Use sync as default queue driver

.env.example

@@ -66,7 +66,7 @@ MAIL_ENCRYPTION = null
 # Change below lines only if you know what they mean!
 CACHE_DRIVER = file
 SESSION_DRIVER = file
-QUEUE_DRIVER = database
+QUEUE_DRIVER = sync
 
 REDIS_HOST = 127.0.0.1
 REDIS_PASSWORD = null

config/queue.php

@@ -15,7 +15,7 @@ return [
     |
     */
 
-    'default' => env('QUEUE_DRIVER', 'database'),
+    'default' => env('QUEUE_DRIVER', 'sync'),
 
     /*
     |--------------------------------------------------------------------------

database/update_scripts/update-4.3.6-to-4.3.7.php

@@ -4,7 +4,4 @@ return [
     '请您手动打开终端或 PowerShell 执行以下命令以完成升级：',
     'Please open terminal or PowerShell to complete upgrade:',
     '<code>php artisan migrate --force</code>',
-    '',
-    '然后修改 .env 文件，将 <code>QUEUE_DRIVER</code> 的值改为 <code>database</code>。（使用 Redis 的用户请修改为 <code>redis</code>）',
-    'Then, please edit your ".env" file. Change the value of <code>QUEUE_DRIVER</code> from <code>sync</code> to <code>database</code>. Redis users please change it to <code>redis</code>.',
 ];