diff --git a/app/Http/Controllers/Controller.php b/app/Http/Controllers/Controller.php
index 31cc056..a02d0d1 100644
--- a/app/Http/Controllers/Controller.php
+++ b/app/Http/Controllers/Controller.php
@@ -3,6 +3,9 @@
 namespace App\Http\Controllers;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Http;
+use App\Models\UserToActivity;
+use App\Models\Activity;
+use App\Models\AssignMaterial;
 use Laravel\Lumen\Routing\Controller as BaseController;
 
 use App\Models\ReportK3Detail;
@@ -250,7 +253,10 @@ class Controller extends BaseController
 
     private function calculateMaterialCost($activity_id, $proyek_id)
     {
-        $totalCost = AssignMaterial::selectRaw("ISNULL(qty_planning,0)*ISNULL(budget,0) as totalCost")->where("proyek_id", $proyek_id)->where("activity_id", $activity_id)->sum("totalCost");
+      $totalCost = AssignMaterial::selectRaw("COALESCE(qty_planning,0)*COALESCE(budget,0) as totalCost")
+        ->where("proyek_id", $proyek_id)
+        ->where("activity_id", $activity_id)
+        ->sum(AssignMaterial::raw("COALESCE(qty_planning, 0) * COALESCE(budget, 0)"));
         return $totalCost;
     }
 
diff --git a/app/Http/Controllers/UserToActivityController.php b/app/Http/Controllers/UserToActivityController.php
index 8cf9ad6..168af3d 100644
--- a/app/Http/Controllers/UserToActivityController.php
+++ b/app/Http/Controllers/UserToActivityController.php
@@ -72,6 +72,17 @@ class UserToActivityController extends Controller
 
 	}
 
+	private function updatedCostPlanning($parent_id) {
+		$sumBiaya = Activity::selectRaw('sum(cast(rencana_biaya as double precision))')
+			->where("parent_id", $parent_id)
+			->first();
+		if($parent = Activity::find($parent_id)){
+			$parent->update([
+				"rencana_biaya" => $sumBiaya->sum,
+			]);
+		}
+  }
+
 	public function update(Request $request, $id){
 		if(empty($id) || !is_int((int)$id))
 			return response()->json(['status'=>'failed','message'=>'id is required!','code'=>400], 400);