diff --git a/app/Observers/RoomObserver.php b/app/Observers/RoomObserver.php
index 94a7a0d..4738d4e 100644
--- a/app/Observers/RoomObserver.php
+++ b/app/Observers/RoomObserver.php
@@ -24,8 +24,8 @@ class RoomObserver
      */
     public function updated(Room $room): void
     {
-        // 檢查是否有變更狀態
-        if ($room->wasChanged(array_diff(array_keys($room->getChanges()), ['updated_at']))) {
+        // 如果有變動才記錄
+        if ($this->hasChangesExcept($room, ['updated_at'])) {
             $this->createStatusLog($room);
         }
         if ($room->isDirty('status')) {
@@ -69,6 +69,14 @@ class RoomObserver
         );
         $this->createStatusLog($room,$message);
     }
+    protected function hasChangesExcept($model, array $except = ['updated_at']): bool
+    {
+        $changes = $model->getChanges();
+        foreach ($except as $key) {
+            unset($changes[$key]);
+        }
+        return !empty($changes);
+    }
     
     /**
      * 建立 RoomStatusLog