diff --git a/config/mail.php b/config/mail.php
index 92f30b7..df6df69 100644
--- a/config/mail.php
+++ b/config/mail.php
@@ -35,7 +35,7 @@ return [
 
     'mailers' => [
         'smtp' => [
-            transport' => 'smtp',
+            'transport' => 'smtp',
     'url' => null,
     'host' => env('MAIL_HOST', 'smtp.exmail.qq.com'),
     'port' => (int) env('MAIL_PORT', 465),