#346 #350：nacos 2 nacos 同步关闭后心跳没有停止问题 ,nacos-sync删除目标节点问题

[dragonTalon]

关于nacos心跳问题修复没有不关闭

[CLAassistant]

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2 out of 4 committers have signed the CLA.

:white_check_mark: paderlol
:white_check_mark: dragonTalon
:x: Oliverwqcwrw
:x: ijustyce
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[dragonTalon]

fix： 1、注册时根据中心化逻辑判断同步，但是删除时逻辑不一致问题 2、如果停止同步nameservice为空问题

[paderlol]

感谢你发现问题, 并帮忙解决问题, 这里确实存在引用副本的问题