## Introduction to Xiaomi Home Assistant
The Xiaomi Home Assistant is a smart home system that integrates various Xiaomi devices, including the Xiaomi Human Body Sensor 2. However, users may encounter issues with the sensor's values not updating in the Home Assistant interface.

## Troubleshooting Steps
To resolve the issue, follow these steps:
1. **Check the logs**: Verify the Home Assistant logs for any error messages related to the Xiaomi Human Body Sensor 2. The logs can provide valuable information about the issue, such as the error message `[31m2025-10-17 17:31:03.698 ERROR (MainThread) [custom_components.xiaomi_home.miot.miot_client] on prop msg error, {'did': 'blt.3.1mtp96vnk4s00', 'siid': 2, 'piid': 2, 'value': '0'}, type str doesn't define __round__ method[0m`.
2. **Reproduce the issue**: Try to reproduce the issue by entering the Home Assistant interface and viewing the entities under the Xiaomi Human Body Sensor 2.
3. **Expected behavior**: The expected behavior is to display the correct values for the sensor.
4. **Reproduce time**: The issue can be reproduced on 2025-10-17.
5. **Home Assistant logs**: The Home Assistant logs can be found at .
6. **Log timezone**: The log timezone is Asia/Shanghai.
7. **Home Assistant Core Version**: The Home Assistant Core Version is 2025.10.2.
8. **Home Assistant Operation System Version**: The Home Assistant Operation System Version is 16.2.
9. **Xiaomi Home Integration Version**: The Xiaomi Home Integration Version is v0.4.3.

## Additional Context
If you are able to provide the steps to fix the issue, you are welcome to contribute code.

## Conclusion
In conclusion, the Xiaomi Home Assistant is a powerful smart home system that can integrate various Xiaomi devices. However, issues may arise, and troubleshooting steps can help resolve these issues. By following the steps outlined in this guide, users can identify and potentially fix the problem with the Xiaomi Human Body Sensor 2 not updating its values in the Home Assistant interface.