* Refactor upgrade view of instance,adjust lang file of instance.

module/instance/ui/upgrade.html.php

@@ -0,0 +1,28 @@
+<?php
+declare(strict_types=1);
+/**
+ * The setting view file of instance module of ZenTaoPMS.
+ *
+ * @copyright   Copyright 2009-2023 禅道软件（青岛）有限公司(ZenTao Software (Qingdao) Co., Ltd. www.zentao.net)
+ * @license     ZPL(https://zpl.pub/page/zplv12.html) or AGPL(https://www.gnu.org/licenses/agpl-3.0.en.html)
+ * @author      Ke Zhao<zhaoke@easycorp.ltd>
+ * @package     instance
+ * @link        https://www.zentao.net
+ */
+
+namespace zin;
+
+formPanel
+(
+    set::id('instanceSettingForm'),
+    set::title(''),
+    set::actions(array('submit')),
+    set::submitBtnText($lang->instance->upgrade),
+    set::cancelBtnText($lang->cancel),
+    span
+    (
+        setClass('p-5'),
+        $lang->instance->notices['confirmUpgrade']
+    ),
+    input(set::type('hidden'), set::name('confirm'), set::value('yes'))
+);