删除某worker的某镜像
先确定已经给tunasynctl写好config文件：~/.config/tunasync/ctl.conf
manager_addr = "127.0.0.1"
manager_port = 12345
ca_cert = ""
接着
$ tunasynctl disable -w [worker_id] [mirror_name]
$ tunasynctl flush
热重载worker.conf
$ tunasynctl reload -w [worker_id]
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e.g. 删除test_worker的elvish镜像：
1. 删除存放镜像的文件夹
1. 删除worker.conf中对应的mirror段落
1. 接着操作：
$ tunasynctl reload -w test_worker
$ tunasynctl disable -w test_worker elvish
$ tunasynctl flush
1. （可选）最后删除日志文件夹里的日志
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删除worker
$ tunasynctl rm-worker -w [worker_id]
e.g. $ tunasynctl rm-worker -w test_worker