Worked on the apache/dubbo repository to enhance the reliability of the ExtensionLoader component by addressing a critical bug in wrapper initialization. Focused on stabilizing the extension loading pathway, the developer corrected the order of wrapper instantiation and ensured proper post-initialization processing before returning objects. This Java-based solution improved startup reliability and reduced errors related to premature wrapper usage, directly impacting the correctness of extension loading. Leveraging skills in API development and software engineering, the work was delivered as part of a targeted maintenance cycle, with clear commit traceability and alignment to the core mechanisms of the Dubbo framework.