diff --git a/app/Models/Activity.php b/app/Models/Activity.php
index 5d9c1e7..b0c04fa 100644
--- a/app/Models/Activity.php
+++ b/app/Models/Activity.php
@@ -33,6 +33,9 @@ class Activity extends Model
 		'jobs_done', 'assign_hr', 'assign_material', 'assign_tools', 'assign_expense'
 	];
 
+    protected $casts = [
+        'rencana_biaya' => 'double'
+    ];
 
 	public function getStartDateAttribute($value)
 	{
@@ -61,58 +64,60 @@ class Activity extends Model
 
 	public static function boot() {
 		parent::boot();
-
-		static::updating(function($data) {
-			$data->logPersentaseProgress();
-		});
-
-		static::updated(function($data) {
-			$data->updateBobot();
-			$data->updateCostPlanning();
-			if($data->bobot_planning){
-				$data->updatePersentaseProgress();
-			}
-			$data->updateCostActual();
-			// if($data->start_date != request()->start_date || $data->end_date != request()->end_date) {
-			// 	$data->updateStartEndDateHeader();
-			// }
-		});
-
-		static::deleted(function($data) {
-            if (isset($data->parent_id)) {
-                if(Activity::where("parent_id", $data->parent_id)->count() == 0) {
-					$activity = Activity::find($data->parent_id);
-					if ($activity) {
-				    	$activity->update(["type_activity"=>"task"]);
-					}
-				}
-            }
-
-			$data->updateBobot(true);
-			$data->updateCostPlanning();
-			if($data->bobot_planning){
-				$data->updatePersentaseProgress();
-			}
-			$data->updateCostActual();
-			$data->updateStartEndDateHeader();
-		});
-
+        DB::transaction(function() {
+            static::updating(function($data) {
+                $data->logPersentaseProgress();
+            });
+
+            static::updated(function($data) {
+                $data->updateBobot();
+                $data->updateCostPlanning();
+                if($data->bobot_planning){
+                    $data->updatePersentaseProgress();
+                }
+                $data->updateCostActual();
+                // if($data->start_date != request()->start_date || $data->end_date != request()->end_date) {
+                // 	$data->updateStartEndDateHeader();
+                // }
+            });
+
+            static::deleted(function($data) {
+                if (isset($data->parent_id)) {
+                    if(Activity::where("parent_id", $data->parent_id)->count() == 0) {
+                        $activity = Activity::find($data->parent_id);
+                        if ($activity) {
+                            $activity->update(["type_activity"=>"task"]);
+                        }
+                    }
+                }
+
+                $data->updateBobot(true);
+                $data->updateCostPlanning();
+                if($data->bobot_planning){
+                    $data->updatePersentaseProgress();
+                }
+                $data->updateCostActual();
+                $data->updateStartEndDateHeader();
+            });
+        },5);
 	}
 
 	private function updateBobot($isDelete = false)
 	{
-		$root = Activity::where('version_gantt_id', $this->version_gantt_id)
-			->where("proyek_id", $this->proyek_id)
-			->whereNull('parent_id')
+		$root = Activity::where([
+            ['version_gantt_id', $this->version_gantt_id],
+            ['proyek_id', $this->proyek_id]
+            ])
+            ->whereNull('parent_id')
 			->first();
 
-		if(isset($root) && $root->rencana_biaya > 0){
-			$activities = Activity::where("proyek_id", $this->proyek_id)->where("version_gantt_id", $this->version_gantt_id)->get();
+		if(isset($root) && doubleval($root->rencana_biaya) > 0){
+			$activities = Activity::where([['proyek_id', $this->proyek_id],['version_gantt_id', $this->version_gantt_id]])->get();
 			foreach ($activities as $activity) {
 				if($isDelete && $activity->id == $this->id)
 					continue;
 
-				$activity->bobot_planning = ( (int)$activity->rencana_biaya / $root->rencana_biaya) * 100;
+				$activity->bobot_planning = ( doubleval($activity->rencana_biaya) / doubleval($root->rencana_biaya)) * 100;
 				$activity->updated_by = auth()->user() ? auth()->user()->name : "system";
 				$activity->saveQuietly();