diff --git a/action/action_permisos_update.php b/action/action_permisos_update.php
index b82c5bd..128c4d5 100644
--- a/action/action_permisos_update.php
+++ b/action/action_permisos_update.php
@@ -1,36 +1,69 @@
 <?php
-    $ruta = "../";
-    require_once "../include/bd_pdo.php";
-    global $db;
-    if(isset($_POST['lectura']))
-        $ver = $_POST['lectura'];
-    if(isset($_POST['editar']))
-        $editar = $_POST['editar'];
-    foreach($editar as $edit){
-        $edit_separado = explode("_", $edit);
-        $completo[]=$edit_separado;
+$ruta = "../";
+require_once "../include/bd_pdo.php";
+global $db, $pdo;
+
+try {
+    // Begin transaction
+    $pdo->beginTransaction();
+
+    // Initialize arrays
+    $ver = $_POST['lectura'] ?? [];
+    $editar = $_POST['editar'] ?? [];
+
+    // Only proceed if $ver and $editar are not empty
+    if (empty($ver) && empty($editar)) {
+        throw new Exception("Both arrays are empty.");
     }
+
+    $completo = [];
+
+    // Process $editar array
+    foreach ($editar as $edit) {
+        $edit_separado = explode("_", $edit);
+        $completo[] = $edit_separado;
+    }
+
+    // Call the function to delete all permissions
     $db->query("SELECT fd_permiso()");
-    foreach($ver as $lectura){
-        $igual=false;
+
+    // Process $ver array and merge with $completo
+    foreach ($ver as $lectura) {
+        $igual = false;
         $ver_separado = explode("_", $lectura);
-        foreach($completo as $comp){
-            if($ver_separado[0] == $comp[0] && $ver_separado[1] == $comp[1]){
-                $igual=true;
+        foreach ($completo as $comp) {
+            if ($ver_separado[0] == $comp[0] && $ver_separado[1] == $comp[1]) {
+                $igual = true;
                 break;
             }
         }
-        if(!$igual)
-            $completo[]=$ver_separado;
+        if (!$igual) {
+            $completo[] = $ver_separado;
+        }
     }
-    foreach($completo as $actual){
 
+    // Insert the combined data into the 'permiso' table
+    foreach ($completo as $actual) {
         $db->insert('permiso', [
-            'pagina_id' => $actual['0'],
-            'rol_id' => $actual['1'],
-            'permiso_tipo' => $actual['2'],
+            'pagina_id' => $actual[0],
+            'rol_id' => $actual[1],
+            'permiso_tipo' => $actual[2],
         ]);
     }
+
+    // Commit the transaction
+    $db->commit();
+
+    // Redirect to permisos.php
     header("Location: ../permisos.php");
     exit();
-?>
\ No newline at end of file
+
+} catch (Exception $e) {
+    // Rollback the transaction on error
+    $pdo->rollback();
+
+    // Handle the error (for example, log it or show an error message)
+    echo "An error occurred: " . $e->getMessage();
+    exit();
+}
+?>