diff --git a/config/config.php b/config/config.php
index 9cc796e468..e1df324fe9 100644
--- a/config/config.php
+++ b/config/config.php
@@ -40,6 +40,7 @@ $config->visions     = ',rnd,lite,or,';           // 支持的界面类型。
 /* ZIN 设置。 ZIN settings. */
 $config->zin         = new stdclass();
 $config->clientCache = true; // 启用客户端缓存。
+$config->morphUpdate = true; // 平滑更新。
 
 /* 支持的主题和语言。Supported themes and languages. */
 $config->themes['default'] = 'default';
diff --git a/lib/base/front/front.class.php b/lib/base/front/front.class.php
index 6f72aa7a53..25a5573595 100644
--- a/lib/base/front/front.class.php
+++ b/lib/base/front/front.class.php
@@ -1203,6 +1203,7 @@ EOT;
         $jsConfig->pingInterval   = $config->pingInterval ?? '';
         $jsConfig->onlybody       = zget($_GET, 'onlybody', 'no');
         $jsConfig->clientCache    = $config->clientCache;
+        $jsConfig->morphUpdate    = $config->morphUpdate;
         $jsConfig->account        = isset($app->user->account) ? $app->user->account : '';
         if($config->tabSession and helper::isWithTID()) $jsConfig->tid = zget($_GET, 'tid', '');
 
diff --git a/www/js/zui3/zin.js b/www/js/zui3/zin.js
index 071d4fd795..e38e6c11ee 100644
--- a/www/js/zui3/zin.js
+++ b/www/js/zui3/zin.js
@@ -387,7 +387,7 @@
     function renderWithHtml($target, html, selector, noMorph)
     {
         if(typeof selector === 'string') selector = parseSelector(selector);
-        if($target.hasClass('no-morph')) noMorph = true;
+        if(config.morphUpdate === false || $target.hasClass('no-morph')) noMorph = true;
         if(selector.inner)
         {
             if(noMorph)
@@ -539,7 +539,7 @@
         let cacheHit;
         const renderPageData = (data, onlyZinDebug) =>
         {
-            const renderOptions = $.extend({noMorph: !options.partial && options.isDiffPage}, options);
+            const renderOptions = $.extend({noMorph: config.morphUpdate && !options.partial && options.isDiffPage}, options);
             if(!onlyZinDebug) updatePerfInfo(options, 'renderBegin');
             renderPage(data.reduce((list, item, idx) =>
             {