This paper introduces the application server EBAS (EB Application Server) and makes an analysis of the shortcomings of its existence. Then, it designs a module of distributing the message components accordingly, to achieve distribution and load sharing of messages. It expounds the structure of news distribution and the processing logic, including the message distribution components interaction with external entities, the rules to safeguard the state guidelines for external entities and the strategy to distinguish restart from reconnect of external entities. EBAS with message distribution component is more reliable, supportive of online non-destructive upgrade and more suitable for the service model with large capacity and high concurrency.