In the study, at the same time taking into account the sequential substates and concurrent substates, conversion of sub-state through the state of the complex as a small class diagram using the same conversion method can be realized. 在研究中,同时也考虑了顺序子状态和并发子状态的转换情况,通过把复合状态看作一个小的类图而用同样的转换方法即可实现。