我尝试在 juju bootstrap 之后安装 juju sync-tools 但是出现此错误：
wss://10.10.10.103:17070/environment/bdf80612-e98c-468a-8c99-88441c178193/api", will retry: websocket.Dial wss://10.10.10.103:17070/environment/bdf80612-e98c-468a-8c99-88441c178193/api: dial tcp 10.10.10.103:17070: connection refused