From 8f2ea53f7d6f22f696759f13ebf55c20d05df7ad Mon Sep 17 00:00:00 2001
From: liugang <liugang@chandao.com>
Date: Thu, 20 Nov 2025 17:41:49 +0800
Subject: [PATCH] * [refac] Enhanced config.php to properly validate and set
 MySQL charset encoding and collation.

---
 config/config.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/config/config.php b/config/config.php
index bfc9658189..204aed9a25 100644
--- a/config/config.php
+++ b/config/config.php
@@ -273,4 +273,9 @@ else
     unset($config->ipdVersion);
 }
 
-if($config->db->driver == 'mysql' && $config->db->encoding != 'utf8mb4') $config->db->encoding = 'utf8mb4';
+if($config->db->driver == 'mysql')
+{
+    if($config->db->encoding != 'utf8mb4')              $config->db->encoding  = 'utf8mb4';
+    if(empty($config->db->collation))                   $config->db->collation = 'utf8mb4_general_ci';
+    if(strpos($config->db->collation, 'utf8mb4') !== 0) $config->db->collation = 'utf8mb4_general_ci';
+}