刚接触，安装了workerman-chat，但是服务端跑起来报错

centos,nginx,php环境下，代码都没做改动，直接上传，然后执行

php /data/chat/start.php start



Workerman start in DEBUG mode

PHP Warning:  stream_socket_server() has been disabled for security reasons in /data/chat/Workerman/Worker.php on line 1288



Warning: stream_socket_server() has been disabled for security reasons in /data/chat/Workerman/Worker.php on line 1288

PHP Fatal error:  Uncaught exception 'Exception' in /data/chat/Workerman/Worker.php:1291

Stack trace:

#0 /data/chat/Workerman/Worker.php(429): Workerman\Worker->listen()

#1 /data/chat/Workerman/Worker.php(342): Workerman\Worker::initWorkers()

#2 /data/chat/start.php(37): Workerman\Worker::runAll()

#3 {main}

  thrown in /data/chat/Workerman/Worker.php on line 1291



Fatal error: Uncaught exception 'Exception' in /data/chat/Workerman/Worker.php:1291

Stack trace:

#0 /data/chat/Workerman/Worker.php(429): Workerman\Worker->listen()

#1 /data/chat/Workerman/Worker.php(342): Workerman\Worker::initWorkers()

#2 /data/chat/start.php(37): Workerman\Worker::runAll()

#3 {main}

  thrown in /data/chat/Workerman/Worker.php on line 1291