diff --git a/module/admin/lang/menu.php b/module/admin/lang/menu.php
index 0efd9685e1..9f4197f72a 100644
--- a/module/admin/lang/menu.php
+++ b/module/admin/lang/menu.php
@@ -184,7 +184,7 @@ $lang->admin->menuList->dev['menuOrder']['25'] = 'entry';
 
 //$lang->admin->menuList->platform['subMenu']['dashboard']   = array('link' => "{$lang->dashboard}|system|dashboard|");
 $lang->admin->menuList->platform['subMenu']['plat']        = array('link' => "{$lang->devops->platform}|system|browsebackup|", 'subModule' => 'system');
-$lang->admin->menuList->platform['subMenu']['environment'] = array('link' => "{$lang->devops->environment}|gitlab|browse|", 'subModule' => 'gitlab,jenkins,sonarqube,gitea,gogs', 'alias' => 'create,edit,import');
+//$lang->admin->menuList->platform['subMenu']['environment'] = array('link' => "{$lang->devops->environment}|gitlab|browse|", 'subModule' => 'gitlab,jenkins,sonarqube,gitea,gogs', 'alias' => 'create,edit,import');
 $lang->admin->menuList->platform['subMenu']['resource']    = array('link' => "{$lang->devops->resource}|host|browse|", 'subModule' => 'host,account,serverroom,ops,tree');
 $lang->admin->menuList->platform['subMenu']['setrules']    = array('link' => "{$lang->devops->rules}|repo|setrules|");
 
@@ -216,7 +216,7 @@ $lang->admin->menuList->platform['tabMenu']['menuOrder']['resource']['35'] = 'os
 
 //$lang->admin->menuList->platform['menuOrder']['5']  = 'dashboard';
 $lang->admin->menuList->platform['menuOrder']['10'] = 'plat';
-$lang->admin->menuList->platform['menuOrder']['15'] = 'environment';
+//$lang->admin->menuList->platform['menuOrder']['15'] = 'environment';
 $lang->admin->menuList->platform['menuOrder']['20'] = 'resource';
 $lang->admin->menuList->platform['menuOrder']['25'] = 'setrules';
 
diff --git a/module/instance/control.php b/module/instance/control.php
index 11b1ebecbc..97f1a669f1 100644
--- a/module/instance/control.php
+++ b/module/instance/control.php
@@ -241,7 +241,7 @@ class instance extends control
                 $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))
                 {
@@ -406,7 +406,7 @@ class instance extends control
         {
             $customData = fixer::input('post')
                 ->trim('customName')->setDefault('customName', '')
-                ->trim('customDomain')->setDefault('customDomain', null)
+                ->trim('customDomain')->setDefault('customDomain', '')
                 ->trim('version')->setDefault('version', '')
                 ->trim('dbType')->setDefault('dbType', 'unsharedDB')
                 ->trim('dbService')
diff --git a/module/space/control.php b/module/space/control.php
index fd97edac60..26ccf1c2a0 100644
--- a/module/space/control.php
+++ b/module/space/control.php
@@ -87,7 +87,28 @@ class space extends control
     {
         $this->app->loadLang('sonarqube');
         $this->app->loadLang('jenkins');
+        $this->loadModel('cne');
 
+        $pagedApps = $this->loadModel('store')->searchApps('', '', array(), 1, 10000);
+        $apps      = array();
+        foreach($pagedApps->apps as $app)
+        {
+            $apps[$app->id] = $app->alias;
+        }
+
+        $mysqlList = $this->cne->sharedDBList('mysql');
+        $pgList    = $this->cne->sharedDBList('postgresql');
+
+        $this->view->mysqlList = $mysqlList;
+        $this->view->pgList    = $pgList;
+        $this->view->apps      = $apps;
         $this->display();
     }
+
+    public function getStoreAppInfo($appID)
+    {
+        $cloudApp = $this->loadModel('store')->getAppInfo($appID);
+
+        return print(json_encode($cloudApp));
+    }
 }
diff --git a/module/space/js/createapplication.ui.js b/module/space/js/createapplication.ui.js
index f2c54136f7..194ba1ba49 100644
--- a/module/space/js/createapplication.ui.js
+++ b/module/space/js/createapplication.ui.js
@@ -1,6 +1,19 @@
 function onChangeType(event)
 {
     const type = $(event.target).val();
+
+    if(type == 'external')
+    {
+        $('.externalPanel').removeClass('hidden');
+        $('.storePanel').addClass('hidden');
+        $('#typeexternal').prop('checked', true);
+    }
+    else
+    {
+        $('.storePanel').removeClass('hidden');
+        $('.externalPanel').addClass('hidden');
+        $('#storetypestore').prop('checked', true);
+    }
 }
 
 function onChangeAppType(event)
@@ -56,3 +69,70 @@ function onChangeAppType(event)
             break;
     }
 }
+
+function onChangeAppType()
+{
+    var storeApp = $('[name=storeAppType]').val();
+    if(!storeApp)
+    {
+        for(id in apps)
+        {
+            storeApp = id;
+            break;
+        }
+    }
+    $('#createStoreAppForm').attr('action', $.createLink('instance', 'install', 'appID=' + storeApp));
+
+    toggleLoading('#app_version', true);
+    toggleLoading('#dbService', true);
+    $.get($.createLink('space', 'getStoreAppInfo', 'appID=' + storeApp), function(response)
+    {
+        var app = JSON.parse(response);
+
+        $('#app_version').val(app.app_version);
+        $('#version').val(app.version);
+        $('#customName').val(app.alias);
+        if((app.dependencies.mysql && mysqlList) || (app.dependencies.postgresql && pgList))
+        {
+            $('div.dbType').removeClass('hidden');
+            $('[name=dbService]').prop('disabled', false);
+
+            var dbServiceItems = [];
+            var dbService = (app.dependencies.mysql && mysqlList) ? mysqlList : pgList;
+            for(i in dbService)
+            {
+                dbServiceItems.push({'text': dbService[i].alias, 'value': dbService[i].name});
+            }
+            $('#dbService').zui('picker').render({items: dbServiceItems});
+        }
+        else
+        {
+            $('div.dbType').addClass('hidden');
+            $('[name=dbService]').prop('disabled', true);
+        }
+
+        toggleLoading('#app_version', false);
+        toggleLoading('#dbService', false);
+    });
+}
+
+function onChangeDbType(event)
+{
+    const dbType = $(event.target).val();
+    if(dbType == 'sharedDB')
+    {
+        $('#dbService').removeClass('hidden');
+        $('[name=dbService]').prop('disabled', false);
+    }
+    else
+    {
+        $('#dbService').addClass('hidden');
+        $('[name=dbService]').prop('disabled', true);
+    }
+}
+
+$(function()
+{
+    onChangeAppType();
+    $('div.dbService .form-label').removeClass('required');
+});
diff --git a/module/space/lang/zh-cn.php b/module/space/lang/zh-cn.php
index f20704de4f..3ecf410f58 100644
--- a/module/space/lang/zh-cn.php
+++ b/module/space/lang/zh-cn.php
@@ -10,6 +10,7 @@ $lang->space->createdBy      = '创建者';
 $lang->space->createdAt      = '创建时间';
 $lang->space->handConfig     = '手工配置';
 $lang->space->addType        = '添加方式';
+$lang->space->instanceType   = '实例类型';
 
 $lang->space->notice =  new stdclass;
 $lang->space->notice->toInstall = '请到应用市场安装';
diff --git a/module/space/ui/createapplication.html.php b/module/space/ui/createapplication.html.php
index 0018de1176..d481188ea3 100644
--- a/module/space/ui/createapplication.html.php
+++ b/module/space/ui/createapplication.html.php
@@ -16,9 +16,16 @@ jsVar('sonarqubeUrlTips', $lang->sonarqube->placeholder->url);
 jsVar('sonarqubeAccountTips', $lang->sonarqube->placeholder->account);
 jsVar('jenkinsTokenTips', $lang->jenkins->tokenFirst);
 jsVar('jenkinsPasswordTips', $lang->jenkins->tips);
+jsVar('apps', $apps);
+jsVar('mysqlList', $mysqlList);
+jsVar('pgList', $pgList);
+
+$dbTypeItems = array();
+foreach($lang->instance->dbTypes as $type => $db) $dbTypeItems[] = array('text' => $db, 'value' => $type);
 
 formPanel
 (
+    setClass('externalPanel'),
     set::id('createAppForm'),
     set::title($lang->space->install),
     set::url($this->createLink('gitlab', 'create')),
@@ -43,12 +50,14 @@ formPanel
     ),
     formGroup
     (
+        set::width('1/2'),
         set::label($lang->gitlab->name),
         set::name('name'),
         set::required(true),
     ),
     formGroup
     (
+        set::width('2/3'),
         set::label($lang->gitlab->url),
         set::name('url'),
         set::required(true),
@@ -59,6 +68,7 @@ formPanel
         setClass('jenkins sonarqube hidden'),
         formGroup
         (
+            set::width('1/2'),
             set::label($lang->user->account),
             set::name('account'),
             set::required(true),
@@ -69,6 +79,7 @@ formPanel
         setClass('token'),
         formGroup
         (
+            set::width('1/2'),
             set::label($lang->gitlab->token),
             set::name('token'),
             set::placeholder($lang->gitlab->placeholder->token),
@@ -80,11 +91,108 @@ formPanel
         setClass('jenkins sonarqube password hidden'),
         formGroup
         (
+            set::width('1/2'),
             set::label($lang->user->password),
             set::name('password'),
         ),
     ),
 );
 
+formPanel
+(
+    setClass('hidden storePanel'),
+    set::id('createStoreAppForm'),
+    set::title($lang->space->install),
+    formGroup
+    (
+        set::width('1/2'),
+        set::label($lang->app->common),
+        set::name('storeAppType'),
+        set::items($apps),
+        set::required(true),
+        on::change('onChangeAppType'),
+    ),
+    formGroup
+    (
+        set::label($lang->space->addType),
+        set::name('storetype'),
+        set::value('store'),
+        set::control('radioListInline'),
+        set::items(array(array('text' => $lang->store->common, 'value' => 'store'), array('text' => $lang->space->handConfig, 'value' => 'external'))),
+        set::required(true),
+        on::change('onChangeType'),
+    ),
+    formGroup
+    (
+        set::width('1/2'),
+        set::label($lang->instance->version),
+        set::name('app_version'),
+        set::readonly(true),
+        set::required(true),
+        input
+        (
+            set::type('hidden'),
+            set::name('version'),
+        )
+    ),
+    formRow
+    (
+        formGroup
+        (
+            set::width('1/2'),
+            set::label($lang->instance->domain),
+            set::required(true),
+            inputGroup
+            (
+                input
+                (
+                    setClass('form-control'),
+                    set::name('customDomain'),
+                ),
+                input
+                (
+                    set::type('hidden'),
+                    set::name('customName'),
+                ),
+                $this->cne->sysDomain(),
+            ),
+        ),
+    ),
+    formRow
+    (
+        setClass('dbType'),
+        formGroup
+        (
+            set::label($lang->instance->dbType),
+            set::control('radioListInline'),
+            set::name('dbType'),
+            set::items($dbTypeItems),
+            set::value('sharedDB'),
+            set::required(true),
+            on::change('onChangeDbType'),
+            h::a
+            (
+                setClass('leading-8 ml-4'),
+                set::href('https://www.qucheng.com/book/Installation-manual/app-install-33.html'),
+                set::target('_blank'),
+                $lang->instance->howToSelectDB
+            )
+        ),
+
+    ),
+    formRow
+    (
+        setClass('dbType dbService'),
+        formGroup
+        (
+            set::width('1/2'),
+            set::label($lang->space->instanceType),
+            set::name('dbService'),
+            set::items(array()),
+            set::required(true),
+        ),
+    ),
+);
+
 render();
 
diff --git a/module/system/control.php b/module/system/control.php
index 07122cfa11..6a81b12bbc 100644
--- a/module/system/control.php
+++ b/module/system/control.php
@@ -600,9 +600,6 @@ class system extends control
         }
         krsort($backups);
 
-        /* Fresh latest version of QuCheng platform in session.  */
-        $this->session->set('platformLatestVersion', $this->loadModel('store')->platformLatestVersion());
-
         $this->view->title      = $this->lang->backup->common;
         $this->view->position[] = $this->lang->backup->common;
         $this->view->backups    = $backups;
diff --git a/module/system/ui/browsebackup.html.php b/module/system/ui/browsebackup.html.php
index 82279024de..ab7cf43811 100644
--- a/module/system/ui/browsebackup.html.php
+++ b/module/system/ui/browsebackup.html.php
@@ -17,7 +17,7 @@ foreach($backups as $backup)
     $backup->type = $backup->sqlSummary['backupType'];
 }
 $backups = initTableData($backups, $config->system->dtable->backup->fieldList, $this->system);
-$backups = array();
+
 panel
 (
     set::size('lg'),