diff --git a/module/index/css/index2.ui.css b/module/index/css/index2.ui.css
index 41173bc0b4..efeceecc66 100644
--- a/module/index/css/index2.ui.css
+++ b/module/index/css/index2.ui.css
@@ -33,9 +33,9 @@
 #appsToolbar > .btn {color: inherit}
 #appsToolbar > .btn-zentao > .icon {color: var(--color-primary-400)}
 
-.app-container {position: absolute; left: 0; top: 0; right: 0; bottom: 0; overflow: hidden; transition: left .2s;}
+.app-container {position: absolute; left: 0; top: 0; right: 0; bottom: 0; overflow: hidden; transition-duration: .3s; background: var(--zt-page-bg) linear-gradient(180deg, var(--zt-header-bg) 0, var(--zt-header-bg) 48px, rgba(255,0,0,0) 48px) no-repeat;}
 .app-container.loading:before {background-color: rgba(0,0,0,.1);}
-.app-container.loading:before, .app-container.loading::after {transition-delay: 3s;}
+.app-container.loading:before, .ap p-container.loading::after {transition-delay: 3s;}
 .app-container.loading.open-from-hidden {transition-delay: 0s;}
 .app-container.loading.open-from-hidden > iframe {opacity: 0;}
-.app-container > iframe {width: 100%; height: 100%}
+.app-container > iframe {width: 100%; height: 100%; background: inherit;}
diff --git a/module/index/js/app.ui.js b/module/index/js/app.ui.js
index cc8214015a..7d567cfba6 100644
--- a/module/index/js/app.ui.js
+++ b/module/index/js/app.ui.js
@@ -3,12 +3,26 @@ const currentAppCode = window.name.substring(4);
 let currentAppUrl = defaultUrl;
 $.apps = $.extend({currentCode: currentAppCode}, parent.window.$.apps);
 
-function activeNavbar(activeID)
+const renderMap =
 {
-    const $active = $('#navbar .nav-item>a.active');
+    body:          (data) => $('body').html(data),
+    title:         (data) => document.title = data,
+    'main':        (data) => $('#main').html(data),
+    'featureBar':  (data) => $('#featureBar').html(data),
+    'pageCSS':     (data) => $('#pageCSS').html(data),
+    'configJS':    (data) => $('#configJS')[0].text = data,
+    'pageJS':      (data) => $('#pageJS').replaceWith(data),
+    activeFeature: (data) => activeNav(data, '#featureBar'),
+    activeMenu:    activeNav,
+};
+
+function activeNav(activeID, nav)
+{
+    const $nav    = $(nav || '#navbar');
+    const $active = $nav.find('.nav-item>a.active');
     if($active.data('id') === activeID) return;
     $active.removeClass('active');
-    $('#navbar .nav-item>a[data-id="' + activeID + '"]').addClass('active');
+    $nav.find('.nav-item>a[data-id="' + activeID + '"]').addClass('active');
 }
 
 function renderPage(list)
@@ -16,15 +30,8 @@ function renderPage(list)
     if(debug) console.log('[APP] ', 'render:', list);
     list.forEach((item) =>
     {
-        const name = item.name;
-        const data = item.data;
-        if(name === 'body')            $('body').html(data);
-        else if(name === 'title')      {document.title = data;}
-        else if(name === '#main')      $('#main').html(data);
-        else if(name === '#pageCSS')   $('#pageCSS').html(data);
-        else if(name === '#configJS')  $('#configJS')[0].text = data;
-        else if(name === '#pageJS')    $('#pageJS').replaceWith(data);
-        else if(name === 'activeMenu') activeNavbar(data);
+        const render = renderMap[item.name];
+        if(render) render(item.data);
     });
     $.apps.updateApp(currentAppCode, currentAppUrl, document.title);
 }
@@ -34,38 +41,48 @@ function loadTable(id)
 
 }
 
-window.loadPage = function loadPage(url, callback)
+window.fetchZinData = function fetchZinData(url, selector, options)
 {
-    url = url || defaultUrl;
-    if(debug) console.log('[APP] ', 'load:', url);
-    const selector = $('#main').length ? '#main>*,#pageCSS>*,#pageJS,#configJS>*,title>*,activeMenu()' : 'body>*,title>*';
+    options = typeof options === 'function' ? {success: options} : (options || {});
+
+    const target  = options.target || 'body';
+    const zinOptions = options.zinOptions;
     $.ajax(
     {
         url:      url,
         dataType: 'json',
-        headers:  {'X-ZIN-Options': JSON.stringify({selector: selector, type: 'list'})},
-        beforeSend: () =>
-        {
-            $('body').addClass('page-loading');
-        },
+        headers:  {'X-ZIN-Options': JSON.stringify($.extend({selector: selector, type: 'list'}, zinOptions))},
+        beforeSend: () => $(target).addClass('loading'),
         success: (data) =>
         {
-            currentAppUrl = url;
+            if(options.updateUrl !== false) currentAppUrl = url;
             renderPage(data);
-            // $(selector).html(data);
-            if(callback) callback(data);
+            $(document).trigger('pagerender.app');
+            if(options.success) options.success(data);
         },
-        error: () =>
+        error: (e) =>
         {
-            zui.Messager.show('ZIN: Load page failed from ' + url);
+            zui.Messager.show('ZIN: Fetch data failed from ' + url);
+            if(options.error) options.error(data);
         },
         complete: () =>
         {
-            $('body').removeClass('page-loading');
+            $(target).removeClass('loading');
+            if(options.complete) options.complete();
+            $(document).trigger('pageload.app');
         }
     });
 }
 
+
+window.loadPage = function loadPage(url)
+{
+    url = url || defaultUrl;
+    if(debug) console.log('[APP] ', 'load:', url);
+    const selector = $('#main').length ? '#main>*,#pageCSS>*,#pageJS,#configJS>*,title>*,activeMenu()' : 'body>*,title>*';
+    fetchZinData(url, selector);
+}
+
 function openPage(url)
 {
     if(debug) console.log('[APP] ', 'open:', url);