## Introduction to Xiaomi Home Assistant
The Xiaomi Home Assistant is a smart home system that integrates various devices to provide a seamless and automated living experience. However, like any other technology, it can encounter bugs and issues. This article aims to discuss a specific bug report related to the Xiaomi Home Assistant and provide a structured approach to understanding and potentially resolving the issue.
## Bug Report Description
The bug report describes an issue where the entity states in the Xiaomi Home Assistant do not update automatically. Specifically, when a user changes a switch status or presses a button entity, an error message is displayed. The error logs are provided, indicating an `MIoTClientError` with the message "执行错误, Event不存在" (Execution error, Event does not exist).
## Steps to Reproduce the Bug
To reproduce the bug, the user follows these steps:
1. Connect the Yunjing J6 to the Mi Home app.
2. Use the xiao_home integration in Home Assistant.
3. Change the generated entity state.
## Expected Behavior
The expected behavior is that all entities should automatically update to reflect the latest device status.
## Reproduce Time and Log Timezone
The issue was reproduced on 2025-12-16 08:28:47.112, and the log timezone is Asia/Shanghai.
## Home Assistant and Integration Versions
The Home Assistant Core version is 2025.12.3, the Home Assistant Operation System version is 16.3, and the Xiaomi Home Integration version is v0.4.5.
## Error Logs
The error logs indicate a problem with the `set_property_async` method in the `miot_device.py` file. The specific error message is `MIoTClientError: 执行错误, Event不存在`, which translates to "Execution error, Event does not exist".
## Potential Solution
To solve this issue, it is essential to investigate the `miot_device.py` file and the `set_property_async` method. The error message suggests that the event does not exist, which could be related to the device's properties or the integration's configuration. Checking the device's documentation and the integration's settings may provide more insights into resolving the issue.
## Conclusion
The Xiaomi Home Assistant bug report highlights an issue with entity state updates and error messages when changing switch statuses or pressing button entities. By following the steps to reproduce the bug, analyzing the error logs, and understanding the expected behavior, users and developers can work together to resolve the issue and improve the overall performance of the Xiaomi Home Assistant.