[Bug] invalid type of step curve

[xile611]

Version

no

Link to Minimal Reproduction

no

Steps to Reproduce

const spec = {
  type: 'line',
  data: {
    values: [
      {
        time: '2:00',
        value: 38
      },
      {
        time: '4:00',
        value: 56
      },
      {
        time: '6:00',
        value: 10
      },
      {
        time: '8:00',
        value: 70
      },
      {
        time: '10:00',
        value: null
      },
      {
        time: '12:00',
        value: 94
      },
      {
        time: '14:00',
        value: 24
      },
      {
        time: '16:00',
        value: 44
      },
      {
        time: '18:00',
        value: 36
      },
      {
        time: '20:00',
        value: 68
      },
      {
        time: '22:00',
        value: 22
      }
    ]
  },
  xField: 'time',
  yField: 'value',

  line: {
    style: {
      curveType: 'stepAfter'
    }
  },
  invalidType:'link'
};

const vchart = new VChart(spec, { dom: CONTAINER_ID });
vchart.renderSync();

// Just for the convenience of console debugging, DO NOT COPY!
window['vchart'] = vchart;

Current Behavior

Expected Behavior

Environment

- OS:
- Browser:
- Framework:

Any additional comments?

No response

[xile611]

• 67762f8e863ad000b1fc4051
• 67763e1dcc085c00b6a89111
• 67763e4a863ad000b1fc4052