diff --git a/app/Http/Controllers/ActivityController.php b/app/Http/Controllers/ActivityController.php
index 2c7025f..a04c6e0 100644
--- a/app/Http/Controllers/ActivityController.php
+++ b/app/Http/Controllers/ActivityController.php
@@ -68,9 +68,6 @@ class ActivityController extends Controller
 			$objRow->planned_start = isset($objRow->planned_start) ? date_format(date_create($objRow->planned_start),"Y-m-d H:i:s") : NULL;
 			$objRow->planned_end = isset($objRow->planned_end) ? date_format(date_create($objRow->planned_end),"Y-m-d H:i:s") : NULL;
 	 		$objRow->progress = $objRow->persentase_progress / 100;
-      if ($objRow->sortorder == 0 || $objRow->sortorder == null) {
-        $objRow->sortorder = $objRow->id;
-      }
 			$objRow->type = $type;
 			$finalData[] = $objRow;
 			$finalData = array_merge($finalData, $dataChildren);
@@ -114,9 +111,6 @@ class ActivityController extends Controller
 			$objRow->end_date = date_format($endDate,"Y-m-d H:i:s");
 			$objRow->planned_start = isset($objRow->planned_start) ? date_format(date_create($objRow->planned_start),"Y-m-d H:i:s") : NULL;
 			$objRow->planned_end = isset($objRow->planned_end) ? date_format(date_create($objRow->planned_end),"Y-m-d H:i:s") : NULL;
-      if ($objRow->sortorder == 0 || $objRow->sortorder == null) {
-        $objRow->sortorder = $objRow->id;
-      }
 			$dataChildren = $this->getChildren($gantt_id, $objRow->id);
 			if($objRow->type_activity=="milestone"){
 				$objRow->type = $objRow->type_activity;
@@ -144,6 +138,7 @@ class ActivityController extends Controller
         'rencana_biaya'=> $project->rencana_biaya,
         'type_activity'=> 'project',
         'created_by'=>$this->currentName,
+        'sortorder'=>1
       ]);
     } else {
       $rootActivity = Activity::create([
@@ -156,6 +151,7 @@ class ActivityController extends Controller
         'rencana_biaya'=> $project->rencana_biaya,
         'type_activity'=> 'project',
         'created_by'=>$this->currentName,
+        'sortorder'=>1
       ]);
     }
 
@@ -166,6 +162,7 @@ class ActivityController extends Controller
 
 		foreach($resultTypeProject as $objRow){
 			$childActivities = TemplateGantt::where("parent_id", $objRow->id)->count();
+      $max = Activity::where('version_gantt_id', $id)->max('sortorder');
 			$resultNew = Activity::create([
 				'type_activity'=> $childActivities > 0 ? "project" : "task",
 				'version_gantt_id'=>$id,
@@ -174,7 +171,8 @@ class ActivityController extends Controller
 				'name'=> $objRow->name_activity,
 				'start_date'=>date("Y-m-d H:i:s"),
 				'end_date'=>date("Y-m-d H:i:s"),
-				'created_by'=>$this->currentName
+        'created_by'=>$this->currentName,
+        'sortorder'=>$max+1
 			]);
 			$this->getChildrenTemplate($id, $objRow->id, $project->type_project_id, $proyek_id, $resultNew->id, $project->mulai_proyek);
 		}
@@ -185,6 +183,7 @@ class ActivityController extends Controller
 		$data = TemplateGantt::where('parent_id', $parent_id)->orderByRaw('id ASC')->get();
 		foreach($data as $objRow){
 			$childActivities = TemplateGantt::where("parent_id", $objRow->id)->count();
+      $max = Activity::where('version_gantt_id', $id)->max('sortorder');
 			$resultNew = Activity::create([
 				'type_activity'=> $childActivities > 0 ? "project" : "task",
 				'version_gantt_id'=>$id,
@@ -193,7 +192,8 @@ class ActivityController extends Controller
 				'name'=> $objRow->name_activity,
 				'start_date'=>$firstDay,
 				'end_date'=>$firstDay,
-				'created_by'=>$this->currentName
+				'created_by'=>$this->currentName,
+        'sortorder'=>$max+1
 			]);
 			$this->getChildrenTemplate($id, $objRow->id, $type_proyek_id, $proyek_id, $resultNew->id, $firstDay);
 		}
@@ -209,7 +209,8 @@ class ActivityController extends Controller
 		$data['name'] = $request->text;
 		$data['persentase_progress'] = $request->progress;
 		$data['created_by'] = $this->currentName;
-    $data['sortorder'] = Activity::max("sortorder") + 1;
+    $max = Activity::where('version_gantt_id', $request->version_gantt_id)->max('sortorder');
+    $data['sortorder'] = $max + 1;
 		$data['type_activity'] = "task";
 
 		$parent = $data['parent_id'] ?? null;
@@ -251,6 +252,7 @@ class ActivityController extends Controller
 		$dataUpdate['name'] = $request->text;
 		$dataUpdate['persentase_progress'] = $request->progress*100;
 		$dataUpdate['updated_by'] = $this->currentName;
+    unset($dataUpdate['sortorder']);
 		if($data->type_activity!='header')
 			$dataUpdate['type_activity'] = $request->type;