diff --git a/module/instance/config.php b/module/instance/config.php
index 6d15555810..dcb9b437d4 100644
--- a/module/instance/config.php
+++ b/module/instance/config.php
@@ -10,10 +10,38 @@ $config->instance->seniorChartList = array();
 $config->instance->seniorChartList['zentao']     = ['zentao-biz', 'zentao-max'];
 $config->instance->seniorChartList['zentao-biz'] = ['zentao-max'];
 
-$config->instance->adminer = new stdclass;
+$config->instance->adminer = new stdclass();
 $config->instance->adminer->dbTypes = array();
 $config->instance->adminer->dbTypes['mysql']      = 'mysql';
 $config->instance->adminer->dbTypes['postgresql'] = 'pgsql';
 
 $features = explode(',', getenv('QUICKON_FEATURES', ''));
 $config->instance->enableAutoRestore = in_array('auto-rollback', $features);
+
+global $lang, $app;
+$app->loadLang('space');
+
+$config->instance->actionList['start']['icon'] = 'play';
+$config->instance->actionList['start']['hint'] = $lang->instance->start;
+$config->instance->actionList['start']['url']  = array('module' => 'instance', 'method' => 'visit', 'params' => 'id={id}&type={type}');
+
+$config->instance->actionList['stop']['icon'] = 'off';
+$config->instance->actionList['stop']['hint'] = $lang->instance->stop;
+$config->instance->actionList['stop']['url']  = array('module' => 'instance', 'method' => 'visit', 'params' => 'id={id}&type={type}');
+
+$config->instance->actionList['uninstall']['icon'] = 'trash';
+$config->instance->actionList['uninstall']['hint'] = $lang->instance->uninstall;
+$config->instance->actionList['uninstall']['url']  = array('module' => 'instance', 'method' => 'visit', 'params' => 'id={id}&type={type}');
+
+$config->instance->actionList['visit']['icon'] = 'menu-my';
+$config->instance->actionList['visit']['hint'] = $lang->instance->visit;
+$config->instance->actionList['visit']['url']  = array('module' => 'instance', 'method' => 'visit', 'params' => 'id={id}&type={type}');
+
+$config->instance->actionList['upgrade']['icon'] = 'refresh';
+$config->instance->actionList['upgrade']['hint'] = $lang->instance->upgrade;
+$config->instance->actionList['upgrade']['url']  = helper::createLink('instance', 'upgrade', "id={id}");
+
+$config->instance->actions = new stdclass();
+$config->instance->actions->view = array();
+$config->instance->actions->view['mainActions']   = array('start');
+$config->instance->actions->view['suffixActions'] = array('uninstall');
\ No newline at end of file
diff --git a/module/instance/control.php b/module/instance/control.php
index 374ba64a14..57a8a334c8 100644
--- a/module/instance/control.php
+++ b/module/instance/control.php
@@ -78,12 +78,9 @@ class instance extends control
         $dbList          = new stdclass;
         $currentResource = new stdclass;
         $customItems     = array();
-        if($tab == 'advance')
-        {
-            $dbList          = $this->cne->appDBList($instance);
-            $currentResource = $this->cne->getAppConfig($instance);
-            $customItems     = $this->cne->getCustomItems($instance);
-        }
+        $dbList          = $this->cne->appDBList($instance);
+        $currentResource = $this->cne->getAppConfig($instance);
+        $customItems     = $this->cne->getCustomItems($instance);
 
         $this->view->title           = $instance->appName;
         $this->view->instance        = $instance;
@@ -225,26 +222,42 @@ class instance extends control
      * @access public
      * @return void
      */
-    public function editName($id)
+    public function setting($id)
     {
-        $instance = $this->instance->getByID($id);
-
+        $currentResource = new stdclass;
+        $instance        = $this->instance->getByID($id);
+        $currentResource = $this->cne->getAppConfig($instance);
         if(!empty($_POST))
         {
             $newInstance = fixer::input('post')->trim('name')->get();
-            $this->instance->updateByID($id, $newInstance);
-            if(dao::isError())
+            $memoryKb    = $newInstance->memory_kb;
+            unset($newInstance->memory_kb);
+
+            if(intval($currentResource->max->memory / 1024) != $memoryKb)
             {
-                $this->action->create('instance', $instance->id, 'editname', '', json_encode(array('result' => array('result' => 'fail'), 'data' => array('oldName' => $instance->name, 'newName' => $newInstance->name))));
-                return $this->send(array('result' => 'fail', 'message' => dao::getError()));
+                /* Check free memory size is enough or not. */
+                $clusterResource = $this->cne->cneMetrics();
+                $freeMemory      = intval($clusterResource->metrics->memory->allocatable * 0.9); // Remain 10% memory for system.
+                if($memoryKb * 1024 > $freeMemory) $this->send(array('result' => 'fail', 'message' => $this->lang->instance->errors->notEnoughResource));
+    
+                /* Request CNE to adjust memory size. */
+                if(!$this->instance->updateMemorySize($instance, $memoryKb * 1024))
+                {
+                    $this->send(array('result' => 'fail', 'message' => dao::getError()));
+                }
             }
 
-            $this->action->create('instance', $instance->id, 'editname', '', json_encode(array('result' => array('result' => 'success'), 'data' => array('oldName' => $instance->name, 'newName' => $newInstance->name))));
-            return print(js::closeModal('parent.parent', 'this', "function(){parent.parent.location.reload();}"));
+            $this->instance->updateByID($id, $newInstance);
+            if(dao::isError())  return $this->send(array('result' => 'fail', 'message' => dao::getError()));
+            if($newInstance->name != $instance->name)
+            {
+                $this->action->create('instance', $instance->id, 'editname', '', json_encode(array('result' => array('result' => 'success'), 'data' => array('oldName' => $instance->name, 'newName' => $newInstance->name))));
+            }
+            return $this->send(array('result' => 'success', 'load' => true, 'closeModal' => true));
         }
 
-        $this->view->title    = $instance->name;
-        $this->view->instance = $instance;
+        $this->view->currentResource = $currentResource;
+        $this->view->instance        = $instance;
 
         $this->display();
     }
@@ -350,9 +363,9 @@ class instance extends control
             if($cloudApp->memory > $freeMemory)
             {
                 $this->view->cloudApp       = $cloudApp;
-                $this->view->gapMemory      = helper::formatKB(intval(($cloudApp->memory - $freeMemory) / 1024));
-                $this->view->requiredMemory = helper::formatKB(intval($cloudApp->memory / 1024));
-                $this->view->freeMemory     = helper::formatKB(intval($freeMemory / 1024));
+                $this->view->gapMemory      = helper::formatKB(intval(($cloudApp->memory - $freeMemory)));
+                $this->view->requiredMemory = helper::formatKB(intval($cloudApp->memory));
+                $this->view->freeMemory     = helper::formatKB(intval($freeMemory));
 
                 return $this->display('instance','resourceerror');
             }
diff --git a/module/instance/ui/setting.html.php b/module/instance/ui/setting.html.php
new file mode 100644
index 0000000000..0185e8f7ec
--- /dev/null
+++ b/module/instance/ui/setting.html.php
@@ -0,0 +1,41 @@
+<?php
+declare(strict_types=1);
+/**
+ * The setting view file of instance module of ZenTaoPMS.
+ *
+ * @copyright   Copyright 2009-2023 禅道软件（青岛）有限公司(ZenTao Software (Qingdao) Co., Ltd. www.zentao.net)
+ * @license     ZPL(https://zpl.pub/page/zplv12.html) or AGPL(https://www.gnu.org/licenses/agpl-3.0.en.html)
+ * @author      Ke Zhao<zhaoke@easycorp.ltd>
+ * @package     instance
+ * @link        https://www.zentao.net
+ */
+
+namespace zin;
+
+formPanel
+(
+    set::id('instanceSettingForm'),
+    set::title($lang->instance->setting),
+    formRow
+    (
+        formGroup
+        (
+            set::name('name'),
+            set::width('500px'),
+            set::label($lang->instance->name),
+            set::value($instance->name),
+        )
+    ),
+    formRow
+    (
+        formGroup
+        (
+            set::name('memory_kb'),
+            set::width('250px'),
+            set::control('picker'),
+            set::label($lang->instance->adjustMem),
+            set::value(intval($currentResource->max->memory / 1024)),
+            set::items($this->instance->filterMemOptions($currentResource)),
+        )
+    ),
+);