The Xiaomi Home Assistant is a popular smart home system that integrates various devices to provide a seamless and automated living experience. However, some users have reported an error where the system fails to obtain login authorization information, also known as an OAuth token. This error can occur due to various reasons, including network connectivity issues, incorrect configuration, or problems with the Xiaomi Home Assistant server. In this article, we will explore the possible causes of this error and provide troubleshooting steps to resolve the issue. The error message '獲取登錄授權信息（OAuth token）失敗' indicates that the system is unable to obtain the necessary authorization to access the user's account. This can be caused by a number of factors, including incorrect username or password, network connectivity issues, or problems with the Xiaomi Home Assistant server. To troubleshoot this issue, users can try checking their network connection, ensuring that their username and password are correct, and resetting the Xiaomi Home Assistant configuration. If the issue persists, users can try contacting the Xiaomi Home Assistant support team for further assistance. The Xiaomi Home Assistant is a powerful tool for automating and controlling various smart devices in the home. However, like any complex system, it can be prone to errors and issues. By understanding the possible causes of the OAuth token error and following the troubleshooting steps outlined in this article, users can resolve the issue and enjoy a seamless and automated living experience. The Xiaomi Home Assistant is constantly evolving, with new features and updates being added regularly. As such, it is essential for users to stay up-to-date with the latest developments and updates to ensure that their system is running smoothly and efficiently. By doing so, users can take full advantage of the Xiaomi Home Assistant's capabilities and enjoy a more convenient and automated living experience. In conclusion, the OAuth token error is a common issue that can occur with the Xiaomi Home Assistant. However, by understanding the possible causes of the error and following the troubleshooting steps outlined in this article, users can resolve the issue and enjoy a seamless and automated living experience. The Xiaomi Home Assistant is a powerful tool for automating and controlling various smart devices in the home, and with the right knowledge and support, users can unlock its full potential and enjoy a more convenient and automated living experience.