diff --git a/app/Http/Controllers/HumanResourceController.php b/app/Http/Controllers/HumanResourceController.php
index 2d372ff..0defd38 100644
--- a/app/Http/Controllers/HumanResourceController.php
+++ b/app/Http/Controllers/HumanResourceController.php
@@ -60,6 +60,10 @@ class HumanResourceController extends Controller
         if(isset($request->password) && $request->password!="" ){
             $data['password'] = md5($request->password);
         }
+        
+        if(isset($data['username']) && HumanResource::where('username', $data['username'])->where('id', '<>', $id)->exists()){
+            return response()->json(['status'=>'failed','message'=>'Username already exists!','code'=>400], 400);
+        }
 
         if($humanresource){
             $result = $humanresource->update($data);
diff --git a/app/Http/Controllers/ProjectController.php b/app/Http/Controllers/ProjectController.php
index 37a2da7..4689c04 100644
--- a/app/Http/Controllers/ProjectController.php
+++ b/app/Http/Controllers/ProjectController.php
@@ -231,7 +231,7 @@ class ProjectController extends Controller
 			$scheduleHealth = "on-track";
 			$rootActivity = Activity::whereNull('parent_id')->where('proyek_id', $d->id)->orderBy('version_gantt_id', 'desc')->first();
 			if($rootActivity){
-				$costVariance = $d->rencana_biaya - $rootActivity->biaya_actual;
+				$costVariance = (int)$d->rencana_biaya - (int)$rootActivity->biaya_actual;
 				$actualCost = $rootActivity->biaya_actual ?? 0;
 				$progress = $rootActivity->persentase_progress ?? 0;
 
@@ -271,7 +271,7 @@ class ProjectController extends Controller
             }
         }
 
-        $totalPlannedCost = $data->sum('plannedCost');
+        $totalPlannedCost = array_sum(array_map('intval', array_column($data->toArray(), 'plannedCost')));
         $totalActualCost = $data->sum('actualCost');
 		$manpowers = User::count();
 		$projectsOnDanger = Project::where('budget_health', 'danger')->count();