* Add update log of upgrade page.

module/instance/control.php

@@ -326,8 +326,9 @@ class instance extends control
             return $this->send(array('result' => 'success', 'message' => $this->lang->instance->notices['upgradeSuccess'], 'load' => $this->createLink('instance', 'view', "id=$id"), 'closeModal' => true));
         }
 
-        $this->view->title       = $this->lang->instance->upgrade . $instance->name;
-        $this->view->instance    = $instance;
+        $this->view->title    = $this->lang->instance->upgrade . $instance->name;
+        $this->view->desc     = $this->instanceZen->getLastArticle($instance->appID);
+        $this->view->instance = $instance;
 
         $this->display();
     }

module/instance/js/view.ui.js

@@ -29,7 +29,7 @@ window.afterPageUpdate = function()
 {
     setTimeout(function()
     {
-        if(reloadTimes > 10) return;
+        if(reloadTimes > 20) return;
         if($('#statusTD').data('reload') === true || $('#memoryRate').data('load') == true)
         {
             reloadTimes++;

module/instance/ui/upgrade.html.php

@@ -18,6 +18,7 @@ formPanel
     set::title(''),
     set::actions(array('submit')),
     set::submitBtnText($lang->instance->upgrade),
+    h::p($desc),
     span
     (
         setClass('p-5'),

module/instance/zen.php

@@ -0,0 +1,23 @@
+<?php
+declare(strict_types=1);
+class instanceZen extends instance
+{
+    /**
+     * 获取最新一条app动态。
+     * Get the last article of an app.
+     *
+     * @param  int       $appID
+     * @access protected
+     * @return string
+     */
+    protected function getLastArticle(int $appID): string
+    {
+        $appInfo = $this->store->getAppInfo($appID, true);
+        if(empty($appInfo)) return '';
+
+        $dynamicResult = $this->store->appDynamic($appInfo, 1, 1);
+        if(empty($dynamicResult) || empty($dynamicResult->articles)) return '';
+
+        return $dynamicResult->articles[0]->title;
+    }
+}