Please answer some questions before submitting your issue. Thanks!

### Which version of XXL-JOB do you using?

### Expected behavior

### Actual behavior

### Steps to reproduce the behavior

### Other information
旧服务下线的一段时间内，还是有任务会执行到这个机器节点上，有没有什么办法在新服务(和旧服务ip不通)上线的时候直接剔除旧的节点呢
This is a GitHub Issue
repo:xxl-job
owner:xuxueli
Title : 旧服务下线的一段时间内，还是有任务会执行到这个机器节点上，有没有什么办法在新服务(和旧服务ip不通)上线的时候直接剔除旧的节点呢
Issue date:

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Please answer some questions before submitting your issue. Thanks!

### Which version of XXL-JOB do you using?

### Expected behavior

### Actual behavior

### Steps to reproduce the behavior

### Other information
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