There are many internal heterogeneous work processes in the enterprise.Most of them have some versatility

but there is no uniform way to design or manage them.We are eager to have a versatile workflow tool which can share resources and adapt to heterogeneous workflow.Considering the characteristics of the project as well as the needs of enterprises

we propose a Web-based extendable workflow model.And we also analyze and explain the new model with examples of the system structure and function.