[BUG] <Resume notification re-sending>

[PollosD]

Is there an existing issue for this?

• [X] I have searched the existing issues

Current Behavior

告警通知恢复时，正常来说一个告警对应一个恢复通知，但是更新最新版本以后发现一个告警恢复会重复发送三四条恢复通知

Expected Behavior

No response

Steps To Reproduce

No response

Environment

HertzBeat version(s):1.6

Debug logs

No response

Anything else?