diff --git a/src/Traits/ActivityModel.php b/src/Traits/ActivityModel.php
index c8601a0..002d0f3 100644
--- a/src/Traits/ActivityModel.php
+++ b/src/Traits/ActivityModel.php
@@ -19,47 +19,46 @@ public static function bootActivityModel()
     {
         if (auth()->user()) {
             try {
-                $user_id = auth()->user()->id;
-                static::created(function ($model) use ($user_id) {
-                    if ($model->activityDefault()['created']) {
-                        $activity = $model->activities()->create($model->activityDefault()['created'] + ['user_id' => $user_id]);
+                static::created(function ($model) {
+                    if (array_key_exists('created', $model->activityDefault())) {
+                        $activity = $model->activities()->create($model->activityDefault()['created'] + ['user_id' => auth()->user()->id]);
                         $model->sendNotification($activity);
                     }
                 });
 
-                static::deleted(function ($model) use ($user_id) {
-                    if ($model->activityDefault()['deleted']) {
-                        $activity = $model->activities()->create($model->activityDefault()['deleted'] + ['user_id' => $user_id]);
+                static::deleted(function ($model) {
+                    if (array_key_exists('deleted', $model->activityDefault())) {
+                        $activity = $model->activities()->create($model->activityDefault()['deleted'] + ['user_id' => auth()->user()->id]);
                         $model->sendNotification($activity);
                     }
                 });
 
-                static::updated(function ($model) use ($user_id) {
+                static::updated(function ($model) {
                     $changes = $model->getChanges();
                     if (count($changes) > 1 && $model->activityChanges()) {
                         foreach ($changes as $key => $value) {
                             if (array_key_exists($key, $model->activityChanges()) && array_key_exists('title_ar', $model->activityChanges()[$key])) {
-                                $activity = $model->activities()->create($model->activityChanges()[$key] + ['user_id' => $user_id]);
+                                $activity = $model->activities()->create($model->activityChanges()[$key] + ['user_id' => auth()->user()->id]);
                                 $model->sendNotification($activity);
                             } else {
                                 if (array_key_exists($key, $model->activityChanges()) && array_key_exists($value, $model->activityChanges()[$key]) && array_key_exists('title_ar', $model->activityChanges()[$key][$value])) {
-                                    $activity = $model->activities()->create($model->activityChanges()[$key][$value] + ['user_id' => $user_id]);
+                                    $activity = $model->activities()->create($model->activityChanges()[$key][$value] + ['user_id' => auth()->user()->id]);
                                     $model->sendNotification($activity);
                                 }
                             }
                         }
                     } else {
-                        if ($model->activityDefault()['updated']) {
-                            $activity = $model->activities()->create($model->activityDefault()['updated'] + ['user_id' => $user_id, 'data' => json_encode($model->getChanges())]);
+                        if (array_key_exists('updated', $model->activityDefault())) {
+                            $activity = $model->activities()->create($model->activityDefault()['updated'] + ['user_id' => auth()->user()->id]);
                             $model->sendNotification($activity);
                         }
                     }
                 });
                 if (in_array('Illuminate\Database\Eloquent\SoftDeletes', class_uses(new self))) {
-                    static::restored(function ($model) use ($user_id) {
-                        if ($model->activityDefault()['restored']) {
-                            $activity = $model->activities()->create($model->activityDefault()['restored'] + ['user_id' => $user_id]);
-                            $model->sendNotification($activity);
+                    static::restored(function ($model) {
+                        if (array_key_exists('restored', $model->activityDefault())) {
+                        $activity = $model->activities()->create($model->activityDefault()['restored'] + ['user_id' => auth()->user()->id]);
+                        $model->sendNotification($activity);
                         }
                     });
                 }
@@ -97,7 +96,7 @@ public function sendNotification($activity)
         $option = $optionBuilder->build();
         $notification = $notificationBuilder->build();
         $data = $dataBuilder->build();
-        $tokens = $this->ActivityFcmUsers();
+        $tokens = $this->activityFcmTokens();
 
         if (count($tokens) > 0) {
             FCM::sendTo($tokens, $option, $notification, $data);