The Xiaomi Home Assistant is a smart home system that integrates various devices to provide a seamless and convenient living experience. However, users may encounter issues with the system, such as incorrect voltage units, missing current and power consumption units, and unclear displays. To troubleshoot these problems, it is essential to follow a systematic approach and provide detailed information about the issue, including screenshots, logs, and system versions. In this article, we will discuss the common issues faced by Xiaomi Home Assistant users, the steps to reproduce the problems, and the expected behavior of the system. We will also provide guidance on how to optimize the system and resolve issues related to voltage units, current, and power consumption displays. By following the troubleshooting steps and optimization techniques outlined in this article, users can improve the performance and reliability of their Xiaomi Home Assistant system and enjoy a more comfortable and convenient smart home experience.