diff --git a/app/Controllers/Bag.php b/app/Controllers/Bag.php
index 98de080..662d676 100644
--- a/app/Controllers/Bag.php
+++ b/app/Controllers/Bag.php
@@ -343,7 +343,13 @@ class Bag extends BaseController
         if ($this->request->getGet('db_diag') === '1') {
             $dbDiag = [
                 'lg_idx'            => $lgIdx,
+                'cfg_host'          => null,
+                'cfg_port'          => null,
+                'cfg_user'          => null,
                 'db_name'           => null,
+                'mysql_host'        => null,
+                'mysql_port'        => null,
+                'mysql_version'     => null,
                 'packaging_unit'    => null,
                 'code_kind'         => null,
                 'code_detail'       => null,
@@ -351,7 +357,20 @@ class Bag extends BaseController
             ];
             try {
                 $db = db_connect();
+                $cfg = config('Database')->default ?? [];
+                $dbDiag['cfg_host'] = $cfg['hostname'] ?? null;
+                $dbDiag['cfg_port'] = isset($cfg['port']) ? (string) $cfg['port'] : null;
+                $dbDiag['cfg_user'] = $cfg['username'] ?? null;
                 $dbDiag['db_name'] = $db->database;
+                $meta = $db->query('SELECT @@hostname AS mysql_host, @@port AS mysql_port, @@version AS mysql_version, DATABASE() AS db_name')->getRowArray();
+                if (is_array($meta)) {
+                    $dbDiag['mysql_host'] = $meta['mysql_host'] ?? null;
+                    $dbDiag['mysql_port'] = isset($meta['mysql_port']) ? (string) $meta['mysql_port'] : null;
+                    $dbDiag['mysql_version'] = $meta['mysql_version'] ?? null;
+                    if (! empty($meta['db_name'])) {
+                        $dbDiag['db_name'] = (string) $meta['db_name'];
+                    }
+                }
                 $dbDiag['packaging_unit'] = (int) $db->table('packaging_unit')->where('pu_lg_idx', (int) $lgIdx)->countAllResults();
                 $dbDiag['code_kind'] = (int) $db->table('code_kind')->countAllResults();
                 $dbDiag['code_detail'] = (int) $db->table('code_detail')->countAllResults();
diff --git a/app/Views/bag/packaging_units.php b/app/Views/bag/packaging_units.php
index 1a485f1..9772580 100644
--- a/app/Views/bag/packaging_units.php
+++ b/app/Views/bag/packaging_units.php
@@ -3,7 +3,13 @@
   <section class="rounded border border-amber-300 bg-amber-50 px-3 py-2 text-xs text-amber-900">
     <div class="font-semibold mb-1">DB 진단 모드</div>
     <div>lg_idx: <?= esc((string) ($dbDiag['lg_idx'] ?? 'null')) ?></div>
+    <div>cfg_host: <?= esc((string) ($dbDiag['cfg_host'] ?? '')) ?></div>
+    <div>cfg_port: <?= esc((string) ($dbDiag['cfg_port'] ?? '')) ?></div>
+    <div>cfg_user: <?= esc((string) ($dbDiag['cfg_user'] ?? '')) ?></div>
     <div>database: <?= esc((string) ($dbDiag['db_name'] ?? '')) ?></div>
+    <div>mysql_host(@@hostname): <?= esc((string) ($dbDiag['mysql_host'] ?? '')) ?></div>
+    <div>mysql_port(@@port): <?= esc((string) ($dbDiag['mysql_port'] ?? '')) ?></div>
+    <div>mysql_version(@@version): <?= esc((string) ($dbDiag['mysql_version'] ?? '')) ?></div>
     <div>packaging_unit(현재 lg): <?= esc((string) ($dbDiag['packaging_unit'] ?? 'null')) ?></div>
     <div>code_kind: <?= esc((string) ($dbDiag['code_kind'] ?? 'null')) ?></div>
     <div>code_detail: <?= esc((string) ($dbDiag['code_detail'] ?? 'null')) ?></div>