定时发送：到点将拟好的消息以正常用户气泡发送到绑定的会话。调度在服务端执行，关闭浏览器不影响发送；会话隔离、重启自动补发。
curl -fsSL https://www.dshhub.co/install.sh -o dshhub-install.sh && bash dshhub-install.shAlready have DSH? Skip the wizard and install the market directly:dsh plugin --profile web add dshhub-market
This plugin installs only from the plugin side.