预计什么时候能支持鸿蒙 nex系统呢，需要用dhc命令后工具。急急急！！！

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**To Reproduce**
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4. See error

**Expected behavior**
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**Screenshots**
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**python version:** `python3.5`

**airtest version:** `1.0.22`
> You can get airtest version via `pip freeze` command.

**Smartphone (please complete the following information):**
- Device: [e.g. google pixel 2]
- OS: [e.g. Android 8.1]
- more information if have

**Additional context**
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