
 //
 //  ---------------------------------------------------------------------------------
 //
-use Royalcms\Component\Notifications\Notifiable;
-use Royalcms\Component\Database\Eloquent\Model;
+use Ecjia\System\Notifications\NotifiableModel;
 
-class ecjia_admin_notifiable extends Model
+class ecjia_admin_notifiable extends NotifiableModel
 {
-    use Notifiable;
-    
     /**
      * The table associated with the model.
      *