During June 2025, 00278960@zte.com.cn developed an automated password policy binding feature for user lifecycle management in the ApsaraDB/PolarDB-for-PostgreSQL repository. The work focused on backend development using C, with an emphasis on database management and security. By implementing backend hooks and management layer functions, the developer ensured that new users are automatically associated with the default password policy upon creation and that this association is cleared when users are deleted. This approach streamlined security governance and reduced manual administrative tasks. The feature was delivered as a dedicated commit, reflecting a focused and well-scoped engineering contribution within the project.