Worked on enhancing sub-workflow parameter inheritance in the apache/dolphinscheduler repository by enabling global parameters and variable pools from parent workflow instances to be included in sub-workflow trigger requests. This feature improved execution context and flexibility for complex workflow orchestrations by ensuring seamless parameter propagation between parent and child workflows. The implementation involved modifying Java and YAML configurations within the Spring Framework, with a focus on integration and unit testing to ensure reliability. These changes addressed gaps in parameter handling, reduced runtime failures due to missing inputs, and improved maintainability and traceability of workflow executions across related issues and pull requests.