Make sure you read Issues Guideline and answer these questions before submitting your issue. Thanks!
(Any non-English issues will be closed immediately.)

1. Please provide your PHP and Swoole version. (php -v and php --ri swoole)

php 7.2

swoole

Swoole => enabled
Author => Swoole Team <[email protected]>
Version => 4.4.16
Built => Mar 31 2020 11:49:18
coroutine => enabled
epoll => enabled
eventfd => enabled
signalfd => enabled
cpu_affinity => enabled
spinlock => enabled
rwlock => enabled
pcre => enabled
zlib => 1.2.8
mutex_timedlock => enabled
pthread_barrier => enabled
futex => enabled
async_redis => enabled

Directive => Local Value => Master Value
swoole.enable_coroutine => On => On
swoole.enable_library => On => On
swoole.enable_preemptive_scheduler => Off => Off
swoole.display_errors => On => On
swoole.use_shortname => On => On
swoole.unixsock_buffer_size => 8388608 => 8388608

2. Please provide your Laravel/Lumen version.

laravel 6

3. Which release version of this package are you using?
   2.6

4. What did you do? If possible, provide a recipe for reproducing the error.
   after i connect websocket connection is disconnected after little second

5. What did you expect to see?

connected and when i disconnected to websocket i see disconnected

6. What did you see instead?
   connected
   disconnected
   swoole_http.log
   [2020-05-12 11:37:45 *11850.2] NOTICE swFactoryProcess_end (ERRNO 1003): The connection[1] is closing [2020-05-12 11:39:04 *11850.2] NOTICE swFactoryProcess_end (ERRNO 1003): The connection[2] is closing [2020-05-12 11:42:51 *12494.2] NOTICE swFactoryProcess_end (ERRNO 1003): The connection[1] is closing