diff --git a/app/Models/Room.php b/app/Models/Room.php
index ac1cab5..3e583a6 100644
--- a/app/Models/Room.php
+++ b/app/Models/Room.php
@@ -80,4 +80,18 @@ class Room extends Model
     public function statusLogs() {
         return $this->hasMany(RoomStatusLog::class);
     }
+    public function toArray()
+    {
+        $array = parent::toArray();
+
+        if ($this->started_at) {
+            $array['started_at'] = $this->started_at->timezone('Asia/Taipei')->format('Y-m-d H:i:s');
+        }
+
+        if ($this->ended_at) {
+            $array['ended_at'] = $this->ended_at->timezone('Asia/Taipei')->format('Y-m-d H:i:s');
+        }
+
+        return $array;
+    }
 }