diff --git a/module/install/control.php b/module/install/control.php
index 7e2584b02a..1a45677c4d 100644
--- a/module/install/control.php
+++ b/module/install/control.php
@@ -99,10 +99,6 @@ class install extends control
         $this->view->dataRootResult = $this->installZen->checkDataRoot();
         $this->view->iniInfo        = $this->install->getIniInfo();
 
-        $this->loadModel('bi');
-        $checkDuckdb    = $this->bi->checkDuckdbInstall();
-        $this->view->duckdbResult = $checkDuckdb['ok'] ? 'ok' : 'fail';
-
         $checkSession = ini_get('session.save_handler') == 'files';
         $this->view->sessionResult = 'ok';
         $this->view->checkSession  = $checkSession;
diff --git a/module/install/model.php b/module/install/model.php
index 0f225d03d6..753689331b 100644
--- a/module/install/model.php
+++ b/module/install/model.php
@@ -415,14 +415,6 @@ class installModel extends model
             die;
         }
 
-        /* Generate parquet file. */
-        $result = $this->bi->generateParquetFile();
-        if($result !== true)
-        {
-            a($result);
-            die;
-        }
-
         return true;
     }
 
diff --git a/module/install/ui/step1.html.php b/module/install/ui/step1.html.php
index ee0976dd83..0b6326a533 100644
--- a/module/install/ui/step1.html.php
+++ b/module/install/ui/step1.html.php
@@ -65,32 +65,6 @@ foreach($dirItems as $dirItem)
     );
 }
 
-/* Check duckdb bin. */
-$checkTrs[] = h::tr
-(
-    h::th($lang->install->duckdb),
-    h::td($duckdbResult == 'ok' ? $lang->install->loaded : $lang->install->unloaded),
-    h::td
-    (
-        setClass('duckdbResult text-white' . ($duckdbResult == 'ok' ? ' bg-success' : ' bg-danger')),
-        $lang->install->{$duckdbResult}
-    ),
-    h::td
-    (
-        setClass('text-left'),
-        $duckdbResult == 'fail' ? modalTrigger
-        (
-            btn
-            (
-                set::size('sm'),
-                set::type('primary'),
-                $lang->install->installDuckdb
-            ),
-            set::url(createLink('install', 'installDuckdb')),
-        ) : null
-    )
-);
-
 div
 (
     setID('main'),
@@ -166,7 +140,7 @@ div
                 && $tmpRootResult == 'ok' && $dataRootResult == 'ok' && $sessionResult  == 'ok'
                 && $jsonResult    == 'ok' && $opensslResult  == 'ok' && $mbstringResult == 'ok'
                 && $zlibResult    == 'ok' && $curlResult     == 'ok' && $filterResult   == 'ok'
-                && $iconvResult   == 'ok' && $duckdbResult   == 'ok' ? btn
+                && $iconvResult   == 'ok' ? btn
                 (
                     setClass('px-6 mx-4'),
                     set::url(inlink('step2')),
diff --git a/module/upgrade/control.php b/module/upgrade/control.php
index 315487a17e..3a3cf6827b 100644
--- a/module/upgrade/control.php
+++ b/module/upgrade/control.php
@@ -163,21 +163,6 @@ class upgrade extends control
             return $this->display();
         }
 
-        /* 检查 Duckdb 引擎是否正确安装。*/
-        /* Check Duckdb is installed. */
-        $checkDuckdb = $this->loadModel('bi')->checkDuckdbInstall();
-        if($checkDuckdb['fail'])
-        {
-            $this->app->loadLang('install');
-            $this->view->result    = 'duckdbFail';
-            $this->view->duckdb    = 'loading';
-            $this->view->ext_dm    = 'loading';
-            $this->view->ext_mysql = 'loading';
-
-            return $this->display();
-        }
-
-
         $rawFromVersion = isset($_POST['fromVersion']) ? $this->post->fromVersion : $fromVersion;
         if(strpos($fromVersion, 'lite') !== false) $rawFromVersion = $this->config->upgrade->liteVersion[$fromVersion];
 
diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index fda9779c70..a051b72177 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -9107,14 +9107,6 @@ class upgradeModel extends model
             die;
         }
 
-        /* Generate parquet file. */
-        $result = $this->bi->generateParquetFile();
-        if($result !== true)
-        {
-            a($result);
-            die;
-        }
-
         return true;
     }
 
diff --git a/module/upgrade/ui/execute.html.php b/module/upgrade/ui/execute.html.php
index d164356322..82dadf7623 100644
--- a/module/upgrade/ui/execute.html.php
+++ b/module/upgrade/ui/execute.html.php
@@ -11,15 +11,6 @@ declare(strict_types=1);
 namespace zin;
 
 set::zui(true);
-jsVar('result', $result);
-
-if($result == 'duckdbFail')
-{
-    jsVar('duckdb',    $duckdb);
-    jsVar('ext_dm',    $ext_dm);
-    jsVar('ext_mysql', $ext_mysql);
-    include $this->app->getBasePath() . "module/install/ui/installduckdb.html.php";
-}
 
 div
 (
@@ -54,11 +45,6 @@ div
                     implode("\n", $errors)
                 )
             ) : null,
-            $result == 'duckdbFail' ? div
-            (
-                setID('duckdbInfo'),
-                setClass('h-auto')
-            ) : null,
             form
             (
                 on::click('button[type=submit]', "submitConfirm"),
@@ -70,7 +56,6 @@ div
                 (
                     setClass('mt-4'),
                     $result == 'sqlFail' ? $lang->upgrade->afterExec : null,
-                    $result == 'duckdbFail' ? span(setClass('after-duckdb'), $lang->upgrade->afterDuckdb) : null,
                     $result == 'fail' ? $lang->upgrade->afterDeleted : null,
                     btn
                     (