diff --git a/app/Http/Controllers/SetupController.php b/app/Http/Controllers/SetupController.php
index b3126635..6092fc67 100644
--- a/app/Http/Controllers/SetupController.php
+++ b/app/Http/Controllers/SetupController.php
@@ -52,7 +52,7 @@ class SetupController extends Controller
         try {
             $manager->connection('temp')->getPdo();
         } catch (\Exception $e) {
-            $msg = iconv('gbk', 'utf-8', $e->getMessage());
+            $msg = $e->getMessage();
             $type = Arr::get([
                 'mysql' => 'MySQL/MariaDB',
                 'sqlite' => 'SQLite',