The Xiaomi Home Assistant is a cutting-edge smart home system designed to integrate and control various smart devices seamlessly. However, like any complex technology, it can sometimes encounter issues. This article delves into a specific problem encountered by a user after updating to version 0.2.0, where the Dooya smart curtain could no longer be controlled, resulting in an error message indicating that the entity 'cover.dooya_cn_887399315_dt98_s_2' does not support the 'cover.close_cover' action. To address this, we'll explore steps to reproduce the issue, expected behavior, and potential solutions, ensuring that users can troubleshoot and possibly resolve similar problems with their Xiaomi Home Assistant.