ubuntu16.04 安装xdroid成功，应用中心刷新成功，但是应用下载一直显示“中断”，本地安装5分钟进度条为0.这是什么情况，卸载重装之后无变化，日志文件显示如下：
[xDroid][2020_10_08_18_47_47_074][Info] Start logging ...[xDroid][2020_10_08_18_47_47_106][Info] Update DNS info successfully.[xDroid][2020_10_08_18_47_47_887][Info] Mainwindow is initialized: xAppCenter.[xDroid][2020_10_08_18_47_57_132][Critical] Download: Failed to download! TLS initialization failed[xDroid][2020_10_08_18_48_28_834][Critical] Download: Failed to download! Operation canceled[xDroid][2020_10_08_18_48_35_941][Critical] Download: Failed to download! TLS initialization failed[xDroid][2020_10_08_18_48_50_808][Critical] Download: Failed to download! Operation canceled[xDroid][2020_10_08_18_48_58_730][Critical] Download: Failed to download! TLS initialization failed[xDroid][2020_10_08_18_49_01_324][Critical] Download: Failed to download! Operation canceled
图形驱动三种模式下都是如此