阿里云服务器问题
https://ecs-workbench.aliyun.com/?from=ecs&instanceType=ecs®ionId=cn-wulanchabu&instanceId=i-0jlhrsl9ftgy0hjy2oou&resourceGroupId=&language=zh-CN
/tmp/source terminate called after throwing an instance of 'sqr::CExp' what(): mysql_real_query failed with error:The client was disconnected by the server because of inactivity. See wait_timeout and interactive_timeout for configuring this behavior. start serv on 0.0.0.0:9100 suc