diff --git a/system_skeleton/modulos/sys_about.php b/system_skeleton/modulos/sys_about.php
index 666d7eb..37285a3 100644
--- a/system_skeleton/modulos/sys_about.php
+++ b/system_skeleton/modulos/sys_about.php
@@ -1,41 +1,41 @@
-<?php
-defined('APLICATIVO') or die();
-
-require_once 'includes/config_conexao.php';
-
-$login = (array_key_exists('USER', $_SESSION[APLICATIVO]) ? $_SESSION[APLICATIVO]['USER']['LOGIN']:null);
-$grupo = null;
-if (array_key_exists('USER', $_SESSION[APLICATIVO])) {
-    $grupo = (array_key_exists('GRUPO_NOME', $_SESSION[APLICATIVO]['USER']) ? $_SESSION[APLICATIVO]['USER']['GRUPO_NOME']:null);
-}
-
-$frm = new TForm('Sobre', 400, 500);
-$frm->setFlat(true);
-$frm->setMaximize(true);
-
-$frm->addGroupField('gpx1', 'Sistema');
-    $frm->addTextField('systemName', 'Sistema:', 50, false, 50, SYSTEM_NAME)->setReadOnly(true);
-    $frm->addTextField('systemAcronym', 'Sigla:', 20, false, 50, SYSTEM_ACRONYM)->setReadOnly(true);
-    $frm->addTextField('versionSystem', 'Versão do Sistema:', 20, false, 20, SYSTEM_VERSION)->setReadOnly(true);
-    $pathChangeLog = 'ajuda/changelog.php';
-    $changelog = $frm->addTextField('changelog', 'Arquivo ChangeLog:', 20, false, 20, $pathChangeLog);
-;
-    $changelog->setReadOnly(true);
-    $changelog->setHelpOnLine('ChangeLog', 500, 800, $pathChangeLog);
-$frm->closeGroup();
-
-
-$frm->addGroupField('gpx2', 'Usuário');
-    $frm->addTextField('user', 'Usuário Logado:', 50, false, 50, $login)->setReadOnly(true);
-    $frm->addTextField('group', 'Grupo:', 50, false, 50, $grupo)->setReadOnly(true);
-$frm->closeGroup();
-
-$frm->addGroupField('gpx3', '');
-    $frm->addTextField('versionFormDin', 'Versão do FormDin:', 20, false, 20, FORMDIN_VERSION)->setReadOnly(true);
-    $frm->addTextField('servidorBD', 'Servidor de Banco:', 20, false, 20, HOST)->setReadOnly(true);
-    $frm->addTextField('banco', 'Banco:', 20, false, 20, DATABASE)->setReadOnly(true);
-$frm->closeGroup();
-
-
-
-$frm->show();
+<?php
+defined('APLICATIVO') or die();
+
+require_once 'includes/config_conexao.php';
+
+$login = (ArrayHelper::has('USER', $_SESSION[APLICATIVO]) ? $_SESSION[APLICATIVO]['USER']['LOGIN']:null);
+$grupo = null;
+if (ArrayHelper::has('USER', $_SESSION[APLICATIVO])) {
+    $grupo = (ArrayHelper::has('GRUPO_NOME', $_SESSION[APLICATIVO]['USER']) ? $_SESSION[APLICATIVO]['USER']['GRUPO_NOME']:null);
+}
+
+$frm = new TForm('Sobre', 400, 500);
+$frm->setFlat(true);
+$frm->setMaximize(true);
+
+$frm->addGroupField('gpx1', 'Sistema');
+    $frm->addTextField('systemName', 'Sistema:', 50, false, 50, SYSTEM_NAME)->setReadOnly(true);
+    $frm->addTextField('systemAcronym', 'Sigla:', 20, false, 50, SYSTEM_ACRONYM)->setReadOnly(true);
+    $frm->addTextField('versionSystem', 'Versão do Sistema:', 20, false, 20, SYSTEM_VERSION)->setReadOnly(true);
+    $pathChangeLog = 'ajuda/changelog.php';
+    $changelog = $frm->addTextField('changelog', 'Arquivo ChangeLog:', 20, false, 20, $pathChangeLog);
+;
+    $changelog->setReadOnly(true);
+    $changelog->setHelpOnLine('ChangeLog', 500, 800, $pathChangeLog);
+$frm->closeGroup();
+
+
+$frm->addGroupField('gpx2', 'Usuário');
+    $frm->addTextField('user', 'Usuário Logado:', 50, false, 50, $login)->setReadOnly(true);
+    $frm->addTextField('group', 'Grupo:', 50, false, 50, $grupo)->setReadOnly(true);
+$frm->closeGroup();
+
+$frm->addGroupField('gpx3', '');
+    $frm->addTextField('versionFormDin', 'Versão do FormDin:', 20, false, 20, FORMDIN_VERSION)->setReadOnly(true);
+    $frm->addTextField('servidorBD', 'Servidor de Banco:', 20, false, 20, HOST)->setReadOnly(true);
+    $frm->addTextField('banco', 'Banco:', 20, false, 20, DATABASE)->setReadOnly(true);
+$frm->closeGroup();
+
+
+
+$frm->show();