The Xiaomi Home Assistant is a cutting-edge smart home system designed to integrate seamlessly with various devices, providing users with a convenient and automated living experience. However, some users have encountered an authentication failure issue after attempting to reconfigure their account settings. This article delves into the specifics of the problem, the steps to reproduce it, and the expected outcome. We will also examine the system logs to identify potential causes and propose solutions to resolve this issue. The problem description, reproduction steps, and expected behavior are crucial in understanding the nature of the authentication failure. By analyzing the system logs and considering the integration version, core version, and operation system version, we can pinpoint the root cause of the issue and provide a tailored solution. The Xiaomi Home Assistant is an innovative product that has revolutionized the way we interact with our living spaces, and resolving this authentication issue is essential to ensuring a seamless user experience. In conclusion, this article aims to provide a detailed analysis of the authentication failure issue in the Xiaomi Home Assistant, exploring the possible causes and offering recommendations for resolving the problem. By doing so, we can enhance the overall performance and functionality of the system, allowing users to enjoy the full benefits of their smart home setup.