拔掉网线后再接入，musicbox无响应

[imxys]

Ubuntu 18.04.5 KDE 5.12.9 Python3.8

j，k，空格什么的都没反应了，日志报错如下：

215 ################################################################################
216 2021-06-09 21:11:36,191 - WARNING - NEMbox.osdlyrics:25: qtpy module not installed.
217 2021-06-09 21:11:36,191 - WARNING - NEMbox.osdlyrics:26: Osdlyrics Not Available.
218 2021-06-09 21:11:36,197 - WARNING - NEMbox.ui:33: Qt dbus module is not installed.
219 2021-06-09 21:11:36,197 - WARNING - NEMbox.ui:34: Osdlyrics is not available.
220 2021-06-09 21:12:07,655 - ERROR - NEMbox.ui:119: addstr() returned ERR
221 2021-06-09 21:12:07,655 - ERROR - NEMbox.ui:119: addstr() returned ERR
222 2021-06-09 21:12:07,655 - ERROR - NEMbox.ui:119: addstr() returned ERR
223 2021-06-09 21:12:07,790 - ERROR - NEMbox.ui:119: addstr() returned ERR
224 2021-06-09 21:12:07,791 - ERROR - NEMbox.ui:119: addstr() returned ERR
225 2021-06-09 21:12:07,792 - ERROR - NEMbox.ui:119: addstr() returned ERR
226 2021-06-09 21:12:07,872 - ERROR - NEMbox.ui:119: addstr() returned ERR
227 2021-06-09 21:12:07,873 - ERROR - NEMbox.ui:119: addstr() returned ERR
228 2021-06-09 21:12:07,873 - ERROR - NEMbox.ui:119: addstr() returned ERR
229 2021-06-09 21:12:07,974 - ERROR - NEMbox.ui:119: addstr() returned ERR                                                                                                                                                                   
230 2021-06-09 21:12:07,974 - ERROR - NEMbox.ui:119: addstr() returned ERR
231 2021-06-09 21:12:07,975 - ERROR - NEMbox.ui:119: addstr() returned ERR

感觉像哪里阻塞，没有设置超时时间