diff --git a/app/Models/MachineStatus.php b/app/Models/MachineStatus.php
index f40e10d..fae0492 100644
--- a/app/Models/MachineStatus.php
+++ b/app/Models/MachineStatus.php
@@ -28,30 +28,5 @@ class MachineStatus extends Model
         'disk',
         'status',
     ];
-    public function save(array $options = [])
-    {
-        throw new \Exception("MachineStatus is read-only.");
-    }
-
-    public function delete()
-    {
-        throw new \Exception("MachineStatus cannot be deleted.");
-    }
-
-    public static function create(array $attributes = [])
-    {
-        throw new \Exception("MachineStatus is read-only.");
-    }
-
-    public static function booted()
-    {
-        // 防止 mass update/delete
-        static::updating(function () {
-            throw new \Exception("Updating is not allowed.");
-        });
-
-        static::deleting(function () {
-            throw new \Exception("Deleting is not allowed.");
-        });
-    }
+    
 }
diff --git a/app/Models/RoomStatusLog.php b/app/Models/RoomStatusLog.php
index 8f1a910..1c7dca5 100644
--- a/app/Models/RoomStatusLog.php
+++ b/app/Models/RoomStatusLog.php
@@ -28,30 +28,5 @@ class RoomStatusLog extends Model
     public function room() {
         return $this->belongsTo(Room::class);
     }
-    public function save(array $options = [])
-    {
-        throw new \Exception("RoomStatusLog is read-only.");
-    }
-
-    public function delete()
-    {
-        throw new \Exception("RoomStatusLog cannot be deleted.");
-    }
-
-    public static function create(array $attributes = [])
-    {
-        throw new \Exception("RoomStatusLog is read-only.");
-    }
-
-    public static function booted()
-    {
-        // 防止 mass update/delete
-        static::updating(function () {
-            throw new \Exception("Updating is not allowed.");
-        });
-
-        static::deleting(function () {
-            throw new \Exception("Deleting is not allowed.");
-        });
-    }
+    
 }
diff --git a/app/Models/SongLibraryCache.php b/app/Models/SongLibraryCache.php
index 9fb6fcf..16ddd10 100644
--- a/app/Models/SongLibraryCache.php
+++ b/app/Models/SongLibraryCache.php
@@ -38,30 +38,5 @@ class SongLibraryCache extends Model
         'song_counts',
         'updated_at',
     ];
-    public function save(array $options = [])
-    {
-        throw new \Exception("SongLibraryCache is read-only.");
-    }
-
-    public function delete()
-    {
-        throw new \Exception("SongLibraryCache cannot be deleted.");
-    }
-
-    public static function create(array $attributes = [])
-    {
-        throw new \Exception("SongLibraryCache is read-only.");
-    }
-
-    public static function booted()
-    {
-        // 防止 mass update/delete
-        static::updating(function () {
-            throw new \Exception("Updating is not allowed.");
-        });
-
-        static::deleting(function () {
-            throw new \Exception("Deleting is not allowed.");
-        });
-    }
+    
 }