GatewayWorker中globaldata经常报Connection refused

使用GlobalData经常报Connection refused，重启一下又能正常一下，但是过不了多久又会出现这个问题。
而且，不 知道怎么回事，即使我重启后，在频繁的调用Events.php下在的onClose回调

Warning: stream_socket_client(): unable to connect to tcp://127.0.0.1:2207 (Connection refused) in /data/scripts/kefu/zhicloud_tasks_service_online/vendor/workerman/globaldata/src/Client.php on line 66
Exception: Connection refused in /data/scripts/kefu/zhicloud_tasks_service_online/vendor/workerman/globaldata/src/Client.php:69
Stack trace:
#0 /data/scripts/kefu/zhicloud_tasks_service_online/vendor/workerman/globaldata/src/Client.php(138): GlobalData\Client->getConnection('uidSimpleList')
#1 /data/scripts/kefu/zhicloud_tasks_service_online/application/zcwebchat/Events.php(349): GlobalData\Client->__get('uidSimpleList')
#2 [internal function]: Events::onClose('7f0000010fa0000...')
#3 /data/scripts/kefu/zhicloud_tasks_service_online/vendor/workerman/gateway-worker/src/BusinessWorker.php(410): call_user_func('Events::onClose', '7f0000010fa0000...')
#4 /data/scripts/kefu/zhicloud_tasks_service_online/vendor/workerman/workerman/Connection/TcpConnection.php(660): GatewayWorker\BusinessWorker->onGatewayMessage(Object(Workerman\Connection\AsyncTcpConnection), Array)
#5 /data/scripts/kefu/zhicloud_tasks_service_online/vendor/workerman/workerman/Events/Select.php(293): Workerman\Connection\TcpConnection->baseRead(Resource id #54)
#6 /data/scripts/kefu/zhicloud_tasks_service_online/vendor/workerman/workerman/Worker.php(2408): Workerman\Events\Select->loop()
#7 /data/scripts/kefu/zhicloud_tasks_service_online/vendor/workerman/gateway-worker/src/BusinessWorker.php(197): Workerman\Worker->run()
#8 /data/scripts/kefu/zhicloud_tasks_service_online/vendor/workerman/workerman/Worker.php(1541): GatewayWorker\BusinessWorker->run()
#9 /data/scripts/kefu/zhicloud_tasks_service_online/vendor/workerman/workerman/Worker.php(1371): Workerman\Worker::forkOneWorkerForLinux(Object(GatewayWorker\BusinessWorker))
#10 /data/scripts/kefu/zhicloud_tasks_service_online/vendor/workerman/workerman/Worker.php(1345): Workerman\Worker::forkWorkersForLinux()
#11 /data/scripts/kefu/zhicloud_tasks_service_online/vendor/workerman/workerman/Worker.php(546): Workerman\Worker::forkWorkers()
#12 /data/scripts/kefu/zhicloud_tasks_service_online/start.php(19): Workerman\Worker::runAll()
#13 {main}
Worker[88391] process terminated
worker[ZYWebChatBusinessWorker:88391] exit with status 64000

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