A design of e-Learning environment is described for personalized adaptability. At first, we explain the whole system of our learning management system, WebClass RAPSODY, which has been developed to stand up to use by whole students in a university In this topic, there are two points, 1) infrastructure construction/maintenance in university, 2) improvement of LMS to use it for official lecture of university. Then, new developing function is explained including unit for learning mode to monitor and analyze learner?s learning status and unit for contents to search and analyze content?s status. After learning a content, this system indicates next suitable content, with data mining of learner?s status and content?s status by genetic algorithm (GA). This function could support learner to sustain e-learning with well-understanding of contents and highly-motivation to learning.