const projectFormStore = new MboxForm({
  username: yup.string().required(),
  password: yup.string().required().min(6).max(20),
  bankNumber: yup.custom(value => {
    return new Reg()
  })
})

projectFormStore.valid(): Promise
projectFormStore.models(): Object
projectFormStore.model('username'): mixed
projectFormStore.getFieldDecorator('username')(<Input placeholder="Find something." />)