I. Introduction
Nowadays, the research on the customization for SaaS personalized business is still based on pre-analysis, which means personalized business customization is realized by changeable elements analysis and then customize these configurations. Because the changes of business are unpredictable and these problems are very difficult to deal with this method. Therefore, these changeable elements should be reanalyzed and remodeled according to the new business requirements. As a result, the complexity of development is increased and the development efficiency is decreased.