• Developed an advertising management system based on Spring Cloud for more accurate advertising delivery. • Applied Netflix Eureka and Zuul for service registration and service gateway. • Designed a unified response format and global exception handler to facilitate debug and reduce coupling in exceptions. • Implemented the features of ads public and retrieval with Spring MVC. • Developed advertisement index service to speed up retrieval in 100ms and filter by content and location strategies. • Utilized Feign to call microservices and Hystrix dashboard for monitoring the fuse. • Performed application interface tests of public and retrieval features to ensure that the system works consistently.