diff --git a/app/Console/Commands/CalculateSCurve.php b/app/Console/Commands/CalculateSCurve.php
index 72a2e37..2d005d7 100644
--- a/app/Console/Commands/CalculateSCurve.php
+++ b/app/Console/Commands/CalculateSCurve.php
@@ -25,7 +25,5 @@ class CalculateSCurve extends Command
     $project->scurve = json_encode($data);
     $project->calculation_status = true;
     $project->save();
-
-    return $data;
   }
 }
diff --git a/app/Helpers/MasterFunctionsHelper.php b/app/Helpers/MasterFunctionsHelper.php
index b93588d..9108ceb 100644
--- a/app/Helpers/MasterFunctionsHelper.php
+++ b/app/Helpers/MasterFunctionsHelper.php
@@ -473,11 +473,11 @@ class MasterFunctionsHelper {
 
 		$minDate = $dataProject->mulai_proyek;
 
-		$begin = new \DateTime($minDate.' Monday');
+		$begin = new \DateTime($minDate);
     $begin->modify('last Monday');
 		if(isset($dataPayload['end_date'])){
 			$maxDate = $dataPayload['end_date'];
-			$end = new \DateTime($maxDate. ' Friday');
+			$end = new \DateTime($maxDate);
       $end->modify('next Friday');
       $end->modify('next Friday');
 			/* $interval = \DateInterval::createFromDateString('1 day'); */ // should be using this but its bugged
@@ -488,7 +488,7 @@ class MasterFunctionsHelper {
 			// 	->join('m_activity as a', 'a.id', '=', 'ama.activity_id')
 			// 	->max("plan_date"); // plan date overlapped with assign_material_to_activity's, it should be m_activity's
       $maxDate = $dataProject->akhir_proyek;
-			$end = new \DateTime($maxDate. ' Friday');
+			$end = new \DateTime($maxDate);
       $end->modify('next Friday');
       $end->modify('next Friday');
 			$interval = new \DateInterval('P7D');
diff --git a/app/Models/HierarchyFtth.php b/app/Models/HierarchyFtth.php
index 34fd7d3..fae503c 100644
--- a/app/Models/HierarchyFtth.php
+++ b/app/Models/HierarchyFtth.php
@@ -14,4 +14,15 @@ class HierarchyFtth extends Model
   protected $fillable = [
     'name', 'parent_id', 'project_id', 'created_at', 'updated_at', 'progress', 'bobot_planning'
   ];
+  
+  public static function boot() {
+		parent::boot();
+
+		static::deleted(function($data) {
+      $ftths = HierarchyFtth::where('parent_id', $data->id)->get();
+      foreach ($ftths as $ftth) {
+          $ftth->delete();
+      }
+		});
+	}
 }