diff --git a/config/mail.php b/config/mail.php
index 505d35d..92f30b7 100644
--- a/config/mail.php
+++ b/config/mail.php
@@ -35,13 +35,15 @@ return [
 
     'mailers' => [
         'smtp' => [
-            'transport' => 'smtp',
-            'url' => null, 
-            'host' => env('MAIL_HOST', 'smtp.exmail.qq.com')
-            'port' => env('MAIL_PORT', 465),
-            'encryption' => env('MAIL_ENCRYPTION', 'ssl'),
-            'username' => env('MAIL_USERNAME'),
-            'password' => env('MAIL_PASSWORD'),
+            transport' => 'smtp',
+    'url' => null,
+    'host' => env('MAIL_HOST', 'smtp.exmail.qq.com'),
+    'port' => (int) env('MAIL_PORT', 465),
+    'encryption' => env('MAIL_ENCRYPTION', 'ssl'),
+    'username' => env('MAIL_USERNAME'),
+    'password' => env('MAIL_PASSWORD'),
+    'timeout' => null,
+    'local_domain' => env('MAIL_EHLO_DOMAIN'),
         ],
 
         'ses' => [