diff --git a/ci4/app/Controllers/Produccion/Ordentrabajo.php b/ci4/app/Controllers/Produccion/Ordentrabajo.php
index 35f7334c..1b802ecb 100755
--- a/ci4/app/Controllers/Produccion/Ordentrabajo.php
+++ b/ci4/app/Controllers/Produccion/Ordentrabajo.php
@@ -332,7 +332,8 @@ class Ordentrabajo extends BaseController
         $status = $this->produccionService->tareaUpdateMaquinaCorte($orden_trabajo_id);
         return $this->response->setJSON(["message" => lang("App.global_alert_save_success"), "status" => $status]);
     }
-    public function get_files() {
+    public function get_files()
+    {
         $bodyData = $this->request->getPost();
         $files = $this->produccionService->init($bodyData["orden_trabajo_id"])->getOtFiles();
         $response = [];
@@ -353,9 +354,14 @@ class Ordentrabajo extends BaseController
             $otFiles = [];
             $bodyData = $this->request->getPost();
             $files = $this->request->getFileMultiple('file');
-            $response = $this->produccionService
-                ->init($bodyData["orden_trabajo_id"])
-                ->storeOtFiles($files);
+            $ps = $this->produccionService->init($bodyData["orden_trabajo_id"]);
+            $existingFiles = json_decode($bodyData["oldFiles"]);
+            $ps->deleteOtFiles($existingFiles);
+            if($files){
+                $response = $ps->storeOtFiles($files);
+            }else{
+                $response = null;
+            }
             return $this->response->setJSON([
                 "message" => lang("App.global_alert_save_success"),
                 "data" => $response,