startAtStep does not work about react-stepzilla HOT 4 CLOSED

render() {
    const steps =
    [
      {name: 'Step1', component: <Step1 getStore={() => (this.getStore())} updateStore={(u) => {this.updateStore(u)}} />},
      {name: 'Step2', component: <Step2 getStore={() => (this.getStore())} updateStore={(u) => {this.updateStore(u)}} />},
      {name: 'Step3', component: <Step3 getStore={() => (this.getStore())} updateStore={(u) => {this.updateStore(u)}} />},
      {name: 'step4', component: <Step4 getStore={() => (this.getStore())} updateStore={(u) => {this.updateStore(u)}} />},
      {name: 'Step5', component: <Step5 getStore={() => (this.getStore())} updateStore={(u) => {this.updateStore(u)}} />},
      {name: 'Step6', component: <Step6 getStore={() => (this.getStore())} updateStore={(u) => {this.updateStore(u)}} />}
    ]

    return (
      <div className='example'>
        <div className='step-progress'>
          <StepZilla
            steps={steps}
            preventEnterSubmission={true}
            nextTextOnFinalActionStep={"Save"}
            hocValidationAppliedTo={[3]}
            startAtStep={2}
           />
        </div>
      </div>
    )
  }