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请问下从机被主机连接上之后怎么主动申请断开连接，我故意用死循环做发现是可以自动断开连接的（应该是一段时间主机收不到连接的信号），但是断开之后想通过判断断开连接的方式退出死循环发现退不出来。。。用没有更好的办法使从机自动申请断开连接的？？谢谢啦！
