websocket在setting添加“open_websocket_close_frame”后 关闭websocket报错

[zengzhichao]

Q	A
Bug report?	yes
Feature request?	no
Swoft version	2.0.8 (by php bin/swoft -V)
Swoole version	4.4.14 (by php --ri swoole)
PHP version	7.3.0 (by php -v)
Runtime environment	Ubuntu

Describe the bug
在bean.php wsServer setting添加“'open_websocket_close_frame' => true”后 客户端主动关闭连接后报错

Screenshots

Details
错误信息：{"messages":"trace[WsMessageExceptionHandler.php:38] Ws server error(parse message error 'json_decode error: Syntax error At /mnt/hgfs/share/websocket/vendor/swoft/websocket-server/src/WsMessageDispatcher.php line 97)","context":[],"level":400,"level_name":"error","channel":"swoft","datetime":"2020-02-21 16:12:30","event":null,"tid":8,"cid":8,"traceid":"","spanid":"","parentid":""}

[inhere]

OK 我兼容下

[zengzhichao]

OK 我兼容下

好的 感谢