diff --git a/app/Http/Controllers/ActivityController.php b/app/Http/Controllers/ActivityController.php
index 733ee1d..21dc80c 100644
--- a/app/Http/Controllers/ActivityController.php
+++ b/app/Http/Controllers/ActivityController.php
@@ -1,22 +1,23 @@
 <?php
 namespace App\Http\Controllers;
 
-use App\Helpers\MasterFunctionsHelper;
-use App\Models\Activity;
-use App\Models\AssignMaterial;
-use App\Models\CommentActivity;
+use DateTime;
 use App\Models\Link;
+use App\Models\User;
 use App\Models\Project;
-use App\Models\TemplateGantt;
+use App\Models\Activity;
 use App\Models\TmpImport;
-use App\Models\VersionGantt;
-use App\Models\UserToActivity;
 use App\Models\UserToProyek;
-use App\Models\User;
+use App\Models\VersionGantt;
 use Illuminate\Http\Request;
+use App\Models\TemplateGantt;
+use App\Models\AssignMaterial;
+use App\Models\UserToActivity;
+use App\Models\ActivityDokumen;
+use App\Models\CommentActivity;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Log;
-use DateTime;
+use App\Helpers\MasterFunctionsHelper;
 
 class ActivityController extends Controller
 {
@@ -500,13 +501,26 @@ class ActivityController extends Controller
 	{
 		if (!$data = Activity::find($id))
 			return response()->json(['status' => 'failed', 'action' => 'error', 'message' => 'Data not found!', 'code' => 404], 404);
-
+            $this->deleteRelative($id);
 		if (!$data->delete())
 			return response()->json(['status' => 'failed', 'action' => 'error', 'message' => 'data activity failed deleted!', 'code' => 500], 500);
 
 		return response()->json(['status' => 'success', "action" => "deleted", 'message' => 'data activity successfully deleted!', 'code' => 200], 200);
 	}
 
+    private function deleteRelative($activity_id)
+	{
+        UserToActivity::where('activity_id', $activity_id)->delete();
+        AssignMaterial::where('activity_id', $activity_id)->delete();
+        $dataAd = ActivityDokumen::where("activity_id", $activity_id)->get();
+		foreach ($dataAd as $ad) {
+			if(file_exists($this->pathActivityDocument.$ad->file)){
+				unlink($this->pathActivityDocument.$ad->file);
+			}
+		}
+        ActivityDokumen::where("activity_id", $activity_id)->delete();
+    }
+
 	public function getUpdate($id)
 	{
 		if (!$data = Activity::find($id))