From fbbc060ed0fe7e4baedaead02d5ad9bfb2bae05b Mon Sep 17 00:00:00 2001
From: wangyuting <wangyuting@easycorp.ltd>
Date: Mon, 17 Jun 2024 18:16:01 +0800
Subject: [PATCH] * [misc] Fix errors during installation.

---
 framework/router.class.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/framework/router.class.php b/framework/router.class.php
index ff5c26ccec..49fbdd8e39 100755
--- a/framework/router.class.php
+++ b/framework/router.class.php
@@ -217,7 +217,8 @@ class router extends baseRouter
      */
     public function mergeFlowLang()
     {
-        if(defined('IN_UPGRADE')) return;
+        if(!$this->dbh || empty($this->config->db->name)) return;
+        if($this->installing || $this->upgrading)         return;
 
         $flows = $this->dbQuery('SELECT * FROM ' . TABLE_WORKFLOW . " WHERE `buildin` = 0 AND `vision` = '{$this->config->vision}' AND status = 'normal' AND type = 'flow' AND `navigator` = 'primary'")->fetchAll();
         foreach($flows as $flow) $this->lang->mainNav->{$flow->module} = "{$this->lang->navIcons['workflow']} {$flow->name}|{$flow->module}|browse|";