The Xiaomi Home Assistant has been a popular choice for smart home automation, offering a wide range of features and integrations. However, like any complex system, it can be prone to errors and bugs. Recently, a bug was reported in the custom integration of the Xiaomi Home Assistant, specifically in the `miot_device.py` file. This bug, which occurs when the `get_prop_value` function encounters a `None` property, can cause disruptions to the normal functioning of the system. In this article, we will delve into the details of this bug, explore its causes, and discuss potential solutions and enhancements to the Xiaomi Home Assistant. We will also examine the current state of the system, including the Home Assistant Core version, Operation System version, and Xiaomi Home Integration version, to provide a comprehensive understanding of the issue and its potential impact. Furthermore, we will investigate the log timezone and the additional context provided to gain a deeper insight into the problem. By analyzing this bug and the underlying system, we aim to provide a structured approach to troubleshooting and enhancing the Xiaomi Home Assistant, ultimately improving its performance, reliability, and user experience. The log messages, such as `get_prop_value error, property is None, 热水器, water_heater.zimi_cn_829940161_h03_s_2`, will be examined in detail to identify the root cause of the issue and develop effective solutions. Moreover, we will explore the possibilities of integrating new features and technologies to further enhance the capabilities of the Xiaomi Home Assistant, ensuring it remains a cutting-edge solution for smart home automation.