diff --git a/app/admin/controller/InvRequisitionController.php b/app/admin/controller/InvRequisitionController.php
index 441a35f..c54f81a 100644
--- a/app/admin/controller/InvRequisitionController.php
+++ b/app/admin/controller/InvRequisitionController.php
@@ -82,8 +82,12 @@ class InvRequisitionController extends BaseController
 //         if (isset($data['id'])){
 //             $data['approve'] = InvRequisitionApprove::where('requisition_id', $data['id'])->get();
 //         }
-         if (isset($data['created_at']))
-             $data['created_at'] = date('Y-m-d H:i:s', $data['created_at']);
+         if (isset($data['created_at'])){
+             $data['created_at'] = is_int($data['created_at'])?$data['created_at']:strtotime($data['created_at']);{
+                 $data['updated_at'] = is_int($data['updated_at'])?$data['updated_at']:strtotime($data['updated_at']);
+                 $data['created_at'] = date('Y-m-d H:i:s', $data['created_at']);
+             }
+         }
          if (isset($data['updated_at']))
              $data['updated_at'] = date('Y-m-d H:i:s', $data['updated_at']);
          if (isset($data['id'])){