安装后注册出现问题

也是提示我出错了，然后其实是注册了的，我开了debug，提示如下：
`POST http://www.yemanshidai.com/register

Swift_TransportException: Connection could not be established with host smtp.163.com :stream_socket_client(): unable to connect to ssl://smtp.163.com:46 (No route to host) in file /www/wwwroot/yeman/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/StreamBuffer.php on line 269
Stack trace:

1. Swift_TransportException->() /www/wwwroot/yeman/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/StreamBuffer.php:269
2. Swift_Transport_StreamBuffer->{closure}() [internal]:0
3. stream_socket_client() /www/wwwroot/yeman/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/StreamBuffer.php:272
4. Swift_Transport_StreamBuffer->establishSocketConnection() /www/wwwroot/yeman/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/StreamBuffer.php:58
5. Swift_Transport_StreamBuffer->initialize() /www/wwwroot/yeman/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/AbstractSmtpTransport.php:143
6. Swift_Transport_AbstractSmtpTransport->start() /www/wwwroot/yeman/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mailer.php:65
7. Swift_Mailer->send() /www/wwwroot/yeman/vendor/illuminate/mail/Mailer.php:483
8. Illuminate\Mail\Mailer->sendSwiftMessage() /www/wwwroot/yeman/vendor/illuminate/mail/Mailer.php:259
9. Illuminate\Mail\Mailer->send() /www/wwwroot/yeman/vendor/illuminate/mail/Mailer.php:183
10. Illuminate\Mail\Mailer->raw() /www/wwwroot/yeman/vendor/flarum/core/src/Mail/Job/SendRawEmailJob.php:34
11. Flarum\Mail\Job\SendRawEmailJob->handle() /www/wwwroot/yeman/vendor/illuminate/container/BoundMethod.php:29
12. call_user_func_array() /www/wwwroot/yeman/vendor/illuminate/container/BoundMethod.php:29
13. Illuminate\Container\BoundMethod->Illuminate\Container{closure}() /www/wwwroot/yeman/vendor/illuminate/container/BoundMethod.php:87
14. Illuminate\Container\BoundMethod->callBoundMethod() /www/wwwroot/yeman/vendor/illuminate/container/BoundMethod.php:31
15. Illuminate\Container\BoundMethod->call() /www/wwwroot/yeman/vendor/illuminate/container/Container.php:572
16. Illuminate\Container\Container->call() /www/wwwroot/yeman/vendor/illuminate/bus/Dispatcher.php:94
17. Illuminate\Bus\Dispatcher->Illuminate\Bus{closure}() /www/wwwroot/yeman/vendor/illuminate/pipeline/Pipeline.php:128
18. Illuminate\Pipeline\Pipeline->Illuminate\Pipeline{closure}() /www/wwwroot/yeman/vendor/illuminate/pipeline/Pipeline.php:104
19. Illuminate\Pipeline\Pipeline->then() /www/wwwroot/yeman/vendor/illuminate/bus/Dispatcher.php:98
20. Illuminate\Bus\Dispatcher->dispatchNow() /www/wwwroot/yeman/vendor/illuminate/queue/CallQueuedHandler.php:49
21. Illuminate\Queue\CallQueuedHandler->call() /www/wwwroot/yeman/vendor/illuminate/queue/Jobs/Job.php:83
22. Illuminate\Queue\Jobs\Job->fire() /www/wwwroot/yeman/vendor/illuminate/queue/SyncQueue.php:42
23. Illuminate\Queue\SyncQueue->push() /www/wwwroot/yeman/vendor/flarum/core/src/User/AccountActivationMailer.php:68
24. Flarum\User\AccountActivationMailer->handle() /www/wwwroot/yeman/vendor/illuminate/events/Dispatcher.php:379
25. call_user_func_array() /www/wwwroot/yeman/vendor/illuminate/events/Dispatcher.php:379
26. Illuminate\Events\Dispatcher->Illuminate\Events{closure}() /www/wwwroot/yeman/vendor/illuminate/events/Dispatcher.php:209
27. Illuminate\Events\Dispatcher->dispatch() /www/wwwroot/yeman/vendor/flarum/core/src/Foundation/DispatchEventsTrait.php:33
28. Flarum\User\Command\RegisterUserHandler->dispatchEventsFor() /www/wwwroot/yeman/vendor/flarum/core/src/User/Command/RegisterUserHandler.php:114
29. Flarum\User\Command\RegisterUserHandler->handle() /www/wwwroot/yeman/vendor/illuminate/bus/Dispatcher.php:90
30. Illuminate\Bus\Dispatcher->Illuminate\Bus{closure}() /www/wwwroot/yeman/vendor/illuminate/pipeline/Pipeline.php:128
31. Illuminate\Pipeline\Pipeline->Illuminate\Pipeline{closure}() /www/wwwroot/yeman/vendor/illuminate/pipeline/Pipeline.php:104
32. Illuminate\Pipeline\Pipeline->then() /www/wwwroot/yeman/vendor/illuminate/bus/Dispatcher.php:98
33. Illuminate\Bus\Dispatcher->dispatchNow() /www/wwwroot/yeman/vendor/illuminate/bus/Dispatcher.php:76
34. Illuminate\Bus\Dispatcher->dispatch() /www/wwwroot/yeman/vendor/flarum/core/src/Api/Controller/CreateUserController.php:45
35. Flarum\Api\Controller\CreateUserController->data() /www/wwwroot/yeman/vendor/flarum/core/src/Api/Controller/AbstractSerializeController.php:96
36. Flarum\Api\Controller\AbstractSerializeController->handle() /www/wwwroot/yeman/vendor/flarum/core/src/Api/Controller/AbstractCreateController.php:22
37. Flarum\Api\Controller\AbstractCreateController->handle() /www/wwwroot/yeman/vendor/flarum/core/src/Api/Client.php:72
38. Flarum\Api\Client->send() /www/wwwroot/yeman/vendor/flarum/core/src/Forum/Controller/RegisterController.php:58
39. Flarum\Forum\Controller\RegisterController->handle() /www/wwwroot/yeman/vendor/flarum/core/src/Http/RouteHandlerFactory.php:38
40. Flarum\Http\RouteHandlerFactory->Flarum\Http{closure}() /www/wwwroot/yeman/vendor/flarum/core/src/Http/Middleware/DispatchRoute.php:65
41. Flarum\Http\Middleware\DispatchRoute->process() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/Next.php:61
42. Laminas\Stratigility\Next->handle() /www/wwwroot/yeman/vendor/flarum/core/src/Http/Middleware/ShareErrorsFromSession.php:57
43. Flarum\Http\Middleware\ShareErrorsFromSession->process() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/Next.php:61
44. Laminas\Stratigility\Next->handle() /www/wwwroot/yeman/vendor/flarum/core/src/Http/Middleware/SetLocale.php:50
45. Flarum\Http\Middleware\SetLocale->process() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/Next.php:61
46. Laminas\Stratigility\Next->handle() /www/wwwroot/yeman/vendor/flarum/core/src/Http/Middleware/CheckCsrfToken.php:45
47. Flarum\Http\Middleware\CheckCsrfToken->process() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/Next.php:61
48. Laminas\Stratigility\Next->handle() /www/wwwroot/yeman/vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php:32
49. Flarum\Http\Middleware\AuthenticateWithSession->process() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/Next.php:61
50. Laminas\Stratigility\Next->handle() /www/wwwroot/yeman/vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php:51
51. Flarum\Http\Middleware\RememberFromCookie->process() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/Next.php:61
52. Laminas\Stratigility\Next->handle() /www/wwwroot/yeman/vendor/flarum/core/src/Http/Middleware/StartSession.php:61
53. Flarum\Http\Middleware\StartSession->process() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/Next.php:61
54. Laminas\Stratigility\Next->handle() /www/wwwroot/yeman/vendor/flarum/core/src/Http/Middleware/CollectGarbage.php:46
55. Flarum\Http\Middleware\CollectGarbage->process() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/Next.php:61
56. Laminas\Stratigility\Next->handle() /www/wwwroot/yeman/vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php:28
57. Flarum\Http\Middleware\ParseJsonBody->process() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/Next.php:61
58. Laminas\Stratigility\Next->handle() /www/wwwroot/yeman/vendor/flarum/core/src/Http/Middleware/HandleErrors.php:57
59. Flarum\Http\Middleware\HandleErrors->process() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/Next.php:61
60. Laminas\Stratigility\Next->handle() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php:84
61. Laminas\Stratigility\MiddlewarePipe->process() /www/wwwroot/yeman/vendor/middlewares/request-handler/src/RequestHandler.php:84
62. Middlewares\RequestHandler->process() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/Next.php:61
63. Laminas\Stratigility\Next->handle() /www/wwwroot/yeman/vendor/middlewares/base-path-router/src/BasePathRouter.php:97
64. Middlewares\BasePathRouter->process() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/Next.php:61
65. Laminas\Stratigility\Next->handle() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/Middleware/OriginalMessages.php:42
66. Laminas\Stratigility\Middleware\OriginalMessages->process() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/Next.php:61
67. Laminas\Stratigility\Next->handle() /www/wwwroot/yeman/vendor/middlewares/base-path/src/BasePath.php:53
68. Middlewares\BasePath->process() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/Next.php:61
69. Laminas\Stratigility\Next->handle() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php:84
70. Laminas\Stratigility\MiddlewarePipe->process() /www/wwwroot/yeman/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php:73
71. Laminas\Stratigility\MiddlewarePipe->handle() /www/wwwroot/yeman/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php:96
72. Laminas\HttpHandlerRunner\RequestHandlerRunner->run() /www/wwwroot/yeman/vendor/flarum/core/src/Http/Server.php:42
73. Flarum\Http\Server->listen() /www/wwwroot/yeman/public/index.php:26
    `

yannis 我能再问下，有更改昵称的插件吗？不是用户名，是昵称